APPLICATION FOR REGISTRATION OF PHARMACEUTICAL PRODUCT Islamic Republic of Afghanistan Ministry of Public Health General Directorate of Pharmaceutical Affairs Registration and License Issuing Department ATORVASTATIN TABLETS IP 10 mg ATORMICK-10 TABLETS Submitted by: Niramaya Pharmaceuticals (P) Ltd. Village Juddi Khurd Barotiwala Road, Baddi, Distt. Solan, Himachal Pradesh, INDIA Tel: + Website: E-mail: -1- INDEX SECTION NO. 1 DESCRIPTION Description of the Finished Pharmaceutical Product ➢Physical characteristic of the product 2 Formulation ➢ Complete formula of the product in a table 3 4 ➢ Information on development studies for the product ➢ Literature information for the product 11 In-Vitro Dissolution or Drug Release 29 29 Sites of Manufacture-Finished Product ➢ Manufacturer name, address and responsibility 6 7 8 10 10 11 11 Pharmaceutical Development ➢ In-vitro dissolution study results 5 PAGE NO. 09 09 30 30 Detailed Description and Validation of the Manufacturing Procedure for the Finished Product 31 ➢ Detail description of the manufacturing procedure 31 ➢ Controls of critical steps 37 ➢ Description of the manufacturing process 38 ➢ Process validation data (manufacturing process, validation protocol, and manufacturing process validation report) Specification for Excipients 45 ➢ List of tests and limits for result of excipient 57 57 ➢ Test methods 69 Control of the Finished Pharmaceutical Products 1. Specifications for the Finished Pharmaceutical Product ➢ Copy of the FPP specification 99 99 99 ➢List of tests and limits for result of the FPP 99 2. Analytical Procedures 100 100 ➢ Analytical test procedure and methods ➢ Required for non-compendial method 105 105 4. Batch Analysis 106 3. Validation of Analytical Procedures -2- 9 ➢ Result of the analysis of three batches 106 ➢ Copies of the certificates of analysis for these batches Container Closure System(s) and Other Packaging 106 ➢ Description of the suitability of the container closure System ➢ Description of container closure system 10 107 107 107 ➢ Primary packaging components specification and test methods 114 122 Stability Testing of the Finished Product 122 ➢ Stability studies report ➢ Methodology of stability studies 122 ➢ A tabulated summary of stability results should be provided. Other data, if any 124 ➢Summary of Product Characteristics 133 133 13 ➢Published Reports on Clinical Trials 157 14 ➢Toxicity data 184 11 12 -3- 1. Application Number: (For GDPA use only) 2. Applicant Company Particulars 1. Name of Company (in block letters) 2. Business Registration Number 3. Company Address and Contact Information INDIA 1. Country 2. Province Himachal Pardesh 3. City Baddi 4. Mailing Address Village Juddi Khurd Barotiwala Road, Baddi, Distt. Solan, Niramaya Pharmaceutical (P) Ltd. Village Juddi Khurd Barotiwala Road, Baddi, Distt. Solan 2.3.6. Fax Number 2.3.7. Official EMail Address 2.3.8. Telephone Number 2.3.9. Company Website 5. Postal Code Note: a. Please enclose a copy of the Letter of Authorization from the Manufacturer (attached this letter as attachment A) b. Please attach a copy of the Business Registration Certificate of the applicant company( attach the registration certificate as attachment B) 3. Applicant Particulars (Person authorized to submit and manage the application on behalf of the company) 1. First Name 2. Family Name -4- 3. Designation 4. ID card or Passport Number 5. Official Email Address 6. Telephone Number 7. Fax Number 8. Applicant’s Address 1. Country 2. Province 3. City 3.8.4. Address line -1 3.8.5. Address line -1 3.8.6. Address line -1 4. Product Details 1. Generic Name 2. Proprietary/Brand Name 3. Dosage Form 4. Physical Description of the Atorvastatin Tablets Atormick-10 Tablets White coloured, round shaped, biconvex,film coated tablet plain on both side 5. Product Formula (if space is not sufficient, please use a separate piece of A4 paper): 4.5.1 Component 4.5.2 4.5.3 Strength 4.5.4 Quality and Function standards (e.g. quality standard USP, Quant. % (and BP, EP ,IP , per grade, if applicable) in-house) unit or per mL <complete with appropriate title e.g. Core tablet, Contents of capsule, Powder for injection> attached Sub total 1 <complete with appropriate title e.g. Film-coating > attached -5- Sub total 2 Total Note: Please describe the roles of excipients in the respective column indicated as follows: F – Flavoring, C – Colorant, P – Preservatives, S – Stabilizers C10AA05 6. Therapeutic Classification (WHO ATC Code for the proposed indication[s]) Oral 7. Rout of Administration. 8. Indications (attach information on the indication[s] as attachment C) 9. Recommended Dosage (attach information on the recommended dosage as attachment D) 10.Proposed Shelf Life 1. Packing, shelf life and storage condition 4.10.1.1. 4.10.1.2. 4.10.1.3. 4.10.1.4. 4.10.1.5. Container Quantity per Shelf Storage Pack Closer Container Life Conditions Size System Alu-Alu Strip 10 x 10 2 years Below 30°c 10 x 10 2. Other shelf life information N/A 1. Proposed shelf life after first opening (hours/day/months) N/A 2. Proposed shelf life after reconstitution (hours/day/months) 4.11. Forensic Classification in Afghanistan 4.11.1. Prescription Only (PO) 2. Over the Counter (OTC) 12. Regulatory Situation in the Country of Origin & in Other Countries (provide information, as appropriate) List countries where the product is: 4.12.1. 4.12.2. 4.12.3. 4.12.4. Date Country Approved Registration (dd/mm/yyyy) Forensic Status Classification of the Product Prescription Authorized Only Rejected Pending Over the Withdrawn Counter (OTC) -6- Prescription Only Over the Counter (OTC) Prescription Only Authorized Rejected Pending Withdrawn Authorized Rejected Pending Withdrawn Over the Counter (OTC) Note: Please enclose one certified copy of the Product License issued by the relevant authority (attached the certiBicate as attachment E) 13. Proposed Price of the Product: 1. Wholesale Price (US Dollar) 2. Retail Price (US Dollar) 5. Manufacturer’s Particulars 1. Active Substance Manufacturer 5.1.1. Name of 5.1.2 Name of Active Manufacturer Substance Atorvastatin Sigma 1. 5.1.3 Site Address Country 5.1.4 Office Address 5.2.3 Site Address Country 5.2.4 Office Address Calcium 2. 3. 2. Excipient Manufacturer 5.2.1. Name of 5.2.2 Name of Excipient Manufacturer 1. 2. 3. 3. Finished Pharmaceutical Product Manufacturer 5.3.1 Name of Manufacturer Country 5.3.3 Site 5.3.4 Office Address Address Niramaya Village Juddi 1. Pharmaceutical (P) Ltd. Khurd Barotiwala Road, Baddi, Distt. Solan, -7- 6. Certification by a Responsible Person in the Applicant Company On behalf of [ ], I hereby declare that: 1.All of the information in this application is true. 2.Information in all of the annexes attached to this application is true and complete. All available data, reports, and information relevant to the benefit/risk assessment of the product have been provided. 3.[ ] agree to abide by the Afghanistan Medicines Law and Manufacturing and Importing Medicine and Medical Appliances Regulation. 4.[ ] agree to notify the General Directorate of Pharmaceutical Affairs, Ministry of Public Heath, of any change in the information submitted in this application and of any new safety information during the course of the evaluation of this application and as long as the product remains on the market. 5.[ ] confirms that it has a standard operating procedure for handling adverse reaction reports for its products. 6.[ ] confirms that it has a standard operating procedure for handling batch recalls of its products. I understand that any false statement is an offence under the laws of Afghanistan and that all documents submitted for evaluation will not be returned. Submitted by: Name (in block letters): Position in the Applicant Company (in block letters): Date: Signature: Company Stamp Received by (GDPA): Name (in block letters): Position (in block letters): Date: Signature: Note: all pages of the application form must be signed and stamped. -8- 1. Description of the Finished Pharmaceutical Product ➢Physical characteristic of the product Product Name : ATORMICK-10 TABLETS Generic Name : Atorvastatin Tablet IP Composition : Each Film Coated Tablet Contains: Atorvastatin calcium IP Equivalent to Atorvastatin 10 mg Colour: Titanium dioxide IP Shelf Life : 2 years Packing : Alu-Alu Batch Size : 100000 tablets Description : White coloured, round shaped, biconvex, film coated tablet plain on both side Identification : Positive for Atorvastatin Average Weight : Uncoated 175 mg ± 7.5%, Coated 181 mg ± 7.5% Dissolution : Not less than 75% of the stated amount Assay : 90.0 to 110.0% of the stated amount. Storage : Store below 30°C. Protect from light. -9- 2. Formulation ➢ Complete formula of the product in a table Each Film Coated Tablet Contains: Atorvastatin calcium IP Equivalent to Atorvastatin 10 mg Colour: Titanium dioxide IP Batch size : 100000 Tablets. List of all required Ingredients, active and inactive with its specification and exact quantities as per unit dose: Ingredient Specification Qty /Tablet Overage Qty./Batch Active Ingredient Atorvastatin calcium I.P. 11.10 mg = 10.0 mg Atorvasta tin -- 1.110 kg I.P. I.P. 30.00 mg 122.0 mg --- I.P. I.P. I.P. -5.0 mg 5.0 mg ------- 10.00 liters 0.500 kg 0.500 kg 2.0 mg --- 0.200 kg Inactive Ingredient Maize Starch Microcrystalline cellulose Purified Water Purified Talc Sodium Starch Glycollate Colloidal Anhydrous Silica Film Coating Titanium Dioxide Hydoxypropyl methylcellulose Povidone Methylene Chloride Isopropyl alcohol I.P. 3.00 kg 12.20 kg I.P. I.P. 1.0 mg 4.0 mg 0.100 kg 0.400 kg I.P. B.P. I.P. 1.0 mg --- 0.100 kg 4.0 liters 7.0 liters - 10 - 3. Pharmaceutical Development ➢ Information on development studies for the product ➢ Literature information for the product Systematic approach: A Systematic approach to Atorvastatin Tablet design and product development activities were sub divided in to literature search, formulation development and process development. The various studies carried out during these phases were given below. Literature search: Preliminary activities in a drug product development project started with a comprehensive review of authoritative reference books on the pharmaceutical and analytical parameters and attributes of the chosen drug. Reference books, the current British pharmacopoeia, United States Pharmacopoeia, Physician’s Desk Reference, Martindale and Merck Index were thoroughly reviewed on physical and chemical properties of the active ingredient and its potential formulations. An extensive internet online search relating to drug and the drug product was done. - 11 - Components of the Drug Product Drug Substance Active ingredient: Atorvastatin calcium Synonym: Atorvastatin Chemical name: [R-(R*, R*)]-2-(4-fluorophenyl)-β, δ -dihydroxy-5- (1-methylethyl)-3-phenyl4-[(phenylamino) carbonyl]-1H-pyrrole-1-heptanoic acid, calcium salt (2:1) trihydrate Molecular formula: (C33H34 FN2O5)2Ca•3H2O Molecular weight: 1155.36 Molecular structure: Physical properties: A white to off-white, crystalline powder Biological properties: Lipid modifying agents, HMG-CoA-reductase inhibitors, - 12 - Compatibility of Drug Substance for Combination Products None Compatibility of Drug Substance with Excipients The excipients used in the tablet manufacture are Starch, Micro Crystalline Cellulose, Purified talc, Sodium Starch Glycollate, Aerosil (Colloidal anhydrous silica), Hydoxypropyl methylcellulose, Povidone, Titanium Dioxide, Isopropyl Alcohal and Methylene Chloride It could be observed that the excipients- Starch, Micro Crystalline Cellulose, Purified talc, Sodium Starch Glycollate, Aerosil (Colloidal anhydrous silica), Hydoxypropyl methylcellulose, Povidone, Titanium Dioxide, Isopropyl Alcohal and Methylene Chloride are used in the Applicant’s formulation were present in the reference product as well. Further, stability data provided in the dossier also supports that there is no incompatibility of active ingredient in the presence of the above listed excipient. Selection of Excipients Based on the Physical and chemical properties of the drug and the experience gained during the development of the drug products, Excipients those found to be compatible are used in the formulation. Formulation contains Starch, Micro Crystalline Cellulose, Purified talc, Sodium Starch Glycollate, Aerosil (Colloidal anhydrous silica), Hydoxypropyl methylcellulose, Povidone, Titanium Dioxide, Isopropyl Alcohal and Methylene Chloride as excipients Excipients used are Pharmacopoeial, mainly complying with the Indian/British Pharmacopoeia. Quality Characteristics of the Excipients have been discussed below. Starch: Starch is used in the formulation as a binder Micro Crystalline Cellulose Powder: Micro Crystalline Cellulose Powder is used in the formulation as a diluent Purified Talc: Purified Talc is used in the formulation as a lubricant - 13 - Sodium Starch Glycollate: Sodium Starch Glycollate is used in the formulation as a disintegrant Aerosil (Colloidal anhydrous silica): Aerosil (Colloidal anhydrous silica)is used in the formulation as a glidant Hydoxypropyl methylcellulose: Hydoxypropyl methylcellulose is used in the formulation as a film coating material Povidone: Povidone is used in the formulation as a film coating material Titanium Dioxide: Titanium Dioxide is used in the formulation as a colour Isopropyl Alcohol: Isopropyl Alcohol is used in the formulation as a solvent for film coating material Methylene Chloride: Methylene Chloride is used in the formulation as a solvent for film coating material Optimization of excipients The aim of the formulation development was to develop a formulation of Atorvastatin Tablet containing Atorvastatin The excipients – Starch, Micro Crystalline Cellulose, Purified talc, Sodium Starch Glycollate, Aerosil (Colloidal anhydrous silica), Hydoxypropyl methylcellulose, Povidone, Titanium Dioxide, Isopropyl Alcohal and Methylene Chloride were optimized in such a way that the resulting tablet have similar specification comparable to that of reference product, besides being stable with respect to assay content. Drug Product Formulation Development Summary of development of drug product The aim was to develop a robust generic formulation of Atorvastatin Tablet that is comparable to the reference product. The finished product should demonstrate similar characteristics compare to reference product. Overages No overages were added - 14 - Physiochemical and Biological Properties Physiochemical Properties Product Name : ATORMICK-10 TABLETS Generic Name : Atorvastatin Tablet IP Composition : Each Film Coated Tablet Contains: Atorvastatin calcium IP Equivalent to Atorvastatin 10 mg Colour: Titanium dioxide IP Shelf Life : 2 years Packing : Alu-Alu Batch Size : 100000 tablets Description : White coloured, round shaped, biconvex, film coated tablet plain on both side Identification : Positive for Atorvastatin Average Weight : Uncoated 175 mg ± 7.5%, Coated 181 mg ± 7.5% Dissolution : Not less than 75% of the stated amount Assay : 90.0 to 110.0% of the stated amount. Storage : Store below 30°C. Protect from light. - 15 - Manufacturing Process Development 175 mg granular powder containing active and inactive ingredients are compressed as round, biconvex tablet using tablet compression machine. Selection of manufacturing process The Main Steps of the Manufacturing Process are as below 1. Sifting 2. Dry Mix 3. Preparation of Starch Paste 4. Wet Granulation 5. Wet Screening 6. Drying 7. Dry Screening milling 8. Lubrication 9. Sampling 10. Machine Release 11. Compression 12. In- Process Check 13. Sampling of compressed Tablets 14. Visual Inspection 15. Preparation of coationg 16. Coating 17. Packaging Laboratory experimental trials were carried over to select the suitable formula and process for in order to meet the tentative specifications mentioned above and the summary of trials with flow diagram are given in the following pages with details of final formulation & manufacturing process. - 16 - Container Closure System Suitability for the Intended Use Every proposed packaging system should be shown to be suitable for its intended use: it should adequately protect the dosage form; it should be compatible with the dosage form; and it should be composed of materials that are considered safe for use with the dosage form and the route of administration. If the packaging system has a performance feature in addition to containing the product, the assembled container closure system should be shown to function properly. General issues concerning protection, compatibility, safety and performance of packaging components and/or systems are discussed below. In this guidance, component functionality and drug delivery will also be addressed in connection with specific dosage forms and routes of administration. Table 1 Examples of packaging Concerns for Common Classes of Drug Products Degree of Concern Associated with the Route of Administration Likelihood of Packaging Component-Dosage Form Interaction Highest Inhalation Aerosols and Solutions; Injections and Injectable Suspensionsa High Ophthalmic Solutions and High Medium Sterile Powders and Powders for Injection; Inhalation Powders - 17 - Low Suspensions; Transdermal Ointments and Patches; Nasal Aerosols and Sprays Low Topical Solutions and Suspensions; Topical and Lingual Aerosols; Oral Solutions and Suspensions Topical Powders; Oral powders Oral Tablets and Oral (Hard and Soft Gelatin) Capsules a For the purposes of this table, the term sterile powder for injection is used mean a after constituting with Sterile water for injection or any other suitable diluents it can be administered in the pharmaceutical sense. A) Protection Container closure system should provide the dosage form with adequate protection from factors (e.g., temperature, light) that can cause degradation in the quality of that dosage form over its shelf life. Common causes of such degradation are: exposure to light, loss of solvent, exposure to reactive gases (e.g., oxygen), absorption of water vapor, and microbial contamination. A drug product can also suffer an unacceptable loss in quality if it is contaminated by filth. Atorvastatin tablet is packed in Alu-Alu strip of aluminium foil to protect the quality of the dosage form. B) Compatibility Packaging components aluminium foil and Rigid PVC film does not interact sufficiently to cause unacceptable changes in the quality of the dosage form. Examples of interactions include loss of potency due to absorption or adsorption of the active drug substance, or degradation of the active drug substance induced by a chemical entity leached from a packaging component; reduction in the concentration of an excipient due to absorption, adsorption or leachable-induced degradation; precipitation; changes in drug product pH; - 18 - discoloration of either the dosage form or the packaging component; or increase in brittleness of the packaging component. Some interactions between a packaging component and dosage form will be detected during qualification studies on the container closure system and its components. Others may not show up except in the stability studies. Therefore, any change noted during a stability study that may be attributable to interaction between the dosage form and a packaging component should be investigated and appropriate action taken, regardless of whether the stability study is being conducted for an original application, a supplemental application, or as fulfillment of a commitment to conduct post approval stability studies. Atorvastatin tablet is packed in Alu-Alu strip of aluminium foil is checked for its stability during its shelf life. On the basis of Stability studies report the drug is found stable and does interacted with drug component. No potency loss & colour changes were observed during storage. C) Safety Packaging components should be constructed of materials that will not leach harmful or undesirable amounts of substances to which a patient will be exposed when being treated with the drug product. This consideration is especially important for those packaging components which may be in direct contact with the dosage form, but it is also applicable to any component from which substances may migrate into the dosage form (e.g., an ink or adhesive). Making the determination that a material of construction used in the manufacture of a packaging component is safe for its intended use is not a simple process, and a standardized approach has not been established. There is, however, a body of experience which supports the use of certain approaches that depend on the route of administration and the likelihood of interactions between the component and the dosage form (see Table 1). The approach for toxicological evaluation of the safety of extractables should be based on good scientific principles and take into account the specific container closure system, drug product formulation, dosage form, route of administration, and dose regimen (chronic or short-term dosing). For drug products that undergo clinical trials, the absence of adverse reactions traceable to the packaging components is considered supporting evidence of material safety. Based upon above conducted tests, Atorvastatin tablet is found to be safe and non toxic on storage in Alu-Alu packing - 19 - D) Performance Performance of the container closure system refers to its ability to function in the manner for which it was designed. A container closure system is often called upon to do more than simply contain the dosage form. When evaluating performance, two major considerations are container closure system functionality and drug delivery. Container Closure System Functionality The container closure system may be designed to improve patient compliance. Drug Delivery Drug delivery refers to the ability of the packaging system to deliver the dosage form in the amount or at the rate described in the package insert. Some examples of a packaging system for which drug delivery aspects are relevant are a prefilled syringe, a transdermal patch, a metered tube, a dropper or spray bottle, a dry powder inhaler, and a metered dose inhaler. Container closure system functionality and/or drug delivery are compromised when the packaging system fails to operate as designed. Failure can result from misuse, faulty design, manufacturing defect, improper assembly, or wear and tear during use. Tests and acceptance criteria regarding dosage form delivery and container closure system functionality should be appropriate to the particular dosage form, route of administration, and design features. E) Summary Table 2 summarizes typical packaging suitability considerations for common classes of drug products. Table 2 Typical Suitability Considerations for Common Classes of Drug Products (This table is a general guide, and is not comprehensive) Route of Administration/ Dosage Form Inhalation Aerosols and Solutions, Nasal Sprays SUITABILITYa Protection Compatibility L, S, M, W, G Case 1c - 20 - Safety Performance/Drug Delivery Case 1s Case 1d Inhalation Powders L, W, M Case 3 c case 5s Case 1d Injections, Injectable Suspensionsb L, S, M, G Case 1c Case 2s Case 2d Sterile Powders and Powders for Injection L, M, W Case 2c Case 2s Case 2d Ophthalmic Solutions and Suspensions L, S, M, G Case 1c Case 2s Case 2d Topical Delivery Systems L, S Case 1c Case 3s Case 1d Topical Solutions and Suspensions, and Topical and Lingual Aerosols L, S, M Case 1c Case 3s Case 2d Topical Powders L, M, W Case 3c Case 4s Case 3d Oral Solutions and Suspensions L, S, M Case 1c Case 3s Case 2d Oral Powders L, W Case 2c Case 3s Case 3d Oral Tablets and Oral (Hard and Soft Gelatin) Capsules L, W Case 3c Case 4s Case 3d * If there is a special performance function built into the drug product it is of importance for any dosage form/route of administration to show that the container closure system performs that function properly. Explanation of Codes in Table 2: Protection: L (protects from light, if appropriate) S (protects from solvent loss/leakage) M (protects sterile products or those with microbial limits from microbial contamination) W (protects from water vapor, if appropriate) G (protects from reactive gases, if appropriate) - 21 - Compatibility: Case 1c: Liquid-based dosage form that conceivably could interact with its container closure system components (see examples described in section III.B.1) Case 2c: Solid dosage form until reconstituted; greatest chance for interacting with its container closure system components occurs after it is reconstituted. Case 3c: Solid dosage form with low likelihood of interacting with its container closure system components. Safety: Case 1s: Typically provided are USP Biological Reactivity Test data, extraction/toxicological evaluation, limits on extractables, and batch-to-batch monitoring of extractables. Case 2s: Typically provided are USP Biological Reactivity Test data and possibly extraction/toxicological evaluation. Case 3s: Typically, an appropriate reference to the indirect food additive regulations is sufficient for drug products with aqueous-based solvents. Drug products with non-aqueous based solvent systems or aqueous based systems containing co-solvents generally require additional suitability information (see section III.F). Case 4s: Typically, an appropriate reference to the indirect food additive regulations is sufficient. Case 5s: Typically, an appropriate reference to the indirect food additive regulations for all components except the mouthpiece for which USP Biological Reactivity Test data is provided. Performance: Case 1d: Frequently a consideration Case 2d: May be a consideration Case 3d: Rarely a consideration Atorvastatin tablet is packed in Alu-Alu strip of aluminium foil. There was no interaction between Primary Packing material and drug product, which ensured the safety of aluminium foil and Rigid PVC film as primary packaging material. Both the Primary and Secondary Packaging materials are duly tested as per the following Specifications in Quality Control Laboratory & only those complying with the set In – House specifications are used. - 22 - Packaging material is routinely studied for Compatibility and Stability and the results have indicated that there is no interaction between Primary Packaging Material and the Drug Product. Final proposed formula Ingredient Specification Qty /Tablet Overage Qty./Batch Active Ingredient Atorvastatin calcium I.P. 11.10 mg = 10.0 mg Atorvasta tin -- 1.110 kg I.P. I.P. 30.00 mg 122.0 mg --- I.P. I.P. I.P. -5.0 mg 5.0 mg ------- 10.00 liters 0.500 kg 0.500 kg 2.0 mg --- 0.200 kg Inactive Ingredient Maize Starch Microcrystalline cellulose Purified Water Purified Talc Sodium Starch Glycollate Colloidal Anhydrous Silica Film Coating Titanium Dioxide Hydoxypropyl methylcellulose Povidone Methylene Chloride Isopropyl alcohol I.P. 3.00 kg 12.20 kg I.P. I.P. 1.0 mg 4.0 mg 0.100 kg 0.400 kg I.P. B.P. I.P. 1.0 mg --- 0.100 kg 4.0 liters 7.0 liters - 23 - Manufacturing Steps-Flow Chart PROCESS FLOW CHART: Actives & Diluents # 30, 16, 100 mesh Binder Paste Dry Mixing Granulation in RMG & Drying Oscillator & Multimill Sizing Blending Compression of Tablets Coating Packing - 24 - Sifted Excipients Manufacturing Methods S.No. Operation Procedure 1. Weight Checking Check the weight of all the ingredients and record in the flow - sheet of batch production record (BMR). 2. Sifting Pass all the raw materials through mechanical sifter mesh # 30, separately to avoid foreign materials if any. Mentioned in the dispensing sheet. 3. Preparation of Paste Measure 10.00 liters Purified water in SS container, add Maize Starch and stir well to make slurry & sift from 100 # SS sieve. 4. Dry mixing and granulation Load the sifted material In RMG and Dry mix the material for 10 minutes with Mixer at slow speed and keep the Chopper OFF. Charge the paste of above step slowly in RMG, with impeller at slow speed and chopper at OFF position. Continue the mixing with Mixer and Chopper at slow speed. Rack the material then continue the mixing. Mix with impeller and Chopper at fast speed for 5 minutes, till desired wet mass achieved. IF required add additional purified Water. Unload the wet mass in FBD bowl impeller and Chopper at slow speed. 5. Drying Air dries the wet mass for 10 minutes. Then continue the drying at Inlet temperature 70 to 80 °c till the outlet temperature reaches to 50 to 55°C. Check moisture content and if required continue drying till LOD not more than 1.5 to 2.5% w/w at 105°c. Record the observations in given table. Time taken for drying of each lot 45 minutes. 6. Sifting and Milling Sift the dried granules through 16# SS Sieve fitted to the sifter, collect the sifted granules in cleaned plastic container lined with polythene bag and affix proper status label. Mill the granules retained on sieve through 2.50 mm SS Screen fitted to the Multimill, collect the milled granules in cleaned plastic container lined with - 25 - polythene bag. Record the sifting and milling activity in given table. Check the weight of sifted and milled granules and record in BMR 7. Lubrication Transfer the sifted and milled granules of step F to the blending area. Transfer the sifted lubricants of step B to the blending area. Record the observation in given table Time of Lubrication -10 minutes Unload the lubricated granules in containers lined with double polythene bags. Check the weight of lubricated granules and record the observation in given table. Check the physical parameter of lubricated granules and record the observation in the BMR. 8. Sampling Store the weighed lubricated material in well closed containers lined with polyethylene and intimate the Quality Assurance Department to draw a sample for assay and moisture content determination. Determine the percentage yields of the granules. 9. Machine Release The tableting cabin must be free from left outs of the previous batch and incorporate machine release report in BMR. 10. : 27 Station / Rotary Compression Machine Fix the standard dies and punches set on the compression machine. Bring approved lubricated granules to the machine. Load the hopper of the compression machine with granules & adjust the tablet parameters detailed below for the compressed tablets. Weight of 20 tablets Average Weight D. T. : 3.50 gm : 175 mg : Not more than 15 minutes Friability : Not more than 1.00% Weight Variation : 7.5% Check the average weight, weight variation, hardness, friability & disintegration time as per standard - 26 - operating procedure for compression & record on the compression sheet. After the compress job is over, weigh the compressed tablets and record in the BMR and calculate yield 11. In- Process Check Intimate the Quality Assurance Department to check the average weight, weight variation, hardness, friability and disintegration time. Resume compression after obtaining the approval from in- process supervisor. Store the compressed tablets in polyethylene lined drum. 12. Sampling of compressed Tablets During the compression, intimate the Quality Assurance Department to draw the sample of compressed tablets for complete analysis. 13. Visual Inspection Send the tablets to the inspection table for inspection of tablets. 14. Preparation of coating suspension Charge the Methylene chloride in a S.S. Container. Add Hydoxypropyl methyl cellulose, Povidone and Titanium Dioxide stir well. Dilute this solution by Isopropyl alcohol stir well for 20 minutes, pass through colloid mill to form a uniform solution. 15. Coating Transfer the uncoated tablets to the coating area. Charge the uncoated tablets in the cleaned coating pan Set the coating pan RPM in between 2-8 RPM. Start the Inlet temperature, set the inlet temperature for 40 – 60 °C. Preheat the tablets using air temperature till the bed temperature reaches to 45- 55°C Fit the 1.8 mm nozzle to the spray gun. Add the coating solution to solution tank. 16. Packaging Batch is released for packing after getting approval from Quality Assurance Department. 17. Total No. of Record the total number of units packed in BMR. Units packed 18. Stability Test the tablet for stability every six months as per shelf life. - 27 - 19. Control Sample Original pack. Twice the quantity required for complete analysis for a period of additional six months to expiry. 20. Release for sale The release of product should be under the signature of Mfg. Chemist and it has to be countersigned by Analytical Chemist. Final conclusion: Based on the above experiments, the following are concluded: This process is finalized for the manufacturing process. - 28 - 4. In-Vitro Dissolution or Drug Release ➢ In-vitro dissolution study results Enclosed - 29 - 5. Sites of Manufacture-Finished Product ➢ Manufacturer name, address and responsibility Niramaya Pharmaceuticals (P) Ltd. Village Juddi Khurd Barotiwala Road, Baddi, Distt. Solan, Himachal Pradesh, INDIA - 30 - 6. Detailed Description and Validation of the Manufacturing Procedure for the Finished Product ➢ Detail description of the manufacturing procedure FLOW CHART FOR THE MANUFACTURING Actives & Diluents # 30, 16, 100 mesh Binder Paste Dry Mixing Granulation in RMG & Drying Oscillator & Multimill Sizing Blending Compression of Tablets Coating of Tablets Packing - 31 - Sifted Excipients EQUIPMENT USED IN MANUFACTURING Sr. No Department 1 Granulation Name of Machine / Equipment 30” S.S. Sifter 2 Granulation S.S. Multi mill 3 Granulation 4 Granulation 5 Granulation 6 Granulation 7 Compression 8 Compression Jacketed Steam Kettle Rapid Mixer Granulator- 160 Kg. Fluid Bed Dryer160 kg Octagonal Blender 320 kg Compression machine Dedusters 9 Compression Dust Extractor 10 Coating Auto coater 11 Packing Alu-Alu packing machine - 32 - Equip. I.D. No Cleaned as per SOP No. MG/PDP/SIF001 PDP/11 MG/PDP/MLM0 01 MG/PDP/PST00 1 MG/PDP/RMG0 01 PDP/27 MG/PDP/FBD00 1 MG/PDP/OGB00 1 PDP/24 MG/PDP/COM0 01 MG/PDP/DED00 1 MG/PDP/DUD00 1 MG/PDP/AUC00 1 MG/PDP/BLS00 1 PDP/31 PDP/23 PDP/21 PDP/26 PDP/32 PDP/33 PDP/34 PDP/47 Quality Control of Raw Material Check list for In-Process RAW MATERIAL STORE 1. The doors are closed of all stores (under Test, Approved, etc.) : Checked after each operation 2. To collect sample requisition slip from raw material store : Slip collected and duly filled. 3. Each and every room of store is sufficiently cleaned and free from environment for microbes : Check for cleanliness and environmental microbes 4. After collecting requisition slip : Lab. records duly maintained. inform immediately to the laboratory 5. Under Test sticker are there on container or not : Test striker checked. 6. Sample is done by stipulated plans : Performed 7. To ensure all containers received : Check for container condition and are in good condition and not damage replaced the damaged ones. and if it is immediately informed to Q.A. Manager and his decision is final 8. To ensure all containers bear proper : Container identification slip identification slips having all necessary checked details 9. In case all details are not there then : Availability of bills checked and Q.A. take from bills and in case still not manager informed. available then bring such matters in notice of Q.A. Manager 10. Open container with the help of : Check for temper proof packing. helper and confirm the inner packing are all intact. In case of tempering inform Q.A. Manager 11. Physically check all materials for any odour black particles etc. : The physical characteristics are duly taken care for any discrepancies. - 33 - 12. Sampling is done by completely mixing the material with the use of spoon etc. : Checked the spoon for any foreign matter 13. Sampling is done in self looked : Check the polythene bag polythene bags having all necessary details 14. After sampling the containers are not left open properly tied : Check for proper closure of container after use. 15. After material is approved /rejected : Performed accordingly. by Q.A. Manager and giving all details of A.R. numbers and date and stock approved sample or rejection one and transfer in respective room 16. Humidity is properly checked : Should not be more than 45% - 34 - MANUFACTURING PROCESS Cleaning Instructions Ensure the following before commencing the production: 1. The floor and ceilings of the area should be thoroughly cleaned and should not contain any foreign material attached to these. 2. All equipments are cleaned and washed thoroughly. No material of previously run material should stick to these. When machine is ready for use, approval should be obtained from the quality Assurance Department after checking the wash-water content. 3. The raw material required must be previously checked for labels and weight. 4. Proper temprature and humidity records should be maintained throughout the processing as per the instructions. 5. Equipments and containers should be labelled at each and every stage of manufacturing. Process Instructions 1. All processing should be carried out under the strict supervision of a Qualified Competent Staff. 2. Production personnel should wear gloves and masks before they enter the mixing area and while handling material. 3. Temperature and Relative Humidity (RH) should be recorded. - 35 - MANUFACTURING INSTRUCTIONS I. Good Manufacturing Practices: To ensure a quality production, all current manufacturing practices should be followed such as : 1. Area and Equipments 1. The area should be free from unwanted material as well as material from the last batch 2. The equipments to be used should be labelled for product batch no. and date o prior to use. 3. The equipments to be used must bear a “clear equipment’ tag and wash water analysis report releasing the equipment in case of product change over. II. Personnel 1. All personnel should be of good health and should practice good sanitation habits. 2. Persons engaged in the manufacture, processing, packing or holding of drug product should bear protective apperen such as head, face, hand and arm covering necessary to protect the product from contamination. III. Raw Material & Packing Material 1. All ingredients and packing material must be tested for conformance to written specifications. 2. Weight and volume of the ingredients should be checked by the authorised persons. IV Production and Process Control 1. Production record must be complete and accurate reflecting all the procedure and process adopted during production 2. Batch should be fabricated strictly as per the written procedure and any deviation in the process should be approved by Q.A. - 36 - ➢ Controls of critical steps IN-PROCESS PRODUCT SPECIFICATION STANDARD SPECIFICATIONS Sr. No. 1. 2. 3. 4. 5. 6. Tests Specification Description White coloured, round shaped, biconvex, uncoated tablet plain on both side Average weight of a tablet 175.0 mg Uniformity of weights 7.5 % of avg. wt of tablets Disintegration Time NMT 15 minutes. Identification Positive for Atorvastatin calcium Assay Each uncoated tablet contains Atorvastatin calcium (NLT 90.0% & NMT 110.0%) Equivalent to Atorvastatin 10 mg 9.0 mg to 11.0 mg STANDARD SPECIFICATIONS Sr. No. 1. 2. 3. 4. 5. 6. Tests Specification Description White coloured, round shaped, biconvex, film coated tablet plain on both side Average weight of a tablet 181.0 mg Uniformity of weights 7.5 % of avg. wt of tablets Disintegration Time NMT 30 minutes. Identification Positive for Atorvastatin calcium Assay Each film coated tablet contains Atorvastatin calcium (NLT 90.0% & NMT 110.0%) Equivalent to Atorvastatin 10 mg 9.0 mg to 11.0 mg - 37 - ➢ Description of the manufacturing process Manufacturing Methods S.No. Operation Procedure 1. Weight Checking Check the weight of all the ingredients and record in the flow - sheet of batch production record (BMR). 2. Sifting Pass all the raw materials through mechanical sifter mesh # 30, separately to avoid foreign materials if any. Mentioned in the dispensing sheet. 3. Preparation of Paste Measure 10.00 liters Purified water in SS container, add Maize Starch and stir well to make slurry & sift from 100 # SS sieve. 4. Dry mixing and granulation Load the sifted material In RMG and Dry mix the material for 10 minutes with Mixer at slow speed and keep the Chopper OFF. Charge the paste of above step slowly in RMG, with impeller at slow speed and chopper at OFF position. Continue the mixing with Mixer and Chopper at slow speed. Rack the material then continue the mixing. Mix with impeller and Chopper at fast speed for 5 minutes, till desired wet mass achieved. IF required add additional purified Water. Unload the wet mass in FBD bowl impeller and Chopper at slow speed. 5. Drying Air dries the wet mass for 10 minutes. Then continue the drying at Inlet temperature 70 to 80 °c till the outlet temperature reaches to 50 to 55°C. Check moisture content and if required continue drying till LOD not more than 1.5 to 2.5% w/w at 105°c. Record the observations in given table. Time taken for drying of each lot 45 minutes. 6. Sifting and Milling Sift the dried granules through 16# SS Sieve fitted to the sifter, collect the sifted granules in cleaned plastic container lined with polythene bag and affix proper status label. Mill the granules retained on sieve through 2.50 mm - 38 - SS Screen fitted to the Multimill, collect the milled granules in cleaned plastic container lined with polythene bag. Record the sifting and milling activity in given table. Check the weight of sifted and milled granules and record in BMR 7. Lubrication Transfer the sifted and milled granules of step F to the blending area. Transfer the sifted lubricants of step B to the blending area. Record the observation in given table Time of Lubrication -10 minutes Unload the lubricated granules in containers lined with double polythene bags. Check the weight of lubricated granules and record the observation in given table. Check the physical parameter of lubricated granules and record the observation in the BMR. 8. Sampling Store the weighed lubricated material in well closed containers lined with polyethylene and intimate the Quality Assurance Department to draw a sample for assay and moisture content determination. Determine the percentage yields of the granules. 9. Machine Release The tableting cabin must be free from left outs of the previous batch and incorporate machine release report in BMR. 10. : 27 Station / Rotary Compression Machine Fix the standard dies and punches set on the compression machine. Bring approved lubricated granules to the machine. Load the hopper of the compression machine with granules & adjust the tablet parameters detailed below for the compressed tablets. Weight of 20 tablets Average Weight D. T. Friability Weight Variation - 39 - : 3.50 gm : 175 mg : Not more than 15 minutes : Not more than 1.00% : 7.5% Check the average weight, weight variation, hardness, friability & disintegration time as per standard operating procedure for compression & record on the compression sheet. After the compress job is over, weigh the compressed tablets and record in the BMR and calculate yield 11. In- Process Check Intimate the Quality Assurance Department to check the average weight, weight variation, hardness, friability and disintegration time. Resume compression after obtaining the approval from in- process supervisor. Store the compressed tablets in polyethylene lined drum. 12. Sampling of compressed Tablets During the compression, intimate the Quality Assurance Department to draw the sample of compressed tablets for complete analysis. 13. Visual Inspection Send the tablets to the inspection table for inspection of tablets. 14. Preparation of coating suspension Charge the Methylene chloride in a S.S. Container. Add Hydoxypropyl methyl cellulose, Povidone and Titanium Dioxide stir well. Dilute this solution by Isopropyl alcohol stir well for 20 minutes, pass through colloid mill to form a uniform solution. 15. Coating Transfer the uncoated tablets to the coating area. Charge the uncoated tablets in the cleaned coating pan Set the coating pan RPM in between 2-8 RPM. Start the Inlet temperature, set the inlet temperature for 40 – 60 °C. Preheat the tablets using air temperature till the bed temperature reaches to 45- 55°C Fit the 1.8 mm nozzle to the spray gun. Add the coating solution to solution tank. 16. Packaging Batch is released for packing after getting approval from Quality Assurance Department. 17. Total No. of Record the total number of units packed in BMR. Units packed - 40 - 18. Stability Test the tablet for stability every six months as per shelf life. 19. Control Sample Original pack. Twice the quantity required for complete analysis for a period of additional six months to expiry. 20. Release for sale The release of product should be under the signature of Mfg. Chemist and it has to be countersigned by Analytical Chemist. - 41 - MASTER PACKING PROCEDURE PACKAGING PROGRESS GENERAL Packing should be completed within 8 days after checking as per 1 specified lead time for various manufacturing process. 2 Check the Alu-Alu packing machine and packaging area for any leftover packaging material belonging to previous product / batch. Area should be clean, tidy and free from any dust. 3 Set the machine as per Standard Operating Procedure for Alu-Alu Packing Machine (SOP/MO-036) using correct change parts. Set the temperature of rollers between 135 to 140 C. Maintain the strip sealing room at temperature between 25-30 C and relative humidity between 45-55% RH. Operate the machine as per Standard Operating Procedure for Alu-Alu Packing Machine (SOP/MO-036). In case of product change over machine is set as per Standard Operating Procedure for setting of Alu-Alu packing machine at the time of product change over (SOP/MO036). 4 Transfer the tablets from tablets quarantine to packaging area. Weigh the tablets and record the weight in BMR. 5 Line Clearance: Get the line clearance from IPQC chemist as per Standard Operating Procedure (SOP/DOC-14) after above mentioned setting. Set the machine using printed aluminium foil 6 Get correct rubber stereos for the batch and fix them on printing unit. Destroy the stereos after completion of the batch. Refer Standard Operating Procedure for Rubber Stereos (SOP/DOC/BM-01). Print the batch details such as batch number, manufacturing date, expiry date & price (in case of sample pack price shall not be appear) and manufacturing license number (if it is not preprinted) using violet ink and print ‘PHYSICIAN’S SAMPLE NOT TO BE SOLD’ red line (for sample pack). Adjust the printing quality of sharpness of letters. 7 8 Check the printing details as per batch record, sign and get them counterchecked and sign by IPQC Chemist. 9 Attach one sample overprinted foil to BMR. The sample should be checked and signed by packaging supervisor and IPQC Chemist. - 42 - 10 Check the relative humidity and room temperature every two hours and record. 11 Start the machine and get some strips (total number of tablets should be equal to the number of cavities of the roller initially) and subject them to leak test as per standard operating procedure for leak test of Alu-Alu and Strips (SOP/DOC-61). 12 Wipe the tested strips with dry cloth and check the Alu-Alu for moisture penetration by carefully cutting all the pockets. 13 If leak test is O.K. run the machine. If leak test is not satisfactory, rectify the problem, recheck for leak test and only after, all the Alu-Alu comply for leak test, that Alu-Alu sealing shall be continued. 14 Perform the leak test every 2 hours and discard the leak tested tablets. Record the observation in BMR. 15 Similar procedure is adopted and Alu-Alu for sample pack is done by using different change parts so as to give a Alu-Alu of 4 tablets, after removing price and using stereos for P.S. legend, ’PHYSICIAN’S SAMPLE NOT TO BE SOLD’ (to be printed on plain alu foil ). SALES PACK 10 x 10 Tablets 1 Draw the cartons and other packaging materials from the stores as per Packaging Material Requirements, raising Material Requisition Slip as per standard operating procedure for Receipt & Issue of Raw Material / Packaging Material (SOP/DOC-52). 2 Line Clearance: Get the Line Clearance from IPQC Chemist as per standard operating procedure (SOP/DOC-14) before commencing overprinted activity. The area should be free from leftover cartons or any other material of earlier product/batch. Respective stereos should be fixed to get required printing details. 3 Overprint the cartons with batch details (batch number, manufacturing date, expiry date, manufacturing license number, price) as per standard operating procedure for Overprinting M/c-Hand / electrical, (SOP/MO030). - 43 - 4 Check the details as per batch record and get them counterchecked by IPQC Chemist. Sign and attach one such sample to Batch Manufacturing Record and one to overprinting registers. 5 Check the Alu-Alu of 10 tablets for any defect like cut pockets, improper printing, improper sealing etc. 6 Pack 10 x 10 in each carton along with one literature. 7 Pack these cartons in a printed duplex board box. 8 Check the printed details on the box (product name, batch number, mfg., and Exp. Date, quantity, address, packer’s name) and seal the box with 2 inch printed BOPP tape. 9 Overprint 7 Ply corrugated boxes with batch number, quantity and put box number and packer’s name on the boxes. 10 Check the printed details on the box (product name, batch number, mfg., and Exp. Date, quantity, address, box number, packer’s name) and seal the box with BOPP tape. 11 Inform IPQC chemist to collect sample for analysis. Q.C. shall carry out complete analysis on final pack. 12 Destroy excess overprinted packaging materials if any in presence of IPQC chemist as per standard operating procedure for Distruction of Rejection (SOP/DOC-08). Record and reconcile the quantities after returning the balance quantities of unprinted packaging material to the stores. Remove the control sample (4 x 10 x 10 tablets) and sample it as “Control Sample-Not for Sale”. 13 14 Record the total quantity packed and reconcile the yield. 15 Prepare internal Transfer Note and transfer the packed goods to BSR. NOTE: In case the yield is within 2% of the standard norm, the batch shall be released by Q. A. M, provided he is satisfied with the justification given by Production Manager. If the yield is below 2% of the standard norm of 97.5% and 2% above the standard norm of 99.8%, the batch shall not be released unless authorization is obtained from V.P.(Operation). The detailed investigation should be carried out for the deviation in the yield, observation should be recorded and authorization obtained from V.P.(Operations), on the form ‘Justification for Deviation in Yield’. - 44 - ➢ Process validation data (manufacturing process, validation protocol, and manufacturing process validation report) OBJECTIVES The intention of this validation exercise is to demonstrate that the equipment and formulation process employed by Niramaya Pharmaceuticals (P) Ltd. at Village Juddi Khurd Barotiwala Road, Baddi, Distt. Solan, Himachal Pradesh, for Atorvastatin Tablets consistently produces material, which meets the required specification. Further, more supporting activities will ensure the conditions and procedures are maintained to a level that guarantees compliance with the expectations of Good Manufacturing Practice and Safety, Health and Environmental requirements. The Validation Master Plan describes the process by which the exercise will be managed and documented. SCOPE AND BACKGROUND The scope of this protocol is limited to first three consecutive commercial scale batches manufactured with specific batch size and specified equipment and operating parameters for Atorvastatin Tablets. A project team has been formed to complete the task and their roles and document responsibilities have been defined. RESPONSIBILITY The project team for the process validation will perform the validation and make a report of the data generated during validation process. The production team will prepare the validation protocol, execute the validation batches as per the batch production records and will compile the report. Quality assurance will review and approve the process validation protocol and report. Quality control will review the validation protocol and report; analyze the samples collected during validation study. Engineering department will support the study by providing the necessary utilities. - 45 - Following are the members of the process validation team. 1. Sr. Manager (Quality Assurance) 2. Manager (Operations) 3. Manager (Engineering) 4. Dy. Manager (Quality Assurance) 5. Manager (Quality Control) 6. Dy. Manager (Quality Control) REVALIDATION The validation process shall be re-validated on account of following cases: 1. When there is change or major preventive maintenance of the equipment. 2. When there is change in processing equipment. 3. When there is a product failure. 4. When there is change in cleaning equipment. 5. When there is change in raw material or change of raw material itself. 6. When there is change in procedures. Revalidation shall be done at least one time in a year. VALIDATION TECHNIQUE The objective of the whole exercise is to show that the process operated by and the facilities used by Niramaya Pharmaceuticals (P) Ltd. can routinely produce Atorvastatin Tablets that meets the required specification. The process is sufficiently controlled to ensure that is operated within the specified conditions and yield of product is within the expected range. The validation will be controlled by this VMP, a series of protocols and subsequent reports. The protocols describe the activities to be completed and the acceptance criteria. These documents must be available in advance of any activity. All protocols will be written and approved by the staff indicated in Appendix 1. Similarly any changes to the protocol must be documented, justified and authorized. Upon completion of each phase (DQ, IQ, OQ, PQ, CV) a report will be issued by the responsible person, QA Manager. At the end of the complete exercise a validation summary report will be prepared covering all stages of the project. This will include conclusions from each phase, comments on supporting activities e.g. Training, Calibration, and actions from any GMP audits together with a final statement on the validation status of the process. - 46 - The project is divided into a number of phases, the activities and requirements for each phase are outlined below. Design Qualification (DQ) The objective of this section is to show that the design of the plant (and supporting utilities) are such that they will allow the consistent formulation of Atorvastatin Tablets to the requirements of the process description. A DQ protocol will be produced and approved prior to commencement of the exercise. Upon completion a DQ certificate will be issued. Any revisions to the plant will be subjected to formal change control. An "as built" Engineering Line Diagram (ELD) will be in place and signed by responsible staff of the appropriate disciplines (including QA) to show that the plant meets the needs of the process. An equipment list of main plant items will be prepared from the ELD together with equipment specifications. These will be identified and listed. Installation Qualification (IQ) The objective of this section is to show that the system has been installed in line with the finalized ELD's. This is achieved by engineering completing checklist. As part of the IQ confirmation will be made that all critical instruments have been calibrated within the acceptable ranges and entered into a calibration schedule. In addition a planned preventive maintenance schedule will be in place for the key equipment. A protocol will be written and approved prior the exercise. Upon completion a report and certificate will be prepared and authorized. Operational Qualification (OQ) The objective of this section of the validation is to show that the plant operates in such a manner as to be able to routinely provide and control the parameters required by the process. This would have been achieved by solvent "simulation", i.e. processing without raw materials and reagents. However, this has been declared redundant as the plant is already in an operation state and i.e. checks for leaks and correct configuration arc already demonstrated. Furthermore the OQ phase ensures that formulation documentation is prepared and of an appropriate standard, that relevant SOP's are available and that the staff has been adequately trained to conduct the process and supporting activities. - 47 - A protocol will be written and approved prior to the exercise. Based on the acceptance criteria written in the protocol a report and certificate will be written and authorized. Process Performance Qualification (PQ) The objective of this exercise is to show that the defined process, when performed in qualified equipment, will generate product which consistently meets the specification. This is achieved by checking, very closely, three batches from VGT-1301 to VGT-1303 shows that the product has been formulated within the defined process parameters and meets all the quality specifications. Prior to the PQ phase a protocol will be prepared by QA based on critical process parameters. The documentation used during the PQ will essentially consist of the normal production and analytical procedures, batch sheets and specifications. Prior to PQ it is essential that all raw materials used in the process have been approved and that analytical methods used for assessing the product are suitably in validated state. Sampling plans for the exercise should also be documented. The PQ will be deemed to have been successful once the plant performance, process performance, product quality and plant capacity requirements have been met. Cleaning validation The objective of this section of the validation is to demonstrate the capacity of the cleaning process. The validation process will take place in 3 cleaning processes and will end until the completion of this 3 cleaning processes. Criteria will be evaluated and checked for acceptance. Deviations /Planned Changes The existence of deviations in any of the qualification exercises does not exclude successful validation. However they must be fully documented and a QA review must show them to be acceptable for the exercise. Exceptions / Reservations Throughout the various phases of the exercise there will be a number of observations which will give rise to "reservations". All of these exceptions should be documented and reviewed by QA. The bulk of exceptions should be completed prior to close out the following phase. - 48 - However in some instances these may be deferred until agreed al later date. This is only being done with full QA approval. EQUIPMENT USED IN MANUFACTURING Sr. No Department 1 Granulation Name of Machine / Equipment 30” S.S. Sifter 2 Granulation S.S. Multi mill 3 Granulation 4 Granulation 5 Granulation 6 Granulation 7 Compression 8 Compression Jacketed Steam Kettle Rapid Mixer Granulator- 160 Kg. Fluid Bed Dryer160 kg Octagonal Blender 320 kg Compression machine Dedusters 9 Compression Dust Extractor 10 Coating Auto coater 11 Packing Alu-Alu packing machine - 49 - Equip. I.D. No Cleaned as per SOP No. MG/PDP/SIF001 PDP/11 MG/PDP/MLM0 01 MG/PDP/PST00 1 MG/PDP/RMG0 01 PDP/27 MG/PDP/FBD00 1 MG/PDP/OGB00 1 PDP/24 MG/PDP/COM0 01 MG/PDP/DED00 1 MG/PDP/DUD00 1 MG/PDP/AUC00 1 MG/PDP/BLS00 1 PDP/31 PDP/23 PDP/21 PDP/26 PDP/32 PDP/33 PDP/34 PDP/47 PROCEDURES Following procedures to be followed to validate the manufacturing process of Atorvastatin Tablets to optimize the efforts needed for collection, compilation and evaluation of the complete process of manufacturing of Atorvastatin Tablets. 1. Ensure that correct and approved procedures are available 2. Plan three consecutive validation batches 3. Each step to be reviewed and evaluated with observations and conclusions 4. Appropriate samples to be drawn from each validation batches for testing and stability studies 5. Validation report shall be compiled after completion of validation study and complete analysis of last batch. Manufacturing Stage: Granulation Stage: A) Parameters to be checked after dry mix : Dry mix time Blend uniformity (assay of Active(s) * - Indicates approximate position of the sampling point No. of Samples : 9 Quantity : 10 g/sample Sample Identification : Ta, Tb, Ta, Ma, Mb, Mc Ba, Bb, Bc B) Parameters to be checked during Granulation in RMG: Granulation Started on: Date and Time Granulation completed on: Date and Time Temperature of Binder paste added Quantity of extra water added (if any) Time after addition of binder paste at slow speed Time after addition of binder paste at fast speed Load of RMG in ampere at the stage when granules are ready Whether chopper is used while discharging from bowl - 50 - C) Parameters to be checked during drying in Glatt: 1. Inlet air temp. 2. Outlet air temp. 3. Drying temp. D) LOD of granules after sizing (by I. R. at 600c/ 5 min) Blending Parameters to be checked during blending stage: 1 Blending time Tests to be carried out on blended granules: 1. Bulk density (untapped) 2. Sieve analysis ( by 20, 40 & 60 ) 3. Angle of Repose 4. LOD (by I. R. at 1050c for 5 min) 5. Assay of active(s) For test no. 1 to 4 remove the required quantity of sample from top and bottom of the each container and make on composite sample for the tests. - 51 - Compression Stage: Before starting the run, collect 20 tablets from right and left discharge chute by Running the compression machine at slow (12-15 rpm double rotary); medium (25-28 rpm double rotary) and high speed (35-40 rpm double rotary) with keeping compression pressure constant. Record the RPM and Tablets per minute. Carry all physical parameter test on these samples ( test no. 1 to 7 ) and decide the optimum running speed of the machine for the regular run. Tests to be carried out on compressed tablets: 1 Appearance 2 Weight variation 3 Assay of active(s) 4 Disintegration time 5 Water content by K.F. Compression Speed (as tablets per minute) to be recorded at least three times during the compression run (i.e. from start to end of compression). Approx. 20 tablets to be collected from Left & Right discharge chute at evenly spaced interval so that minimum 9 or 12 samples shall be obtained considering the total compression run. Record the date & time of each sample is collected. Carry all physical parameter test on these samples. From these samples, prepare three pulled samples representing the initial, middle & end of the compression run. Carry test no. 4 & 5 on the pooled samples. Total No. of pulled samples: 3 Quantity of sample : 50 tablets / sample - 52 - Interpretation of Results: Results of this study shall be compared with norms given in the Doc. No.: & with product specification limits as per DOC No QCT-FPInterpretation of all the results shall be done by QA personal & it shall be reviewed by Manager Production. Release of the batch shall be with respect to the specifications for finished product. ACCEPTANCE CRITERIA: Stage of Process Limits ► Dry Mix stage 5 % of the Labelled Amount ► Blended granules stage 5 % of the Labelled Amount ► Compression (Chemical Tests) (Physical Tests) As per cited STP & MFR For all the above stages % CV shall be as per SOP no. Reference Documents 1. Standard testing procedures 2. Standard operating procedures 3. Specification of raw material and finish products 4. DQ, IQ, OQ, PQ of machines 5. Calibration of all laboratories instrument ACCEPTANCE CRITERIA All monitoring and testing of the key process steps will be completed and approved. The process qualification is performed on all processing steps to ensure and document the consistency and / or effectiveness of the operation. 1. All raw materials must meet quality control specifications 2. All critical process parameters must be within the ranges specified in the batch records. 3. The final yield must be within the ranges specified in the batch records. 4. All in-process tests must meet specifications as per batch records. 5. Final product must meet quality control specifications / pharmacopoeia specifications. - 53 - VALIDATION REPORT AND APPROVAL Refer Annexure - 1 to 2 for detail. Summarize data in tabular form. Compare all results to acceptance criteria. Attach completed process monitoring data sheets, completed analytical test results or additional support documentation, if any. TYPE OF VALIDATION AND ANNEXURES Concurrent Validation Annexure – 1 BATCHES UNDER STUDY Product / Brand Name Batch No. Batch Size Mfg. Date Exp. Date Atorvastatin Tablets MT-1421 APR- 2014 MAR -2016 Atorvastatin Tablets MT-1422 APR- 2014 MAR -2016 Atorvastatin Tablets MT-1423 100000 Tablets 100000 Tablets 100000 Tablets APR- 2014 MAR -2016 - 54 - ANNEXURE – 2 Specification and Results of Final Products PARAMETER SPECIFICATION Description Identification White coloured, round shaped, biconvex, film coated tablet plain on both side Positive for Atorvastatin Average weight Uniformity of weight Disintegration Time Dissolution Related substances Assay Each film coated tablet contains : Atorvastatin calcium Equivalent to Atorvastatin 10 mg OBSERVATION B.NO. B.NO. B.NO. MT-1421 MT-1422 MT-1423 Complies Complies Complies Positive Positive Positive 181.0 mg ± 7.5% of average weight 180.0 mg Complies 182.0 mg Complies 180.2 mg Complies NMT 30 minutes 4 min.30 4 min 45 4 min 35 sec sec sec 91.15% 92.30% 90.35% Complies Complies Complies 99.82% 99.78% 99.90% NLT 75% Complies as per IP 90.0 to 110.0% of the stated amount - 55 - Annexure – 3 CLEANING VALIDATION The cleaning validation is done as per standard protocol. Annexure – 4 AVERAGE WEIGHT RECORD AND YIELD IN UNIT PER BATCH PARAMETER SPECIFICATION B.NO. MT-1421 Average Weight Yield (In %/Batch) 180.0 mg 181.0 mg Minimum 97% 98.45% OBSERVATION B.NO. B.NO. MT-1422 MT-1423 182.0 mg 98.30% Annexure – 5 Observation Finished Product AtorvastatinTablet is within the limit in assay, yield (Minimum 97%) and Average weight within the limit. Summary and Conclusion Report shall be prepared based on the acceptance criteria established and data collected during validation studies. All results shall be verified against the established acceptance criteria and defined specifications. This report will state that the process is validated. LIST OF ABBREVIATIONS CV Cleaning validation DQ Design Qualification ELD Engineering Line Diagram GMP’s Good Manufacturing Practices IQ Installation Qualification OI’s Operation Instructions OP’s Operating Procedures OQ Operation Qualification PQ Process Performance Qualification QA Quality Assurance R&D Research & Development SOP’s Standard Operating Procedure VMP Validation Master Plan VSR Validation Summary Report - 56 - 180.2 mg 98.55% 7. Specification for Excipients ➢ List of tests and limits for result of excipient TECHNICAL SPECIFICATION FOR ACTIVE SUBSTSNCE NAME: ATORVASTATIN CALCIUM SPECIFICATION: I.P. Sr. No. 1 2 Test Performed Specification Description Identification 3 Specific rotation A white to off White crystalline powder Determine by infrared absorption spectrophotometry. Compare the spectrum with that obtained with atorvastatin calcium RS or with the reference spectrum of atorvastatin calcium. Between -6.0° to -12.0° 4 Related Substance 5 6 7 Heavy metal Water Assay Single Maximum impurity: Not more than 0.5 % Total Impurity: Not more than 2.0 % Not more than 20 ppm 3.0 % to 7.0 % NLT 98.0 % w/w and NMT 102.0 % w/w. calculated on the anhydrous basis - 57 - Specification and Method of Analysis of Excipients TECHNICAL SPECIFICATION FOR EXCEPIENTS NAME: MAIZE STARCH SPECIFICATION: I.P. Sr. No. 1 Test Performed Description 2 Identification 3 Acidity 4 5 Iron Fluorescence 6 7 Oxidising substances Microbial Contamination Sulphated ash Loss on drying 8 9 Specification A very fine, white or slightly yellowish powder or irregular white masses which are readily reducible to powder, creaks when pressed between the fingers; odourless and tasteless. A. Polyhedral granules, 2 to 23 μm in size, or rounded granules, 25 to 32 μm in diameter. The central hilum consists of a distinct cavity or two- to five-rayed cleft; no concentric striations. Viewed between crossed nicol prisms, a distinct black cross is seen intersecting at the hilum. B. Heat to boiling for 1 minute a suspension of 1 g in 50 ml of water and cool; a thin and cloudy mucilage is produced with all starches except potato starch which gives a thick and more transparent mucilage. C. To 10 ml of the mucilage obtained in test B add 0.05 ml of 0.01 M iodine; a dark blue colour is produced, which disappears on heating and reappears on cooling. Not more than 2.0 ml is required to change the colour of the solution. NMT 40 ppm No fluorescence should be visible under screened ultra-violet light No distinct brown or blue colour is observed. 1 g is free from Escherichia coli and salmonellae NMT 0.6 % NMT 15.0% - 58 - TECHNICAL SPECIFICATION FOR EXCEPIENTS NAME: MICROCRYSTALLINE CELLULOSE SPECIFICATION: I.P. Sr. No. 1 Test Performed Description 2 Identification 3 4 pH Starch and dextrins 5 Organic impurities 6 Water-soluble substances Arsenic Heavy metals Sulphated ash Loss on drying Assay 7 8 9 10 11 Specification A fine or granular, white or almost white powder; odourless A. To about 1 mg add 1 ml of phosphoric acid, heat on a water-bath for 30 minutes, add 4 ml of a 0.2 per cent w/v solution of catechol in phosphoric acid and heat for further 30 minutes; a red colour is produced. B. To 50 mg add 2 ml of iodine solution, allow to stand for 5 minutes and remove the excess reagent with the aid of a filter paper and add 1 or 2 drops of sulphuric acid (66 per cent v/v); a blue-purple colour is produced. C. Mix 30 g with 270 ml of water, mix in a blender at 18,000 rpm for 5 minutes, transfer 100 ml of the mixture to a 100-ml graduated cylinder and allow to stand for 3 hours. A white, opaque, bubble-free dispersion is obtained that does not produce a supernatant liquid. 5.0 to 7.5 Mix 0.1 g with 5 ml of water by vigorous shaking and add 2 to 3 drops of iodine solution; no blue or brownish-red colour is produced Place 10 mg on a watch-glass and add 0.05 ml of a freshly prepared solution of 0.1 g of phloroglucinol in 5 ml of hydrochloric acid; no red colour is produced NMT 0.2 % NMT 2 ppm NMT 10 ppm NMT 0.2% NMT 6.0% NLT 97.0 % and NMT 102.0 % of cellulose, calculated on the dried basis. - 59 - TECHNICAL SPECIFICATION FOR EXCEPIENTS NAME: PURIFIED WATER SPECIFICATION: I.P. Sr. No. 1 2 3 4 5 6 7 8 9 10 11 12 Test Performed Specification Description Acidity or alkalinity Ammonium Calcium and magnesium Heavy metals Chloride Nitrate Sulphate Oxidisable substances Residue on evaporation Aluminum Bacterial endotoxins A clear, colourless liquid; odourless and tasteless To Comply as per IP NMT 0.2 ppm To Comply as per IP NMT 0.1 ppm To Comply as per IP NMT 0.2 ppm To Comply as per IP To Comply as per IP NMT 0.001% NMT 10 ppb NMT 0.25 Endotoxin Unit per ml - 60 - TECHNICAL SPECIFICATION FOR EXCEPIENTS NAME: PURIFIED TALC SPECIFICATION: I.P. Sr. No. 1 Test Performed Description 2 Identification 3 4 5 7 Acidity or alkalinity Iron Acid-soluble substances Water-soluble substances Carbonates 8 9 Chloride Organic compounds 10 Loss on Drying 6 Specification A white or almost white powder, free from grittiness; readily adheres to the skin; unctuous to the touch; odourless A. When examined microscopically, shows irregular plates, the majority less than 50 μm in length. B. By Reaction; a white, crystalline precipitate is produced. C. Gives the reaction of silicates To Comply as per IP NMT 10 ppm NMT 2.0%. To Comply as per IP To 1 g add 20 ml of dilute hydrochloric acid; no effervescence is produced NMT 250 ppm The residue obtained in the test for Loss on drying is not more than slightly yellow or grey. NMT 1.0 % - 61 - TECHNICAL SPECIFICATION FOR EXCEPIENTS NAME: SODIUM STARCH GLYCOLATE SPECIFICATION: I.P. Sr. No. 1 Test Performed Description 2 Identification 3 4 5 6 7 8 pH . 9 10 Heavy metals Iron Sodium chloride Sodium glycollate Microbial Contamination Loss on Drying Assay Specification A very fine, white or off-white, freeflowing powder; odourless or almost odourless. A. Determine by infrared absorption spectrophotometry Compare the spectrum with that obtained with sodium starch glycollate RS or with the reference spectrum of sodium starch glycollate. B.By Reaction; a dark blue colour is produced. C. The solution obtained in the test for Heavy metals gives the reactions of sodium salts 5.5 to 7.5. NMT 20 ppm NMT 20 ppm NMT 10% w/w To Comply as per IP 1.0 g is free from Escherichia coli and Salmonellae NMT 10.0 % Contains NLT 2.8 % and NMT 4.5 % of sodium, Na - 62 - TECHNICAL SPECIFICATION FOR EXCEPIENTS NAME: COLLOIDAL ANHYDROUS SILICA SPECIFICATION: I.P. Sr. No. 1 Test Performed Description 2 Identification 3 4 5 6 7 8 pH . Arsenic Heavy metals Chlorides Loss on ignition Assay Specification A light, fine, white, amorphous powder. It has a particle size of about 15 nm About 20 mg gives the reaction of silicates 3.5 to 2.5. NMT 8 ppm NMT 25 ppm NMT 250 ppm NMT 5.0% NLT 99.0 % and NMT 100.5 % of SiO2, calculated on the ignite basis. - 63 - TECHNICAL SPECIFICATION FOR EXCEPIENTS NAME: TITANIUM DIOXIDE SPECIFICATION: I.P. Sr. No. 1 Test Performed Description 2 Identification 3 Appearance of solution. 4 5 Acidity or alkalinity Water-soluble substances Arsenic Barium Heavy metals Iron Assay 6 7 8 9 10 Specification A white or almost white, infusible powder; odourless A. When strongly heated it becomes pale yellow; the colour is discharged on cooling. B. By Reaction;an orange-red colour is produced. C. To 5 ml of solution A add 0.5 g of zinc, in granules; after 45 minutes a violet-blue colour is produced. Solution A is not more opalescent than opalescence standard OS2, and colourless To Comply as per IP NMT 0.5% NMT 5 ppm To Comply as per IP NMT 20 ppm NMT 200 ppm NLT 98.0 % and NMT 100.5 % of TiO2 - 64 - TECHNICAL SPECIFICATION FOR EXCEPIENTS NAME: HYDROXYPROPYLMETHYLCELLULOSE SPECIFICATION: I.P. Sr. No. 1 Test Performed Description 2 Identification 3 4 pH Appearance of Solution 5 6 7 8 9 Apparent viscosity Heavy metals Chlorides Sulphated ash Loss on drying Specification A white or yellowish white, fibrous or granular powder; almost odourless; hygroscopic after drying A) By Reaction- Should Comply B) By Reaction- Should Comply C) By Reaction- Should Comply D) By Reaction- Should Comply E) By Reaction- Should Comply 5.5 to 8.0 Solution A is not more opalescent than opalescence standard OS3, and not more intensely coloured than reference solution YS6 75 to 140 per cent of the stated value NMT 20 ppm NMT 0.5% NMT 3.0% NMT 10.0% - 65 - TECHNICAL SPECIFICATION FOR EXCEPIENTS NAME: POVIDONE SPECIFICATION: I.P. Sr. No. 1 2 3 4 5 6 7 8 9 10 11 12 Test Performed Description Identification Appearance of Solution Heavy metals Aldehydes Vinylpyrrolidone Sulphated ash Water K-value Nitrogen Water Specification A white or yellowish white powder or flakes; odourless or almost odourless; hygroscopic. A) By Infrared absorption spectrophotometry B) By Reaction- Should Comply C) By Reaction- Should Comply D) By Reaction- Should Comply Solution A is clear, and not more intensely coloured than reference solution BS6 or BYS6 NMT 10 ppm NMT 0.2% NMT 0.2% NMT 0.1 per cent NMT 5.0 per cent To Comply as per IP To Comply as per IP NMT 5.0 per cent - 66 - TECHNICAL SPECIFICATION FOR EXCEPIENTS NAME: METHYLENE CHLORIDE (DICHLOROMETHANE) SPECIFICATION: B.P. Sr. No. 1 2 Test Performed Description Solubility 3 Identification 4 Appearance of solution Acidity Relative density Refractive index Ethanol, 2-methylbut2-ene and other related substances Free chlorine 5 6 7 8 9 10 11 12 Heavy metals Residue on evaporation Water Specification A clear, colourless, volatile liquid sparingly soluble in water, miscible with alcohol A)By Relative Density Should Comply. B)By Refractive Index Should Comply C)By Comparison of chromatogram D)By Reaction Should Comply E) By Reaction Should Comply Should Comply Should Comply 1.320 to 1.332. 1.423 to 1.425. By gas chromatography- Should Comply Should Comply NMT 1 ppm. NMT 20 ppm. NMT 0.05% - 67 - TECHNICAL SPECIFICATION FOR EXCEPIENTS NAME: ISOPROPYL ALCOHOL SPECIFICATION: I.P. Sr. No. 1 Test Performed Description 2 Identification 3 4 Acidity or alkalinity Distillation range 5 6 7 Refractive index Weight per ml Aldehydes and ketones Benzene and related substances Non-volatile matter Water-insoluble matter Water Specification A clear, colourless liquid; odour, characteristic and spirituous; flammable A) By Reaction- Should Comply B) By Reaction- Should Comply To Comply as per IP NLT 95.0 %t v/v distils between 81° and 83°. 1.377 to 1.378, . 0.782 g to 0.786 g To Comply as per IP NMT 03% NMT 0.002% Mix 1 volume with 19 volumes of water; no opalescence is produced NMT 0.5% - 68 - ➢ Test methods Method of Analysis of Active Raw Material ATORVASTATIN CALCIUM Protocol: I.P. Atorvastatin Calcium is calcium salt of [βR,8R]-2-(4-fluorophenyl)-α, δ – dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrole1-heptanoic acid trihydrate Atorvastatin Calcium contains not less than 98.0 per cent and not more than 102.0 per cent of C66H68 Ca F2N4O10, calculated with reference to the anhydrous basis. Description A white to off White crystalline powder Identification Determine by Infrared absorption Spectrophotometry (2.4.6). Compare the spectrum with that obtained with Atorvastatin Calcium RS or with reference spectrum of Atorvastatin Calcium Tests Specific Optical Rotation (2.4.22) -6.0° to -12.0°, determined in 1.0 percent w/v solution in dimethylsulphoxide Related Substances. Determine by liquid chromatography (2.4.14) Solvent mixture. A mixture of 40 volumes of acetonitrile and 60 volume of water Test Solution. Dissolve 50 mg the substance under examination in 10 ml of methanol and dilute to 100 ml with the solvent mixture - 69 - Reference Soultion. (a). A 0.5 percent w/v solution of atorvastatin calciumRS in methanol. Dilute 5 ml of the solution to 50 ml with the solvent mixture Reference Soultion. (b). Dilute 1 ml of reference solution (a) to 100 ml with the solvent mixture Chromagrahic system - a stainless steel column 25 cm x 4.6 mm, packed with octadecylsilane bonded to porous silica (5 µm) - Mobile phase: A. a mixture of 92.5 volumes of Acetonitrile and 7.5 volume tetrahydrofuran. B. a mixture of 58 volumes of a buffer solution prepared by dissolving 5.75 g of ammonium dihydrogen orthophosphate in 1000 ml of water and 42 volumes of mobile phase A C. a mixture of 20 volumes of the buffer solution 20 volumes of mobile phase A and 60 volumes of methanol - a linear gradient porgramme using the condition given below - spectrophotometer set at 246 mm - 20µl loop injector - injection delay 10 minutes Time Flow rate (in min.) 0 20 35 40 55 60 (ml per min.) 1.8 1.8 1.5 1.5 1.5 1.8 Mobile Phase B (percent v/v) 100 100 25 25 0 100 Mobile Phase C (percent v/v) 0 0 75 75 100 0 Inject reference solution (a). The test is not valid unless the column efficiency is not less than 10000 theoretical plates and tailing factor is not more than 1.5 Inject alternatively the test solution and reference solution (b).In the chromatogram obtained with test solution, the area of any secondary peak is not more than the area of the peak in the chromatogram obtained with the reference solution (b) (0.5 percent) and the sum of the area of all the secondary peaks is not more than 2 times the area of the peak in the chromatogram obtained with the reference solution (b) (2.0 percent) - 70 - Ignor any peak with an area less than0.05 times the area of the peak obtained in the chromatogram obtained with the reference solution (b) (0.05 percent) Heavy metals (2.3.13). 1.0 g complies with the limit testfor heavy metals, Method A (20 ppm) Water (2.3.43) 3.0 percent to 7.0 percent determined on 3.0 g Assay. Determine by liquid chromatography (2.4.14) Solvent mixture. A mixture of 40 volumes of acetonitrile and 60 volume of water Test Solution. Dissolve 80 mg the substance under examination in 20 ml of methanol and dilute to 200 ml with the solvent mixture. Dilute this solution with the solvent mixture to produce a solution containing 0.008 percent w/v of Atorvastatin calcium Reference Soultion. Dissolve 20 mg of Atorvastatin calcium in 5 ml of methanol and dilute to 50 ml with the solvent mixture. Dilute this solution with the solvent mixture to produce a solution containing 0.008 percent w/v of Atorvastatin calcium Chromagrahic system - a stainless steel column 25 cm x 4.6 mm, packed with octadecylsilane bonded to porous silica (5 µm) - Mobile phase: a mixture of 58 volumes of a buffer solution prepared by dissolving 5.75 g of ammonium dihydrogen orthophosphate in 1000 ml of water and 42 volumes of a mixture of 92.5 volumes of Acetonitrile and 7.5 volume tetrahydrofuran. - flow rate 1.8 ml per minute - spectrophotometer set at 246 mm - 20µl loop injector Inject the reference solution. The test is not valid unless the relative standard deviation for replicate injections is not more than 2.0 percent Inject alternatively the test solution and reference solution Clculate the content of C66H68 CaF2N4O10 Storage.Store protected from light at a temperature not exceeding 30° - 71 - Method of Analysis of Excipients STARCH Protocol: I.P. Starch consists of polysaccharide granules obtained from the caryopsis of maize or corn, Zea mays Linn., or of rice, Oryza sativa Linn., or of wheat, Triticum aestivum Linn., or from the tuber of potato, Solanum tuberosum Linn., or from the rhizomes of tapioca, Manihot utilissima Pohl. Description. A very fine, white or slightly yellowish powder or irregular white masses which are readily reducible to powder, creaks when pressed between the fingers; odourless and tasteless. The presence of granules showing cracks or edge irregularities is exceptional in starches other than wheat starch; wheat starch may contain granules with cracks on the edges. Identification A. Corn or maize starch — Polyhedral granules, 2 to 23 μm in size, or rounded granules, 25 to 32 μm in diameter. The central hilum consists of a distinct cavity or two- to five-rayed cleft; no concentric striations. Viewed between crossed nicol prisms, a distinct black cross is seen intersecting at the hilum. Potato starch — Single granules, either irregular, ovoid or pear-shaped, 30 to 100 μm in size, or rounded, 10 to 35 μm in size; compound granules consisting of groups of two to four elements are rare. Eccentric hilum; clearly visible concentric striations. Viewed between crossed nicol prisms, a distinct black cross is seen intersecting at the hilum. Rice starch — Polyhedral granules, 2 to 5 μm in size, either isolated or aggregated in ovoid masses, 10 to 20 μm in size. Central hilum poorly visible; no concentric striations. Viewed between crossed nicol prisms, a distinct black cross is seen intersecting at the hilum. Tapioca starch — Principally simple granules, sub-spherical, muller-shaped or rounded polyhedral; smaller granules 5 to 10 μm, larger granules 20 to 35 μm in diameter; hilum, central, punctate, linear or triradiate; striations, faint, concentric; compound granules, few, of two to three unequal components. Wheat starch — Large discoid or, more rarely, reniform granules, 10 to 45 μm in size; profile, elliptical and fusiform, slit along the main axis. Small rounded or polyhedral granules, 2 to 10 μm in size. Granules of intermediate size very rarely occur. Hilum and striations invisible or barely visible. Viewed between crossed nicol prisms, a distinct black cross is seen intersecting at the hilum. - 72 - B. Heat to boiling for 1 minute a suspension of 1 g in 50 ml of water and cool; a thin and cloudy mucilage is produced with all starches except potato starch which gives a thick and more transparent mucilage. C. To 10 ml of the mucilage obtained in test B add 0.05 ml of 0.01 M iodine; a dark blue colour is produced, which disappears on heating and reappears on cooling. Tests Acidity. Add 10.0 g to 100 ml of ethanol (70 per cent) previously neutralised to phenolphthalein solution, shake for 1 hour, filter and titrate 50 ml of the filtrate with 0.1 M sodium hydroxide. Not more than 2.0 ml is required to change the colour of the solution. Iron (2.3.14). Dissolve the residue obtained in the test for sulphated ash in 4 ml of hydrochloric acid with the aid of gentle heat, dilute with water to 50 ml and mix; 25 ml of the resulting solution complies with the limit test for iron (40 ppm). Fluorescence. No fluorescence should be visible under screened ultra-violet light. Oxidising substances. To 5.0 g add 10 ml of water and 1 ml of acetic acid and stir until a homogeneous suspension is obtained. Add 0.5 ml of a freshly prepared saturated solution of potassium iodide, mix and allow to stand for 5 minutes; no distinct brown or blue colour is observed. Microbial Contamination (2.2.9). 1 g is free from Escherichia coli and salmonellae. Sulphated ash (2.3.18). Not more than 0.6 per cent (for all starches except rice starch) and not more than 0.8 per cent (for rice starch), determined on 2.0 g. Loss on drying (2.4.19). Not more than 15.0 per cent (for all starches except potato starch) and not more than 20.0 per cent (for potato starch), determined on 0.2 g by drying in an oven at 105º. Storage. Store protected from light and moisture. Labelling. The label states the type of starch. - 73 - MICROCRYSTALLINE CELLULOSE Protocol: I.P. Microcrystalline Cellulose is purified, partially depolymerised cellulose prepared from alpha cellulose. Microcrystalline Cellulose contains not less than 97.0 per cent and not more than 102.0 per cent of cellulose, calculated on the dried basis. Description. A fine or granular, white or almost white powder; odourless. Identification A. To about 1 mg add 1 ml of phosphoric acid, heat on a water-bath for 30 minutes, add 4 ml of a 0.2 per cent w/v solution of catechol in phosphoric acid and heat for further 30 minutes; a red colour is produced. B. To 50 mg add 2 ml of iodine solution, allow to stand for 5 minutes and remove the excess reagent with the aid of a filter paper and add 1 or 2 drops of sulphuric acid (66 per cent v/v); a blue-purple colour is produced. C. Mix 30 g with 270 ml of water, mix in a blender at 18,000 rpm for 5 minutes, transfer 100 ml of the mixture to a 100-ml graduated cylinder and allow to stand for 3 hours. A white, opaque, bubble-free dispersion is obtained that does not produce a supernatant liquid. Tests pH (2.4.24). 5.0 to 7.5, determined on the supernatant liquid obtained by shaking 2.0 g with 100 ml of carbon dioxide-free water for 5 minutes and centrifuging. Starch and dextrins. Mix 0.1 g with 5 ml of water by vigorous shaking and add 2 to 3 drops of iodine solution; no blue or brownish-red colour is produced. Organic impurities. Place 10 mg on a watch-glass and add 0.05 ml of a freshly prepared solution of 0.1 g of phloroglucinol in 5 ml of hydrochloric acid; no red colour is produced. Water-soluble substances. Shake 5.0 g with about 80 ml of water for 10 minutes, filter through a filter paper (Whatman No 42 or equivalent) into a tared beaker and evaporate the filtrate to dryness and dry the residue at 105° for 1 hour. The residue weighs not more than 10 mg (0.2 per cent). Arsenic (2.3.10). Mix 5.0 g with 3 g of anhydrous sodium carbonate, add 10 ml of bromine solution and mix thoroughly. Evaporate to dryness on a waterbath, gently ignite and dissolve the cooled residue in a mixture of 15 ml of - 74 - hydrochloric acid containing 0.15 ml of bromine solution and 45 ml of water. Add 2 ml of stannous chloride solution AsT. The resulting solution complies with the limit test for arsenic (2 ppm). Heavy metals (2.3.13). 2.0 g complies with the limit test for heavy metals, Method B (10 ppm). Sulphated ash (2.3.18). Not more than 0.2 per cent. Loss on drying (2.4.19). Not more than 6.0 per cent, determined on 0.5 g by drying in an oven at 105°. Assay. Weigh accurately about 0.125 g and transfer to a 300-ml conical flask with the aid of about 25 ml of water. Add 50.0 ml of 0.083 M potassium dichromate, mix, carefully add 100 ml of sulphuric acid and heat to boiling. Remove from heat, allow to stand at room temperature for 15 minutes, cool and transfer to a 250-ml volumetric flask. Dilute with water almost to volume, cool to 25°, dilute with water to volume and mix. Titrate 50.0 ml of the resulting solution with 0.1 M ferrous ammonium sulphate using 2 to 3 drops of ferroin sulphate solution as indicator. Repeat the procedure without the substance under examination. The difference between the titrations represents the amount of ferrous ammonium sulphate required. 1 ml of 0.1 M ferrous ammonium sulphate is equivalent to 0.000675 g of cellulose. Storage. Store protected from light and moisture - 75 - PURIFIED WATER H2 O Protocol: I.P. Mol. Wt. 18.0 Purified Water is prepared by distillation, by means of ion exchange or by any other appropriate means from suitable potable water that complies with all relevant statutory regulations. During production and subsequent storage, it is recommended that adequate measures are taken to ensure that the microbial quality is controlled and monitored. Appropriate alert and action limits are set so as to detect adverse trends. Under controlled conditions, an appropriate action limit is a total viable count (2.2.9) of 100 microorganisms per ml, determined by membrane filtration. In addition, the test for oxidisable substances (given below) is carried out. The adequacy of these measures may be determined by carrying out the test for conductivity (2.4.9) off-line or in-line. Description. A clear, colourless liquid; odourless and tasteless. Tests Acidity or alkalinity. To 10 ml, freshly boiled and cooled in a borosilicate glass flask, add 0.05 ml of methyl red solution; the resulting solution is not red. To 10 ml add 0.1 ml of bromothymol blue solution; the resulting solution is not blue. Ammonium. To 20 ml add 1 ml of alkaline potassium mercuriiodide solution, and allow to stand for 5 minutes. When viewed vertically the solution is not more intensely coloured than a solution prepared at the same time by adding 1 ml of alkaline potassium mercuri-iodide solution to a mixture of 4.0 ml of ammonium standard solution (1 ppm NH4) and 16.0 ml of ammonia-free water (0.2 ppm). Calcium and magnesium. To 100 ml add 2 ml of ammonia buffer pH 10.0, 50 mg of mordant black II mixture and 0.5 ml of 0.01 M disodium edetate; a pure blue colour is produced. Heavy metals (2.3.13). Evaporate 150 ml to 15 ml on a water bath; 12 ml of the solution complies with the limit test for heavy metals, Method D (0.1 ppm). Use lead standard solution (1 ppm Pb) to prepare the standard. Chlorides (2.3.12). To 10 ml add 1 ml of 2 M nitric acid and 0.2 ml of 0.1 M silver nitrate; the appearance of the solution does not change for at least 15 minutes. - 76 - Nitrates. To 5 ml in a test-tube immersed in ice add 0.4 ml of a 10 per cent w/v solution of potassium chloride, 0.1 ml of diphenylamine solution and, drop wise with shaking, 5 ml of sulphuric acid. Transfer the tube to a water-bath at 50° and allow to stand for 15 minutes. Any blue colour in the solution is not more intense than that in a solution prepared at the same time and in the same manner using a mixture of 4.5 ml of nitrate-free water and 0.5 ml of nitrate standard solution (2 ppm NO3) (0.2 ppm). Sulphates (2.3.17). To 10 ml add 0.1 ml of 2 M hydrochloric acid and 0.1 ml of barium chloride solution. The appearance of the solution does not change for at least 1 hour. Oxidisable substances. To 100 ml add 10 ml of 1 M sulphuric acid and 0.1 ml of 0.02 M potassium permanganate and boil for 5 minutes; the solution remains faintly pink. Residue on evaporation. Evaporate 100 ml to dryness on a water-bath and dry to constant weight at 105°. The residue weighs not more than 1 mg (0.001 per cent). Purified Water intended for use in the manufacture of dialysis solutions and also without a further procedure for the removal of bacterial endotoxins complies with the following additional requirements. Aluminium (2.3.8). Not more than 10 ppb, determined using the following solutions. Test solution. To 400 ml of the water under examination add 10 ml of acetate buffer solution pH 6.0 and 100 ml of distilled water. Reference solution. Mix 2 ml of aluminium standard solution (2 ppm Al), 10 ml of acetate buffer solution pH 6.0 and 98 ml of distilled water. Blank solution. Mix 10 ml of acetate buffer solution pH 6.0 and 100 ml of distilled water. Bacterial endotoxins (2.2.3). Not more than 0.25 Endotoxin Unit per ml. Storage. Store protected from light. - 77 - TALC Protocol: I.P. Purified Talc; Talcum Talc is a powdered, selected natural hydrated magnesium silicate. It may contain varying amounts of aluminium and iron in forms insoluble in 1M sulphuric acid. Description. A white or almost white powder, free from grittiness; readily adheres to the skin; unctuous to the touch; odourless. Identification A. When examined microscopically, shows irregular plates, the majority less than 50 μm in length. The particles are not notably stained by a 0.1 per cent w/v solution of Methylene blue in ethanol (95 per cent). B. Melt 0.5 g in a metal crucible with 1 g of potassium nitrate and 3 g of anhydrous sodium carbonate, add 20 ml of boiling water, mix and filter. Wash the residue with 50 ml of water. Mix the residue with a mixture of 0.5 ml of hydrochloric acid and 5 ml of water and filter. To the filtrate add 1 ml of 9 M ammonia and 1 ml of ammonium chloride solution and filter. To the filtrate add 1 ml of disodium hydrogen phosphate solution; a white, crystalline precipitate is produced. C. Gives the reaction of silicates (2.3.1). Tests Acidity or alkalinity. Shake 5.0 g with 25 ml of carbon dioxide free water for 1 minute, filter and add to the filtrate 0.5 ml of bromothymol blue solution; the solution is not acid and requires not more than 0.3 ml of 0.1 M hydrochloric acid to make it acid. Iron (2.3.14). Boil 4.0 g with 25 ml of water for 30 minutes, replacing the water lost by evaporation, and filter. The filtrate, after the addition of 5 ml of nitric acid, complies with the limit test for iron (10 ppm). Acid-soluble substances. Not more than 2.0 per cent, determined by the following method. Digest 2.0 g with 40 ml of dilute hydrochloric acid for 15 minutes, filter, evaporate the filtrate; to the residue add 0.1 ml of sulphuric acid and ignite to constant weight. Water-soluble substances. Shake 5.0 g with 25 ml of water for 1 minute, filter, evaporate the filtrate and dry to constant weight; the residue weighs not more than 10 mg. - 78 - Carbonates. To 1 g add 20 ml of dilute hydrochloric acid; no effervescence is produced. Chlorides (2.3.12). Suspend 2.0 g in 10 ml of water, add 10 ml of 2 M nitric acid, shake for 15 minutes and filter. 10 ml of the filtrate complies with the limit test for chlorides (250 ppm). Organic compounds. The residue obtained in the test for Loss on drying is not more than slightly yellow or grey. Loss on drying (2.4.19). Not more than 1.0 per cent, determined on 1.0 g by drying in an oven at 180º for 1 hour. Storage. Store protected from moisture. - 79 - SODIUM STARCH GLYCOLLATE Protocol: I.P. Sodium Carboxymethyl Starch Sodium Starch Glycollate is the sodium salt of a poly-aglucopyranose in which some of the hydroxyl groups are in the form of carboxymethyl ether. Sodium Starch Glycollate contains not less than 2.8 per cent and not more than 4.5 per cent of sodium, Na, calculated on the material washed with Ethanol (95 per cent) and dried as described under Assay. Description. A very fine, white or off-white, free-flowing powder; odourless or almost odourless. Identification A. Determine by infrared absorption spectrophotometry (2.4.6). Compare the spectrum with that obtained with sodium starch glycollate RS or with the reference spectrum of sodium starch glycollate. B. To 5 ml of a 2 per cent w/v dispersion in water add 0.05 ml of 0.005 M iodine; a dark blue colour is produced. C. The solution obtained in the test for Heavy metals gives the reactions of sodium salts (2.3.1). Tests pH (2.4.24). 5.5 to 7.5, determined in a 2.0 per cent w/v dispersion in carbon dioxide-free water. Heavy metals (2.3.13). To 4.0 g in a silica or platinum dish add 2 ml of a 50 per cent w/v solution of sulphuric acid, heat in a water-bath and then cautiously over a flame at about 600º. Continue heating until all black particles have disappeared, allow to cool, add 0.1 ml of 1 M sulphuric acid, heat to ignition once again and allow to cool. Add 0.1 ml of 2 M ammonium carbonate, evaporate to dryness and cautiously ignite. To the residue add 5 ml of hydrochloric acid, evaporate to dryness on a water-bath and dissolve the residue in 100 ml of water. 25 ml of a solution complies with the limit test for heavy metals, Method A (20 ppm). Iron (2.3.14). 50 ml of the solution obtained in the test for Heavy metals complies with the limit test for iron (20 ppm). Sodium Chloride. Not more than 10.0 per cent, determined by the following method. To 1.0 g add 20.0 ml of 0.1 M silver nitrate and 30 ml of nitric acid and boil carefully for 30 minutes. - 80 - Cool and add a sufficient volume of a saturated solution of potassium permanganate to change the colour of the solution to red. Discharge the colour by the dropwise addition of hydrogen peroxide solution (10 vol), add 3 ml of dibutyl phthalate and titrate with 0.1 M ammonium thiocyanate using ferric ammonium sulphate solution as indicator, shaking vigorously after each addition of titrant. Carry out a blank titration. 1 ml of 0.1 M silver nitrate is equivalent to 0.005844 g of NaCl. Sodium glycollate. To 0.2 g add 5 ml of glacial acetic acid, mix well and add 5 ml of water, stirring occasionally until solution is complete. Slowly add 50 ml of acetone with stirring and then add 1 g of sodium chloride. Filter, wash the residue with acetone and dilute the filtrate to 100 ml with acetone. Transfer 2 ml of this solution to an open flask, heat on a water bath for exactly 20 minutes, cool, add 5 ml of naphthalenediol reagent and mix thoroughly. Add a further 15 ml of the same reagent, mix, cover the flask with aluminium foil and heat on a water-bath for 20 minutes. Cool and dilute to 25 ml with sulphuric acid. The absorbance (2.4.7) of the resulting solution at the maximum at about 540 nm using water as the blank, is not more than that of a solution prepared in the following manner. To 5 ml of a 0.062 per cent w/v solution of glycolic acid, previously dried at a pressure not exceeding 2 kPa for 16 hours, add 5 ml of glacial acetic acid, dilute to 100 ml with acetone and complete the procedure described above beginning at the words “Transfer 2 ml....” (2.0 per cent). Microbial Contamination (2.2.9). 1.0 g is free from Escherichia coli and Salmonellae. Loss on drying (2.4.19). Not more than 10.0 per cent, determined on 0.5 g by drying in an oven at 105º. Assay. Weigh accurately about 4.0 g, add 350 ml of a mixture of 4 volumes of ethanol (95 per cent) and 1 volume of water, add 0.25 ml of phenolphthalein solution and mix. Add 1 M sodium hydroxide dropwise until the colour of the suspension becomes faintly pink, shake for 30 minutes and decant through a sintered glass crucible. Repeat the extraction three times, or until a test for chloride ions is negative. Transfer the bulk of the residue to the crucible, wash the residue with ethanol (95 per cent) and dry at 110º to constant weight. Weigh accurately 0.5 g of the residue, add 80 ml of anhydrous glacial acetic acid, heat under a reflux condenser for 2 hours, cool. Titrate with 0.1 M perchloric acid, determining the end-point potentiometrically (2.4.25). 1 ml of 0.1 M perchloric acid is equivalent to 0.0023 g of Na. Storage. Store protected from light and moisture. - 81 - COLLOIDAL SILICON DIOXIDE Protocol: I.P. Colloidal Anhydrous Silica SiO2 Mol. Wt. 60.1 Colloidal Silicon Dioxide is a submicroscopic fumed silica prepared by the vapour-phase hydrolysis of a silicon compound. Colloidal Silicon Dioxide contains not less than 99.0 per cent and not more than 100.5 per cent of SiO2, calculated on the ignite basis. Description. A light, fine, white, amorphous powder. It has a particle size of about 15 nm. Identification About 20 mg gives the reaction of silicates (2.3.1). Tests pH (2.4.24). 3.5 to 5.5, determined in a suspension of 1.0 g in 30 ml of carbon dioxide-free water. Arsenic (2.3.10). To 2.5 g contained in a round-bottomed flask add 50 ml of 3 M hydrochloric acid and heat under a reflux condenser for 30 minutes. Cool, filter with the aid of suction and transfer the filtrate to a 100-ml volumetric flask. Wash the filter with several portions of hot water and add the washings to the volumetric flask. Cool, dilute to volume with water and mix. To 50.0 ml of the solution add 3 ml of hydrochloric acid; the resulting solution complies with the limit test for arsenic (8 ppm). Heavy metals (2.3.13). Suspend 2.5 g in sufficient water to produce a semifluid slurry and dry at 140º. When the dried substance is white, break up the mass using a glass rod, add 25 ml of 1 M hydrochloric acid, boil gently for 5 minutes, stirring frequently with the glass rod, centrifuge for 20 minutes and filter the supernatant liquid through a membrane filter. To the residue in the centrifuge tube add 3 ml of 2 M hydrochloric acid and 9 ml of water, boil, centrifuge for 20 minutes and filter the supernatant liquid through the same membrane filter. Wash the residue with small quantities of water, combine the filtrates and washings and dilute to 50.0 ml with water. To 20.0 ml of the solution add 50 mg of L-ascorbic acid and 1 ml of strong ammonia solution, neutralise with 2 M ammonia and dilute to 25 ml with water. 12 ml of the solution complies with the limit test for heavy metals, Method D (25 ppm). Use lead standard solution (1 ppm Pb) to prepare the standard. Chlorides (2.3.12). To 1.0 g add a mixture of 20 ml of 2 M nitric acid and 30 ml of water, heat on a water-bath for 15 minutes, shaking frequently, dilute to - 82 - 50 ml with water if necessary, filter and cool. The filtrate complies with the limit test for chlorides (250 ppm). Loss on ignition (2.4.20). Not more than 5.0 per cent, determined on 0.2 g by igniting at 900º in a platinum crucible for 2 hours. Assay. To the residue obtained in the test for Loss on ignition add 0.2 ml of sulphuric acid and sufficient ethanol (95 percent) to moisten the residue completely, add 6 ml of hydrofluoric acid and evaporate to dryness on a hot plate at 95º to 105º, avoiding loss from sputtering. Wash the sides of the dish with 6 ml of hydrofluoric acid, evaporate to dryness in a well-ventilated hood, ignite at 1000º, allow to cool in a desiccator and weigh. The difference between the weight of the final residue and that of the residue obtained in the test for Loss on ignition represents the amount of SiO2 in the amount of the substance taken for the test for Loss on ignition. Storage. Store protected from light. - 83 - TITANIUM DIOXIDE TiO2 Protocol: I.P. Mol. Wt. 79.9 Titanium Dioxide contains not less than 98.0 per cent and not more than 100.5 per cent of TiO2. Description. A white or almost white, infusible powder; odourless. Identification A. When strongly heated it becomes pale yellow; the colour is discharged on cooling. B. To 0.5 g add 5 g of anhydrous sodium sulphate and 10 ml of water and mix. Add 10 ml of sulphuric acid and boil gently until clear; cool, add slowly 30 ml of a 25 per cent v/v solution of sulphuric acid and dilute with water to 100 ml (solution A). To 5 ml of solution A add 0.1 ml of strong hydrogen peroxide solution; an orange-red colour is produced. C. To 5 ml of solution A add 0.5 g of zinc, in granules; after 45 minutes a violet-blue colour is produced. Tests Appearance of solution. Solution A is not more opalescent than opalescence standard OS2 (2.4.1), and colourless (2.4.1). Acidity or alkalinity. Shake 5.0 g with 50 ml of carbon dioxide free water for 5 minutes and centrifuge until a clear solution is obtained. To 10 ml of the solution add 0.1 ml of bromothymol blue solution. Not more than 1.0 ml of either 0.01 M hydrochloric acid or 0.01 M sodium hydroxide is required to change the colour of the solution. Water-soluble substances. Not more than 0.5 per cent, determined by the following method. Boil 10.0 g for 5 minutes with 150 ml of water containing 0.5 g of ammonium sulphate. Cool, dilute to 200 ml with water and filter until a clear solution is obtained. Evaporate 100 ml of the filtrate to dryness ignite and weigh. Arsenic (2.3.10). To 0.2 g in a 100-ml Kjeldahl flask add 2 g of anhydrous sodium sulphate, 7 ml of sulphuric acid and 5 ml of nitric acid. Heat gently until a clear solution is obtained, cool, add 10 ml of water, cool again and add 5 g of hydrazine reducing mixture and 10 ml of hydrochloric acid. Immediately attach an air condenser and distil - 84 - into 15 ml of cooled water until a total volume of 30 ml is obtained. Rinse the condenser with 5 ml of water and dilute the combined distillate and rinsings to 40 ml with water. 20 ml of the resulting solution complies with the limit test for arsenic. Use a mixture of 0.5 ml of arsenic standard solution (1 ppm As) and 24.5 ml of water to prepare the standard (5 ppm). Barium. Shake 20.0 g with 30 ml of hydrochloric acid, add 100 ml of distilled water and boil. Filter while hot through a hardened filter paper until a clear filtrate is obtained. Wash the filter with 60 ml of distilled water and dilute the combined filtrate and washings to 200 ml with distilled water. To 10 ml of this solution add 1 ml of 1 M sulphuric acid. After 30 minutes any opalescence is not more intense than that of a mixture of 10 ml of the test solution and 1 ml of distilled water. Heavy metals (2.3.13). Dilute 10 ml of the solution prepared in the test for Barium to 20 ml with water. 12 ml of the solution complies with the limit test for heavy metals, Method D (20 ppm). Iron. To 8 ml of solution A add 4 ml of water, mix and add 0.05 ml of bromine water, allow to stand for 5 minutes, remove the excess of bromine with a current of air and add 3 ml of potassium thiocyanate solution. Any colour in the solution is not more intense than that in a standard prepared at the same time and in the same manner using a mixture of 4 ml of iron standard solution (2 ppm Fe) and 8 ml of a 20 per cent w/v solution of sulphuric acid (200 ppm). Assay. Weigh accurately about 0.5 g, transfer to a 300-ml Kjeldahl flask, add 5 g of anhydrous sodium sulphate and 10 ml of water, mix and add 10 ml of sulphuric acid. Boil gently until clear, cool, add slowly 40 ml of cooled sulphuric acid (25 per cent), cool again and dilute with water to 100.0 ml (solution B). To 300 g of zinc, in granules, add 300 ml of a 2 per cent w/v solution of mercuric nitrate and 2 ml of nitric acid, shake for 10 minutes and wash with water. Pack the zinc amalgam into a glass tube (400 mm x 20 mm) fitted with a tap and a filter plate. Pass through the column, at a rate of about 3 ml per minute, 100 ml of 1 M sulphuric acid followed by 100 ml of water, ensuring that the amalgam is covered withliquid throughout. Pass slowly through the column, at a rate of about 3 ml per minute, 200 ml of 0.5 M sulphuric acid followed by 100 ml of water. Collect the combined eluates in a 500-ml conical flask containing 50 ml of a 15 per cent w/v solution of ferric ammonium sulphate in sulphuric acid (25 per cent) and titrate immediately with 0.1 M ceric ammonium nitrate using ferroin solution as indicator until a greenish colour is obtained (n1 ml). Pass slowly through the column 100 ml of 0.5 M sulphuric acid followed by 20.0 ml of solution B, wash with 100 ml of 0.5 M sulphuric acid followed by 100 ml of water. Collect the combined eluates in a 500-ml conical flask containing 50 ml of a 15 per cent w/v solution of ferric ammonium sulphate in sulphuric acid (25 - 85 - per cent), rinse the lower end of the column with water and titrate immediately with 0.1 M ceric ammonium nitrate using ferroin solution as indicator until a greenish colour is obtained (n2 ml). Calculate the percentage content of TiO2 from the expression 3.99(n2 - n1)/w Where, w is the weight, in g, of the substance under examination used in the preparation of solution A. Storage. Store protected from moisture. Avoid contact with aluminium. - 86 - HYDROXYPROPYLMETHYLCELLULOSE Protocol: I.P. Cellulose, 2-Hydroxypropylmethyl Ether; Hypromellose Hydroxypropylmethylcellulose is a cellulose having some of the hydroxyl groups in the form of the methyl ether and some in the form of the 2hydroxypropyl ether. The various grades commercially available are distinguished by a number indicative of the apparent viscosity in millipascal seconds of a 2 per cent w/v solution measured at 20°. Description. A white or yellowish white, fibrous or granular powder; almost odourless; hygroscopic after drying. Identification A. With constant stirring add a quantity containing 1 g of the dried substance into 50 ml of carbon dioxide-free water previously heated to 90°. Allow to cool, dilute to 100 ml with carbon dioxide-free water and continue stirring until solution is complete (solution A). Heat 10 ml of solution A in a water bath with stirring. At temperatures above 50° the solution becomes cloudy or a flocculent precipitate is formed. On cooling, the solution becomes clear or slightly opalescent. B. To 10 ml of solution A add 10 ml of 1 M sodium hydroxide or 1 M hydrochloric acid; in either case the mixture remains stable. C. To 10 ml of solution A add 0.3 ml of 2 M acetic acid and 2.5 ml of a 10 per cent w/v solution of tannic acid; a yellowish white, flocculent precipitate is produced which dissolves in 6 M ammonia. D. Without heating completely dissolve 0.2 g in 15 ml of a 70 per cent w/w solution of sulphuric acid, pour the solution with stirring into 100 ml of iced water. In a test-tube kept in ice, mix thoroughly 1 ml of the solution with 8 ml of sulphuric acid, added dropwise. Heat in a water-bath for exactly 3 minutes and cool immediately in ice. When the mixture is cool, carefully add 0.6 ml of a solution containing 3 g of ninhydrin in 100 ml of a 4.55 per cent w/v solution of sodium metabisulphite, mix well and allow to stand at 25°; a pink colour is produced immediately which becomes violet within 100 minutes. E. Place 1 ml of solution A on a glass plate. After evaporation of the water a thin film is produced. Tests - 87 - pH (2.4.24). 5.5 to 8.0, determined in solution A. Appearance of solution. Solution A is not more opalescent than opalescence standard OS3 (2.4.1), and not more intensely coloured than reference solution YS6 (2.4.1). Apparent viscosity. 75 to 140 per cent of the stated value, determined by the following method. Weigh accurately a quantity equivalent to 2.0 g of the dried substance and add, with constant stirring, to 50 ml of water previously heated to 90°. Allow to cool, dilute to 100 ml with water and continue stirring until solution is complete. Adjust the weight of the solution to 100 g and centrifuge the solution to expel any trapped air. Determine the viscosity, Method C, at 20° using a shear rate of 10 s-1 (2.4.28). Heavy metals (2.3.12). 1.0 g complies with the limit test for heavy metals, Method B (20 ppm). Chlorides (2.3.12). Dilute 5.0 ml of solution A to 15 ml with water. The resulting solution complies with the limit test for chlorides (0.5 per cent). Sulphated ash (2.3.18). Not more than 3.0 per cent. Loss on drying (2.4.19). Not more than 10.0 per cent, determined on 0.5 g by drying in an oven at 105°. Storage. Store protected from moisture. Labelling. The label states the apparent viscosity in millipascal seconds of a 2 per cent w/v solution. - 88 - POVIDONE Protocol: I.P. Polyvinylpyrrolidone; Polyvidone (C6H9NO)n Mol. Wt. (111.2)n Povidone is poly(2-oxopyrrolidin-1-ylethylene) and consists of linear polymers of 1-vinylpyrrolidin-2-one. The different types of Povidone are characterised by their viscosity in solution, expressed as K-value, in the range 10 to 95. Povidone with a nominal K-value of 15 or less has a K-value of not less than 85.0 per cent and not more than 115.0 per cent of the declared value. The Kvalue of povidone with a nominal K-value of more than 15, or a nominal Kvalue range with an average of more than 15, is not less than 90.0 per cent and not more than 107.0 per cent of the declared value or of the average of the declared range. It contains not less than 11.5 per cent and not more than 12.8 per cent of nitrogen, N, calculated on the anhydrous basis. Description. A white or yellowish white powder or flakes; odourless or almost odourless; hygroscopic. Identification Test A may be omitted if tests B, C and D are carried out. Tests B and C may be omitted if tests A and D are carried out. A. Determine by infrared absorption spectrophotometry (2.4.6). Compare the spectrum with that obtained with povidone RS. B. Add 2.5 g in small portions to a suitable volume of carbon dioxide-free water, stirring with a magnetic stirrer, and dilute to 25 ml with the same solvent (solution A). To 0.4 ml of solution A add 10 ml of water, 5 ml of 2 M hydrochloric acid and 2 ml of potassium dichromate solution; an orange-yellow precipitate is produced. - 89 - C. To 1 ml of solution A add 0.2 ml of dimethylaminobenzaldehyde reagent and 0.1 ml of sulphuric acid; a pink colour is produced. D. To 0.1 ml of solution A add 5 ml of water and 0.2 ml of 0.05 M iodine; a red colour is produced. Tests Appearance of solution. Solution A is clear (2.4.1), and not more intensely coloured than reference solution BS6 or BYS6 (2.4.1). Heavy metals. Mix 2.0 g with 0.5 g of magnesium oxide in a silica crucible. Ignite to dull red heat until a homogeneous white or greyish white mass is produced. Heat at 800º for about 1 hour, dissolve the residue using two quantities, each of 5 ml, of 5 M hydrochloric acid, add 0.1 ml of phenolphthalein solution and strong ammonia solution until a pink colour is produced. Cool, add glacial acetic acid until the solution is decolorised and add a further 0.5 ml. Filter if necessary and dilute the solution to 20 ml with water. To 12 ml of the resulting solution add 2 ml of acetate buffer pH 3.5, mix, add 1.2 ml of thioacetamide reagent, mix immediately and allow to stand for 2 minutes. Any brown colour produced is not more intense than that obtained by treating in the same manner a mixture of 2 ml of the test solution obtained above and 10 ml of the 20 ml of solution obtained by repeating the procedure using 2 ml of lead standard solution (10 ppm Pb) in place of the substance under examination, adding 0.5 g of magnesium oxide in a silica crucible and continuing as described above beginning at the words “Ignite to dull red heat....” (10 ppm). Aldehydes. Boil 20.0 g in 180 ml of a 25 per cent v/v solution of sulphuric acid in a ground-glass-stoppered flask under a reflux condenser for 45 minutes and allow to cool. Fit a distillation head, distil and collect 60 ml of the distillate in 20 ml of a 7.0 per cent w/v solution of hydroxylamine hydrochloride, previously adjusted to pH 3.1 using 1 M sodium hydroxide, and cooled in ice. Titrate with 0.1 M sodium hydroxide to pH 3.1. Carry out a blank titration. Not more than 9.1 ml of 0.1 M sodium hydroxide is required (0.2 per cent, calculated as acetaldehyde, C2H4O). Vinylpyrrolidone. Dissolve 10.0 g in 80 ml of water and add 1 g of sodium acetate. Titrate with 0.05 M iodine until a persistent colour is obtained and add a further 3.0 ml of the iodine solution. Allow to stand for 10 minutes and titrate the excess of iodine with 0.1 M sodium thiosulphate using 3 ml of starch solution, added towards the end of the titration, as indicator. Repeat the operation without the substance under examination using the same total volume of 0.05M iodine. The difference between the titrations represents the amount of iodine consumed by the vinylpyrrolidone monomer that may be present. Not more than 3.6 ml of 0.05 M iodine is required (0.2 per cent). - 90 - Sulphated ash (2.3.18). Not more than 0.1 per cent. Water (2.3.43). Not more than 5.0 per cent determined on 0.5 g. K-value. For Povidone with a stated K-value of 18 or less, prepare a 5.0 per cent w/v solution. For Povidone with a declared K-value of more than 18, prepare a 1.0 per cent w/v solution. Allow the solution to stand for 1 hour and carry out Method B for the determination of viscosity (2.4.28), at 25º ± 0.2º using a size no. 1 viscometer with a minimum flow time of 100 seconds. Calculate the K-value (Ko) from the expression where c is the percentage concentration w/v of the substance under examination, calculated on the anhydrous basis, and z is the viscosity of the solution relative to that of water. Nitrogen (2.3.30). Follow Method C, using 0.3 g, accurately weighed and 11 ml of nitrogen-free sulphuric acid. For complete destruction of organic matter repeat the addition of hydrogen peroxide (10 vol) (usually 3 to 6 times) until a clear, light-green solution is obtained, then heat for a further 4 hours. Storage. Store protected from moisture. Labelling. The label states the viscosity in terms of a K-value or K-range. - 91 - METHYLENE CHLORIDE Protocol: B.P. (Methylene Chloride, Ph Eur monograph 0932) CH2Cl2 84.9 75-09-02 Action and use Pharmaceutical aid. DEFINITION Methylene chloride is dichloromethane. It may contain not more than 2.0 per cent V/V of ethanol and/or not more than 0.03 per cent V/V of 2-methylbut-2ene as stabiliser. CHARACTERS A clear, colourless, volatile liquid, sparingly soluble in water, miscible with alcohol. IDENTIFICATION First identification Second identification B, C. A, D, E. A. It complies with the test for relative density (see Tests). B. It complies with the test for refractive index (see Tests). C. Examine the chromatograms obtained in the test for ethanol, 2methylbut-2-ene and other related substances. The retention time and size of the principal peak in the chromatogram obtained with test solution (b) are approximately the same as those of the principal peak in the chromatogram obtained with reference solution (a). D. Heat 2 ml with 2 g of potassium hydroxide R and 20 ml of alcohol R under a reflux condenser for 30 min. Allow to cool. Add 15 ml of dilute sulphuric acid R and filter. To 1 ml of the filtrate add 1 ml of a 15 g/l solution of chromotropic acid, sodium salt R, 2 ml of water R and 8 ml of sulphuric acid R. A violet colour is produced. E. 2 ml of the filtrate obtained in identification test D gives reaction (a) of chlorides (2.3.1). - 92 - TESTS Appearance It is clear (2.2.1) and colourless (2.2.2, Method II). Acidity To 50 ml of methanol R previously neutralised to 0.1 ml of bromothymol blue solution R1, add 50 g of the substance to be examined. Not more than 0.15 ml of 0.1 M sodium hydroxide is required to change the colour of the indicator to blue. Relative density (2.2.5) 1.320 to 1.332. Refractive index (2.2.6) 1.423 to 1.425. Ethanol, 2-methylbut-2-ene and other related substances Examine by gas chromatography (2.2.28). Test solution (a) The substance to be examined. Test solution (b) Dilute 0.5 ml of test solution (a) to 100.0 ml with water R. Reference solution (a) with water R. Dilute 0.5 ml of methylene chloride CRS to 100.0 ml Reference solution (b) R. Dilute 2.0 ml of test solution (b) to 10.0 ml with water Reference solution (c) To 20.0 ml of ethanol R, add 0.3 ml of 2-methylbut-2ene R and dilute to 100.0 ml with test solution (a). Dilute 1.0 ml of the solution to 10.0 ml with test solution (a). Reference solution (d) Dilute 0.1 ml of methanol R and 0.1 ml of methylene chloride CRS to 100.0 ml with water R. The chromatographic procedure may be carried out using: —a glass column 2 m long and 2 mm in internal diameter, packed with ethylvinylbenzene-divinylbenzene copolymer R (136 µm to 173 µm), - 93 - —nitrogen for chromatography R as the carrier gas at a flow rate of 30 ml/min, —a flame-ionisation detector, maintaining the temperature of the column at 90 °C until injection, then raising the temperature at a rate of 4 °C per minute to 190 °C and maintaining at 190 °C for 15 min and maintaining the temperature of the injection port and the detector at 240 °C. Inject 1 µl of reference solution (d). If a recorder is used, adjust the sensitivity of the detector such that the height of the peak due to methanol is not less than 25 per cent of the full scale of the recorder. The test is not valid unless: in the chromatogram obtained with reference solution (d), the resolution between the peaks corresponding to methanol and methylene chloride is at least 3.0. Inject twice 2 µl of reference solution (c). If the peaks obtained show an area difference greater than 1.0 per cent, verify the repeatability by making four separate injections of reference solution (c); the test is not valid unless the relative standard deviation of the peak area is not more than 5.0 per cent. Inject 2 µl of test solution (a), 2 µl of reference solution (b) and 2 µl of reference solution (c). In the chromatogram obtained with test solution (a): the areas of any peaks corresponding to ethanol and 2-methylbut-2-ene respectively are not greater than the difference between the areas of the peaks due to ethanol and 2-methylbut-2-ene in the chromatogram obtained with reference solution (c) and those of the peaks due to ethanol and 2-methylbut-2ene in the chromatogram obtained with test solution (a) (2.0 per cent and 0.03 per cent, respectively). In the chromatogram obtained with test solution (a), the sum of the areas of any peaks apart from the principal peak and any peaks due to ethanol and 2methylbut-2-ene, is not greater than the area of the principal peak in the chromatogram obtained with reference solution (b) (0.1 per cent). Free chlorine Place 5 ml in a ground-glass-stoppered tube. Add 5 ml of a 100 g/l solution of potassium iodide R and 0.2 g of soluble starch R. Shake for 30 s and allow to stand for 5 min. No blue colour develops. Heavy metals (2.4.8) Evaporate 25.0 g to dryness on a water-bath. Allow to cool. Add 1 ml of hydrochloric acid R and evaporate again. Dissolve the residue in 1 ml of acetic - 94 - acid R and dilute to 25 ml with water R. 12 ml of the solution complies with limit test A for heavy metals (1 ppm). Prepare the standard using 10 ml of lead standard solution (1 ppm Pb) R. Residue on evaporation Evaporate 50.0 g to dryness on a water-bath and dry at 100 °C to 105 °C for 30 min. The residue weighs not more than 1 mg (20 ppm). Water (2.5.12) Not more than 0.05 per cent m/m, determined on 10.00 g by the semi-micro determination of water. STORAGE Store in an airtight container , protected from light. LABELLING The label states the name and the concentration of any stabilisers. IMPURITIES A. carbon tetrachloride, B. chloroform, C. ethanol, D. methanol, E. 2-methylbut-2-ene. - 95 - ISOPROPYL ALCOHOL Protocol: I.P. 2-Propanol; Propan-2-ol C3H8O Mol. Wt. 60.1 Isopropyl Alcohol is propan-2-ol. Description. A clear, colourless liquid; odour, characteristic and spirituous; flammable. Identification A. Mix 1 ml of a 10 per cent v/v solution with 2 ml of mercuric sulphate solution and heat just to boiling; a white or yellowish white precipitate is produced. B. Gently heat 1 ml with 4 ml of dilute potassium dichromate solution and 1 ml of sulphuric acid; acetone, recognisable by its odour, is evolved. Tests Acidity or alkalinity. Gently boil 25 ml for 5 minutes with 25 ml of carbon dioxide-free water and cool, taking precautions to exclude carbon dioxide. Not more than 0.06 ml of 0.1 M sodium hydroxide is required to make the resulting solution alkaline to phenolphthalein solution. Distillation range (2.4.8). Not less than 95.0 per cent v/v distils between 81° and 83°. Refractive index (2.4.27). 1.377 to 1.378, determined at 20°. Weight per ml (2.4.29). 0.782 g to 0.786 g, determined at 20°. Aldehydes and ketones. Mix in a cylinder 25 ml with 25 ml of water and 50 ml of hydroxylamine solution, allow to stand for 5 minutes and titrate with 0.1 M sodium hydroxide until the colour is the same as that of a mixture of 50 ml of hydroxylamine solution and 50 ml of water contained in a similar cylinder, - 96 - each being viewed down the vertical axis of the cylinder. Not more than 2.0 ml of 0.1 M sodium hydroxide is required. Benzene and related substances. Determine by gas chromatography (2.4.13). Test solution. The substance under examination. Reference solution (a). A 0.1 per cent v/v solution of 2- butanol reagent in the substance under examination. Reference solution (b). A solution containing 0.1 per cent v/v of each of 2butanol reagent and 1-propanol in the substance under examination. Reference solution (c). A 0.0002 per cent v/v solution of benzene in the substance under examination. Chromatographic system – a glass column 1.8 m x 2 mm, packed with acid-washed diatomaceous support (80 to 100 mesh) coated with 15 per cent w/w of polyethylene glycol 400, – temperature: column.50°, inlet port.150°, – flow rate. 30 ml per minute of the carrier gas, – flame ionisation detector at 200°. Inject separately 2 μl of each of the test solution and reference solution (a). The chromatogram obtained with the test solution shows no peak with retention time similar to the peak due to 2butanol (retention time relative to isopropyl alcohol, about 1.5) obtained with solution (2). Inject 2 μl of reference solution (b) and adjust the sensitivity of the system so that the heights of the peaks due to 2-butanol and 1-propanol in the chromatogram obtained with reference solution (b) are not less than 50 per cent of the full scale of the recorder. The test is not valid unless the resolution between the peaks due to 2- butanol and 1-propanol in the chromatogram obtained with reference solution (b) is at least 1.2. Inject alternately 2 μl each of the test solution and reference solution (c). The area of any peak due to benzene in the chromatogram obtained with the test solution is not greater than the difference between the area of the peak due to benzene in the chromatogram obtained with reference solution (c) and that of the peak due to benzene in the chromatogram obtained with the test solution. In the chromatogram obtained with reference solution (a) the sum of areas of any peaks other than the principal peak and the peaks due to 2-butanol is not greater than 3 times the area of the peak due to 2-butanol (0.3 per cent). Non-volatile matter. Not more than 0.002 per cent w/v, determined by evaporating 100 ml on a water-bath and drying the residue at 105°. - 97 - Water-insoluble matter. Mix 1 volume with 19 volumes of water; no opalescence is produced. Water (2.3.43). Not more than 0.5 per cent, determined on 5 g. - 98 - 8. Control of the Finished Pharmaceutical Products 1. Specifications for the Finished Pharmaceutical Product ➢ Copy of the FPP specification ➢List of tests and limits for result of the FPP SPECIFICATION FOR ATORMICK-10 TABLETS (Atorvastatin Tablets IP 10 mg) Sr. No. 1 Test Performed Specification Description 2 Identification 3 4 5 Wt. of 20 tablets Average weight Uniformity of weight White coloured, round shaped, biconvex, film coated tablet plain on both side In the Assay, the principal peak in the chromatogram obtained with the test solution corresponds to the peak in the chromatogram obtained with the reference solution. NLT 3.340 gms, NMT 3.900 gms NLT 0.1670 gms, NMT 0.1950 gms ± 7.5 % 6 7 8 9 10 Thickness Diameter Hardness Disintegration time Dissolution 11 12 Related substances Assay Each film coated tablet contains: Atorvastatin calcium Equivalent to Atorvastatin 10 mg 3.40 mm ± 0.3 mm 8.0 mm ± 0.3 mm NLT 3.0 kg/cm2 NMT 30 minutes Not less than 75 percent of the stated amount of C66H68 F2N4O10 Complies as per IP Limit: (NLT 90.0% & NMT 110.0%) 9.0 mg to 11.0 mg - 99 - 2. Analytical Procedures ➢ Analytical test procedure and methods ATORMICK-10 Tablets (Atorvastatin Tablets IP 10 mg) Protocol: I.P. Description: White coloured, round shaped, biconvex, film coated tablet plain on both side Composition: Each film coated tablet contains: Atorvastatin calcium Equivalent to Atorvastatin 10 mg Content of Atorvastatin, C66H68 F2N4O10: Atorvastatin Tablets contain not less than 90.0 percent and not more than 110.0 percent of the stated amount of Atorvastatin, (C66H68 F2N4O10). Average weight / Uniformity of weights: Weight 20 tablets selected at random and calculate the average weight .Not more than two of the individual weights deviate from the average weight by more than the percentage ± 5, and none deviates by more than twice that percentage. 1. (Upper weight —Average weight) X 100 ------------------------------------------------Average weight = 2. (Lower weight — Average weight) X 100 ------------------------------------------------Average weight = + deviation in % — deviation in % Disintegration time: Not more than 30 minutes. Method: This test determines whether tablet disintegrate within a prescribed time when placed in liquid medium. - 100 - Introduce one tablet into each of six tubes of the basket, add a disc to each tube and suspend the assembly in the beaker containing water maintained at 37 + 2C, operate the apparatus for 30 minutes left the basket out of water and observe. The tablet passes the test if all of them are disintegrated, i.e. in all the tubes no part of the tablet is left. If 1 or 2 tablets fail to disintegrate completely, repeat the test on 12 additional tablets, not less than 16 of the total of 18 tablets tested should disintegrate completely. Identification In the Assay, the principal peak in the chromatogram obtained with the test solution corresponds to the peak in the chromatogram obtained with the reference solution. Tests Dissolution (2.5.2) Apparatus: 1 Medium: 900 ml of phosphate buffer pH 6.8 Speed and time: 75 rpm for 30 minutes Test Solution. Use the filterate, diluted if necessary, with the dissolution medium Reference Soultion. Weigh a suitable quantity of atorvastatin calcium RS and dissolve in sufficient methanol to produce a solution containing 0.088 percent w/v of Atorvastatin. Dilute 10.0 ml of the resulting solution to 100.0 ml with the medium Use the chromatographic system described under the assay Inject reference solution. The test is not valid unless the column efficiency is not less than 7000 theoretical plates and tailing factor is not more than 1.5 and the relative standard deviation for replicate injections is not more than 2.0 percent Clculate the content of C66H68 F2N4O10 D.Not less than 70 percent of the stated amount of C66H68 F2N4O10 Related Substances. Determine by liquid chromatography (2.4.14) Solvent mixture. A mixture of 40 volumes of acetonitrile and 60 volume of the buffer solution - 101 - Test Solution. Weigh accurately a quantity of the powdered tablets containing 50 mg of atorvastatin, disperse in 10 ml of methanol add 20 mlof solvent mixture, disperse with the aid of ultrasound, if required, and dilute to 100 ml with the solvent mixture and filter Reference Soultion. (a). Weigh accurately a suitable quantity of atorvastatin calcium RS, dissolve in 5 ml of methanol and dilute to 50 ml with the solvent mixture to produce 0.05 percent of Atorvastatin. Reference Soultion. (b). Dilute 1 ml of reference solution (a) to 100 ml with the solvent mixture Chromagrahic system - a stainless steel column 25 cm x 4.6 mm, packed with octadecylsilane bonded to porous silica (5 µm) - Mobile phase: A. a mixture of 92.5 volumes of Acetonitrile and 7.5 volume tetrahydrofuran. B. a mixture of 58 volumes of a buffer solution prepared by dissolving 5.75 g of ammonium dihydrogen orthophosphate in 1000 ml of water and 42 volumes of mobile phase A C. a mixture of 20 volumes of the buffer solution 20 volumes of mobile phase A and 60 volumes of methanol - a linear gradient porgramme using the condition given below - spectrophotometer set at 246 mm - 20µl loop injector - injection delay 10 minutes Time Flow rate (in min.) 0 20 35 40 55 60 (ml per min.) 1.8 1.8 1.5 1.5 1.5 1.8 Mobile Phase B (percent v/v) 100 100 25 25 0 100 Mobile Phase C (percent v/v) 0 0 75 75 100 0 Inject reference solution (a). The test is not valid unless the column efficiency is not less than 10000 theoretical plates and tailing factor is not more than 1.5 Inject alternatively the test solution and reference solution (b).In the chromatogram obtained with test solution, the area of any secondary peak is - 102 - not more than the area of the peak in the chromatogram obtained with the reference solution (b) (1.0 percent) and the sum of the area of all the secondary peaks is not more than 4 times the area of the peak in the chromatogram obtained with the reference solution (b) (4.0 percent) Ignor any peak with an area less than 0.05 times the area of the peak obtained with the reference solution (b) (0.05 percent) Assay. Determine by liquid chromatography (2.4.14) Solvent mixture. A solution prepared by dissolving 6.8 g of potassium dihydrogen orthophosphate and 0.9 g of sodium hydroxide in 1000 ml of water and adjusting the pH to 6.8 with phosphoric acid or sodium hydroxide Test Solution. Weigh and powder 20 tablets.Weigh accurately a quantity of the powdered tablets containing about 80 mg of atorvastatin and disperse in sufficient methanol to produce a solution containing 0.016 percent w/v of Atorvastatin, disperse with the aid of ultrasound, if required, and filter. Dilute the filterate with sufficientof the solvent mixture to produce a solution containing 0.008 percent w/v of Atorvastatin Reference Soultion. Weigh accurately a suitable quantity of atorvastatin calcium RS, dissolve in sufficient methanol to produce a solution containing 0.008 percent w/v of Atorvastatin. To 5 ml of this solution, add 20 ml of methanol and dilute to 50 ml with the solvent mixture to produce a solution containing 0.08 percent w/v of Atorvastatin Chromagrahic system - a stainless steel column 25 cm x 4.6 mm, packed with octadecylsilane bonded to porous silica (5 µm) - Mobile phase: a mixture of 50 volumes of a buffer solution prepared by dissolving 1.54 g of ammonium acetate in 1000 ml of water and adjusting the pH to 4.0 with glacial acetic acid and 50 volumes of a mixture of 92.5 volumes of Acetonitrile and 7.5 volume tetrahydrofuran. - flow rate 2.0 ml per minute - spectrophotometer set at 246 mm - a 20µl loop injector Inject reference solution. The test is not valid unless the column efficiency is not less than 7000 theoretical plates and tailing factor is not more than 1.5 and the relative standard deviation for replicate injections is not more than 1.0 percent Inject alternatively the test solution and reference solution Clculate the content of C66H68 F2N4O10 in the tablets - 103 - Storage.Store protected from moisture at a temperature not exceeding 30° Labelling. The label statesthe strength in terms of the equivalent amount of atorvastatin - 104 - 3. Validation of Analytical Procedures ➢ Required for non-compendial method Analytical method of Atorvastatin tablet is compendial method and described in many Pharmacopoeias viz. (BP. USP. EP. IP etc), the specification of the ATORMICK-10 (Atorvastatin) tablet is as per IP, Hence the method validation is not discussed - 105 - 4. Batch Analysis ➢ Result of the analysis of three batches ➢ Copies of the certificates of analysis for these batches Enclosed - 106 - 9. Container Closure System(s) and Other Packaging ➢ Description of the suitability of the container closure System ➢ Description of container closure system Suitability for the Intended Use Every proposed packaging system should be shown to be suitable for its intended use: it should adequately protect the dosage form; it should be compatible with the dosage form; and it should be composed of materials that are considered safe for use with the dosage form and the route of administration. If the packaging system has a performance feature in addition to containing the product, the assembled container closure system should be shown to function properly. General issues concerning protection, compatibility, safety and performance of packaging components and/or systems are discussed below. In this guidance, component functionality and drug delivery will also be addressed in connection with specific dosage forms and routes of administration. Table 1 Examples of packaging Concerns for Common Classes of Drug Products Degree of Concern Associated with the Route of Administration Likelihood of Packaging Component-Dosage Form Interaction Highest Inhalation Aerosols and Solutions; Injections and Injectable Suspensionsa High Medium Sterile Powders and Powders for Injection; Inhalation Powders - 107 - Low High Ophthalmic Solutions and Suspensions; Transdermal Ointments and Patches; Nasal Aerosols and Sprays Low Topical Solutions and Suspensions; Topical and Lingual Aerosols; Oral Solutions and Suspensions Topical Powders; Oral powders Oral Tablets and Oral (Hard and Soft Gelatin) Capsules a For the purposes of this table, the term sterile powder for injection is used mean a after constituting with Sterile water for injection or any other suitable diluents it can be administered in the pharmaceutical sense. A) Protection Container closure system should provide the dosage form with adequate protection from factors (e.g., temperature, light) that can cause degradation in the quality of that dosage form over its shelf life. Common causes of such degradation are: exposure to light, loss of solvent, exposure to reactive gases (e.g., oxygen), absorption of water vapor, and microbial contamination. A drug product can also suffer an unacceptable loss in quality if it is contaminated by filth. Atorvastatin tablet is packed in Alu-Alu strip of aluminium foil to protect the quality of the dosage form. B) Compatibility Packaging components aluminium foil and Rigid PVC film does not interact sufficiently to cause unacceptable changes in the quality of the dosage form. Examples of interactions include loss of potency due to absorption or adsorption of the active drug substance, or degradation of the active drug substance induced by a chemical entity leached from a packaging component; - 108 - reduction in the concentration of an excipient due to absorption, adsorption or leachable-induced degradation; precipitation; changes in drug product pH; discoloration of either the dosage form or the packaging component; or increase in brittleness of the packaging component. Some interactions between a packaging component and dosage form will be detected during qualification studies on the container closure system and its components. Others may not show up except in the stability studies. Therefore, any change noted during a stability study that may be attributable to interaction between the dosage form and a packaging component should be investigated and appropriate action taken, regardless of whether the stability study is being conducted for an original application, a supplemental application, or as fulfillment of a commitment to conduct post approval stability studies. Atorvastatin tablet is packed in Alu-Alu strip of aluminium foil is checked for its stability during its shelf life. On the basis of Stability studies report the drug is found stable and does interacted with drug component. No potency loss & colour changes were observed during storage. C) Safety Packaging components should be constructed of materials that will not leach harmful or undesirable amounts of substances to which a patient will be exposed when being treated with the drug product. This consideration is especially important for those packaging components which may be in direct contact with the dosage form, but it is also applicable to any component from which substances may migrate into the dosage form (e.g., an ink or adhesive). Making the determination that a material of construction used in the manufacture of a packaging component is safe for its intended use is not a simple process, and a standardized approach has not been established. There is, however, a body of experience which supports the use of certain approaches that depend on the route of administration and the likelihood of interactions between the component and the dosage form (see Table 1). The approach for toxicological evaluation of the safety of extractables should be based on good scientific principles and take into account the specific container closure system, drug product formulation, dosage form, route of administration, and dose regimen (chronic or short-term dosing). For drug products that undergo clinical trials, the absence of adverse reactions traceable to the packaging components is considered supporting evidence of material safety. - 109 - Based upon above conducted tests, Atorvastatin tablet is found to be safe and non toxic on storage in Alu-Alu packing D) Performance Performance of the container closure system refers to its ability to function in the manner for which it was designed. A container closure system is often called upon to do more than simply contain the dosage form. When evaluating performance, two major considerations are container closure system functionality and drug delivery. Container Closure System Functionality The container closure system may be designed to improve patient compliance. Drug Delivery Drug delivery refers to the ability of the packaging system to deliver the dosage form in the amount or at the rate described in the package insert. Some examples of a packaging system for which drug delivery aspects are relevant are a prefilled syringe, a transdermal patch, a metered tube, a dropper or spray bottle, a dry powder inhaler, and a metered dose inhaler. Container closure system functionality and/or drug delivery are compromised when the packaging system fails to operate as designed. Failure can result from misuse, faulty design, manufacturing defect, improper assembly, or wear and tear during use. Tests and acceptance criteria regarding dosage form delivery and container closure system functionality should be appropriate to the particular dosage form, route of administration, and design features. E) Summary Table 2 summarizes typical packaging suitability considerations for common classes of drug products. Table 2 Typical Suitability Considerations for Common Classes of Drug Products (This table is a general guide, and is not comprehensive) Route of Administration/ Dosage Form SUITABILITYa Protection Compatibility - 110 - Safety Performance/Drug Delivery Inhalation Aerosols and Solutions, Nasal Sprays L, S, M, W, G Case 1c Case 1s Case 1d Inhalation Powders L, W, M Case 3 c case 5s Case 1d Injections, Injectable Suspensionsb L, S, M, G Case 1c Case 2s Case 2d Sterile Powders and Powders for Injection L, M, W Case 2c Case 2s Case 2d Ophthalmic Solutions and Suspensions L, S, M, G Case 1c Case 2s Case 2d Topical Delivery Systems L, S Case 1c Case 3s Case 1d Topical Solutions and Suspensions, and Topical and Lingual Aerosols L, S, M Case 1c Case 3s Case 2d Topical Powders L, M, W Case 3c Case 4s Case 3d Oral Solutions and Suspensions L, S, M Case 1c Case 3s Case 2d Oral Powders L, W Case 2c Case 3s Case 3d Oral Tablets and Oral (Hard and Soft Gelatin) Capsules L, W Case 3c Case 4s Case 3d * If there is a special performance function built into the drug product it is of importance for any dosage form/route of administration to show that the container closure system performs that function properly. Explanation of Codes in Table 2: Protection: L (protects from light, if appropriate) S (protects from solvent loss/leakage) M (protects sterile products or those with microbial limits from microbial contamination) - 111 - W (protects from water vapor, if appropriate) G (protects from reactive gases, if appropriate) Compatibility: Case 1c: Liquid-based dosage form that conceivably could interact with its container closure system components (see examples described in section III.B.1) Case 2c: Solid dosage form until reconstituted; greatest chance for interacting with its container closure system components occurs after it is reconstituted. Case 3c: Solid dosage form with low likelihood of interacting with its container closure system components. Safety: Case 1s: Typically provided are USP Biological Reactivity Test data, extraction/toxicological evaluation, limits on extractables, and batch-to-batch monitoring of extractables. Case 2s: Typically provided are USP Biological Reactivity Test data and possibly extraction/toxicological evaluation. Case 3s: Typically, an appropriate reference to the indirect food additive regulations is sufficient for drug products with aqueous-based solvents. Drug products with non-aqueous based solvent systems or aqueous based systems containing co-solvents generally require additional suitability information (see section III.F). Case 4s: Typically, an appropriate reference to the indirect food additive regulations is sufficient. Case 5s: Typically, an appropriate reference to the indirect food additive regulations for all components except the mouthpiece for which USP Biological Reactivity Test data is provided. Performance: Case 1d: Frequently a consideration Case 2d: May be a consideration Case 3d: Rarely a consideration Atorvastatin tablet is packed in Alu-Alu strip of aluminium foil. There was no interaction between Primary Packing material and drug product, which ensured the safety of aluminium foil and Rigid PVC film as primary packaging material. - 112 - Both the Primary and Secondary Packaging materials are duly tested as per the following Specifications in Quality Control Laboratory & only those complying with the set In – House specifications are used. Packaging material is routinely studied for Compatibility and Stability and the results have indicated that there is no interaction between Primary Packaging Material and the Drug Product. - 113 - ➢ Primary packaging components specification and test methods Packaging: (a) Type of package, its shape, size, color: 1 x 10 Tablets in Alu-Alu pack 10 x 10 Tablets strip in cardboard carton (b) Nature of packaging material: Atorvastatin Tablets are to be packed in 1x 10 Tablets in Alu-Alu pack and then Such 10 x 10 strip packed in a unit cartons With an insert. These cartons are to be packed in a shipper carton depending on the type of packing details. All the boxes are sealed within the shipper with a poly lining, which protects the cartons from humidity and other damages. The shipper cartons are made of export worthy material and are sealed with a BOPP tape. (c) Pack size: Stage Packing Description 1 1 x 10 Tablets in Alu-Alu pack 2 10 x 10 Tablets strip in cardboard carton - 114 - TECHNICAL SPECIFICATION FOR PACKING MATERIAL NAME: ALU-ALU FOIL SPECIFICATION: IN HOUSE Sr. No. 1 Test Performed Specification Description Silver coloured alu-alu foil. 2 Material Aluminium 3 Width in (mm) 115 mm 4 Thickness in (mm) 132 mm. ± 5 mm 5 grammage (g/m2) 250 GSM ± 5% 6 Pin Holes Should be absent. ٭GRAMMAGE: Bet. 65 gm/m2 to 75 gm/m2 Cut and perfect square piece of 5cm *5cm and weigh . Calculate as per the Grams per sq. meter Wt. In mg x 100 x100 . L in cm x B in cm x1000 Cut this test on 10 sample foil individually. The test passes as per specification with tolerance of ±10% Note it in the report sheet. - 115 - TECHNICAL SPECIFICATION FOR PACKING MATERIAL NAME: ALUMINIUM FOIL SPECIFICATION: IN HOUSE Sr. No. 1 Test Performed 2 3 4 5 Description i) Appearance ii) Print colour Width egammarG ٭ Thickness Printed Matter 6 7 8 Pinhole Test Ink Lifting Test Suitability 9 Defects 10 Supply 11 Storage 12 Toxicity Specification Thick aluminum alloy soft temper foil with bright finish with specimen colour printing 115 mm Bet. 65 gm/m2 to 75 gm/m2 Bet. 0.025 mm to 0.0275 mm To comply as per approved specimen, should be sharp & readable Should be absent Should be Satisfactory 1.Winding of rolls should not be loose or telescopic. 2.Rolls should be free from dents, creasing/wrinkles and damaged/collapsed core 3.Ink used for printing should be HR grade & withstand temp. up to 180°C, there should not be lifting or fading of ink during Strip sealing Sample size of 5% rolls to be inspected at random for corroded or oxidized surface, improper coating, and improper winding & incorrect diameter of roll. Rolls should be individually wrapped in polythene film followed by brawn paper. Rolls should properly label with item name, quantity & supplied by. Store in air-conditioned room at temp. 20-30°C & RH 45-65%. It is Food Grade. It is non toxic ٭GRAMMAGE: Bet. 65 gm/m2 to 75 gm/m2 Cut and perfect square piece of 5cm *5cm and weigh . Calculate as per the Grams per sq. meter Wt. In mg x 100 x100 . L in cm x B in cm x1000 Cut this test on 10 sample foil individually. The test passes as per specification with tolerance of ±10% Note it in the report sheet. - 116 - TECHNICAL SPECIFICATION FOR PACKING MATERIAL NAME: CARTON SPECIFICATION: IN HOUSE Sr. No. 1. Test Performed 3 Description i) Color ii) Shape iii) Material of Construction Dimension: (Outer) i) Length ii) Breadth iii) Height iv) Grammage Printed Matter 4 Suitability 5 Supply 6 Storage 2. Specification As per artwork / standard. Rectangular, top opening, reverse tuck Printed / unprinted, art card. 120.0 mm ± 2 mm 115.0 mm ± 2 mm 90.0 mm ± 2 mm 330.0 gsm 10% Sharp & elegant as per artwork The inks used for printing should be scuff-proof and rub resistant. Cartons should pass the test when checked on scuff-proof tester. Banded in bundles of 100nos. and such 10 bundles wrapped in brown paper clearly marked with item name, quantity & supplied by. Material should be stored in clean, dry warehouse. - 117 - TECHNICAL SPECIFICATION FOR PACKING MATERIAL NAME: PACKAGING INSERTS SPECIFICATION: IN HOUSE Sr. No. 1. Test Performed Specification Description Packaging inserts printed in black ink as per approved text. 2. Dimension: 175 x 100 ± 2 mm 3. Grammage 50 ± 10% GSM 4 5 Material Supply 6 Storage Map litho paper 1000 nos. should be packed in brawn paper, properly labeled with item name, quantity & supplied by. Material should be stored in clean, dry warehouse. - 118 - TECHNICAL SPECIFICATION FOR PACKING MATERIAL NAME: CORRUGATED BOX (SHIPPER) SPECIFICATION: IN HOUSE Sr. No. 1. 2. Test Performed Description Specification 7 Ply Brown color corrugated box having printed with black color. 3. Dimension: i) Length ii) Breadth iii) Height egammarG ٭ 490 mm ± 1mm 460 mm ± 1mm 295 mm ± 1 mm 160 .02 GSM Outer 4. Text Matter Clear & readable 5. Cleanliness check Cleanliness ok. 6. Foldlines /flaps Working proper 7. Bursting strength kg/cm ٭GRAMMAGE: Select one corrugated boxes cut and perfect square piece of 12cm *12cm approximately ,and dip in a hot water bath for several hours till the ply ‘s are separated .Then dry in a oven and cut a perfect square of 10cm x 10 cm of each ply in a sequence and weigh . Calculate as per the Grams per sq. meter Wt. In mg x 100 x100 . L in cm x B in cm x1000 The test passes with limits of not less than 100 GSM per each ply. - 119 - TECHNICAL SPECIFICATION FOR PACKING MATERIAL NAME: BOPP TAPE (SELF ADHESIVE TAPE) SPECIFICATION: IN HOUSE Sr. No. 1 2 3 4 Test Performed Specification Transparent self-adhesive BOPP tape printed as per approved text and design in Approved colour. Description Dimension: i) Width ii) Thickness of BOPP iii) Total Thickness Grammage 72 ± 1 mm 25-30 microns 50-55 microns 50 ± 10% Diameter 75 ± 1 mm 5 Core Internal Adhesive 6 Adhesion test 7 Supply 8 Storage Should be uniform, printed surface should pass tape test. Seal the flaps in length on corrugated fiber box the tape using a hand dispenser or manually. Ensure no wrinkles/air bubbles are formed while pasting and proper pressure should be applied. Leave the box for 10minutes and try to separate the tape from the end. Tape should separate with fiber tearing. Supplied in rolls of 65meters packed in a box & clearly marked with item name, quantity & supplied by. Material should be stored in clean, dry warehouse. - 120 - Specimen Label PROPOSED LABEL 1. Immediate label on the smallest Packing unit: (Empty printed carton of the product enclosed) 2. Intermediate Label: (Enclosed) 3. Packing Insert: (Enclosed) - 121 - 10. Stability Testing of the Finished Product ➢ Stability studies report ➢ Methodology of stability studies STABILITY TEST REPORT Product : Atorvastatin Tablets 10 mg Shelf-life : Atorvastatin Tablets 10 mg, packed in Alu-Alu strip of 10 X 10 tablets are stable at least 2 years from the date of manufacture. Proposed expiry : 2 years Storage : Store protected from light and temperature not exceeding 30°. Stability studies : Accelerated stability study at 40°C & Long term stability study at 30°C are carried out and stability data are attached. Type of Packing : A pack of 10 x 10 tablets Alu-Alu strip in a carton STORAGE CONDITIONS: Accelerated stability studies of the product are kept in humidity chamber At 400 ± 20C/75% ± 5%RH For Long term stability studies are kept in control sample room at At 300 ± 20C/65% ± 5%RH TESTING INTERVALS: The stored samples are withdrawn at predetermined intervals the intervals are as follows: For Accelerated stability study: 0 month, 1 month, 2 months, 3 months & 6 months For Long term stability study: 0 month, 3 months, 6 months, 9 months, 12 months, 18 months & 24 months. - 122 - TESTING SPECIFICATIONS: Sr. No. 1 Test Performed Specification Description 2 Identification White coloured, elongated shaped, film coated tablet having a breakline on one side and plain on other side Positive for Atorvastatin 3 Average weight 181 mg 4 Uniformity of weight ± 7.5 % 5 Dissolution Not less than 75 percent of the stated amount of C66H68 F2N4O10 Complies as per IP 6 7 Related substances Assay Each film coated tablet contains: Atorvastatin calcium Equivalent to Atorvastatin 10 mg General Method of Assay: (Method attached) Limit: (NLT 90.0% & NMT 110.0%) 9.0 mg to 11.0 mg Conditions for normal tests: At 300 ± 20C/65% ± 5%RH CONTROLLED BATCHES: Stability study testing of Atorvastatin Tablets was carried out on 3 batches. Study No. B. No. Mfg. Dt. Exp. Dt. A. MT-1421 04-2014 03-2016 B. MT-1422 04-2014 03-2016 C. MT-1423 04-2014 03-2016 Characteristics of the packaging (container /closure interaction with the product): A pack of 10 x 10 tablets Stability study was conducted in the final packing. - 123 - ➢ A tabulated summary of stability results should be provided. - 124 - QUALITY ASSURANCE DEPARTMENT Long Term Stability Study Storage conditions: Temperature: 30 + 2°C, Relative Humidity: 65 + 5 % Product Name Generic Name Description Batch No. MT-1421 ATORMICK-10 TABLETS Atorvastatin Tablets IP 10 mg White coloured, round shaped,biconvex, film coated tablet plain on both side Batch Size Mfg. Date Exp. Date 1.0 Lac 04.2014 03.2016 Storage Time & test Interval Storage condition Temp. % RH Product Description Up to 24 months and 6 months 300 ± 20C Description: White coloured, round shaped, biconvex, film coated tablet plain on both side Identification: positive for Atorvastatin Average weight: 181.0 mg Uniformity of weight: ±7.5% Dissolution test: NLT 75 %. Related substances: Complies as per IP Assay: NLT 90 % & NMT 110 % 65% ± 5% Sample Quantity 200 Tablets Result of Analysis Initial Test Test date: 14/04/14 Complies After 3 Months Test date: 13/07/14 Complies After 6 Months Test date: 13/10/14 Complies After 9 Months Test date: 13/01/15 Complies After 12 Months Test date: 13/04/15 Complies After 18 Months Test date: 13/10/15 Complies After 24 Months Test date: 13/04/16 Complies Complies Complies Complies Complies Complies Complies Complies 181.4 mg Complies 92.5 % Complies 180.6 mg Complies 92.1 % Complies 183.5 mg Complies 91.8 % Complies 179.8 mg Complies 91.2 % Complies 180.2 mg Complies 90.6 % Complies 182.6 mg Complies 89.7 % Complies 181.8 mg Complies 88.1 % Complies 99.76 % 99.44 % 99.13 % 98.54 % 97.90 % 97.40 % 96.53 % Conclusion: There is no physical and chemical change in the product when stored at 300 ± 20C temperature and 65% ± 5% relative humidity The product is stable for a period of 24 months -----------------------------Checked By ----------------------------- Approved By - 125 - QUALITY ASSURANCE DEPARTMENT Long Term Stability Study Storage conditions: Temperature: 30 + 2°C, Relative Humidity: 65 + 5 % Product Name Generic Name Description Batch No. MT-1422 ATORMICK-10 TABLETS Atorvastatin Tablets IP 10 mg White coloured, round shaped,biconvex, film coated tablet plain on both side Batch Size Mfg. Date Exp. Date 1.0 Lac 04.2014 03.2016 Storage Time & test Interval Storage condition Temp. % RH Product Description Up to 24 months and 6 months 300 ± 20C Description: White coloured, round shaped, biconvex, film coated tablet plain on both side Identification: positive for Atorvastatin Average weight: 181.0 mg Uniformity of weight: ±7.5% Dissolution test: NLT 75 %. Related substances: Complies as per IP Assay: NLT 90 % & NMT 110 % 65% ± 5% Sample Quantity 200 Tablets Result of Analysis Initial Test Test date: 17/04/14 Complies After 3 Months Test date: 16/07/14 Complies After 6 Months Test date: 16/10/14 Complies After 9 Months Test date: 16/01/15 Complies After 12 Months Test date: 16/04/15 Complies After 18 Months Test date: 16/10/15 Complies After 24 Months Test date: 16/04/16 Complies Complies Complies Complies Complies Complies Complies Complies 182.2 mg Complies 92.2 % Complies 183.4 mg Complies 92.1 % Complies 180.5 mg Complies 91.8 % Complies 181.8 mg Complies 91.4 % Complies 179.2 mg Complies 90.6 % Complies 183.2 mg Complies 90.1 % Complies 182.4 mg Complies 89.2 % Complies 99.77 % 99.52 % 99.19 % 98.58 % 97.90 % 97.34 % 96.41 % Conclusion: There is no physical and chemical change in the product when stored at 300 ± 20C temperature and 65% ± 5% relative humidity The product is stable for a period of 24 months -----------------------------Checked By ----------------------------- Approved By - 126 - QUALITY ASSURANCE DEPARTMENT Long Term Stability Study Storage conditions: Temperature: 30 + 2°C, Relative Humidity: 65 + 5 % Product Name Generic Name Description Batch No. MT-1423 ATORMICK-10 TABLETS Atorvastatin Tablets IP 10 mg White coloured, round shaped,biconvex, film coated tablet plain on both side Batch Size Mfg. Date Exp. Date 1.0 Lac 04.2014 03.2016 Storage Time & test Interval Storage condition Temp. % RH Product Description Up to 24 months and 6 months 300 ± 20C Description: White coloured, round shaped, biconvex, film coated tablet plain on both side Identification: positive for Atorvastatin Average weight: 181.0 mg Uniformity of weight: ±7.5% Dissolution test: NLT 75 %. Related substances: Complies as per IP Assay: NLT 90 % & NMT 110 % 65% ± 5% Sample Quantity 200 Tablets Result of Analysis Initial Test Test date: 18/04/14 Complies After 3 Months Test date: 17/07/14 Complies After 6 Months Test date: 17/10/14 Complies After 9 Months Test date: 17/01/15 Complies After 12 Months Test date: 17/04/15 Complies After 18 Months Test date: 17/10/15 Complies After 24 Months Test date: 17/04/16 Complies Complies Complies Complies Complies Complies Complies Complies 182.4 mg Complies 92.2 % Complies 180.6 mg Complies 92.1 % Complies 179.5 mg Complies 91.7 % Complies 184.3 mg Complies 91.2 % Complies 182.0 mg Complies 90.5 % Complies 181.6 mg Complies 89.6 % Complies 182.6 mg Complies 88.3 % Complies 99.76 % 99.42 % 99.16 % 98.60 % 97.84 % 97.43 % 96.34 % Conclusion: There is no physical and chemical change in the product when stored at 300 ± 20C temperature and 65% ± 5% relative humidity The product is stable for a period of 24 months -----------------------------Checked By ----------------------------- Approved By - 127 - Real time stability study Report ATORMICK-10 TABLETS The stability study were carried out with three batches at temperature 300 ± 20C and RH 65% ± 5% in 10 x 10 Tablets Alu-Alu packing. The same were tested initially and continued up to 24 months at every 3 & 6 months interval Observation: The test result obtained from batches at the above mentioned condition and stability program are as follow: (a) No change in appearance of tablets (b) The contents of active ingredients are well with in limit (c) Identification complies with test of specification (d) No interaction of the immediate pack with the pharmaceutical dosage form is found during the study, proving that the Alu-Alu packing is suitable for the product Conclusion: The product maintains its good appearance, strength and quality, There for the product is accepted to be stable for a period of 24 months storage condition stated in carton is followed Compiled by: ______________ Name Designation Checked by: ________________ Name Designation - 128 - Approved by: _______________ Name Designation QUALITY ASSURANCE DEPARTMENT Accelerated Stability Study Storage conditions: Temperature: 40 + 2°C, Relative Humidity: 75 + 5 % Product Name Generic Name Description Batch No. MT-1421 Storage Time & test Interval Up to 6 months and 1 months Storage condition Temp. % RH 400 ± 75% 0 2C ± 5% ATORMICK-10 TABLETS Atorvastatin Tablets IP 10 mg White coloured, round shaped,biconvex, film coated tablet plain on both side Batch Size Mfg. Date Exp. Date Sample Quantity 1.0 Lac 04.2014 03.2016 100 Tablets Product Description Result of Analysis Description: White coloured, round shaped,biconvex, film coated tablet plain on both side Identification: positive for Atorvastatin Average weight: 181.0 mg Uniformity of weight: ±7.5% Dissolution test: NLT 75 %. Related substances: Complies as per IP Assay: NLT 90 % & NMT 110 % Initial Test Test date: 14/04/14 Complies After 1 Months Test date: 13/05/14 Complies After 2 Months Test date: 13/06/14 Complies After 3 Months Test date: 13/07/14 Complies After 6 Months Test date: 13/10/14 Complies Complies Complies Complies Complies Complies 181.4 mg Complies 92.5 % Complies 179.8 mg Complies 92.2 % Complies 182.6 mg Complies 91.7 % Complies 181.2 mg Complies 91.1 % Complies 182.8 mg Complies 90.4 % Complies 99.76 % 99.51 % 98.64 % 98.04 % 97.32 % Conclusion: There is no physical and chemical change in the product when stored at 400 ± 20C temperature and 75% ± 5% relative humidity -----------------------------Checked By ----------------------------- Approved By - 129 - QUALITY ASSURANCE DEPARTMENT Accelerated Stability Study Storage conditions: Temperature: 40 + 2°C, Relative Humidity: 75 + 5 % Product Name Generic Name Description Batch No. MT-1422 Storage Time & test Interval Up to 6 months and 1 months Storage condition Temp. % RH 400 ± 75% 0 2C ± 5% ATORMICK-10 TABLETS Atorvastatin Tablets IP 10 mg White coloured, round shaped,biconvex, film coated tablet plain on both side Batch Size Mfg. Date Exp. Date Sample Quantity 1.0 Lac 04.2014 03.2016 100 Tablets Product Description Result of Analysis Description: White coloured, round shaped,biconvex, film coated tablet plain on both side Identification: positive for Atorvastatin Average weight: 181.0 mg Uniformity of weight: ±7.5% Dissolution test: NLT 75 %. Related substances: Complies as per IP Assay: NLT 90 % & NMT 110 % Initial Test Test date: 17/04/14 Complies After 1 Months Test date: 16/05/14 Complies After 2 Months Test date: 16/06/14 Complies After 3 Months Test date: 16/07/14 Complies After 6 Months Test date: 16/10/14 Complies Complies Complies Complies Complies Complies 182.2 mg Complies 92.2 % Complies 182.2 mg Complies 92.0 % Complies 181.4 mg Complies 91.6 % Complies 183.2 mg Complies 91.0 % Complies 182.6 mg Complies 90.2 % Complies 99.77 % 99.42 % 98.61 % 97.91 % 97.17 % Conclusion: There is no physical and chemical change in the product when stored at 400 ± 20C temperature and 75% ± 5% relative humidity -----------------------------Checked By ----------------------------- Approved By - 130 - QUALITY ASSURANCE DEPARTMENT Accelerated Stability Study Storage conditions: Temperature: 40 + 2°C, Relative Humidity: 75 + 5 % Product Name Generic Name Description Batch No. MT-1423 Storage Time & test Interval Up to 6 months and 1 months Storage condition Temp. % RH 400 ± 75% 0 2C ± 5% ATORMICK-10 TABLETS Atorvastatin Tablets IP 10 mg White coloured, round shaped,biconvex, film coated tablet plain on both side Batch Size Mfg. Date Exp. Date Sample Quantity 1.0 Lac 04.2014 03.2016 100 Tablets Product Description Result of Analysis Description: White coloured, round shaped,biconvex, film coated tablet plain on both side Identification: positive for Atorvastatin Average weight: 181.0 mg Uniformity of weight: ±7.5% Dissolution test: NLT 75 %. Related substances: Complies as per IP Assay: NLT 90 % & NMT 110 % Initial Test Test date: 18/04/14 Complies After 1 Months Test date: 17/05/14 Complies After 2 Months Test date: 17/06/14 Complies After 3 Months Test date: 17/07/14 Complies After 6 Months Test date: 17/10/14 Complies Complies Complies Complies Complies Complies 182.4 mg Complies 92.2 % Complies 182.4 mg Complies 92.0 % Complies 181.2 mg Complies 91.7 % Complies 183.4 mg Complies 91.2 % Complies 183.0 mg Complies 90.2 % Complies 99.76 % 99.40 % 98.56 % 97.81 % 97.11 % Conclusion: There is no physical and chemical change in the product when stored at 400 ± 20C temperature and 75% ± 5% relative humidity -----------------------------Checked By ----------------------------- Approved By - 131 - Accelerated stability study Report ATORMICK-10 TABLETS The stability study were carried out with three batches at temperature 400 ± 20C and RH 75% ± 5% in 10 x 10 Tablets Alu-Alu packing. The same were tested initially and continued up to 6 months at every 1 & 3 months interval Observation: The test result obtained from batches at the above mentioned condition and stability program are as follow: (a) No change in appearance of tablets (b) The contents of active ingredients are well with in limit (c) Identification complies with test of specification (d) No interaction of the immediate pack with the pharmaceutical dosage form is found during the study, proving that the Alu-Alu packing is suitable for the product Conclusion: The product maintains its good appearance, strength and quality, There for the product is accepted to be stable for a period of 24 months storage condition stated in carton is followed Compiled by: ______________ Name Designation Checked by: ________________ Name Designation - 132 - Approved by: _______________ Name Designation 11. Other data, if any SPC (Summary of Product Characteristics) 1. Name of the medicinal product ATORMICK-10 (Atorvastatin) Tablets 2. Qualitative and quantitative composition Each Film Coated Tablet Contains: Atorvastatin calcium IP Equivalent to Atorvastatin 10 mg 3. Pharmaceutical form Film-coated tablets for oral administration 4. Clinical particulars 4.1 Therapeutic indications Hypercholesterolaemia Atorvastatin is indicated as an adjunct to diet for reduction of elevated total cholesterol (total-C), LDL-cholesterol (LDL-C), apolipoprotein B, and triglycerides in adults, adolescents and children aged 10 years or older with primary hypercholesterolaemia including familial hypercholesterolaemia (heterozygous variant) or combined (mixed) hyperlipidaemia (Corresponding to Types IIa and IIb of the Fredrickson classification) when response to diet and other nonpharmacological measures is inadequate. Atorvastatin is also indicated to reduce total-C and LDL-C in adults with homozygous familial hypercholesterolaemia as an adjunct to other lipidlowering treatments (e.g. LDL apheresis) or if such treatments are unavailable. Prevention of cardiovascular disease Prevention of cardiovascular events in adult patients estimated to have a high risk for a first cardiovascular event (see section 5.1), as an adjunct to correction of other risk factors. - 133 - 4.2 Posology and method of administration Posology The patient should be placed on a standard cholesterol-lowering diet before receiving Atorvastatin and should continue on this diet during treatment with Atorvastatin. The dose should be individualised according to baseline LDL-C levels, the goal of therapy, and patient response. The usual starting dose is 10 mg once a day. Adjustment of dose should be made at intervals of 4 weeks or more. The maximum dose is 80 mg once a day. Primary hypercholesterolaemia and combined (mixed) hyperlipidaemia The majority of patients are controlled with Atorvastatin 10 mg once a day. A therapeutic response is evident within 2 weeks, and the maximum therapeutic response is usually achieved within 4 weeks. The response is maintained during chronic therapy. Heterozygous familial hypercholesterolaemia Patients should be started with Atorvastatin 10 mg daily. Doses should be individualised and adjusted every 4 weeks to 40 mg daily. Thereafter, either the dose may be increased to a maximum of 80 mg daily or a bile acid sequestrant may be combined with 40 mg atorvastatin once daily. Homozygous familial hypercholesterolaemia Only limited data are available (see section 5.1). The dose of atorvastatin in patients with homozygous familial hypercholesterolemia is 10 to 80 mg daily (see section 5.1). Atorvastatin should be used as an adjunct to other lipid-lowering treatments (e.g. LDL apheresis) in these patients or if such treatments are unavailable. Prevention of cardiovascular disease In the primary prevention trials the dose was 10 mg/day. Higher doses may be necessary in order to attain (LDL-) cholesterol levels according to current guidelines. Patients with renal impairment No adjustment of dose is required (see section 4.4). Patients with hepatic impairment Atorvastatin should be used with caution in patients with hepatic impairment (see sections 4.4 and 5.2). Atorvastatin is contraindicated in patients with active liver disease (see section 4.3). Elderly patients Efficacy and safety in patients older than 70 using recommended doses are similar to those seen in the general population. Paediatric population Hypercholesterolaemia - 134 - Paediatric use should only be carried out by physicians experienced in the treatment of paediatric hyperlipidaemia and patients should be re-evaluated on a regular basis to assess progress. For patients aged 10 years and above, the recommended starting dose of atorvastatin is 10 mg per day with titration up to 20 mg per day. Titration should be conducted according to the individual response and tolerability in paediatric patients. Safety information for paediatric patients treated with doses above 20 mg, corresponding to about 0.5 mg/kg, is limited. There is limited experience in children between 6-10 years of age (see section 5.1). Atorvastatin is not indicated in the treatment of patients below the age of 10 years. Other pharmaceutical forms/strengths may be more appropriate for this population. Method of administration Atorvastatin is for oral administration. Each daily dose of atorvastatin is given all at once and may be given at any time of day with or without food. 4.3 Contraindications Atorvastatin is contraindicated in patients: - with hypersensitivity to the active substance or to any of the excipients listed in section 6.1 - with active liver disease or unexplained persistent elevations of serum transaminases exceeding 3 times the upper limit of normal - during pregnancy, while breast-feeding and in women of child-bearing potential not using appropriate contraceptive measures (see section 4.6) 4.4 Special warnings and precautions for use Liver effects Liver function tests should be performed before the initiation of treatment and periodically thereafter. Patients who develop any signs or symptoms suggestive of liver injury should have liver function tests performed. Patients who develop increased transaminase levels should be monitored until the abnormality(ies) resolve. Should an increase in transaminases of greater than 3 times the upper limit of normal (ULN) persist, reduction of dose or withdrawal of Atorvastatin is recommended (see section 4.8). Atorvastatin should be used with caution in patients who consume substantial quantities of alcohol and/or have a history of liver disease. Stroke Prevention by Aggressive Reduction in Cholesterol Levels (SPARCL) In a post-hoc analysis of stroke subtypes in patients without coronary heart disease (CHD) who had a recent stroke or transient ischemic attack (TIA) there - 135 - was a higher incidence of hemorrhagic stroke in patients initiated on atorvastatin 80 mg compared to placebo. The increased risk was particularly noted in patients with prior hemorrhagic stroke or lacunar infarct at study entry. For patients with prior hemorrhagic stroke or lacunar infarct, the balance of risks and benefits of atorvastatin 80 mg is uncertain, and the potential risk of hemorrhagic stroke should be carefully considered before initiating treatment (see section 5.1). Skeletal muscle effects Atorvastatin, like other HMG-CoA reductase inhibitors, may in rare occasions affect the skeletal muscle and cause myalgia, myositis, and myopathy that may progress to rhabdomyolysis, a potentially life-threatening condition characterised by markedly elevated creatine kinase (CK) levels (> 10 times ULN), myoglobinaemia and myoglobinuria which may lead to renal failure. Before the treatment Atorvastatin should be prescribed with caution in patients with pre-disposing factors for rhabdomyolysis. A CK level should be measured before starting statin treatment in the following situations: - Renal impairment - Hypothyroidism - Personal or familial history of hereditary muscular disorders - Previous history of muscular toxicity with a statin or fibrate - Previous history of liver disease and/or where substantial quantities of alcohol are consumed - In elderly (age > 70 years), the necessity of such measurement should be considered, according to the presence of other predisposing factors for rhabdomyolysis - Situations where an increase in plasma levels may occur, such as interactions (see section 4.5) and special populations including genetic subpopulations (see section 5.2) In such situations, the risk of treatment should be considered in relation to possible benefit, and clinical monitoring is recommended. If CK levels are significantly elevated (> 5 times ULN) at baseline, treatment should not be started. Creatine kinase measurement Creatine kinase (CK) should not be measured following strenuous exercise or in the presence of any plausible alternative cause of CK increase as this makes value interpretation difficult. If CK levels are significantly elevated at baseline (> 5 times ULN), levels should be remeasured within 5 to 7 days later to confirm the results. Whilst on treatment - Patients must be asked to promptly report muscle pain, cramps, or weakness especially if accompanied by malaise or fever. - If such symptoms occur whilst a patient is receiving treatment with atorvastatin, their CK levels should be measured. If these levels are found to be significantly elevated (> 5 times ULN), treatment should be stopped. - 136 - - If muscular symptoms are severe and cause daily discomfort, even if the CK levels are elevated to ≤ 5 x ULN, treatment discontinuation should be considered. - If symptoms resolve and CK levels return to normal, then re-introduction of atorvastatin or introduction of an alternative statin may be considered at the lowest dose and with close monitoring. - Atorvastatin must be discontinued if clinically significant elevation of CK levels (> 10 x ULN) occur, or if rhabdomyolysis is diagnosed or suspected. Concomitant treatment with other medicinal products Risk of rhabdomyolysis is increased when atorvastatin is administered concomitantly with certain medicinal products that may increase the plasma concentration of atorvastatin such as potent inhibitors of CYP3A4 or transport proteins (e.g. ciclosporine, telithromycin, clarithromycin, delavirdine, stiripentol, ketoconazole, voriconazole, itraconazole, posaconazole and HIV protease inhibitors including ritonavir, lopinavir, atazanavir, indinavir, darunavir, etc). The risk of myopathy may also be increased with the concomitant use of gemfibrozil and other fibric acid derivates, boceprevir, erythromycin, niacin, ezetimibe, telaprevir, or the combination of tipranavir/ritonavir. If possible, alternative (non-interacting) therapies should be considered instead of these medicinal products. There have been very rare reports of an immune-mediated necrotizing myopathy (IMNM) during or after treatment with some statins. IMNM is clinically characterised by persistent proximal muscle weakness and elevated serum creatine kinase, which persist despite discontinuation of statin treatment. In cases where co-administration of these medicinal products with atorvastatin is necessary, the benefit and the risk of concurrent treatment should be carefully considered. When patients are receiving medicinal products that increase the plasma concentration of atorvastatin, a lower maximum dose of atorvastatin is recommended. In addition, in the case of potent CYP3A4 inhibitors, a lower starting dose of atorvastatin should be considered and appropriate clinical monitoring of these patients is recommended (see section 4.5). The concurrent use of atorvastatin and fusidic acid is not recommended, therefore, temporary suspension of atorvastatin may be considered during fusidic acid therapy (see section 4.5). Paediatric population Developmental safety in the paediatric population has not been established (see section 4.8). Interstitial lung disease Exceptional cases of interstitial lung disease have been reported with some statins, especially with long term therapy (see section 4.8). Presenting features can include dyspnoea, non-productive cough and deterioration in general health - 137 - (fatigue, weight loss and fever). If it is suspected a patient has developed interstitial lung disease, statin therapy should be discontinued. Diabetes Mellitus Some evidence suggests that statins as a class raise blood glucose and in some patients, at high risk of future diabetes, may produce a level of hyperglycaemia where formal diabetes care is appropriate. This risk, however, is outweighed by the reduction in vascular risk with statins and therefore should not be a reason for stopping statin treatment. Patients at risk (fasting glucose 5.6 to 6.9 mmol/L, BMI>30kg/m2, raised triglycerides, hypertension) should be monitored both clinically and biochemically according to national guidelines. 4.5 Interaction with other medicinal products and other forms of interaction Effect of co-administered medicinal products on atorvastatin Atorvastatin is metabolized by cytochrome P450 3A4 (CYP3A4) and is a substrate to transport proteins e.g. the hepatic uptake transporter OATP1B1. Concomitant administration of medicinal products that are inhibitors of CYP3A4 or transport proteins may lead to increased plasma concentrations of atorvastatin and an increased risk of myopathy. The risk might also be increased at concomitant administration of atorvastatin with other medicinal products that have a potential to induce myopathy, such as fibric acid derivates and ezetimibe (see section 4.4). CYP3A4 inhibitors Potent CYP3A4 inhibitors have been shown to lead to markedly increased concentrations of atorvastatin (see Table 1 and specific information below). Co-administration of potent CYP3A4 inhibitors (e.g. ciclosporin, telithromycin, clarithromycin, delavirdine, stiripentol, ketoconazole, voriconazole, itraconazole, posaconazole and HIV protease inhibitors including ritonavir, lopinavir, atazanavir, indinavir, darunavir, etc.) should be avoided if possible. In cases where co-administration of these medicinal products with atorvastatin cannot be avoided lower starting and maximum doses of atorvastatin should be considered and appropriate clinical monitoring of the patient is recommended (see Table 1). Moderate CYP3A4 inhibitors (e.g. erythromycin, diltiazem, verapamil and fluconazole) may increase plasma concentrations of atorvastatin (see Table 1).. An increased risk of myopathy has been observed with the use of erythromycin in combination with statins. Interaction studies evaluating the effects of amiodarone or verapamil on atorvastatin have not been conducted. Both amiodarone and verapamil are known to inhibit CYP3A4 activity and coadministration with atorvastatin may result in increased exposure to atorvastatin. Therefore, a lower maximum dose of atorvastatin should be - 138 - considered and appropriate clinical monitoring of the patient is recommended when concomitantly used with moderate CYP3A4 inhibitors. Appropriate clinical monitoring is recommended after initiation or following dose adjustments of the inhibitor. CYP3A4 inducers Concomitant administration of atorvastatin with inducers of cytochrome P450 3A (e.g. efavirenz, rifampin, St. John's Wort) can lead to variable reductions in plasma concentrations of atorvastatin. Due to the dual interaction mechanism of rifampin, (cytochrome P450 3A induction and inhibition of hepatocyte uptake transporter OATP1B1), simultaneous co-administration of atorvastatin with rifampin is recommended, as delayed administration of atorvastatin after administration of rifampin has been associated with a significant reduction in atorvastatin plasma concentrations. The effect of rifampin on atorvastatin concentrations in hepatocytes is, however, unknown and if concomitant administration cannot be avoided, patients should be carefully monitored for efficacy. Transport protein inhibitors Inhibitors of transport proteins (e.g. ciclosporin) can increase the systemic exposure of atorvastatin (see Table 1). The effect of inhibition of hepatic uptake transporters on atorvastatin concentrations in hepatocytes is unknown. If concomitant administration cannot be avoided, a dose reduction and clinical monitoring for efficacy is recommended (see Table 1). Gemfibrozil / fibric acid derivatives The use of fibrates alone is occasionally associated with muscle related events, including rhabdomyolysis. The risk of these events may be increased with the concomitant use of fibric acid derivatives and atorvastatin. If concomitant administration cannot be avoided, the lowest dose of atorvastatin to achieve the therapeutic objective should be used and the patients should be appropriately monitored (see section 4.4). Ezetimibe The use of ezetimibe alone is associated with muscle related events, including rhabdomyolysis. The risk of these events may therefore be increased with concomitant use of ezetimibe and atorvastatin. Appropriate clinical monitoring of these patients is recommended. Colestipol Plasma concentrations of atorvastatin and its active metabolites were lower (by approx. 25%) when colestipol was co-administered with Atorvastatin. However, lipid effects were greater when Atorvastatin and colestipol were coadministered than when either medicinal product was given alone. Fusidic acid Interaction studies with atorvastatin and fusidic acid have not been conducted. As with other statins, muscle related events, including rhabdomyolysis, have been reported in post-marketing experience with atorvastatin and fusidic acid given concurrently. The mechanism of this interaction is not known. Patients should be closely monitored and temporary suspension of atorvastatin treatment may be appropriate. - 139 - Colchicine Although interaction studies with atorvastatin and colchicine have not been conducted, cases of myopathy have been reported with atorvastatin coadministered with colchicine, and caution should be exercised when prescribing atorvastatin with colchicine. Effect of atorvastatin on co-administered medicinal products Digoxin When multiple doses of digoxin and 10 mg atorvastatin were co-administered, steady-state digoxin concentrations increased slightly. Patients taking digoxin should be monitored appropriately. Oral contraceptives Co-administration of Atorvastatin with an oral contraceptive produced increases in plasma concentrations of norethindrone and ethinyl oestradiol. Warfarin In a clinical study in patients receiving chronic warfarin therapy, coadministration of atorvastatin 80 mg daily with warfarin caused a small decrease of about 1.7 seconds in prothrombin time during the first 4 days of dosing which returned to normal within 15 days of atorvastatin treatment. Although only very rare cases of clinically significant anticoagulant interactions have been reported, prothrombin time should be determined before starting atorvastatin in patients taking coumarin anticoagulants and frequently enough during early therapy to ensure that no significant alteration of prothrombin time occurs. Once a stable prothrombin time has been documented, prothrombin times can be monitored at the intervals usually recommended for patients on coumarin anticoagulants. If the dose of atorvastatin is changed or discontinued, the same procedure should be repeated. Atorvastatin therapy has not been associated with bleeding or with changes in prothrombin time in patients not taking anticoagulants. Paediatric population Drug-drug interaction studies have only been performed in adults. The extent of interactions in the paediatric population is not known. The above mentioned interactions for adults and the warnings in section 4.4 should be taken into account for the paediatric population. Table 1: Effect of co-administered medicinal products on the pharmacokinetics of atorvastatin Co-administered medicinal Atorvastatin product and dosing regimen Dose (mg) Clinical Recommendation# Tipranavir 500 mg BID/ Ritonavir 200 mg BID, 8 days (days 14 to 21) Telaprevir 750 mg q8h, 10 In cases where coadministration with atorvastatin is necessary, do not exceed 10 mg Change in AUC& 40 mg on day 1, 10 mg ↑ 9.4 fold on day 20 ↑ 7.9 fold 20 mg, SD - 140 - days Ciclosporin 5.2 mg/kg/day, 10 mg OD for 28 days stable dose Lopinavir 400 mg BID/ 20 mg OD for 4 days Ritonavir 100 mg BID, 14 days Clarithromycin 500 mg BID, 80 mg OD for 8 days 9 days ↑ 8.7 fold ↑ 5.9 fold ↑ 4.4 fold atorvastatin daily. Clinical monitoring of these patients is recommended In cases where coadministration with atorvastatin is necessary, lower maintenance doses of atorvastatin are recommended. At atorvastatin doses exceeding 20 mg, clinical monitoring of these patients is recommended. In cases where coadministration with atorvastatin is necessary, lower maintenance doses of atorvastatin are recommended. At atorvastatin doses exceeding 40 mg, clinical monitoring of these patients is recommended. Saquinavir 400 mg BID/ Ritonavir (300 mg BID from days 5-7, increased to 400 mg BID on day 8), days 418, 30 min after atorvastatin dosing Darunavir 300 mg BID/ Ritonavir 100 mg BID, 9 days Itraconazole 200 mg OD, 4 days Fosamprenavir 700 mg BID/ Ritonavir 100 mg BID, 14 days Fosamprenavir 1400 mg BID, 14 days Nelfinavir 1250 mg BID, 14 days Grapefruit Juice, 240 mL OD * 40 mg OD for 4 days ↑ 3.9 fold 10 mg OD for 4 days ↑ 3.3 fold 40 mg SD ↑ 3.3 fold 10 mg OD for 4 days ↑ 2.5 fold 10 mg OD for 4 days ↑ 2.3 fold 10 mg OD for 28 days ↑ 1.7 fold^ No specific recommendation 40 mg, SD ↑ 37% Diltiazem 240 mg OD, 28 days 40 mg, SD ↑ 51% Concomitant intake of large quantities of grapefruit juice and atorvastatin is not recommended. After initiation or following dose adjustments of diltiazem, appropriate clinical monitoring of these patients is recommended. Lower maximum dose and clinical monitoring of these patients is recommended. ↑ 33%^ Erythromycin 500 mg QID, 10 mg, SD 7 days - 141 - Amlodipine 10 mg, single dose Cimetidine 300 mg QID, 2 weeks Antacid suspension of magnesium and aluminium hydroxides, 30 mL QID, 2 weeks Efavirenz 600 mg OD, 14 days Rifampin 600 mg OD, 7 days (co-administered) Rifampin 600 mg OD, 5 days (doses separated) ↑ 18% 80 mg, SD 10 mg OD for 2 weeks ↓ less than 1%^ 10 mg OD for 4 weeks ↓ 35%^ ↓ 41% 10 mg for 3 days No specific recommendation. No specific recommendation. No specific recommendation. No specific recommendation. 40 mg SD ↑ 30% If co-administration cannot be avoided, simultaneous coadministration of 40 mg SD ↓ 80% atorvastatin with rifampin is recommended, with clinical monitoring. Gemfibrozil 600 mg BID, 7 40mg SD ↑ 35% Lower starting dose and days clinical monitoring of these patients is recommended. Fenofibrate 160 mg OD, 7 40mg SD ↑ 3% Lower starting dose and days clinical monitoring of these patients is recommended. Boceprevir 800 mg TID, 7 40mg SD ↑ 2.3 fold Lower starting dose and days clinical monitoring of these patients is recommended. The dose of atorvastatin should not exceed a daily dose of 20 mg during coadministration with boceprevir. & Data given as x-fold change represent a simple ratio between coadministration and atorvastatin alone (i.e., 1-fold = no change). Data given as % change represent % difference relative to atorvastatin alone (i.e., 0% = no change). # See sections 4.4 and 4.5 for clinical significance. * Contains one or more components that inhibit CYP3A4 and can increase plasma concentrations of medicinal products metabolized by CYP3A4. Intake of one 240 ml glass of grapefruit juice also resulted in a decreased AUC of 20.4% for the active orthohydroxy metabolite. Large quantities of grapefruit juice (over 1.2 l daily for 5 days) increased AUC of atorvastatin 2.5 fold and AUC of active (atorvastatin and metabolites) HMG-CoA reductase inhibitors 1.3 fold. ^ Total atorvastatin equivalent activity Increase is indicated as “↑”, decrease as “↓” - 142 - OD = once daily; SD = single dose; BID = twice daily; TID = three times daily; QID = four times daily Table 2: Effect of atorvastatin on the pharmacokinetics of co-administered medicinal products Atorvastatin and dosing Co-administered medicinal product regimen Medicinal product/Dose Change in (mg) AUC& 80 mg OD for 10 days Digoxin 0.25 mg OD, 20 ↑ 15% days 40 mg OD for 22 days Clinical Recommendation Patients taking digoxin should be monitored appropriately. No specific recommendation. Oral contraceptive OD, 2 months ↑ 28% - norethindrone 1 mg ↑ 19% -ethinyl estradiol 35 µg 80 mg OD for 15 days * Phenazone, 600 mg SD ↑ 3% No specific recommendation 10 mg, SD Tipranavir 500 mg No change No specific recommendation BID/ritonavir 200 mg BID, 7 days 10 mg, OD for 4 days Fosamprenavir 1400 mg ↓ 27% No specific recommendation BID, 14 days 10 mg OD for 4 days Fosamprenavir 700 mg No change No specific recommendation BID/ritonavir 100 mg BID, 14 days & Data given as % change represent % difference relative to atorvastatin alone (i.e., 0% = no change) * Co-administration of multiple doses of atorvastatin and phenazone showed little or no detectable effect in the clearance of phenazone. Increase is indicated as “↑”, decrease as “↓” OD = once daily; SD = single dose 4.6 Fertility, pregnancy and lactation Women of childbearing potential Women of child-bearing potential should use appropriate contraceptive measures during treatment (see section 4.3). Pregnancy Atorvastatin is contraindicated during pregnancy (see section 4.3). Safety in pregnant women has not been established. No controlled clinical trials with atorvastatin have been conducted in pregnant women. Rare reports of congenital anomalies following intrauterine exposure to HMG-CoA reductase - 143 - inhibitors have been received. Animal studies have shown toxicity to reproduction (see section 5.3). Maternal treatment with atorvastatin may reduce the fetal levels of mevalonate which is a precursor of cholesterol biosynthesis. Atherosclerosis is a chronic process, and ordinarily discontinuation of lipid-lowering medicinal products during pregnancy should have little impact on the long-term risk associated with primary hypercholesterolaemia. For these reasons, Atorvastatin should not be used in women who are pregnant, trying to become pregnant or suspect they are pregnant. Treatment with Atorvastatin should be suspended for the duration of pregnancy or until it has been determined that the woman is not pregnant (see section 4.3.) Breast-feeding It is not known whether atorvastatin or its metabolites are excreted in human milk. In rats, plasma concentrations of atorvastatin and its active metabolites are similar to those in milk (see section 5.3). Because of the potential for serious adverse reactions, women taking Atorvastatin should not breast-feed their infants (see section 4.3). Atorvastatin is contraindicated during breastfeeding (see section 4.3). Fertility In animal studies atorvastatin had no effect on male or female fertility (see section 5.3). 4.7 Effects on ability to drive and use machines Atorvastatin has negligible influence on the ability to drive and use machines. 4.8 Undesirable effects In the atorvastatin placebo-controlled clinical trial database of 16,066 (8755 Lipitor vs. 7311 placebo) patients treated for a mean period of 53 weeks, 5.2% of patients on atorvastatin discontinued due to adverse reactions compared to 4.0% of the patients on placebo. Based on data from clinical studies and extensive post-marketing experience, the following table presents the adverse reaction profile for Atorvastatin. Estimated frequencies of reactions are ranked according to the following convention: common (≥ 1/100, < 1/10); uncommon (≥ 1/1,000, < 1/100); rare (≥ 1/10,000, < 1/1,000); very rare (< 1/10,000), not known (cannot be estimated from the available data). Infections and infestations Common: nasopharyngitis. - 144 - Blood and lymphatic system disorders Rare: thrombocytopenia. Immune system disorders Common: allergic reactions. Very rare: anaphylaxis. Metabolism and nutrition disorders Common: hyperglycaemia. Uncommon: hypoglycaemia, weight gain, anorexia Psychiatric disorders Uncommon: nightmare, insomnia. Nervous system disorders Common: headache. Uncommon: dizziness, paraesthesia, hypoesthesia, dysgeusia, amnesia. Rare: peripheral neuropathy. Eye disorders Uncommon: vision blurred. Rare: visual disturbance. Ear and labyrinth disorders Uncommon: tinnitus Very rare: hearing loss. Respiratory, thoracic and mediastinal disorders Common: pharyngolaryngeal pain, epistaxis. Gastrointestinal disorders Common: constipation, flatulence, dyspepsia, nausea, diarrhoea. Uncommon: vomiting, abdominal pain upper and lower, eructation, pancreatitis. Hepatobiliary disorders Uncommon: hepatitis. Rare: cholestasis. Very rare: hepatic failure. Skin and subcutaneous tissue disorders Uncommon: urticaria, skin rash, pruritus, alopecia. Rare: angioneurotic oedema, dermatitis bullous including erythema multiforme, Stevens-Johnson syndrome and toxic epidermal necrolysis. Musculoskeletal and connective tissue disorders - 145 - Common: myalgia, arthralgia, pain in extremity, muscle spasms, joint swelling, back pain. Uncommon: neck pain, muscle fatigue. Rare: myopathy, myositis, rhabdomyolysis, tendonopathy, sometimes complicated by rupture. Not known: immune-mediated necrotizing myopathy (see section 4.4). Reproductive system and breast disorders Very rare: gynecomastia. General disorders and administration site conditions Uncommon: malaise, asthenia, chest pain, peripheral oedema, fatigue, pyrexia. Investigations Common: liver function test abnormal, blood creatine kinase increased. Uncommon: white blood cells urine positive. As with other HMG-CoA reductase inhibitors elevated serum transaminases have been reported in patients receiving Atorvastatin. These changes were usually mild, transient, and did not require interruption of treatment. Clinically important (> 3 times upper normal limit) elevations in serum transaminases occurred in 0.8% patients on Atorvastatin. These elevations were dose related and were reversible in all patients. Elevated serum creatine kinase (CK) levels greater than 3 times upper limit of normal occurred in 2.5% of patients on Atorvastatin, similar to other HMGCoA reductase inhibitors in clinical trials. Levels above 10 times the normal upper range occurred in 0.4% Atorvastatin treated patients (see section 4.4). Paediatric Population The clinical safety database includes safety data for 249 paediatric patients who received atorvastatin, among which 7 patients were < 6 years old, 14 patients were in the age range of 6 to 9, and 228 patients were in the age range of 10 to 17. Nervous system disorders Common: Headache Gastrointestinal disorders Common: Abdominal pain Investigations Common: Alanine aminotransferase increased, blood creatine phosphokinase increased Based on the data available, frequency, type and severity of adverse reactions in children are expected to be the same as in adults. There is currently limited experience with respect to long-term safety in the paediatric population. The following adverse events have been reported with some statins: • Sexual dysfunction. • Depression. - 146 - • Exceptional cases of interstitial lung disease, especially with long term therapy (see section 4.4). • Diabetes Mellitus: Frequency will depend on the presence or absence of risk factors (fasting blood glucose ≥ 5.6 mmol/L, BMI>30kg/m2, raised triglycerides, history of hypertension). 4.9 Overdose Specific treatment is not available for Atorvastatin overdose. Should an overdose occur, the patient should be treated symptomatically and supportive measures instituted, as required. Liver function tests should be performed and serum CK levels should be monitored. Due to extensive atorvastatin binding to plasma proteins, haemodialysis is not expected to significantly enhance atorvastatin clearance. 5. Pharmacological properties 5.1 Pharmacodynamic properties Pharmacotherapeutic group: Lipid modifying agents, HMG-CoA-reductase inhibitors, ATC code: C10AA05 Atorvastatin is a selective, competitive inhibitor of HMG-CoA reductase, the rate-limiting enzyme responsible for the conversion of 3-hydroxy-3-methylglutaryl-coenzyme A to mevalonate, a precursor of sterols, including cholesterol. Triglycerides and cholesterol in the liver are incorporated into very low-density lipoproteins (VLDL) and released into the plasma for delivery to peripheral tissues. Low-density lipoprotein (LDL) is formed from VLDL and is catabolized primarily through the receptor with high affinity to LDL (LDL receptor). Atorvastatin lowers plasma cholesterol and lipoprotein serum concentrations by inhibiting HMG-CoA reductase and subsequently cholesterol biosynthesis in the liver and increases the number of hepatic LDL receptors on the cell surface for enhanced uptake and catabolism of LDL. Atorvastatin reduces LDL production and the number of LDL particles. Atorvastatin produces a profound and sustained increase in LDL receptor activity coupled with a beneficial change in the quality of circulating LDL particles. Atorvastatin is effective in reducing LDL-C in patients with homozygous familial hypercholesterolaemia, a population that has not usually responded to lipid-lowering medicinal products. Atorvastatin has been shown to reduce concentrations of total-C (30% - 46%), LDL-C (41% - 61%), apolipoprotein B (34% - 50%), and triglycerides (14% 33%) while producing variable increases in HDL-C and apolipoprotein A1 in a - 147 - dose response study. These results are consistent in patients with heterozygous familial hypercholesterolaemia, nonfamilial forms of hypercholesterolaemia, and mixed hyperlipidaemia, including patients with noninsulin-dependent diabetes mellitus. Reductions in total-C, LDL-C, and apolipoprotein B have been proven to reduce risk for cardiovascular events and cardiovascular mortality. Homozygous familial hypercholesterolaemia In a multicenter 8 week open-label compassionate-use study with an optional extension phase of variable length, 335 patients were enrolled, 89 of which were identified as homozygous familial hypercholesterolaemia patients. From these 89 patients, the mean percent reduction in LDL-C was approximately 20%. Atorvastatin was administered at doses up to 80 mg/day. Atherosclerosis In the Reversing Atherosclerosis with Aggressive Lipid- Lowering Study (REVERSAL), the effect of intensive lipid lowering with atorvastatin 80 mg and standard degree of lipid lowering with pravastatin 40 mg on coronary atherosclerosis was assessed by intravascular ultrasound (IVUS), during angiography, in patients with coronary heart disease. In this randomised, double- blind, multicenter, controlled clinical trial, IVUS was performed at baseline and at 18 months in 502 patients. In the atorvastatin group (n=253), there was no progression of atherosclerosis. The median percent change, from baseline, in total atheroma volume (the primary study criteria) was -0.4% (p=0.98) in the atorvastatin group and +2.7% (p=0.001) in the pravastatin group (n=249). When compared to pravastatin the effects of atorvastatin were statistically significant (p=0.02). The effect of intensive lipid lowering on cardiovascular endpoints (e. g. need for revascularisation, non fatal myocardial infarction, coronary death) was not investigated in this study. In the atorvastatin group, LDL-C was reduced to a mean of 2.04 mmol/L ± 0.8 (78.9 mg/dl ± 30) from baseline 3.89 mmol/L ± 0.7 (150 mg/dl ± 28) and in the pravastatin group, LDL-C was reduced to a mean of 2.85 mmol/L ± 0.7 (110 mg/dl ± 26) from baseline 3.89 mmol/L ± 0.7 (150 mg/dl ± 26) (p<0.0001). Atorvastatin also significantly reduced mean TC by 34.1% (pravastatin: 18.4%, p<0.0001), mean TG levels by 20% (pravastatin: -6.8%, p<0.0009), and mean apolipoprotein B by 39.1% (pravastatin: -22.0%, p<0.0001). Atorvastatin increased mean HDL-C by 2.9% (pravastatin: +5.6%, p=NS). There was a 36.4% mean reduction in CRP in the atorvastatin group compared to a 5.2% reduction in the pravastatin group (p<0.0001). Study results were obtained with the 80 mg dose strength. Therefore, they cannot be extrapolated to the lower dose strengths. The safety and tolerability profiles of the two treatment groups were comparable. The effect of intensive lipid lowering on major cardiovascular endpoints was not investigated in this study. Therefore, the clinical significance of these - 148 - imaging results with regard to the primary and secondary prevention of cardiovascular events is unknown. Acute coronary syndrome In the MIRACL study, atorvastatin 80 mg has been evaluated in 3,086 patients (atorvastatin n=1,538; placebo n=1,548) with an acute coronary syndrome (non Q-wave MI or unstable angina). Treatment was initiated during the acute phase after hospital admission and lasted for a period of 16 weeks. Treatment with atorvastatin 80 mg/day increased the time to occurrence of the combined primary endpoint, defined as death from any cause, nonfatal MI, resuscitated cardiac arrest, or angina pectoris with evidence of myocardial ischaemia requiring hospitalization, indicating a risk reduction by 16% (p=0.048). This was mainly due to a 26% reduction in re-hospitalisation for angina pectoris with evidence of myocardial ischaemia (p=0.018). The other secondary endpoints did not reach statistical significance on their own (overall: Placebo: 22.2%, Atorvastatin: 22.4%). The safety profile of atorvastatin in the MIRACL study was consistent with what is described in section 4.8. Prevention of cardiovascular disease The effect of atorvastatin on fatal and non-fatal coronary heart disease was assessed in a randomized, double-blind, placebo-controlled study, the AngloScandinavian Cardiac Outcomes Trial Lipid Lowering Arm (ASCOT-LLA). Patients were hypertensive, 40-79 years of age, with no previous myocardial infarction or treatment for angina, and with TC levels ≤6.5 mmol/L (251 mg/dl). All patients had at least 3 of the pre-defined cardiovascular risk factors: male gender, age ≥55 years, smoking, diabetes, history of CHD in a firstdegree relative, TC:HDL-C >6, peripheral vascular disease, left ventricular hypertrophy, prior cerebrovascular event, specific ECG abnormality, proteinuria/albuminuria. Not all included patients were estimated to have a high risk for a first cardiovascular event. Patients were treated with anti-hypertensive therapy (either amlodipine or atenolol-based regimen) and either atorvastatin 10 mg daily (n=5,168) or placebo (n=5,137). The absolute and relative risk reduction effect of atorvastatin was as follows: Event Fatal CHD plus non-fatal MI Total cardiovascular events and revascularization procedures Total coronary events Relative No. of Absolute Risk Risk Events Reduction1(%) Reduction (Atorvastatin (%) vs Placebo) pvalue 36% 100 vs. 154 1.1% 0.0005 20% 389 vs. 483 1.9% 0.0008 29% 178 vs 247 1.4% 0.0006 - 149 - 1 Based on difference in crude events rates occurring over a median follow-up of 3.3 years. CHD = coronary heart disease; MI = myocardial infarction. Total mortality and cardiovascular mortality were not significantly reduced (185 vs. 212 events, p=0.17 and 74 vs. 82 events, p=0.51). In the subgroup analyses by gender (81% males, 19% females), a beneficial effect of atorvastatin was seen in males but could not be established in females possibly due to the low event rate in the female subgroup. Overall and cardiovascular mortality were numerically higher in the female patients (38 vs. 30 and 17 vs. 12), but this was not statistically significant. There was significant treatment interaction by antihypertensive baseline therapy. The primary endpoint (fatal CHD plus non-fatal MI) was significantly reduced by atorvastatin in patients treated with amlodipine (HR 0.47 (0.32-0.69), p=0.00008), but not in those treated with atenolol (HR 0.83 (0.59-1.17), p=0.287). The effect of atorvastatin on fatal and non-fatal cardiovascular disease was also assessed in a randomized, double-blind, multicenter, placebo-controlled trial, the Collaborative Atorvastatin Diabetes Study (CARDS) in patients with type 2 diabetes, 40-75 years of age, without prior history of cardiovascular disease, and with LDL-C ≤4.14 mmol/L (160 mg/dl) and TG ≤6.78 mmol/L (600 mg/dl). All patients had at least 1 of the following risk factors: hypertension, current smoking, retinopathy, microalbuminuria or macroalbuminuria. Patients were treated with either atorvastatin 10 mg daily (n=1,428) or placebo (n=1,410) for a median follow-up of 3.9 years. The absolute and relative risk reduction effect of atorvastatin was as follows: Relative No. of Absolute Risk Risk Events Reduction1(%) Reduction (Atorvastatin (%) vs Placebo) p-value 37% 83 vs. 127 3.2% 0.0010 Event Major cardiovascular events (fatal and non-fatal AMI, silent MI, acute CHD death, unstable angina, CABG, PTCA, 42% 38 vs 64 1.9% 0.0070 revascularization, stroke) 48% 21 vs. 39 1.3% 0.0163 MI (fatal and non-fatal AMI, silent MI) Strokes (Fatal and non-fatal) 1 Based on difference in crude events rates occurring over a median follow-up of 3.9 years. AMI = acute myocardial infarction; CABG = coronary artery bypass graft; CHD = coronary heart disease; MI = myocardial infarction; PTCA = percutaneous transluminal coronary angioplasty. There was no evidence of a difference in the treatment effect by patient's gender, age, or baseline LDL-C level. A favourable trend was observed regarding the mortality rate (82 deaths in the placebo group vs. 61 deaths in the atorvastatin group, p=0.0592). - 150 - Recurrent stroke In the Stroke Prevention by Aggressive Reduction in Cholesterol Levels (SPARCL) study, the effect of atorvastatin 80 mg daily or placebo on stroke was evaluated in 4731 patients who had a stroke or transient ischemic attack (TIA) within the preceding 6 months and no history of coronary heart disease (CHD). Patients were 60% male, 21-92 years of age (average age 63 years), and had an average baseline LDL of 133 mg/dL (3.4 mmol/L). The mean LDLC was 73 mg/dL (1.9 mmol/L) during treatment with atorvastatin and 129 mg/dL (3.3 mmol/L) during treatment with placebo. Median follow-up was 4.9 years. Atorvastatin 80 mg reduced the risk of the primary endpoint of fatal or nonfatal stroke by 15% (HR 0.85; 95% CI, 0.72-1.00; p=0.05 or 0.84; 95% CI, 0.71-0.99; p=0.03 after adjustment for baseline factors) compared to placebo. All cause mortality was 9.1% (216/2365) for atorvastatin versus 8.9% (211/2366) for placebo. In a post-hoc analysis, atorvastatin 80 mg reduced the incidence of ischemic stroke (218/2365, 9.2% vs. 274/2366, 11.6%, p=0.01) and increased the incidence of hemorrhagic stroke (55/2365, 2.3% vs. 33/2366, 1.4%, p=0.02) compared to placebo. • The risk of hemorrhagic stroke was increased in patients who entered the study with prior hemorrhagic stroke (7/45 for atorvastatin versus 2/48 for placebo; HR 4.06; 95% CI, 0.84-19.57), and the risk of ischemic stroke was similar between groups (3/45 for atorvastatin versus 2/48 for placebo; HR 1.64; 95% CI, 0.27-9.82). • The risk of hemorrhagic stroke was increased in patients who entered the study with prior lacunar infarct (20/708 for atorvastatin versus 4/701 for placebo; HR 4.99; 95% CI, 1.71-14.61), but the risk of ischemic stroke was also decreased in these patients (79/708 for atorvastatin versus 102/701 for placebo; HR 0.76; 95% CI, 0.57-1.02). It is possible that the net risk of stroke is increased in patients with prior lacunar infarct who receive atorvastatin 80 mg/day. All cause mortality was 15.6% (7/45) for atorvastatin versus 10.4% (5/48) in the subgroup of patients with prior hemorrhagic stroke. All cause mortality was 10.9% (77/708) for atorvastatin versus 9.1% (64/701) for placebo in the subgroup of patients with prior lacunar infarct. Paediatric Population Heterozygous Familial Hypercholesterolaemia in Paediatric Patients aged 617 years old An 8-week, open-label study to evaluate pharmacokinetics, pharmacodynamics, and safety and tolerability of atorvastatin was conducted in children and adolescents with genetically confirmed heterozygous familial hypercholesterolemia and baseline LDL-C ≥4 mmol/L. A total of 39 children and adolescents, 6 to 17 years of age, were enrolled. Cohort A included 15 children, 6 to 12 years of age and at Tanner Stage 1. Cohort B included 24 children, 10 to 17 years of age and at Tanner Stage ≥2. - 151 - The initial dose of atorvastatin was 5 mg daily of a chewable tablet in Cohort A and 10 mg daily of a tablet formulation in Cohort B. The atorvastatin dose was permitted to be doubled if a subject had not attained target LDL-C of <3.35 mmol/L at Week 4 and if atorvastatin was well tolerated. Mean values for LDL-C, TC, VLDL-C, and Apo B decreased by Week 2 among all subjects. For subjects whose dose was doubled, additional decreases were observed as early as 2 weeks, at the first assessment, after dose escalation. The mean percent decreases in lipid parameters were similar for both cohorts, regardless of whether subjects remained at their initial dose or doubled their initial dose. At Week 8, on average, the percent change from baseline in LDLC and TC was approximately 40% and 30%, respectively, over the range of exposures. Heterozygous Familial Hypercholesterolaemia in Paediatric Patients aged 1017 years old In a double-blind, placebo controlled study followed by an open-label phase, 187 boys and postmenarchal girls 10-17 years of age (mean age 14.1 years) with heterozygous familial hypercholesterolaemia (FH) or severe hypercholesterolaemia were randomised to atorvastatin (n=140) or placebo (n=47) for 26 weeks and then all received atorvastatin for 26 weeks. The dosage of atorvastatin (once daily) was 10 mg for the first 4 weeks and uptitrated to 20 mg if the LDL-C level was >3.36 mmol/L. Atorvastatin significantly decreased plasma levels of total-C, LDL-C, triglycerides, and apolipoprotein B during the 26 week double-blind phase. The mean achieved LDL-C value was 3.38 mmol/L (range: 1.81-6.26 mmol/L) in the atorvastatin group compared to 5.91 mmol/L (range: 3.93-9.96 mmol/L) in the placebo group during the 26-week double-blind phase. An additional paediatric study of atorvastatin versus colestipol in patients with hypercholesterolaemia aged 10-18 years demonstrated that atorvastatin (N=25) caused a significant reduction in LDL-C at week 26 (p<0.05) compared with colestipol (N=31). A compassionate use study in patients with severe hypercholesterolaemia (including homozygous hypercholesterolaemia) included 46 paediatric patients treated with atorvastatin titrated according to response (some subjects received 80 mg atorvastatin per day). The study lasted 3 years: LDL-cholesterol was lowered by 36%. The long-term efficacy of atorvastatin therapy in childhood to reduce morbidity and mortality in adulthood has not been established. The European Medicines Agency has waived the obligation to submit the results of studies with atorvastatin in children aged 0 to less than 6 years in the treatment of heterozygous hypercholesterolaemia and in children aged 0 to less than 18 years in the treatment of homozygous familial hypercholesterolaemia, combined (mixed) hypercholesterolaemia, primary hypercholesterolaemia and in the prevention of cardiovascular events (see section 4.2 for information on paediatric use). - 152 - 5.2 Pharmacokinetic properties Absorption Atorvastatin is rapidly absorbed after oral administration; maximum plasma concentrations (Cmax) occur within 1 to 2 hours. Extent of absorption increases in proportion to atorvastatin dose. After oral administration, atorvastatin filmcoated tablets are 95% to 99% bioavailable compared to the oral solution. The absolute bioavailability of atorvastatin is approximately 12% and the systemic availability of HMG-CoA reductase inhibitory activity is approximately 30%. The low systemic availability is attributed to presystemic clearance in gastrointestinal mucosa and/or hepatic first-pass metabolism Distribution Mean volume of distribution of atorvastatin is approximately 381 l. Atorvastatin is ≥ 98% bound to plasma proteins. Biotransformation Atorvastatin is metabolized by cytochrome P450 3A4 to ortho- and parahydroxylated derivatives and various beta-oxidation products. Apart from other pathways these products are further metabolized via glucuronidation. In vitro, inhibition of HMG-CoA reductase by ortho- and parahydroxylated metabolites is equivalent to that of atorvastatin. Approximately 70% of circulating inhibitory activity for HMG-CoA reductase is attributed to active metabolites. Elimination Atorvastatin is eliminated primarily in bile following hepatic and/or extrahepatic metabolism. However, atorvastatin does not appear to undergo significant enterohepatic recirculation. Mean plasma elimination half-life of atorvastatin in humans is approximately 14 hours. The half-life of inhibitory activity for HMG-CoA reductase is approximately 20 to 30 hours due to the contribution of active metabolites. Special populations Elderly patients Plasma concentrations of atorvastatin and its active metabolites are higher in healthy elderly subjects than in young adults while the lipid effects were comparable to those seen in younger patient populations. Paediatric population In an open-label, 8-week study, Tanner Stage 1 (N=15) and Tanner Stage ≥2 (N=24) paediatric patients (ages 6-17 years) with heterozygous familial hypercholesterolemia and baseline LDL-C ≥4 mmol/L were treated with 5 or 10 mg of chewable or 10 or 20 mg of film-coated atorvastatin tablets once daily, respectively. Body weight was the only significant covariate in atorvastatin population PK model. Apparent oral clearance of atorvastatin in - 153 - paediatric subjects appeared similar to adults when scaled allometrically by body weight. Consistent decreases in LDL-C and TC were observed over the range of atorvastatin and o-hydroxyatorvastatin exposures. Gender Concentrations of atorvastatin and its active metabolites in women differ from those in men (Women: approx. 20% higher for Cmax and approx. 10% lower for AUC). These differences were of no clinical significance, resulting in no clinically significant differences in lipid effects among men and women. Renal impairment Renal disease has no influence on the plasma concentrations or lipid effects of atorvastatin and its active metabolites. Hepatic impairment Plasma concentrations of atorvastatin and its active metabolites are markedly increased (approx. 16-fold in Cmax and approx. 11-fold in AUC) in patients with chronic alcoholic liver disease (Child-Pugh B). SLOC1B1 polymorphism Hepatic uptake of all HMG-CoA reductase inhibitors including atorvastatin, involves the OATP1B1 transporter. In patients with SLCO1B1 polymorphism there is a risk of increased exposure of atorvastatin, which may lead to an increased risk of rhabdomyolysis (see section 4.4). Polymorphism in the gene encoding OATP1B1 (SLCO1B1 c.521CC) is associated with a 2.4-fold higher atorvastatin exposure (AUC) than in individuals without this genotype variant (c.521TT). A genetically impaired hepatic uptake of atorvastatin is also possible in these patients. Possible consequences for the efficacy are unknown. 5.3 Preclinical safety data Atorvastatin was negative for mutagenic and clastogenic potential in a battery of 4 in vitro tests and 1 in vivo assay. Atorvastatin was not found to be carcinogenic in rats, but high doses in mice (resulting in 6-11 fold the AUC024h reached in humans at the highest recommended dose) showed hepatocellular adenomas in males and hepatocellular carcinomas in females. There is evidence from animal experimental studies that HMG-CoA reductase inhibitors may affect the development of embryos or fetuses. In rats, rabbits and dogs atorvastatin had no effect on fertility and was not teratogenic, however, at maternally toxic doses fetal toxicity was observed in rats and rabbits. The development of the rat offspring was delayed and post-natal survival reduced during exposure of the dams to high doses of atorvastatin. In rats, there is evidence of placental transfer. In rats, plasma concentrations of atorvastatin are similar to those in milk. It is not known whether atorvastatin or its metabolites are excreted in human milk. 6. Pharmaceutical particulars - 154 - 6.1 List of excipients Maize Starch Microcrystalline cellulose Purified Talc Sodium Starch Glycollate Colloidal Anhydrous Silica Titanium Dioxide Hydoxypropyl methylcellulose Povidone Methylene Chloride Isopropyl alcohol 6.2 Incompatibilities Not applicable 6.3 Shelf life 2 years (24 months) 6.4 Special precautions for storage Do not store above 30°C. Keep in the original container. 6.5 Nature and contents of container Alu-Alu of 10 tablets and 10 x 10 carton pack 6.6 Special precautions for disposal and other handling None 7. Marketing authorisation holder - 155 - Niramaya Pharmaceuticals (P) Ltd. Village Juddi Khurd Barotiwala Road, Baddi, Distt. Solan, Himachal Pradesh, INDIA 8. Marketing authorisation number(s) --------------------9. Date of first authorisation/renewal of the authorisation ---------------------10. Date of revision of the text November 2020 - 156 - PUBLISHED REPORTS ON CLINICAL TRIALS Clinical studies Prevention of Cardiovascular Disease In the Anglo-Scandinavian Cardiac Outcomes Trial (ASCOT), the effect of atorvastatin calcium on fatal and non-fatal coronary heart disease was assessed in 10,305 hypertensive patients 40-80 years of age (mean of 63 years), without a previous myocardial infarction and with TC levels ≤251 mg/dl (6.5 mmol/l). Additionally all patients had at least 3 of the following cardiovascular risk factors: male gender (81.1%), age >55 years (84.5%), smoking (33.2%), diabetes (24.3%), history of CHD in a first-degree relative (26%), TC:HDL >6 (14.3%), peripheral vascular disease (5.1%), left ventricular hypertrophy (14.4%), prior cerebrovascular event (9.8%), specific ECG abnormality (14.3%), proteinuria/albuminuria (62.4%). In this double-blind, placebocontrolled study patients were treated with anti-hypertensive therapy (Goal BP <140/90 mm Hg for non-diabetic patients, <130/80 mm Hg for diabetic patients) and allocated to either atorvastatin 10 mg daily (n=5168) or placebo (n=5137), using a covariate adaptive method which took into account the distribution of nine baseline characteristics of patients already enrolled and minimized the imbalance of those characteristics across the groups. Patients were followed for a median duration of 3.3 years. The effect of 10 mg/day of Atorvastatin on lipid levels was similar to that seen in previous clinical trials. Atorvastatin significantly reduced the rate of coronary events [either fatal coronary heart disease (46 events in the placebo group vs. 40 events in the Atorvastatin group) or nonfatal MI (108 events in the placebo group vs. 60 events in the atorvastatin group)] with a relative risk reduction of 36% [(based on incidences of 1.9% for atorvastatin vs. 3.0% for placebo), p=0.0005 (see Figure 1)]. The risk reduction was consistent regardless of age, smoking status, obesity or presence of renal dysfunction. The effect of atorvastatin was seen regardless of baseline LDL levels. Due to the small number of events, results for women were inconclusive. Figure 1: Effect of Atorvastatin 10 mg/day on Cumulative Incidence of Nonfatal Myocardial Infarction or Coronary Heart Disease Death (in ASCOT-LLA) - 157 - Atorvastatin also significantly decreased the relative risk for revascularization procedures by 42%. Although the reduction of fatal and non-fatal strokes did not reach a pre-defined significance level (p=0.01), a favorable trend was observed with a 26% relative risk reduction (incidences of 1.7% for atorvastatin and 2.3% for placebo). There was no significant difference between the treatment groups for death due to cardiovascular causes (p=0.51) or noncardiovascular causes (p=0.17). In the Collaborative Atorvastatin Diabetes Study (CARDS), the effect of Atorvastatin on cardiovascular disease (CVD) endpoints was assessed in 2838 subjects (94% White, 68% male), ages 40-75 with type 2 diabetes based on WHO criteria, without prior history of cardiovascular disease and with LDL ≤160 mg/dL and TG ≤600 mg/dL. In addition to diabetes, subjects had 1 or more of the following risk factors: current smoking (23%), hypertension (80%), retinopathy (30%), or microalbuminuria (9%) or macroalbuminuria (3%). No subjects on hemodialysis were enrolled in the study. In this multicenter, placebo-controlled, double-blind clinical trial, subjects were randomly allocated to either atorvastatin 10 mg daily (1429) or placebo (1411) in a 1:1 ratio and were followed for a median duration of 3.9 years. The primary endpoint was the occurrence of any of the major cardiovascular events: myocardial infarction, acute CHD death, unstable angina, coronary revascularization, or stroke. The primary analysis was the time to first occurrence of the primary endpoint. Baseline characteristics of subjects were: mean age of 62 years, mean HbA1c 7.7%; median LDL-C 120 mg/dL; median TC 207 mg/dL; median TG 151 mg/dL; median HDL-C 52mg/dL. The effect of atorvastatin 10 mg/ day on lipid levels was similar to that seen in previous clinical trials. Atorvastatin significantly reduced the rate of major cardiovascular events (primary endpoint events) (83 events in the atorvastatin group vs. 127 events in the placebo group) with a relative risk reduction of 37%, HR 0.63, 95% CI (0.48,0.83) (p=0.001) (see Figure 2). An effect of atorvastatin was seen regardless of age, sex, or baseline lipid levels. - 158 - Figure 2. Effect of atorvastatin 10 mg/day on Time to Occurrence of Major Cardiovascular Event (myocardial infarction, acute CHD death, unstable angina, coronary revascularization, or stroke) in CARDS. Atorvastatin significantly reduced the risk of stroke by 48% (21 events in the atorvastatin group vs 39 events in the placebo group), HR 0.52, 95% CI (0.31,0.89) (p=0.016) and reduced the risk of MI by 42% (38 events in the atorvastatin group vs 64 events in the placebo group), HR 0.58, 95.1% CI (0.39, 0.86) (p=0.007). There was no significant difference between the treatment groups for angina, revascularization procedures, and acute CHD death. There were 61 deaths in the atorvastatin group vs 82 deaths in the placebo group, (HR 0.73, p=0.059). In the Treating to New Targets Study (TNT), the effect of atorvastatin 80 mg/day vs. atorvastatin 10 mg/day on the reduction in cardiovascular events was assessed in 10,001 subjects (94% white, 81% male, 38% ≥65 years) with clinically evident coronary heart disease who had achieved a target LDL-C level <130 mg/dL after completing an 8-week, open-label, run-in period with atorvastatin 10 mg/day. Subjects were randomly assigned to either 10 mg/day or 80 mg/day of atorvastatin and followed for a median duration of 4.9 years. The primary endpoint was the time-to-first occurrence of any of the following major cardiovascular events (MCVE): death due to CHD, non-fatal myocardial infarction, resuscitated cardiac arrest, and fatal and non-fatal stroke. The mean LDL-C, TC, TG, non-HDL and HDL cholesterol levels at 12 weeks were 73, 145, 128, 98 and 47 mg/dL during treatment with 80 mg of atorvastatin and 99, 177, 152, 129 and 48 mg/dL during treatment with 10 mg of atorvastatin. - 159 - Treatment with atorvastatin 80 mg/day significantly reduced the rate of MCVE (434 events in the 80mg/day group vs 548 events in the 10 mg/day group) with a relative risk reduction of 22%, HR 0.78, 95% CI (0.69,0.89), p=0.0002 (see Figure 3 and Table 1). The overall risk reduction was consistent regardless of age (<65, ≥65) or gender. Figure 3. Effect of atorvastatin 80 mg/day vs.10 mg/day on Time to Occurrence of Major Cardiovascular Events (TNT) TABLE 1. Overview of Efficacy Results in TNT Endpoint Atorvastatin Atorvastatin HRa 10mg 80mg (95%CI) (N=5006) (N=4995) PRIMARY n (%) n (%) ENDPOINT First major cardiovascular 548 (10.9) 434 (8.7) endpoint Components of the Primary Endpoint CHD death 127 (2.5) 101 (2.0) Nonfatal, nonprocedure related MI 308 (6.2) 243 (4.9) Resuscitated cardiac arrest 26 25 Stroke (fatal and non- 155 (3.1) (0.5) - 160 - (0.5) 117 (2.3) 0.78 (0.69, 0.89) 0.80 (0.61, 1.03) 0.78 (0.66, 0.93) 0.96 (0.56, 1.67) 0.75 fatal) (0.59, 0.96) SECONDARY ENDPOINTS* First CHF with hospitalization 164 (3.3) 122 (2.4) First PVD endpoint 282 (5.6) 275 (5.5) First CABG or other coronary revascularization procedureb 904 (18.1) 667 (13.4) First documented angina endpointb 615 (12.3) 545 (10.9) All cause mortality 282 (5.6) 284 (5.7) 0.74 (0.59, 0.94) 0.97 (0.83, 1.15) 0.72 (0.65, 0.80) 0.88 (0.79, 0.99) 1.01 (0.85, 1.19) Components of all cause mortality Cardiovascular death 155 (3.1) 126 (2.5) Noncardiovascular death 127 (2.5) 158 (3.2) Cancer death 75 (1.5) 85 (1.7) Other non-CV death 43 (0.9) 58 (1.2) 0.81 (0.64, 1.03) 1.25 (0.99, 1.57) 1.13 (0.83, 1.55) 1.35 (0.91, 2.00) 1.67 (0.73, 3.82) Suicide, homicide and other traumatic non9 (0.2) 15 (0.3) CV death a Atorvastatin 80 mg: atorvastatin 10 mg b component of other secondary endpoints * secondary endpoints not included in primary endpoint HR=hazard ratio; CHD=coronary heart disease; CI=confidence interval; MI=myocardial infarction; CHF=congestive heart failure; CV=cardiovascular; PVD=peripheral vascular disease; CABG=coronary artery bypass graft Confidence intervals for the Secondary Endpoints were not adjusted for multiple comparisons - 161 - Of the events that comprised the primary efficacy endpoint, treatment with atorvastatin 80 mg/day significantly reduced the rate of nonfatal, nonprocedure related MI and fatal and non-fatal stroke, but not CHD death or resuscitated cardiac arrest (Table 1). Of the predefined secondary endpoints, treatment with atorvastatin 80 mg/day significantly reduced the rate of coronary revascularization, angina and hospitalization for heart failure, but not peripheral vascular disease. The reduction in the rate of CHF with hospitalization was only observed in the 8% of patients with a prior history of CHF. There was no significant difference between the treatment groups for all-cause mortality (Table 1). The proportions of subjects who experienced cardiovascular death, including the components of CHD death and fatal stroke were numerically smaller in the atorvastatin 80 mg group than in the atorvastatin 10 mg treatment group. The proportions of subjects who experienced noncardiovascular death were numerically larger in the atorvastatin 80 mg group than in the atorvastatin 10 mg treatment group. In the Incremental Decrease in Endpoints Through Aggressive Lipid Lowering Study (IDEAL), treatment with atorvastatin 80 mg/day was compared to treatment with simvastatin 20-40 mg/day in 8,888 subjects up to 80 years of age with a history of CHD to assess whether reduction in CV risk could be achieved. Patients were mainly male (81%), white (99%) with an average age of 61.7 years, and an average LDL-C of 121.5 mg/dL at randomization; 76% were on statin therapy. In this prospective, randomized, open-label, blinded endpoint (PROBE) trial with no run-in period, subjects were followed for a median duration of 4.8 years. The mean LDL-C, TC, TG, HDL and non-HDL cholesterol levels at Week 12 were 78, 145, 115, 45 and 100 mg/dL during treatment with 80 mg of atorvastatin and 105, 179, 142, 47 and 132 mg/dL during treatment with 20-40 mg of simvastatin. There was no significant difference between the treatment groups for the primary endpoint, the rate of first major coronary event (fatal CHD, nonfatal MI and resuscitated cardiac arrest): 411 (9.3%) in the atorvastatin 80 mg/day group vs. 463 (10.4%) in the simvastatin 20-40 mg/day group, HR 0.89, 95% CI ( 0.78,1.01), p=0.07. There were no significant differences between the treatment groups for allcause mortality: 366 (8.2%) in the atorvastatin 80 mg/day group vs. 374 (8.4%) in the simvastatin 20-40 mg/day group. The proportions of subjects who experienced CV or non-CV death were similar for the atorvastatin 80 mg group and the simvastatin 20-40 mg group. Hypercholesterolemia (Heterozygous Familial and Nonfamilial) and Mixed Dyslipidemia (Fredrickson Types IIa and IIb) - 162 - Atorvastatin reduces total-C, LDL-C, VLDL-C, apo B, and TG, and increases HDL-C in patients with hypercholesterolemia and mixed dyslipidemia. Therapeutic response is seen within 2 weeks, and maximum response is usually achieved within 4 weeks and maintained during chronic therapy. Atorvastatin is effective in a wide variety of patient populations with hypercholesterolemia, with and without hypertriglyceridemia, in men and women, and in the elderly. Experience in pediatric patients has been limited to patients with homozygous FH. In two multicenter, placebo-controlled, doseresponse studies in patients with hypercholesterolemia, atorvastatin given as a single dose over 6 weeks significantly reduced total-C, LDL-C, apo B, and TG (Pooled results are provided in Table 1). TABLE 2. Dose-Response in Patients With Primary Hypercholesterolemia (Adjusted Mean % Change From Baseline)a LDL- Apo HDL- Non-HDLTG C B C C/HDL-C Placebo 21 4 4 3 10 -3 7 10 22 -29 -39 -32 -19 6 -34 20 20 -33 -43 -35 -26 9 -41 40 21 -37 -50 -42 -29 6 -45 80 23 -45 -60 -50 -37 5 -53 a Results are pooled from 2 dose-response studies. Dose N TC In patients with Fredrickson Types IIa and IIb hyperlipoproteinemia pooled from 24 controlled trials, the median (25th and 75th percentile) percent changes from baseline in HDL-C for atorvastatin 10, 20, 40, and 80 mg were 6.4 (-1.4, 14), 8.7(0, 17), 7.8(0, 16), and 5.1 (-2.7, 15), respectively. Additionally, analysis of the pooled data demonstrated consistent and significant decreases in total-C, LDL-C, TG, total-C/HDL-C, and LDL-C/HDL-C. In three multicenter, double-blind studies in patients with hypercholesterolemia, atorvastatin was compared to other HMG-CoA reductase inhibitors. After randomization, patients were treated for 16 weeks with either atorvastatin 10 mg per day or a fixed dose of the comparative agent (Table 3). TABLE 3. Mean Percent Change From Baseline at Endpoint (Double-Blind, Randomized, Active-Controlled Trials) Treatment (Daily Dose) N Total-C LDL-C Apo B TG HDLC Non-HDLC/HDL-C +7 -37a Study 1 Atorvastatin 10 707 -27a -36a -28a - 163 - -17a mg Lovastatin 20 mg 191 -19 95% CI for Diff1 -9.2, 6.5 -27 -20 -6 +7 -28 -10.7, - -10.0, - -15.2, - -1.7, 7.1 6.5 7.1 2.0 -11.1, -7.1 Atorvastatin 10 222 -25b mg -35b -27b -17b +6 -36b Pravastatin 20 mg -23 -17 -9 +8 -28 Study 2 77 95% CI for Diff1 -17 -10.8, - -14.5, - -13.4, - -14.1, - -4.9, 6.1 8.2 7.4 0.7 1.6 -11.5, -4.1 Study 3 Atorvastatin 10 132 -29c mg -37c -34c -23c +7 -39c Simvastatin 10 45 mg -24 -30 -30 -15 +7 -33 95% CI for Diff1 -8.7, 2.7 -10.1, - -8.0, - -15.1, - -4.3, 2.6 1.1 0.7 3.9 -9.6, -1.9 1 A negative value for the 95% CI for the difference between treatments favors atorvastatin for all except HDL-C, for which a positive value favors atorvastatin. If the range does not include 0, this indicates a statistically significant difference. a Significantly different from lovastatin, ANCOVA, p≤0.05 b Significantly different from pravastatin, ANCOVA, p≤0.05 c Significantly different from simvastatin, ANCOVA, p≤0.05 The impact on clinical outcomes of the differences in lipid-altering effects between treatments shown in Table 3 is not known. Table 3 does not contain data comparing the effects of atorvastatin 10 mg and higher doses of lovastatin, pravastatin, and simvastatin. The drugs compared in the studies summarized in the table are not necessarily interchangeable. Hypertriglyceridemia (Fredrickson Type IV) The response to atorvastatin in 64 patients with isolated hypertriglyceridemia treated across several clinical trials is shown in the table below. For the atorvastatin-treated patients, median (min, max) baseline TG level was 565 (267-1502). - 164 - TABLE 4. Combined Patients With Isolated Elevated TG: Median (min, max) Percent Changes From Baseline Placebo (N=12) Atorvastatin 10 Atorvastatin 20 Atorvastatin 80 mg mg mg (N=37) (N=13) (N=14) Triglycerides -12.4 (-36.6, -41.0 (-76.2, 82.7) 49.4) -38.7 (-62.7, 29.5) -51.8 (-82.8, 41.3) Total-C -2.3 (-15.5, 24.4) -28.2 (-44.9, 6.8) -34.9 (-49.6, 15.2) -44.4 (-63.5, 3.8) LDL-C 3.6 (-31.3, 31.6) -26.5 (-57.7, 9.8) -30.4 (-53.9, 0.3) -40.5 (-60.6, 13.8) HDL-C 3.8 (-18.6, 13.4) 13.8 (-9.7, 61.5) 11.0 (-3.2, 25.2) 7.5 (-10.8, 37.2) VLDL-C -1.0 (-31.9, 53.2) -48.8 (-85.8, 57.3) -44.6 (-62.2, 10.8) -62.0 (-88.2, 37.6) non-HDL-C -2.8 (-17.6, 30.0) -33.0 (-52.1, 13.3) -42.7 (-53.7, 17.4) -51.5 (-72.9, 4.3) Dysbetalipoproteinemia (Fredrickson Type III) The results of an open-label crossover study of 16 patients (genotypes: 14 apo E2/E2 and 2 apo E3/E2) with dysbetalipoproteinemia (Fredrickson Type III) are shown in the table below. TABLE 5. Open-Label Crossover Study of 16 Patients With Dysbetalipoproteinemia (Fredrickson Type III) Median % Change (min, max) Median (min, max) at Baseline (mg/dL) Total-C Triglycerides Atorvastatin Atorvastatin 10 mg 80 mg -58 (-90, 31) -53 (-95, 678 (273, 5990) -39 (-92, -8) 30) 442 (225, 1320) -37 (-85, 17) IDL-C + VLDL-C 215 (111, 613) -32 (-76, 9) -63 (-90, -8) non-HDL-C 411 (218, 1272) -43 (-87, 19) -64 (-92, 36) - 165 - Homozygous Familial Hypercholesterolemia In a study without a concurrent control group, 29 patients ages 6 to 37 years with homozygous FH received maximum daily doses of 20 to 80 mg of atorvastatin. The mean LDL-C reduction in this study was 18%. Twenty-five patients with a reduction in LDL-C had a mean response of 20% (range of 7% to 53%, median of 24%); the remaining 4 patients had 7% to 24% increases in LDL-C. Five of the 29 patients had absent LDL-receptor function. Of these, 2 patients also had a portacaval shunt and had no significant reduction in LDL-C. The remaining 3 receptor-negative patients had a mean LDL-C reduction of 22%. Heterozygous Familial Hypercholesterolemia in Pediatric Patients In a double-blind, placebo-controlled study followed by an open-label phase, 187 boys and postmenarchal girls 10-17 years of age (mean age 14.1 years) with heterozygous familial hypercholesterolemia (FH) or severe hypercholesterolemia were randomized to atorvastatin (n=140) or placebo (n=47) for 26 weeks and then all received atorvastatin for 26 weeks. Inclusion in the study required 1) a baseline LDL-C level ≤190 mg/dL or 2) a baseline LDL-C ≤160 mg/dL and positive family history of FH or documented premature cardiovascular disease in a first- or second-degree relative. The mean baseline LDL-C value was 218.6 mg/dL (range: 138.5-385.0 mg/dL) in the atorvastatin group compared to 230.0 mg/dL (range: 160.0-324.5 mg/dL) in the placebo group. The dosage of atorvastatin (once daily) was 10 mg for the first 4 weeks and up-titrated to 20 mg if the LDL-C level was > 130 mg/dL. The number of atorvastatin-treated patients who required up-titration to 20 mg after Week 4 during the double-blind phase was 80 (57.1%). atorvastatin significantly decreased plasma levels of total-C, LDL-C, triglycerides, and apolipoprotein B during the 26 week double-blind phase (see Table 6). TABLE 6 Lipid-altering Effects of atorvastatin in Adolescent Boys and Girls with Heterozygous Familial Hypercholesterolemia or Severe Hypercholesterolemia (Mean Percent Change from Baseline at Endpoint in Intention-to-Treat Population) DOSAGE N Placebo 47 atorvastatin 140 Total- LDL- HDLApolipoprotein TG C C C B -1.5 -0.4 -1.9 1.0 0.7 -31.4 -39.6 2.8 -34.0 12.0 - 166 - The mean achieved LDL-C value was 130.7 mg/dL (range: 70.0-242.0 mg/dL) in the atorvastatin group compared to 228.5 mg/dL (range: 152.0-385.0 mg/dL) in the placebo group during the 26 week double-blind phase. The safety and efficacy of doses above 20 mg have not been studied in controlled trials in children. The long-term efficacy of atorvastatin therapy in childhood to reduce morbidity and mortality in adulthood has not been established. - 167 - References: 1. J Atheroscler Thromb. 2004;11(6):341-7. Atorvastatin and pravastatin elevated pre-heparin lipoprotein lipase mass of type 2 diabetes with hypercholesterolemia. Endo K, Miyashita Y, Saiki A, Oyama T, Koide N, Ozaki H, Otsuka M, Ito Y, Shirai K. To clarify whether 3-hydroxy-3-methylglutaryl coenzyme A reductase inhibitors (statin) increases lipoprotein lipase mass in preheparin plasma (preheparin LPL mass), we observed the change in preheparin LPL mass during administration of atorvastatin and pravastatin to type 2 diabetes mellitus patients with hypercholesterolemia. The subjects were randomly divided into two groups. One group was 24 patients given atorvastatin (10 mg/day), and the other was 23 patients given pravastatin (20 mg/day) for 4 months. After 4 months of administration, no significant change of HbA1c was observed. TC significantly decreased in the atorvastatin group compared to the pravastatin group. TG significantly decreased in the atorvastatin group. Low density lipoprotein cholesterol level significantly decreased in both groups (- 36.3%, p < 0.01 in atorvastatin, - 24.3%, p < 0.01 in pravastatin). Preheparin LPL mass slightly increased in both groups after 4 months of administration. Especially in patients who showed low preheparin LPL mass (less than 50 ng/ml) before statin administration, preheparin LPL mass significantly increased in both groups (+ 25.8% in the atorvastatin group, + 24.39% in the pravastatin group). These results suggested that administration of atorvastatin and pravastatin to type 2 diabetic patients with hypercholesterolemia increased serum preheparin LPL mass concentration. Especially, its effect was remarkable in patients who showed low preheparin LPL mass. 2. Pharmacol Res. 2005 Jan;51(1):31-6. Effect of atorvastatin on non-cholesterol sterols in patients with type 2 diabetes mellitus and cardiovascular disease. Smahelova A, Hyspler R, Haas T, Ticha A, Blaha V, Zadak Z. An increased risk of cardiovascular morbidity and mortality in diabetes - 168 - mellitus type 2 has been associated with disturbances of lipid homeostasis. Recently, decreased intestinal absorption of cholesterol and increased liver cholesterol production have been reported. To investigate the influence of cholesterol lowering therapy using statin on cholesterol turnover in diabetes mellitus type 2, the levels of non-cholesterol based sterols were studied. One hundred and thirty five patients with type 2 diabetes and non-diabetic controls with cardiovascular diseases were studied. Both groups were divided into two subgroups: treated with atorvastatin and without statin therapy. The diabetics showed significantly higher levels of lathosterol (6.97micromol l(-1) versus 5.11micromol l(-1), p = 0.012) and lower levels of sitosterol (5.03micromol l(1) versus 8.98micromol l(-1), p < 0.001) and campesterol (6.35micromol l(-1) versus 9.80micromol l(-1), p < 0.001). Non-diabetics showed no significant differences in non-cholesterol based sterols in relation to atorvastatin therapy. A significantly lower level of lathosterol as well as a decrease in lathosterol/cholesterol ratio in the statin treated groups was found in diabetics (4.11micromol l(-1) versus 7.83micromol l(-1), p < 0.001). The results based on ANOVA analysis show that the effect of atorvastatin on the lathosterol level is more pronounced in diabetics. Regression analysis showed the relationship between increased triglycerides levels and the increase in cholesterol synthesis. The calculated regression model for loglathosterol in diabetics has the following form: log(lathosterol) = 2.76 - 0.52.statin + 0.22.cholesterol (ANOVA, p < 0.001, R(2) = 34%, p = 0.005 for statin, p < 0.001 for cholesterol). We conclude that in spite the total cholesterol level in diabetics type 2 is not increased, its endogenous synthesis is enhanced. Our results show that the diabetics type 2 with increased serum lathosterol and expressed metabolic syndrome (mild increase of triglycerides) might represent a suitable group for intensive treatment with statins. 3. Clin Nephrol. 2004 Oct;62(4):287-94. Lipid and apoprotein changes during atorvastatin up-titration in hemodialysis patients with hypercholesterolemia: a placebo-controlled study. Lins RL, Matthys KE, Billiouw JM, Dratwa M, Dupont P, Lameire NH, Peeters PC, Stolear JC, Tielemans C, Maes B, Verpooten GA, Ducobu J, Carpentier YA. BACKGROUND: Patients with end-stage renal disease commonly present with an atherogenic lipid profile characterized by the accumulation of triglyceriderich, apoprotein B-containing "remnant" lipoproteins, small dense low-density lipoprotein, and low levels of high-density lipoprotein. They are at increased - 169 - cardiovascular risk and may benefit from drastic lipid-lowering treatment with atorvastatin, a potent, broadacting lipid regulator. This study aims to assess the effects of atorvastatin on the lipid profile in hemodialysis patients, to determine wether atorvastatin is also effective at lowering lipid levels in this particular high-risk subgroup. METHODS: In this randomized, placebo-controlled, double-blind study in hemodialysis patients with hypercholesterolemia (n = 42, mean total cholesterol 243 +/- 33 mg/dl (6.3 +/- 0.8 mmol/l)), the efficacy of 4weekly increasing doses of atorvastatin (10 - 40 mg daily) was investigated. Lipids and apoproteins were measured in plasma and isolated lipoprotein fractions. RESULTS: Mean total cholesterol and low-density lipoprotein cholesterol progressively decreased with increasing doses of atorvastatin (total cholesterol -33%, low-density lipoprotein cholesterol -43% after 12 weeks), while high-density lipoprotein cholesterol remained unchanged. Plasma levels of apoprotein B and apoprotein E were also significantly reduced by atorvastatin 10 mg, while up-titration to 20 and 40 mg daily provided additional benefits by lowering triglycerides and apoprotein C-III. At week 12, the fraction of small dense low-density lipoprotein was significantly reduced from 23% - 18%, and apoprotein B-containing intermediate-density lipoproteins were no longer detectable. CONCLUSION: In conclusion, atorvastatin not only treated hypercholesterolemia but also favorably affected the uremic lipid profile in patients on hemodialysis. Atorvastatin 4-weekly dose escalation up to 40 mg daily was well-tolerated. Further prospective studies are needed to evaluate the impact of this improved lipid profile on morbidity and mortality. 4. Rom J Intern Med. 2002;40(1-4):61-73. Effects of Atorvastatin on some inflammatory parameters in severe primary hypercholesterolemia. Dobreanu M, Galateanu C, Simionescu A, Deac R. Recent publications have reanimated the point of view that there exist links between atherosclerosis--inflammation and hypercholesterolemia. The aim of our study was to investigate the possible influence of statins on some inflammatory parameters in persons with severe primary hypercholesterolemia (PHC). The effects of the HMG CoA reductase inhibitor--Atorvastatin--on serum lipids, apoproteins, C reactive protein (CRP), soluble Intercellular Adhesion Molecule (sICAM), lipid peroxides, antibodies to oxidized LDL (Ab oxLDL) and homocystein were evaluated in 21 persons (52.9 +/- 8.38 years old) with severe PHC, 12 of these having significant coronary-artery stenosis (diameter stenosis > or = 70%), in at least one major coronary artery branch. - 170 - Ab oxLDL, sICAM, TBARS, CRP and homocystein were significantly increased (p < 0.05) in patients with coronary-artery stenosis. Following a 4 weeks hypolipemiant free baseline period, all persons were treated with Atorvastatin 40 mg once daily for 8 weeks. Atorvastatin 40 mg resulted in a reduction of LDL-C with 57.8% (baseline 259.6 +/- 71.39 mg%) p < 0.001, total Cholesterol with 44.08% (baseline 343.1 +/- 71.72 mg%) p < 0.001, Apo B with 50.6% (baseline 194.7 +/- 48.71 mg%) p < 0.001, TG with 12.02% (baseline 177.4 +/- 83.63 mg%) and HDL-C was increased with 6.84% (baseline 48.0 +/- 7.86 mg%). In coronary heart disease patients, Atorvastatin reduced homocystein concentrations with 19.41% (baseline 17.7 +/- 11.16 microM/l) (p < 0.01), and CRP with 21.9% (baseline 4.8 +/- 4.19 mg/l) p < 0.01 and TBARS with 52% (baseline 0.87 +/- 0.89 nM/ml) p < 0.001, but did not influence sICAM and Ab oxLDL. Thus atherogenic concentrations of LDL-C have to be closely modulated by minimal changes in LDL oxidative state. The effects of Atorvastatin on inflammatory parameters may crucially contribute to the clinical benefit of statins, independent of cholesterol lowering. Plaque stabilization may be a paradigm for antiinflammatory mechanism of action by this class of drugs. 5. J Urol. 2004 Dec;172(6 Pt 1):2456-9. Atorvastatin ameliorates renal tissue damage in unilateral ureteral obstruction. Mizuguchi Y, Miyajima A, Kosaka T, Asano T, Asano T, Hayakawa M. PURPOSE:: The current study was done to determine whether atorvastatin, the HMGCoA (3-hydroxy-3-methylglutaryl CoA) reductase inhibitor, could decrease renal transforming growth factor-beta (TGF-beta) levels in unilateral ureteral obstruction (UUO) and concomitantly affect renal tissue damage in UUO. MATERIALS AND METHODS:: Atorvastatin (20 mg/kg) was administered to rats 1 day prior to UUO and every day thereafter. Kidneys were harvested at day 14 after UUO. Tissue TGF-beta was measured by bioassay using mink lung epithelial cells. Renal tubular proliferation and apoptosis were detected by immunostaining proliferating cell nuclear antigen and polyclonal antisingle strand DNA antibody, respectively. Fibrosis was assessed by measuring collagen deposition with trichrome stained slides. Interstitial leukocyte was detected by immunostaining CD45. RESULTS:: TGF-beta bioassay showed that the obstructed kidney in the control group contained significantly higher TGF-beta than the unobstructed kidney in the control group (mean +/- SD 79.1 +/- 48.5 vs 28.7 +/- 13.7 pg/mg tissue) and atorvastatin - 171 - significantly decrease tissue TGF-beta in the obstructed kidney (53.4 +/- 37.0 pg/mg tissue). Immunostaining polyclonal antisingle strand DNA antibody demonstrated that the obstructed kidney in the control group has significantly more tubular apoptosis than the unobstructed counterpart (4.8 +/- 2.8 vs 2.1 +/1.2 nuclei per high power field) and atorvastatin significantly decreased renal tubular apoptosis in the obstructed kidney (1.1 +/- 0.7 nuclei per high power field). In addition, immunostaining proliferating cell nuclear antigen showed that the obstructed kidney in the atorvastatin group had significantly more renal tubular proliferation than the obstructed kidney in the control group (48.7 +/20.8 vs 17.3 +/- 10.6 per high power field). Control obstructed kidney showed significantly more fibrosis, which was also blunted by atorvastatin. CONCLUSIONS:: Atorvastatin significantly decreases tissue TGF-beta, resulting in a decrease in tubular damage and interstitial fibrosis. This suggests that atorvastatin is a promising agent for preventing renal tubular damage in UUO. 6. Acta Trop. 2005 Jan;93(1):1-9. Antischistosomal action of atorvastatin alone and concurrently with medroxyprogesterone acetate on Schistosoma haematobium harboured in hamster: surface ultrastructure and parasitological study. Soliman MF, Ibrahim MM. Aiming to study the influence of long-term administration of lipid lowering agents (atorvastatin; AV), and to study the action of combined treatment with injectable contraceptive (medroxyprogesterone acetate; MPA) on tegumental ultrastrucutre and survival of Schistosoma worms, this study was established. AV (0.9 mg kg-1) was administered orally for 49 successive days to Schistosoma heamatobium-infected hamster starting from day 35 post-infection (pi). Another group of infected hamster was administrated MPA intramuscularly (0.1 ml kg-1) at days 7 and 35 pi followed by AV treatment regimen. Both treatment regimens significantly affected the surface ultrastructure of the male worms more pronouncedly than the female ones. Combined treatment was more severe in action compared to single one. The combined treatment was characterized by losing of spines and damaging of tubercles throughout the tegument, severe erosion and peeling and appearance of deep crakes in different parts of the tegument. Moreover, mild to sever destruction to the oral suckers of both female and male worms was noticed. On the other hand, both treatment regimens significantly reduced numbers of recovered S. haematobium worms and tissue egg load. Oogram pattern was affected only in case of combined treatment with high percentage of dead eggs. - 172 - In conclusion, AV, if given continuously for long time, has a pronounced antischistosomal action especially when accompanied with contraceptive intake. These promising results may encourage further investigation with the intention of their possible application on treatment of schistosomiasis as a complement strategy to praziquantel chemotherapy. 7. Clin Ther. 2004 Nov;26(11):1821-33. Twelve-week, multicenter, randomized, open-label comparison of the effects of rosuvastatin 10 mg/d and atorvastatin 10 mg/d in high-risk adults: a DISCOVERY study. Strandberg TE, Feely J, Sigurdsson EL; DISCOVERY study group. BACKGROUND: Guidelines for the prevention of coronary heart disease (CHD) advocate reductions in low-density lipoprotein cholesterol (LDL-C) and total cholesterol (TC) levels as the primary goals. However, approximately 50% to 60% of patients fail to reach recommended cholesterol goals. OBJECTIVES: The primary objective of this Direct Statin Comparison of LDL-C Values: An Evaluation of Rosuvastatin Therapy Compared with Atorvastatin (DISCOVERY) trial was to compare the efficacy of the 3hydroxy-3-methylglutaryl-coenzyme A reductase inhibitors rosuvastatin calcium and atorvastatin calcium in achieving the 1998 Second Joint Task Force (JTF) of European and Other Societies on Coronary Prevention target for LDL-C. Secondary objectives included comparing the efficacy of rosuvastatin and atorvastatin in achieving the 1998 JTF-recommended goal for TC and modifying other lipid levels, and to compare the tolerability of the 2 statins. METHODS: This 12-week, randomized, open-label, 2-arm, parallel-group trial was conducted at 210 centers in Finland, Iceland, and Ireland. Patients aged > or =18 years with a high risk for CHD and primary hypercholesterolemia (LDL-C >3.5 mmol/L [>135 mg/dL]) were randomized (2:1) to receive rosuvastatin 10 mg or atorvastatin 10 mg PO OD for 12 weeks. Before randomization, statin-naive patients underwent 6 weeks of dietary counseling, whereas patients receiving treatment with a starting dose of another lipidlowering therapy but with an LDL-C level >3.1 mmol/L (>120 mg/dL) were switched to study drug immediately after they were determined eligible for the study Patients were assessed for fasting lipid levels at weeks 0 and 12, and the proportions of patients attaining 1998 and 2003 JTF lipid goals (1998: LDL-C, <3.0 mmol/L [<116 mg/dL]; TC, <5.0 mmol/L [<193 mg/dL]; 2003: LDL-C, <2.5 mmol/L [<97 mg/dL]; TC, <4.5 mmol/L [<174 mg/dL]) were calculated. Tolerability was monitored for the 12-week study and for an additional 36week optional extension period. RESULTS: One thousand twenty-four patients were randomized to treatment (568 men, 456 women; mean age, 60.7 years). Patient demographic characteristics were similar between the 2 treatment - 173 - groups. The efficacy analysis consisted of 911 patients (504 men, 407 women; mean age, 60.7 years; mean body weight, 82.4 kg); 627 received rosuvastatin and 284 received atorvastatin. Compared with atorvastatin, rosuvastatin was associated with significantly greater reductions in LDL-C and TC (both, P < 0.05), and with a significantly greater increase in high-density lipoprotein cholesterol level (P < (105). A greater proportion of patients in the rosuvastatin group compared with the atorvastatin group reached the 1998 goals for LDL-C (83.4% vs 683%; P < 0.001) and TC (76.4% vs 59.5%; P < 0.001). Also, compared with the atorvastatin group, greater proportions of patients in the rosuvastatin group achieved the 2003 JTF goals for LDL-C and TC (both, P < 0.001). Both agents were well tolerated: serious drug-related events were observed in < or =3.0% of patients in each group, and no clinically significant differences were found between the 2 treatment groups. CONCLUSIONS: In this study of selected patients at high risk for CHD and with primary hypercholesterolemia, rosuvastatin 10 mg/d for 12 weeks was associated with significantly greater reductions in LDL-C and TC levels compared with atorvastatin 10 mg/d. Furthermore, significantly more patients receiving rosuvastatin achieved the 1998 and 2003 JTF-recommended lipid targets compared with those receiving atorvastatin. Both agents were well tolerated. 8. Drugs Today (Barc). 2004 Jul;40(7):621-31. Recent developments in lipid-lowering therapy. Highlights from the Atorvastatin Landmark Program: Global Investigators Meeting III. June 1-3, 2004. Toronto, Canada. Bandyopadhyay P. The Atorvastatin Landmark Program: Global Investigators Meeting III was held June 1-3, in Toronto, Canada. The purpose of the meeting was to update investigators on the current status of the clinical trials that encompass the Atorvastatin Landmark Program. The main objectives were the following: 1. To review the range of studies that comprise the Atorvastatin Landmark Program. 2. To communicate recently completed study results and discuss the current and future impact of the findings, both individually and collectively, on clinical practice and guideline recommendations. 3. To discuss how the program is anticipated to evolve, highlighting new therapeutic modalities. 9. - 174 - Clin Ther. 2004 Sep;26(9):1388-99. Effects of rosuvastatin versus atorvastatin, simvastatin, and pravastatin on non-high-density lipoprotein cholesterol, apolipoproteins, and lipid ratios in patients with hypercholesterolemia: additional results from the STELLAR trial. Jones PH, Hunninghake DB, Ferdinand KC, Stein EA, Gold A, Caplan RJ, Blasetto JW; Statin Therapies for Elevated Lipid Levels Compared Across Doses to Rosuvastatin Study Group. BACKGROUND: Non-high-density lipoprotein cholesterol (HDL-C), apolipoprotein (apo) B, and lipid and apolipoprotein ratios that include both atherogenic and antiatherogenic lipid components have been found to be strong predictors of coronary heart disease risk. OBJECTIVE: The goal of this study was to examine prospectively the effects of rosuvastatin, atorvastatin, simvastatin, and pravastatin across dose ranges on non-HDL-C, apo B, apo A-I, and total cholesterol (TC):HDL-C, low-density lipoprotein cholesterol (LDLC):HDL-C, non-HDL-C:HDL-C, and apo B:apo A-I ratios in patients with hypercholesterolemia (LDL-C > or =160 mg/dL and <250 mg/dL and triglycerides <400 mg/dL) in the Statin Therapies for Elevated Lipid Levels compared Across doses to Rosuvastatin (STELLAR) trial. METHODS: In this randomized, Multicenter, parallel-group, open-label trial (4522IL/0065), patients > or =18 years of age received rosuvastatin 10, 20, 40, or 80 mg; atorvastatin 10, 20, 40, or 80 mg; simvastatin 10, 20, 40, or 80 mg; or pravastatin 10, 20, or 40 mg for 6 weeks. Pairwise comparisons were prospectively planned and performed between rosuvastatin 10, 20, and 40 mg and milligram-equivalent or higher doses of comparators. RESULTS: A total of 2268 patients were randomized to the rosuvastatin 10- to 40-mg, atorvastatin, simvastatin, and pravastatin groups. Fifty-one percent of patients were women, the mean (SD) age was 57 (12) years, and 19% had a documented history of atherosclerotic disease. Over 6 weeks, rosuvastatin significantly reduced non-HDL-C, apo B, and all lipid and apolipoprotein ratios assessed, compared with milligram-equivalent doses of atorvastatin and milligram-equivalent or higher doses of simvastatin and pravastatin (all, P < 0.002). Rosuvastatin reduced non-HDL-C by 42.0% to 50.9% compared with 34.4% to 48.1% with atorvastatin, 26.0% to 41.8% with simvastatin, and 18.6% to 27.4% with pravastatin. Rosuvastatin reduced apo B by 36.7% to 45.3% compared with 29.4% to 42.9% with atorvastatin, 22.2% to 34.7% with simvastatin, and 14.7% to 23.0% with pravastatin. The highest increase in apo A-I (8.8%) was observed in the rosuvastatin 20-mg group, and this increase was significantly greater than in the atorvastatin 40-mg and 80-mg groups (both, P < 0.002). CONCLUSION: Rosuvastatin 10 to 40 mg was more efficacious in improving the lipid profile of patients with hypercholesterolemia than milligram- - 175 - equivalent doses of atorvastatin and milligram-equivalent or higher doses of simvastatin and pravastatin. 10. Pharm Res. 2004 Sep;21(9):1686-91. Interactions of human P-glycoprotein with simvastatin, simvastatin acid, and atorvastatin. Hochman JH, Pudvah N, Qiu J, Yamazaki M, Tang C, Lin JH, Prueksaritanont T. PURPOSE: In this study, P-glycoprotein (P-gp) mediated efflux of simvastatin (SV), simvastatin acid (SVA), and atorvastatin (AVA) and inhibition of P-gp by SV, SVA, and AVA were evaluated to assess the role of P-gp in drug interactions. METHODS: P-gp mediated efflux of SV, SVA, and AVA was determined by directional transport across monolayers of LLC-PK1 cells and LLC-PK1 cells transfected with human MDR1. Inhibition of P-gp was evaluated by studying the vinblastine efflux in Caco-2 cells and in P-gp overexpressing KBV1 cells at concentrations of SV, SVA, and AVA up to 50 microM. RESULTS: Directional transport studies showed insignificant P-gp mediated efflux of SV, and moderate P-gp transport [2.4-3.8 and 3.0-6.4 higher Basolateral (B) to Apical (A) than A to B transport] for SVA and AVA, respectively. Inhibition studies did not show the same trend as the transport studies with SV and AVA inhibiting P-gp (IC50 -25-50 microM) but SVA not showing any inhibition of P-gp. CONCLUSIONS: The moderate level of P-gp mediated transport and low affinity of SV, SVA, and AVA for P-gp inhibition compared to systemic drug levels suggest that drug interactions due to competition for P-gp transport is unlikely to be a significant factor in adverse drug interactions. Moreover, the inconsistencies between P-gp inhibition studies and P-gp transport of SV, SVA, and AVA indicate that the inhibition studies are not a valid means to identify statins as Pgp substrates. 11. Pharmacology. 2005 Feb;73(2):102-5. Epub 2004 Oct 19. Atorvastatin and simvastatin decrease the uptake of acetylated low-density lipoprotein by human monocytes. Tavridou A, Manolopoulos VG. - 176 - Several lines of evidence indicate that HMG-CoA reductase inhibitors, calcium channel blockers, and angiotensin-converting enzyme inhibitors exert antiatherogenic effects in vitro and in vivo. In the present study, we determined the effect of members of the above classes of drugs on the uptake of modified lowdensity lipoprotein (LDL) by U937 cells (human monocytic cell line), a key event in the progression of atherosclerosis. U937 cells were treated with drugs and subsequently the uptake of fluorescent acetylated LDL was assessed by flow cytometry. The HMG-CoA reductase inhibitors, atorvastatin and simvastatin (1-30 mumol/l), but not calcium channel blockers or angiotensinconverting enzyme inhibitors, inhibited the uptake of modified LDL by monocytes. Therefore, atorvastatin and simvastatin may slow down the progression of atherosclerosis by inhibiting the formation of foam cells. 12. Int J Clin Pharmacol Ther. 2004 Nov;42(11):589-93. Effect of monthly atorvastatin treatment on hemostasis. Okopien B, Krysiak R, Herman ZS. Apart from lowering lipid levels, 3-hydroxy-3-methylglutaryl coenzyme A reductase inhibitors (statins) produce many other favorable effects that contribute to their clinical efficacy in the primary and secondary prevention of cardiovascular diseases. The aim of this study was to assess the effect of 30day atorvastatin treatment on major hemostatic risk factors (fibrinogen, PAI-1 levels, factor VII coagulant activity) in patients with primary hypercholesterolemia. We studied 18 hypercholesterolemic patients and 12 matched control subjects. Compared to the control subjects, hypercholesterolemic patients exhibited increased plasma PAI-1 levels and factor VII activity. Atorvastatin (20 mg/d) not only decreased total cholesterol, LDL cholesterol and oxidized LDL, but also reduced PAI-1 levels and factor VII activity and tended to decrease fibrinogen levels. The hemostatic effects of atorvastatin did not correlate with its lipid-lowering potential. Our study is the first to show that atorvastatin may exhibit a quick, beneficial and multidirectional nonlipid-related effect on hemostasis. 13. J Spinal Cord Med. 2004;27(5):484-7. Combined hyperlipidemia in a single subject with tetraplegia: ineffective risk reduction after atorvastatin monotherapy. - 177 - Nash MS, Johnson BM, Jacobs PL. BACKGROUND/OBJECTIVE: Effects of atorvastatin (Lipitor) drug monotherapy (10 mg daily) on fasting blood lipid profiles and cardiovascular disease (CVD) risks were examined for a single subject with C5-C6 tetraplegia. Routine fasting lipid profiles were analyzed by standard biochemistry techniques for total cholesterol (TC), triglycerides (TG), low-density lipoprotein-cholesterol (LDL-C), and high-density lipoprotein-cholesterol (HDL-C). Lipid profiles were analyzed on 3 occasions before drug therapy was initiated and 3 months after therapy commenced. The TC:HDL and LDL:HDL ratios were computed for all sampling times and used to assess pretreatment and post-treatment CVD risk. RESULTS: Fasting TC, TG, and LDL-C were all significantly reduced by therapy. The pretreatment HDL-C of 35 mg/dL was lowered to 21 mg/dL. As a result, the TC:HDL risk ratio was only marginally reduced from 6.6 to 6.4, whereas the LDL:HDL risk ratio remained unchanged by treatment. CONCLUSIONS: In this man with tetraplegia, atorvastatin drug monotherapy rapidly lowered TC, TG, LDL-C, and HDL-C. However, the TC:HDL ratio, considered the best predictor of CVD risk, was unchanged. 14. Am J Cardiol. 2005 Jan 15;95(2):249-53. Reaching recommended lipid and blood pressure targets with amlodipine/atorvastatin combination in patients with coronary heart disease. Dorval JF, Anderson T, Buithieu J, Chan S, Hutchison S, Huynh T, Jobin J, Lonn E, Poirier P, Title L, Walling A, Tran T, Boudreau G, Charbonneau F, Genest J. The effects of combined atorvastatin and amlodipine on blood pressure (BP) and low-density lipoprotein (LDL) cholesterol levels were investigated in 134 patients with documented coronary heart disease treated for 1 year. BP at baseline was 128 +/- 15/79 +/- 9 mm Hg and was controlled by the treating physician; no calcium channel blockers were allowed. Baseline means for plasma cholesterol were 6.4 +/- 1.1 mmol/L (147 +/- 39 mg/dl), triglycerides 2.0 +/- 0.9 mmol/L (177 +/- 88 mg/dl), LDL cholesterol 4.4 +/- 1.0 mmol/L (170 +/- 39 mg/dl), and high-density lipoprotein cholesterol 1.2 +/- 0.3 mmol/L (46 +/- 12 mg/dl). Patients were all given atorvastatin 10 mg, then increased to 80 mg if the LDL cholesterol was <2.5 mmol/L (100 mg/dl). At 3 months, patients were randomized to amlodipine 10 mg or placebo. Plasma LDL cholesterol was decreased by 50%, and the LDL cholesterol target of <2.5 mmol/L was achieved in 81% of the patients. BP targets were achieved in 69% of the - 178 - atorvastatin + placebo group, versus 96% in the atorvastatin + amlodipine group (p = 0.0002). With use of combination atorvastatin + amlodipine at doses ranging from 10 to 80 mg and 5 to 10 mg, respectively, recommended therapeutic goals were reached in most select subjects with coronary artery disease who were concomitantly receiving aspirin and antihypertensive therapy. 15. JOP. 2004 Nov 10;5(6):502-4. Recurrent acute pancreatitis possibly induced by atorvastatin and rosuvastatin. Is statin induced pancreatitis a class effect? Singh S, Nautiyal A, Dolan JG. CONTEXT: Few data exist about the incidence of drug-induced pancreatitis in the general population. Drugs are related to the etiology of pancreatitis in about 1.4-2% of cases. While statins are generally well tolerated they have been known to be associated with pancreatitis. Acute pancreatitis has been reported in a few cases treated with atorvastatin, fluvastatin, lovastatin, simvastatin and pravastatin. CASE REPORT: We report the case of a 77-year-old patient who developed acute pancreatitis after treatment with rosuvastatin, which resolved on withdrawal of the medication. She had a similar episode of pancreatitis a year ago precipitated by atorvastatin, which resolved on withdrawal. Extensive workup on both occasions failed to reveal any other etiology for the pancreatitis. CONCLUSION: To our knowledge this is the first report of rosuvastatin-induced pancreatitis. The occurrence of pancreatitis with two different statins in our patient argues that statins induced pancreatitis may be a class-effect of statins. With statin prescriptions on the rise clinicians need to be aware of this complication of statin treatment and remember that the newest statin, rosuvastatin is not dissimilar to the other statins in causing pancreatitis. 16. Eur Heart J. 2004 Nov;25(21):1898-902. Antiplatelet effects of a 600 mg loading dose of clopidogrel are not attenuated in patients receiving atorvastatin or simvastatin for at least 4 weeks prior to coronary artery stenting. Gorchakova O, von Beckerath N, Gawaz M, Mocz A, Joost A, Schomig A, Kastrati A. AIMS: To test prospectively whether the antiplatelet effect of a 600 mg loading - 179 - dose of clopidogrel is attenuated in patients receiving atorvastatin and simvastatin for at least 4 weeks prior to coronary artery stenting. METHODS AND RESULTS: Blood samples were obtained at least 2 h after receiving 100 mg aspirin and 600 mg clopidogrel and prior to coronary stenting from 90 patients without statin therapy and 90 patients with statin (atorvastatin and simvastatin) therapy for at least 4 weeks. Maximal and residual platelet aggregation was evaluated with optical aggregometry in response to ADP (5 and 20 micromol/l). Surface expression of IIb/IIIa (CD61) and P-selectin (CD62) was assessed with whole blood flow-cytometry at baseline and following stimulation (5 and 20 micromol/l ADP). Inhibition of ADP-induced platelet aggregation was not impaired in the presence of concomitant statin therapy. Moreover, patients with and without statin therapy did not differ in respect to all flow-cytometric parameters obtained. CONCLUSION: The antiplatelet effect of a high, 600 mg loading dose of clopidogrel is not diminished in patients receiving atorvastatin and simvastatin for at least 4 weeks prior to coronary stenting. 17. Med Clin (Barc). 2004 Oct 23;123(14):535-7. [Atorvastatin lowers C-reactive protein in dislipemic patients with type 2 diabetes mellitus] Illan Gomez F, Alcaraz Tafalla MS, Pascual Diaz M, Carrillo Alcaraz A. BACKGROUND AND OBJECTIVE: Type 2 diabetes mellitus is associated with an augmented risk for cardiovascular disease. The levels of C-reactive protein (CRP), the prototypic marker of inflammation, are associated with an increased risk for cardiovascular events. The statins have direct antiinflammatory effects. Thus, we tested the effects of atorvastatin on levels of CRP on patients with type 2 diabetes. PATIENTS AND METHOD: We evaluated CRP in baseline and 6 months after onset of 20 mg daily atorvastatin therapy of 30 patients with type 2 diabetes with hyperlipidemia. Clinical and biochemical data were obtained. RESULTS: CRP-levels were significantly decreased after treatment with atorvastatin compared with baseline (median change: -4,99 mg/l; p < 0.001). We observed an correlation between CRP baseline with body mass index (r = 0.429; p = 0.018), serum fibrinogen (r = 0.607; p = 0.001) and microalbuminuria (r = 0.470; p = 0.01). Conversely, there was no significant correlation between CRP baseline with LDL cholesterol. The CRP reduction was significantly correlated with fasting glucose (r = -0.457; p = 0.019) and glycosylated hemoglobin at 6 months (r = -0.421; p = 0.03). CONCLUSIONS: - 180 - These results confirm findings from previous studies that atorvastatin reduce CRP levels in a largely LDL cholesterol independent manner. 18. Ann Rheum Dis. 2004 Dec;63(12):1571-5. Atorvastatin reduces arterial stiffness in patients with rheumatoid arthritis. Van Doornum S, McColl G, Wicks IP. BACKGROUND: Chronic systemic inflammation may contribute to accelerated atherosclerosis and increased arterial stiffness in patients with rheumatoid arthritis (RA). In addition to lowering cholesterol, statins have immunomodulatory effects which may be especially beneficial in patients with RA who have systemic immune activation. OBJECTIVE: To investigate the effect of atorvastatin on the augmentation index (AIx: a measure of arterial stiffness) and systemic inflammation in RA. METHODS: 29 patients with RA (mean (SD) age 55 (13) years) with moderately active disease of long duration were studied. AIx, lipid levels, serum inflammatory markers, and disease activity score were measured before and after 12 weeks of atorvastatin 20 mg daily. RESULTS: AIx improved significantly from 34.1 (11.6)% to 29.9 (11)% (p = 0.0002), with the greatest improvements in AIx occurring in those subjects with the highest disease activity scores (r = -0.5, p = 0.007). Total and LDL cholesterol were reduced from 5.5 (0.9) to 3.9 (0.7) mmol/l and 3.3 (0.8) to 1.9 (0.6) mmol/l, respectively (p = 0.0001). Serum inflammatory markers remained unchanged during the study. CONCLUSIONS: Atorvastatin significantly reduced arterial stiffness in patients with RA. The greatest improvements were seen in patients with more active disease, suggesting that, in addition to the beneficial effects of cholesterol reduction, immune modulation may contribute to the cardioprotective effect of statins. 19. J Clin Endocrinol Metab. 2004 Oct;89(10):5021-9. Effects of atorvastatin on fasting plasma and marginated apolipoproteins B48 and B100 in large, triglyceride-rich lipoproteins in familial combined hyperlipidemia. - 181 - Verseyden C, Meijssen S, Cabezas MC. Large triglyceride (TG)-rich lipoproteins (TRLs) circulate in the blood, but they may also be present in a marginated pool, probably attached to the endothelium. It is unknown whether statins can influence this marginated pool in vivo in humans. Intravenous fat tests were performed in familial combined hyperlipidemia (FCHL) subjects before and after atorvastatin treatment and in controls to investigate whether acute increases in apoB in TRL fractions would occur, potentially reflecting the release of this TRL from a marginated pool. After a 12-h fast, a bolus injection of 10% Intralipid was given to 12 FCHL patients before and after 16-wk treatment with atorvastatin. Twelve carefully matched controls were included. For 60 min postinjection, apoB48, apoB100, and lipids were measured in TRLs. Fasting apoB100 in all TRL fractions were 2- to 3-fold higher in untreated FCHL compared with controls. ApoB48 concentrations in chylomicron fractions increased significantly within 10 min in FCHL before and after treatment, but not in controls. ApoB100 increased significantly in the chylomicron fractions in untreated FCHL and in controls, but not in FCHL after treatment. In very low density lipoprotein 1, apoB100 increased only in untreated FCHL. In very low density lipoprotein 2, apoB100 did not change in any group. These data show that increasing the number of circulating TRLs by chylomicron-like particles, results in increased plasma apoB-TRLs, probably by acute release from a marginated pool. This is a physiological process occurring in FCHL and in healthy normolipidemic subjects, but it is more pronounced in the former. Decreased marginated TRL particles in FCHL is a novel antiatherogenic property of atorvastatin. 20. Am Heart J. 2005 Jan;149(1):e1. Comparison of the efficacy and safety of atorvastatin initiated at different starting doses in patients with dyslipidemia. Jones PH, McKenney JM, Karalis DG, Downey J. BACKGROUND: The NASDAC study was designed to evaluate the safety and efficacy of atorvastatin at starting doses of 10, 20, 40, and 80 mg. METHODS: After an 8-week placebo washout period, 919 patients who were candidates for lipid-lowering therapy according to the National Cholesterol Education Program's Adult Treatment Panel III guidelines were randomized to 1 of 4 atorvastatin treatment groups: 10 mg (n = 229), 20 mg (n = 228), 40 mg (n = 231), and 80 mg (n = 231). RESULTS: Atorvastatin reduced low-density lipoprotein cholesterol (LDL-C) levels dose dependently across the 10- to 80mg-dose range (35.7%-52.2%). Each of the 20-, 40-, and 80-mg doses provided - 182 - significantly greater decreases in LDL-C than all lower doses (P < .01). All doses also reduced total cholesterol, the LDL-C/high-density lipoprotein cholesterol ratio, apolipoprotein B, and triglycerides from baseline. An increase in high-density lipoprotein cholesterol was observed in all dose groups. Most participants, regardless of their level of coronary heart disease risk, attained their National Cholesterol Education Program's Adult Treatment Panel III LDL-C goal by the end of the study. Patients in all risk groups were more likely to achieve the NCEP LDL-C goal at higher starting doses. Atorvastatin was well tolerated at all dose levels. CONCLUSIONS: Atorvastatin initiated at doses of 10, 20, 40, and 80 mg is effective and safe for the treatment of patients with dyslipidemia. Depending on the percentage reduction needed to achieve an LDL-C goal, patients with or at risk of coronary heart disease may benefit from starting therapy at a higher dose of atorvastatin. 21. Eur J Clin Pharmacol. 2004 Dec;60(10):685-91. Epub 2004 Oct 14. Atorvastatin effect on high-density lipoprotein-associated paraoxonase activity and oxidative DNA damage. Harangi M, Seres I, Varga Z, Emri G, Szilvassy Z, Paragh G, Remenyik E. OBJECTIVE: High-density lipoprotein (HDL)-associated antioxidant paraoxonase (PON) may reduce low-density lipoprotein (LDL) oxidation and prevent atherosclerosis. The aim of this present study was to investigate the effect of the 3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase inhibitor atorvastatin on hydrogen-peroxide-induced DNA damage by comet assay and the correlation between oxidative DNA damage and antioxidant PON activity. METHODS: Thirteen type-II/a hyperlipidemic patients were enrolled in the study. We examined the effect of 10 mg/day atorvastatin treatment on lipid levels and the degree of DNA damage in lymphocytes separated from hyperlipidemic patients, nitric oxide (NO), thiobarbituric acid-reactive substances (TBARS), PON levels and activity. RESULTS: After 6 months, atorvastatin treatment significantly decreased serum cholesterol and LDLcholesterol levels. The triglyceride level did not change, and there was no significant change in the HDL cholesterol level. The visual score characteristic to the degree of DNA damage in comet assay was significantly decreased, as well as the TBARS level, while the level of NO was non-significantly increased. PON activity and the PON/HDL ratio were significantly increased after atorvastatin treatment. There was a negative correlation between DNA damage and PON activity, as well as between DNA damage and the PON/HDL ratio before and after atorvastatin treatment. CONCLUSION: These findings show that atorvastatin treatment favorably affected the lipid profile, increasing the activity of HDL-associated PON and decreasing the cytotoxic effect of oxidative stress. - 183 - Toxicity And Terratogenecity Carcinogenesis, Mutagenesis, and Impairment of Fertility In a 2-year carcinogenicity study in rats at dose levels of 10, 30, and 100 mg/kg/day, 2 rare tumors were found in muscle in high-dose females: in one, there was a rhabdomyosarcoma and, in another, there was a fibrosarcoma. This dose represents a plasma AUC (0-24) value of approximately 16 times the mean human plasma drug exposure after an 80 mg oral dose. A 2-year carcinogenicity study in mice given 100, 200, or 400 mg/kg/day resulted in a significant increase in liver adenomas in high-dose males and liver carcinomas in high-dose females. These findings occurred at a plasma AUC (024) values of approximately 6 times the mean human plasma drug exposure after an 80 mg oral dose. In vitro, atorvastatin was not mutagenic or clastogenic in the following tests with and without metabolic activation: the Ames test with Salmonella typhimurium and Escherichia coli, the HGPRT forward mutation assay in Chinese hamster lung cells, and the chromosomal aberration assay in Chinese hamster lung cells. Atorvastatin was negative in the in vivo mouse micronucleus test. Studies in rats performed at doses up to 175 mg/kg (15 times the human exposure) produced no changes in fertility. There was aplasia and aspermia in the epididymis of 2 of 10 rats treated with 100 mg/kg/day of atorvastatin for 3 months (16 times the human AUC at the 80 mg dose); testis weights were significantly lower at 30 and 100 mg/kg and epididymal weight was lower at 100 mg/kg. Male rats given 100 mg/kg/day for 11 weeks prior to mating had decreased sperm motility, spermatid head concentration, and increased abnormal sperm. Atorvastatin caused no adverse effects on semen parameters, or reproductive organ histopathology in dogs given doses of 10, 40, or 120 mg/kg for two years. - 184 - References: 1. Arterioscler Thromb Vasc Biol. 2005 Jan;25(1):161-7. Epub 2004 Oct 28. Effect of low dose atorvastatin versus diet-induced cholesterol lowering on atherosclerotic lesion progression and inflammation in apolipoprotein E*3-Leiden transgenic mice. Verschuren L, Kleemann R, Offerman EH, Szalai AJ, Emeis SJ, Princen HM, Kooistra T. OBJECTIVE: To evaluate whether low-dose atorvastatin suppresses atherosclerotic lesion progression and inflammation in apolipoprotein E*3 (apoE*3)-Leiden mice beyond its cholesterol-lowering effect. METHODS AND RESULTS: ApoE*3-Leiden mice were fed a high-cholesterol (HC) diet until mild atherosclerotic lesions had formed. Subsequently, HC diet feeding was continued or mice received HC supplemented with 0.002% (w/w) atorvastatin (HC+A), resulting in 19% plasma cholesterol lowering, or mice received a low-cholesterol (LC) diet to establish a plasma cholesterol level similar to that achieved in the HC+A group. HC+A and LC diet reduced, significantly and to the same extent, lesion progression and complication in the aortic root, as assessed by measuring total atherosclerotic lesion area, lesion severity, and macrophage and smooth muscle cell area. In the aortic arch, HC+A but not LC blocked lesion progression. HC+A and LC reduced vascular inflammation (ie, expression of macrophage migration inhibitory factor , plasminogen activator inhibitor- 1, matrix metalloproteinase-9), but HC+A additionally suppressed vascular cell adhesion molecule-1 expression and, in parallel, monocyte adhesion. In contrast, low-dose atorvastatin showed no antiinflammatory action toward hepatic inflammation markers (serum amyloid A, C-reactive protein [CRP]) in apoE*3-Leiden mice and human CRP transgenic mice. CONCLUSIONS: Low-dose atorvastatin cholesteroldependently reduces lesion progression in the aortic root but shows antiinflammatory vascular activity and tends to retard atherogenesis in the aortic arch beyond its cholesterol-lowering effect. 2. J Immunol. 2004 Dec 15;173(12):7641-6. Atorvastatin inhibits autoreactive B cell activation and delays lupus development in New Zealand black/white F1 mice. - 185 - Lawman S, Mauri C, Jury EC, Cook HT, Ehrenstein MR. Systemic lupus erythematosus is a multisystem autoimmune disease characterized by a wide range of immunological abnormalities that underlie the loss of tolerance. In this study we show that administration of atorvastatin to lupus-prone NZB/W F(1) mice resulted in a significant reduction in serum IgG anti-dsDNA Abs and decreased proteinuria. Histologically, the treatment was associated with reduced glomerular Ig deposition and less glomerular injury. Disease improvement was paralleled by decreased expression of MHC class II on monocytes and B lymphocytes and reduced expression of CD80 and CD86 on B lymphocytes. Consequent upon this inhibition of Ag presentation, T cell proliferation was strongly impaired by atorvastatin in vitro and in vivo. A significant decrease in MHC class II expression was also observed in the target organ of lupus disease (i.e., the glomerulus). Serum cholesterol in atorvastatintreated lupus mice fell to the level found in young NZB/W mice before disease onset. This is the first demonstration that atorvastatin can delay the progression of a spontaneous autoimmune disease and may specifically benefit patients with systemic lupus erythematosus. 3. J Neurosurg. 2004 Nov;101(5):813-21. Atorvastatin reduction of intravascular thrombosis, increase in cerebral microvascular patency and integrity, and enhancement of spatial learning in rats subjected to traumatic brain injury. Lu D, Mahmood A, Goussev A, Schallert T, Qu C, Zhang ZG, Li Y, Lu M, Chopp M. OBJECT: Atorvastatin, a beta-hydroxy-beta-methylglutaryl coenzyme A reductase inhibitor, has pleiotropic effects, such as promoting angiogenesis, increasing fibrinolysis, and reducing inflammatory responses, and has shown promise in enhancing recovery in animals with traumatic brain injury (TBI) and stroke. The authors tested the effect of atorvastatin on vascular changes after TBI. METHODS: Male Wistar rats subjected to controlled cortical impact injury were perfused at different time points with fluorescein isothiocyanate (FITC)--conjugated dextran 1 minute before being killed. Spatial memory function had been measured using a Morris Water Maze test at various points before and after TBI. The temporal profile of intravascular thrombosis and vascular changes was measured on brain tissue sections by using a microcomputer imaging device and a laser confocal microscopy. The study revealed the following results. 1) Vessels in the lesion boundary zone and hippocampal CA3 region showed a variety of damage, morphological alterations, reduced perfusion, and intraluminal microthrombin formation. 2) - 186 - Atorvastatin enhanced FITC-dextran perfusion of vessels and reduced intravascular coagulation. 3) Atorvastatin promoted the restoration of spatial memory function. CONCLUSIONS. These results indicated that atorvastatin warrants investigation as a potential therapeutic drug for TBI. 4. J Neurosurg. 2004 Nov;101(5):822-5. Atorvastatin reduction of intracranial hematoma volume in rats subjected to controlled cortical impact. Lu D, Mahmood A, Qu C, Goussev A, Lu M, Chopp M. OBJECT: Atorvastatin, a beta-hydroxy-beta-methylglutaryl coenzyme A reductase inhibitor, has pleiotropic effects such as improving thrombogenic profile, promoting angiogenesis, and reducing inflammatory responses and has shown promise in enhancing neurological functional improvement and promoting neuroplasticity in animal models of traumatic brain injury (TBI), stroke, and intracranial hemorrhage. The authors tested the effect of atorvastatin on intracranial hematoma after TBI. METHODS: Male Wistar rats were subjected to controlled cortical impact, and atorvastatin (1 mg/kg) was orally administered 1 day after TBI and daily for 7 days thereafter. Rats were killed at 1, 8, and 15 days post-TBI. The temporal profile of intraparenchymal hematoma was measured on brain tissue sections by using a MicroComputer Imaging Device and light microscopy. CONCLUSIONS: Data in this study showed that intraparenchymal and intraventricular hemorrhages are present 1 day after TBI and are absorbed at 15 days after TBI. Furthermore, atorvastatin reduces the volume of intracranial hematoma 8 days after TBI. - 187 -