Study Notes Nonsterile Pharmaceutical Compounding Chapter Outline The Need for Compounding Key Terms compounding sterile compounding nonsterile compounding Study Questions Why is there a need for compounding? There is still a need for a prescribed med made from a bulk product for a specific medical disease, product is not commercially available Sterile Compounding Where is most sterile compounding performed? Sterile is aseptic for parenteral or ophthalmic preparations performed in the “clean room environment” CSPcompounded sterile preparations Nonsterile Compounding Where does most nonsterile compounding occur? Pharmacy area Solutions Gives examples of when nonsterile compounding might be required. Smaller dose than commercially available, topical formulation when oral had adverse effect, customization • Define solution- liquid dosage form Suspensions , solvent- dissolved in a solution, and solute- Active ingredient. • What is the difference between a solution and a suspension? Suspension – active ingredient not dissolved but dispersed Ointments and Creams What is the purpose of a suspending agent? Prevents settling Distinguish between ointmentswater/oil, creams-oil/water Page 1 of 6 Chapter Outline Powders Key Terms Suppositories Capsules Bio-Identical Hormones Laws, Regulations, and Standards for Compounding hormone replacement therapy (HRT) estrogen replacement therapy (ERT) good compounding practices (GCP) anticipatory compounding USP Chapter 795 manufactured products compounded preparations Product Inventory Material Safety Data Sheet (MSDS) Beyond-Use Dating beyond-use dating stability Accreditation of Compounding Pharmacies Pharmacy Compounding Accrediting Board (PCAB) continuous quality improvement (CQI) Certification of Pharmacy Technicians Study Questions Why are powders no longer dispensed in bulk forminaccurate dosing How do pharmacists describe powders? Finely divided combination, or a mixture, of drugs and or chemicals ranging in size from extremely fine to very coarse How are suppositories prepared? Melting base material, adding active ingredient and pouring the resultant liquid into a mold What are reasons for compounding capsules? Unusual doses maybe less of an active ingredient What is the advantage of compounded bio-identical hormones? Cream, it is safer than the oral medication Who or what regulates compounding pharmacies? USP, FDA Modernization Act of 1997 What is USP Chapter 795? US Pharmacopeia, the develop standards for CGMP How do pharmacists in a compounding pharmacy assure the quality of the ingredients they use? USP How is beyond-use dating calculated? Aqueous solutions 14-30 days; solids 6months or less Under what circumstances might the beyond-use dating be extended? Depends on the stability- extent to which a product retains the same properties and characteristics possessed at the time of preparation Why do compounding pharmacies seek accreditation? Marketing/reimbursement What requirements must a pharmacy technician meet in order to work in a compounding pharmacy? Additional training/certification Page 2 of 6 Chapter Outline Documentation of Nonsterile Compounding Key Terms The Master Control Record master control record The Compounding Log compounding log prescription record Calculations in the Compounding Pharmacy Equipment for Weighing, Measuring, and Compounding Weights and Balances Pharmaceutical Weights Class III prescription balance counterbalance weighing paper digital electronic analytical balance pharmaceutical weights Forceps and Spatulas forceps spatula Compounding Slab compounding slab Mortar and Pestle mortar and pestle Study Questions What must be documented in a compounding pharmacy? Master Control Recordformula/recipe for the drug How is a master control record like a recipe used in cooking? Record and prepare quality preparation for a legal prescription How is a compounding log like a master control record? How is it different? MCR is about drug only, CL has info on drug and the patient Describe procedures for C-II compounds. Give an example of how a technician uses calculations in a compounding practice. Which type of balance is required equipment in every pharmacy? Counterbalance Describe a typical weight set. 1-2 pans, polished brass metric and apothecary weights Why is it important to use forceps to pick up weights? Medicine cant be touched with bare skin because moisture /oil affect their accuracy How are spatulas used in the pharmacy? Transfer solid pharmaceutical ingredients to and from weighing pans What can be used in place of a compounding or ointment slab? Special disposable nonabsorbent parchment paper What are different types of mortar and pestle and how is each used? Electric-used in high volume compounding; glass/ porcelain - triturating or pulverizing; Page 3 of 6 Chapter Outline Graduate Cylinders, Pipettes, and Beakers Key Terms graduate cylinder pipette Other Equipment Describe equipment used to make tablets and capsules. Convection oven, autoclave, balance, graduated cylinders, pipettes, mortar, pestle, beakers, flasks, slabs, molds Technique for Weighing, Measuring, and Compounding Attire and Preparation Requirements What are minimum attire standards for nonsterile compounding? Lab coat; gloves; and hairnet Technique for Weighing Pharmaceutical Ingredients Calculating Percentage of Error percentage of error Technique for Measuring Liquid Volumes meniscus Techniques for Mixing Compounded Drugs Comminution and Blending Study Questions How do conical-wide tops narrow base and cylindrical- uniform column graduates differ in appearance? comminution blending trituration levigation pulverization spatulation sifting tumbling Which type of balance is preferred in the compounding pharmacy? Why is using a Class III balance more difficult? How is percentage of error calculated? Amount of error/quantity desired x 100 = % of error ( range should be less than 5%) What is a general rule of thumb for selecting a container for volumetric measurement? Always select the device that yields the most accurate volume How does the technician know which technique to use for mixing compounded drugs? Master control record or the pharmacist When performing trituration what technique produces the best results? Minimal pressure rotate pestle rapidly When mixing solids and liquids, how can you make the solid dissolve more quickly and uniformly? Gently heating the liquid to reduce particle size What is a levigating agent? Castor oil; glycerin, mineral oil Page 4 of 6 Chapter Outline Compounding Ointments and Creams Key Terms Compounding Powders diluent powder Filling Capsules punch method Geometric Dilution Method geometric dilution method Why is it important to follow the USP Chapter 795 steps in compounding prescriptions? What is the appropriate container for each of these products: tablets and capsules-ambercolored prescription vials, ointments and creams-white ointment jar, suppositoriescardboard box? The Compounding Process Selecting Medication Containers Labeling and Cleanup Final Check by the Pharmacist Patient Counseling by the Pharmacist Study Questions When compounding ointments and creams, how can you achieve a smooth end product? Use a spatula press against slab to provide a shearing force How are oral solid pediatric doses prepared? Pulverize, or triturate tablet mix resultant powder with diluent and use that powder to fill capsule What are three ways to fill capsules? Punch method; capsule machine, hand fill What is the procedure for combining drugs using the geometric dilution method? Use mortar/pestle to gradually combine several drugs and inactive ingredients pharmaceutical elegance What information should be on the medication container label? Ingredients and amounts; beyond use date; lot number and date of compounding What is correct cleanup procedure for ingredients containing hazardous chemicals? Discard in sealed bag then place in bio bag; verified and signed off by pharmacist; outside vendor takes and discards What does the final check by the pharmacist include? Final product; master control and calculations What information should the pharmacist communicate to the patient? Individually prepared and compounded and make sure they understand information Page 5 of 6 Chapter Outline Reimbursement Key Terms Study Questions Why is the number of specialized compounding pharmacies growing? More need for specialized meds Page 6 of 6