Janssen Pipeline UK CAB 20th January 2012 Dr Michael Aboud Medical Lead Virology This presentation has been produced in response to a specific request and may contain information about a non-approved indication and product Key Drugs in Clinical Development at Janssen Name Drug Class Phase Under investigation for: Darunavir (TMC114) HIV protease inhibitor Approved HIV/AIDS treatment Etravirine (TMC125) NNRTI Approved HIV/AIDS treatment Rilpivirine (TMC278) - Oral formulation - Long-acting NNRTI Approved Phase I HIV/AIDS treatment HIV/AIDS treatment, prevention Telaprevir (VX-950) HCV protease inhibitor Approved HCV treatment TMC120 (dapivirine) NNRTI Phase IIa HIV/AIDS prevention (microbicide) Antifungal Approved Oropharyngeal candidiasis Diarylquinolone Phase III Tuberculosis (multi-drug resistant) HCV protease inhibitor Phase III HCV treatment Tibozole (miconazole) TMC207 TMC435350 NNRTI, non-nucleoside reverse transcriptase inhibitor; RTI, reverse transcriptase inhibitor Data on file. Tuberculosis infection and disease TMC207 core slide set TB is a global problem WHO estimated prevalence of TB cases 2008 Per 100,000 population WHO http://gamapserver.who.int/mapLibrary/Files/Maps/MDG6_TBincidence_08.png) TMC207: slide 3 Tuberculosis Is the Most Common Infectious Disease • • Worldwide, 2 billion people are infected with TB (LTBI) 16 million+ patients have active TB • 9.27 million new cases in 2007 • = 139 cases per 100,000 population • 2 million TB deaths per year • 1.32 million people not infected with HIV • 456,000 people who were infected with HIV • 95% Of TB cases and 98% of TB deaths in low- and middle-income countries • 22 high burden countries account for 80% of cases (India, China, Indonesia, Nigeria, South Africa) Globally, tuberculosis is the #1 cause of death in HIV+ patients • • MDR-TB cases = 500,000 in 2007 (289,000 new cases, with highest rates in India, China, Russia, South Africa, Bangladesh) 55 countries have reported cases of XDR-TB by the end of 2008 Mycobacterium tuberculosis • Slowly replicating, rod-shaped Gram-positive bacteria • Obligate intracellular pathogen: multiplies in macrophages • Inhibition of fusion with lysosomes • Waxy cell wall resists lysosomal enzymes • Macrophage lifespan is several months Phagocytosis of Mycobacterium tuberculosis http://microbiologybytes.wordpress.com/2008/06/25/theinfluence-of-host-and-bacterial-genotype-on-the-development-oftuberculosis/ Diagnosis of tuberculosis TMC207 core slide set Signs, Symptoms and Diagnosis of TB • X-ray • Sputum smear microscopy • Culture Diagnosis of pulmonary TB • Sputum smear • Acid fast stain (>10,000 CFU/ml) • Bronchoscopy • Chest X-Ray • Tuberculin skin testing (TST) National Cancer Institute. 2006 http://www.nlm.nih.gov/medlineplus/ency/images/ency/fullsize/1607.jpg TMC207: slide 8 Tuberculosis treatment and multidrug resistance TMC207 core slide set Treatment of Pulmonary Tuberculosis Active TB Global standard of care: Direct Observed Treatment Short-course (DOTS) Month 1 Month 2 H,R,Z(,E) Month 3 H,R Month 4 H,R Month 5 HIV co-infection challenging because of DDI H,R,Z(,E) Month 6 H,R Intensive Phase Rapid reduction of bacterial load to reduce infectiousness Continuation Phase Eliminate remaining bacteria to prevent subsequent relapse H,R MDR-TB • No global standard of care (4 drugs, one injectable, for 18-24 months) H = Isoniazid R = Rifampin Z = Pyrazinamide E = Ethambutol Failure of first-line TB treatment: drug resistance • Multidrug-resistant (MDR) TB In-vitro resistance to at least isoniazid and rifampicin – 3.6% of all incident TB cases globally are estimated to have MDR-TB – 390 000–510 000 cases of MDR TB were estimated to emerge in 2008 – The highest proportions of MDR-TB are found in countries of Eastern Europe and Central Asia • Extensively drug-resistant (XDR) TB MDR plus resistance to fluoroquinolones and at least 1 of the 3 second-line injectable drugs (amikacin, kanamycin, capreomycin) – 963 cases of XDR-TB reported to WHO globally from 33 countries in 2008 – As of Jan 2010, 58 countries had reported to WHO at least one case of XDR-TB WHO. Multidrug and extensively drug-resistant TB (M/XDR-TB). 2010 Global Report on Surveillance and Response. Available at: http://whqlibdoc.who.int/publications/2010/9789241599191_eng.pdf TMC207: slide 11 A high proportion of previously treated TB cases are multidrug-resistant (MDR) Estimated global incidence and proportion of MDR among TB cases, 2004 New Cases Previously treated cases Total cases Zignol M, et al. JID 2006; 194: 479-85 TB cases MDR cases % 8,897,743 272,906 2.7 982,639 181,408 18.5 9,880,382 424,203 4.3 TMC207: slide 12 Distribution of MDR among new cases (1994─2009) WHO. Multidrug and extensively drug-resistant TB (M/XDR-TB). 2010 Global Report on Surveillance and Response. Available at: http://whqlibdoc.who.int/publications/2010/9789241599191_eng.pdf TMC207: slide 13 Distribution of MDR among previously treated cases (1994─2009) WHO. Multidrug and extensively drug-resistant TB (M/XDR-TB). 2010 Global Report on Surveillance and Response. Available at: http://whqlibdoc.who.int/publications/2010/9789241599191_eng.pdf TMC207: slide 14 Diagnosis of MDR-TB • Risk factors – – – – – History of prior therapy History of non-adherence Residence in an MDR-endemic area Exposure to known or suspected MDR-TB case HIV infection (in some settings) • Early recognition of treatment failure – Lack of sputum conversion, persistent or recurrent cough, continued fever, night sweats and failure to gain weight • Drug susceptibility testing (DST) – WHO recommends DST for previously treated patients and patients living with HIV (and in all patients at start of therapy where availability permits) TMC207: slide 15 There are several classes of second-line agents Class Agents Comments Aminoglycosides Amikacin (Am) Kanamycin (Km) Injectable Cyclic polypeptides Capreomycin (Cm) Injectable D-alanine analogues Cycloserine (Cs) Terizidone (Trd) Oral bacteriostatic agents Carbothionamides Ethionamide (Eto) Protionamide (Pto) Oral bacteriostatic agents Fluoroquinolones Ciprofloxacin Gatifloxacin Levofloxacin (Lfx) Moxifloxacin (Mfx) Oxofloxacin (Ofx) Antifolates p-aminosalicylic acid (PAS) Phenazine derivatives Clofazimine (Cfz) WHO guidelines for the programmatic management of drug-resistant tuberculosis: emergency update 2008. Available at: http://www.who.int/tb/publications/2008/programmatic_guidelines_for_mdrtb/en/index.html TMC207: slide 16 Treatment of MDR-TB: general principles • Use at least 4 drugs certain to be active – Drugs to which resistance is known to be rare – DST results show susceptibility (with good laboratory reliability e.g. injectables, fluoroquinolones) – Drugs not commonly used in the area – Drugs with no prior history of failure in an individual patient • Do not use drugs for which there is a possibility of crossresistance • Eliminate drugs that are not safe • Include first-line agents, injectables and fluoroquinolones before other options • If DST unavailable, a standard regimen is proposed by WHO WHO Treatment of tuberculosis: guidelines (4th Edn.). Available at: http://www.who.int/tb/publications/tb_treatmentguidelines/en/index.html TMC207: slide 17 Common adverse effects of TB treatments Adverse effect Associated with: G.I. complaints Ethionamide, cycloserine, p-aminosalicylic acid, fluoroquinolones, clofazimine Hepatotoxicity Ethionamide, pyrazinamide, p-aminosalicylic acid, fluoroquinolones Peripheral neuropathy Ethionamide, cycloserine, linezolid Rash All Headache Fluoroquinolones, cycloserine, ethionamide, ethambutol Seizures Cycloserine Hypothyroidism Ethionamide, p-aminosalicylic acid Hearing loss, vestibular toxicity Aminoglycosides, capreomycin Behavioral changes Cycloserine, ethionamide, fluoroquinolones Visual changes Ethambutol, rifabutin, linezolid Renal failure, hypokalemia, hypomagnesemia Aminoglycosides, capreomycin Arthralgia pyrazinamide Elevated uric acid pyrazinamide TMC207: slide 18 Drug interactions • Relatively few drug interactions substantially change concentrations of anti-TB drugs • Anti-TB drugs sometimes change concentrations of other drugs – Rifamycins can decrease serum concentrations of many drugs, (e.g., most of the HIV-1 protease inhibitors), to sub-therapeutic levels – Isoniazid increases concentrations of some drugs (e.g., phenytoin) to toxic levels TMC207: slide 19 TMC207 (bedaquiline) update 20 TMC207 (bedaquiline) In vitro: • • • • Active on DS-TB, MDR-TB and XDR-TB Targets mycobacterial ATP synthase First drug to interfere with energy production Kills replicating and non-replicating bacilli In mice: • Shortens treatment duration of DS TB from 6 to 4 months when added to SOC • Shortens treatment duration of MDR TB from 24 to 6 months when added to SOC In patients: • Proof-of-Principle in one week early bactericidal activity (EBA) trial •Increases culture conversion by ~ 40% in MDR TB patients (8 week trial) Andries et al., Science 2005, 307, 223 Lounis et al., AAC 2006, 50, 3543 Koul et al., NCB 2007, 3, 323 Koul et al., JBC 2008, 283, 25273 Rustomjee et al., AAC 2008, 52, 2832 Diacon et al., NEJM 2009, 360, 2397 21 Ibrahim et al. AJRCM 2009, in press Key Phase I PK findings Linear PK Positive food effect (2-fold increase in exposure) Metabolized by CYP3A4 • No inhibition or induction of CYP3A4 in vitro Administration of Rif lowers TMC207 levels 50% (thru CYP3A4) Administration of ketoconazole & LPV/r modestly increased TMC207 exposure (22%). Administration of NVP does not affect TMC207 exposure Long terminal elimination half-life (steady state levels not achieved by day 14) McNeeley D, et al. IUATLD 2006. oral Van Heeswijk et al., ICAAC 2007, A-780 Van Heeswijk, et al., IUATLD 2007, PS-71358-11 Van Heeswijk et al, IAS 2010, WEPE0097 Van Heeswijk et al, IAS 2011, MOPE172 22 TMC207-C208 Stage 2 Efficacy and Safety Results 23 C208 – Trial Design – randomized controlled multi-center Rif washout period Patients with newly diagnosed sputum smear positive pulmonary MDR-TB infection Stratification by • Site • Lung cavitation double-blind phase BR alone BR + TMC207 BR + placebo 1w 24 weeks Stage II (n=161) • • • • • • • • Brazil India Latvia Peru Philippines Russia South Africa Thailand • 2 y follow-up • 18-24 month total MDR-TB treatment TMC207 regimen: • 400 mg QD for 14 days, then • 200 mg TIW 2 McNeeley, et al. 41st IUATLD 24 2010. Oral presentation C208 Stage 2 Objectives • Demonstrate superiority of TMC207 compared to placebo at 24 W of treatment • Primary analysis = time to sputum culture conversion • Sputum culture conversion is defined as 2 consecutive negative MGIT cultures collected at least 25 days apart and not followed by a confirmed positive culture. • Subjects who drop out during the 24W are considered failed, irrespective of their culture status at time of dropout. • Secondary analysis = culture conversion rates at 24 W McNeeley, et al. 41st IUATLD 2010. Oral presentation 25 Inclusion Criteria • Male and female 18-65 years • Positive sputum smear > 1+ • Confirmed resistance to INH and RIF • HIV negative or HIV+ with CD4+ > 300 and no ART • No previous 2nd line anti-tuberculosis agents • No significant extrapulmonary TB or concomitant illness McNeeley, et al. 41st IUATLD 2010. Oral presentation 26 C208 Baseline Characteristics Placebo N=81 TMC207 N=79 Gender - male (%) 61 66 Age - median (yrs) 35 31 HIV negative (%) 82 91 Body weight - median (kg) 53 54 McNeeley, et al. 41st IUATLD 2010. Oral presentation 27 C208 - Populations for Analysis Screened (282) Placebo TMC207 Randomized (161) 81 80 ITT (160) 81 79 Modified ITT (132) 66 66 ITT population: Randomized subjects who had at least one dose of TMC207 or placebo Modified ITT population (mITT): - Non-MDR subjects - XDR subjects - MGIT results not evaluable ITT subjects excluding: (8 placebo + 4 TMC207) (4 placebo + 3 TMC207) (4 placebo + 7 TMC207) McNeeley, et al. 41st IUATLD 2010. Oral presentation 28 Background Regimen The preferred 5-drug background regimen consisted of: • Ethionamide, Pyrazinamide, Ofloxacin, Kanamycin, and Cycloserine/(Terizidone in South Africa). Changes in the background regimen occurred over time due to: • DST results and side effects • Switches within the same drug class (due to shortage on site) McNeeley, et al. 41st IUATLD 2010. Oral presentation 29 C208 - Baseline Drug Resistance Second Line Drug Resistance n (%) Asia Europe South America South Africa Ethionamide N = 11 1 (9 %) N = 15 1 (7 %) N = 32 0 (0 %) N=71 9 (13%) Kanamycin 0 (0 %) 10 (67 %) 10 (31 %) 2 (3 %) Ofloxacin 4 (36 %) 3 (20 %) 6 (19 %) 5 (7 %) Pyrazinamide 4 (36 %) 11 (73 %) 16 (50 %) 46 (65%) Similar distribution of resistance in TMC and Placebo groups No resistance to TMC207 30 C208-Most frequent AEs ITT (≥10% in at least 1arm) Placebo N=81 TMC207 N=79 Nausea 29 (36%) 27 (34%) Arthralgia 20 (25%) 27 (34%) Hyperuricaemia 25 (31%) 20 (25%) Vomiting 22 (27%) 20 (25%) Headache 15 (19%) 21 (27%) Haemoptysis 12 (14%) 15 (19%) Dizziness 10 (12%) 9 (11%) Pruritis 12 (15%) 10 (13%) Abdominal pain upper 7 (9%) 9 (11%) Back pain 5 (6%) 8 (10%) Insomnia 9 (11%) 10 (13%) Pyrexia 7 (9%) 8 (10%) Deafness unilateral 7 (9%) 8 (10%) McNeeley, et al. 41st IUATLD 2010. Oral presentation 31 C208 Safety • Adverse events evenly distributed across treatment groups • Discontinuations due to adverse events were unrelated to the study drug • Placebo: 4 discontinuations during the treatment phase (drug exposure during pregnancy, amylase/lipase increase, urticaria and pregnancy) • TMC207: 3 discontinuations during the treatment phase (transaminase increases: 2 cases of acute Hep B infections and 1 alcoholic binge) • No serious adverse events related to study drug • No clinically significant differences in laboratory tests • QTcF prolongation seen - no adverse events associated with QTcF changes - no pathologically prolonged QT intervals (> 500 msec) McNeeley, et al. 41st IUATLD 2010. Oral presentation 32 1.0 C208 - Time to Conversion(TtC)- mITT 0.6 0.4 58% 79% 0.2 Proportion of Culture Positive Patients 0.8 Secondary analysis: p=0.008 for the difference in proportion 0.0 Placebo TMC207 BAS W 4 W 8 W 12 W 16 W 20 W 24 Time to Culture Conversion (in Days) Time to 50% culture conversion: 12 weeks in the TMC207 group Subjects out are censored at 24W and 18 weeks dropping in the placebo group McNeeley, et al. 41st IUATLD 2010. Oral presentation 3 33 Conclusions from study C208 TMC207 was safe and well-tolerated over 24 weeks Addition of TMC207 to a 5-drug MDR-TB regimen resulted • In faster culture conversion within 24 weeks (p=0.003) • In median time to culture conversion of 12 versus 18 weeks. • In a higher sputum conversion rate at 24 weeks 79% vs 58% (p=0.008) McNeeley, et al. 41st IUATLD 2010. Oral presentation 34 TMC207-C209 Open label study: Trial Design Open label Patients with newly and nonnewly diagnosed sputum smear positive pulmonary MDR-TB; 25% PreXDR and 21% XDR OBR + TMC207 2w screening 24 weeks (n=233 ITT) (n=205 mITT) (mITT excluded DS TB and MGIT non-evaluable) TMC207 regimen: • 400 mg QD for 14 days, then • 200 mg TIW OBR alone • China • Estonia • Latvia • Peru • Philippines • Russia • South Africa • South Korea • Thailand • Turkey • Ukraine • 2 y follow-up • 18-24 month total MDR-TB treatment 24 w data available OBR= optimized background regimen 35 C209 Inclusion Criteria • Male or female, 18 years or older • Positive sputum smear > 1+ • Confirmed resistance to INH and RIF, including Pre-XDR and XDR (if 3 TB drugs in BR to which the isolate = susceptible) • HIV negative or HIV+ with CD4+ > 250 & ART (triple nuke) • No significant extrapulmonary TB or concomitant illness 36 C209: Background Regimen The majority of patients had a baseline background regimen consisting of: – – – – – – Fluoroquinolones (89%) Ethionamide/Protionamide (79%) Pyrazinamide (76%) Aminoglycosides (72%) Cycloserine/Terizidone (58%) Ethambutol (52%) A large number of other miscellaneous anti-TB drugs were used Changes in the background regimen occurred over time due to: • DST results • Side effects • Switches within the same drug class (due to shortage on site) * Approx. 86% of the MDR TB patients were on previous TB treatment with a median duration of 36 days prior to baseline. 37 C209: Demographics & baseline characteristics ITT N=233 mITT N=205 Gender - male (%) 64 64 Age - median (yrs) 32 32 HIV negative (%) 95 95 Body weight - median (kg) 57 57 Non-newly diagnosed (%) 87 86 Extent of resistance (%) MDR TB Pre-XDR TB XDR-TB 53 25 21 54 25 21 38 C209 - Baseline Drug Resistance China Eastern Europe South America South Africa N = 24 17% N=40 28% N = 34 24 % N = 10 0% N=59 10% Kanamycin 29 % 30% 44 % 30 % 14 % Ofloxacin 58 % 73% 38 % 10 % 12 % Pyrazinamide 72 % 75% 88 % 90% 76% Second Line Drug Resistance n (%) Ethionamide Asia (other) 39 C209 - Baseline Drug Resistance-Europe Second Line Drug Lativia 20% Estonia 40% Russian Fed 0 Kanamycin 50% 60% 67% 50% 0 44 % Ofloxacin 30% 80% 33% 50% 0 38 % Pyrazinamide 80% 100% 100% 100% 67% 88 % Ethionamide Ukraine 0 Turkey 67% Total 24 % N: Rus-3; Est-5; Lat-10: Tuk-6; Ukr-10 40 C209: Conversion rates (MGIT)-Wk 24 Analysis-mITT 79.5% response rate 4 41 Time to conversion by subgroup 55.6% response rate 77.3% response rate 87.1% response rate The intersection of horizontal dotted line and each treatment arm represents the median time to sputum conversion. 42 Tabulation of most frequent AE’s •Most frequently reported adverse events (>10%) during the investigational phase: •nausea (11%), •arthralgia (12%) and •hyperuricaemia (14%) •22% of the subjects stopped a background TB drug due to an AE •2% (n=4)of the subjects stopped TMC207 prematurely due to an AE 43 Conclusions from study TMC207- C209 •Addition of TMC207 to an individualized MDR-TB regimen: • Was safe and well-tolerated • Resulted in an 80% culture conversion rate at week 24, with median times to culture conversion of: • 8 weeks for patients with MDR TB • 12 weeks for patients with Pre-XDR TB • 24 weeks for patients with XDR TB •Responder rates were higher for: • Patients with no cavitations (p* = 0.0157) • Patients with lower extent of resistance (p* = 0.0006) • Patients on 3 or more potentially active drugs in their BR (p* = 0.0376) * Cox proportional hazards model 44 Phase III Design 45 TMC207-C210 Trial Design BR = (K4m)PrHLECZ (6m) + LECZ 46 (3m) 46 ARV Pipeline To edit footers: "insert tab>header and footer" and apply to all 06.03.2010 47 DARUNAVIR Paedatrics DRV liquid Nucleoside sparing regimens NEAT 001: DRV + RAL: 800 pts; Results 2013 MODERN: DRV/r + MVC QD: 804 pts; Results 2014 Monotherapy PROTEA Formulations: 800mg tablet: Jan 2013 GLIDE 1: DRV + GS9350 GLIDE 2: DRV + GS9350 + FTC + GS7340 To edit footers: "insert tab>header and footer" and apply to all 06.03.2010 48 ETRAVIRINE • Switch studies • UK Switch • Switch EE • Txt Naïve studies • SENSE • KALYINTE: Kaletra + ETR • Txt Experienced studies –INROADS: ETR + DRV/r QD To edit footers: "insert tab>header and footer" and apply to all 06.03.2010 49 RILPIVIRINE • Approved Dec 2011 • Single tablet - Edurant • FDC - Eviplera • Further Trials: –STAR: Atripla vs. Eviplera –PI switch study –Paedatric program –PK in Pregnancy (DRV + ETR as well) To edit footers: "insert tab>header and footer" and apply to all 06.03.2010 50 THANK YOU To edit footers: "insert tab>header and footer" and apply to all 06.03.2010 51