Norbert W. Bischofberger
Analyst · ISI Group
Thank you, Robin. We made significant progress in advancing several important clinical programs across our therapeutic areas in the third quarter. In the press release this afternoon, we announced the U.S. NDA filing of the Quad. I'm very proud of our development teams, who were able to very rapidly, in a period of only 5.5 months, enroll a total of 1,400 patients in the 2 pivotal Phase III studies at 150 sites in North America, Europe, Australia, Mexico and Thailand. In addition, our team has accomplished submission of the NDA in record time, only 6 weeks after last patient last visit and 5 weeks after unblinding of the second Phase III study. This is very impressive, considering that the average industry timelines are 6 to 9 months. And I want to reiterate the industry timelines are 6 to 9 months, not weeks. We provided top line results in August and September from the 2 pivotal Phase III studies, comparing the Quad with 2 current standard of care regimens, Atripla in Study 102 and that is integrated ritonavir, with Truvada in study 103. In both cases, the Quad proved to be non-inferior to the standard of care regimen. In Study 102, 88% of patients on the Quad arm, achieved a viral load of less than 50 copies/mL compared to 84% in the Atripla arm. And in Study 103, 90% of the patients on the Quad arm compared to 87% in the atazanavir ritonavir plus Truvada arm, achieved viral load, less than 50 copies/mL at week 48. The 90% response rate on the Quad arm in Study 103, is to our knowledge, the highest response rate seen in any large-blinded, randomized study in HIV patients. With the data from Studies 102 and 103, we now have strong evidence, supporting the safety and efficacy of the Quad. In addition, the safety tolerability and anti-HIV activity of elvitegravir, one of the components of the Quad, is supported by Study 145. The results, of which were presented at the International AIDS Society Conference this past July. Study 145 compared elvitegravir to raltegravir, in treatment experienced HIV infected patients, and the results indicated that once daily elvitegravir, was non-inferior to twice-daily raltegravir. We will be requesting a priority review from FDA, that if granted, could allow for an FDA approval of the first integrated inhibitor containing single tablet regimen before midyear 2012. For cobicistat and elvitegravir, data from the final study comparing cobicistat to ritonavir, each in combination with atazanavir and Truvada will be available for the end of this year. The elvitegravir and cobicistat NDA filings will follow the Quad filing in the second quarter of 2012. From our earlier stage HIV pipeline, we have now completed the dose-ranging study of GS 7340, our novel prodrug of tenofovir, evaluating doses of 8, 25 and 40 milligrams and have selected a 25-milligram dose for Phase II, providing systemic tenofovir exposures, approximately 10 fold lower than those provided by Viread, with greater anti-viral activity. We're doing formulation works now to produce GS 7340 containing single tablet regimens, for evaluation in Phase II. This includes an integrate-based single tablet regimen of GS 7340 emtricitabine, cobicistat and elvitegravir and a protease inhibitor-based single tablet regimen of GS 7340 emtricitabine, cobicistat and Tibotec's darunavir. With this work well underway, we're now targeting to enroll patients in the first study in early 2012. As we have previously indicated with the data from several studies supporting the use of Truvada as pre-exposure prophylaxis for HIV transmission, known as prep, we intend to file for inclusion of the prevention data in our U.S. Truvada label. We're in ongoing discussions with the FDA and could be in a position to file the NDA before the end of this year. Review of the submission could include an FDA advisory committee meeting, in the first half of next year. As you may know, in July of this year, we filed an MDA for the pediatric formulations. Both in oral powder and reduced strength tablets of Viread, for the treatment of HIV in children ages 2 to 12. We were notified by FDA in September that they granted Viread pediatric exclusivity, extending its patent protection by 6 months to January 2018. We expect action on our filing by early next year, and will be prepared to make the drug available in the U.S. shortly after registration. Turning to our efforts in liver disease. On November 4, the American Association for the Study of Liver Diseases conference, kicks off here in San Francisco. We will present important 5-year data from our pivotal studies of Viread in hepatitis B. In those studies, Viread treatment, not only prevented progression of liver fibrosis, but actually, reversed cirrhosis in a high percentage of patients. In addition, no patient developed resistance to Viread after 5 years of treatment. As we have previously discussed, 2011 has been a very busy year on the hepatitis C front as well. To date, we have enrolled more than 1,600 patients, across 8 Phase II clinical studies, 3 of which, evaluate all oral interferon 3 regimens and 5 evaluate interferon's daily regimens. We look forward to sharing some of these results with you next year. In our growing oncology effort, GS 1101, the lead compound from our Calistoga acquisition, will be entering Phase III studies in patients with chronic lymphocytic leukemia, early next year. A Phase II, single-arm study is currently ongoing, evaluating the efficacy of GS 1101 in patients with indolent non-Hodgkin's lymphoma, were refractory to rituximab and cytotoxics. We're also planning for Phase III studies in patients with iNHL, which would commence, which we would expect to commence in the first half of next year. In addition, we're making progress with the development of GS 6624, the monoclonal antibody added to our pipeline through the acquisition of Arresto. GS 6624 targets LOXL2, which is a crucial enzyme responsible for the establishing the maintenance of the pathological extracellular matrix in both in fibrotic diseases and solid tumors. We have initiated a Phase II study of 2 different doses of GS 6624 in myelofibrosis, and we will initiate 2 Phase II studies of GS 6624 in both pancreatic and colorectal cancer, before year end. The pancreatic and colorectal cancer studies are both double randomized, double-blind placebo-controlled studies, comparing 2 doses of GS 6624 versus the standard of care in second line metastatic disease. In our cardiovascular program, we see significant opportunities to expand the utility of Ranexa. Ranexa appears unique among anti angina agents, and that it reduces ischema and angina. And in addition, there's evidence that it also lowers Hb1c, the biomarker for type 2 diabetes. There's significant overlap between coronary artery disease and type 2 diabetes. About 30% to 40% of coronary artery disease patients also have type 2 diabetes. Hence, these patients could potentially derive a dual benefit from Ranexa. In order to further define this potential benefit, we're planning to initiate 3 Phase III studies, enrolling approximately 400 patients each to determine the effect of Ranexa alone, or in combination with other anti-diabetic therapies, in lowering Hb1c and plasma glucose after 24 weeks of treatment. Another opportunity for Ranexa is its use in conjunction with percutaneous coronary intervention or PCI, to prevent subsequent major adverse outcomes. A sub group analysis of MERLIN, in a 7,000 patient study of Ranexa in acute coronary syndrome, indicated reduction in major adverse cardiovascular events in patients with a history of angina undergoing PCI. We will be initiating a Phase III study, further defining this potential benefit. In this study, 2,600 patients with a history of angina undergoing PCI with incomplete revascularization, will be randomized to Ranexa or placebo, with the end point of major adverse cardiovascular events. In closing, the investments we're making today, both in our internal R&D efforts and through selected business development opportunities, will drive the success of our business in the future. And we look to closing out this year, we will have approximately 60 Phase II and III studies underway, an all-time high for Gilead and the result of a commitment and productivity of the talented employees across our organization. We're confident in our ability to deliver innovative products to the patients we serve. We will now open the call to your questions. Operator?