Roger Perlmutter
Analyst · Morgan Stanley. Your line is now live. Go ahead, please
Thank you very much, Rob. During the third quarter, our laboratories made important advances on many fronts, including regulatory approvals, filing of new drug applications, obtaining meaningful new clinical data, advancing new product opportunities into development, and forging new R&D alliances. Our press release tabulates many of these accomplishments, but cannot convey the rapid pace at which these programs are advancing. As an example, during the third quarter the United States Food & Drug Administration approved an expanded label for KEYTRUDA in the setting of relapsed or refractory classical Hodgkin lymphoma, based on our KEYNOTE-204 study that compared KEYTRUDA monotherapy to treatment with brentuximab vedotin a standard therapy. But note that approval of this indication was received at just three months after acceptance of the file, a reflection of the high quality of the underlying work by our clinical development and regulatory colleagues. KEYTRUDA is also under review for the first line treatment in combination with chemotherapy of previously untreated locally recurrent in operable or metastatic triple negative breast cancer, with tumors expressing PD-L1, the combined proportion score of 10 or greater, based on the results of our KEYNOTE-355 study for the PDUFA date of November 28. And also for the neoadjuvant and adjuvant treatment of triple negative breast cancer, based on the results of our KEYNOTE-522 study with a PDUFA date of March 29, 2021. Results from these studies have been previously presented. In Europe, the Committee for Medicinal Products for Human Use or CHMP adopted positive recommendations for Lymparza as monotherapy in the treatment of patients with metastatic BRCA mutant, castration-resistant prostate cancer who have progressed following treatment with a modern androgen blocking agent. Lymparza also received a favorable opinion for the first line maintenance treatment in combination with bevacizumab of advanced homologous recombination deficient ovarian cancer based on the results of the TOWER I [ph] Phase 3 study. Meanwhile, in Japan we obtained approval for KEYTRUDA in the second line treatment of PD-L1 positive esophageal cancer, based on data from our KEYNOTE-181 study. We also received approval in Japan for the 400 mg every six weeks regimen for KEYTRUDA across all adult indications, an approach already adopted in Europe and in the United States. I mentioned each of these approvals because they document the continued progress of our broad based registration programs for KEYTRUDA and for our partnership with AstraZeneca on Lymparza which is conducted around the world, despite the challenges imposed by the COVID-19 pandemic. At the European Society for Medical Oncology meetings in early September, we highlighted long-term data demonstrating the durable impact of KEYTRUDA in the treatment of malignant disease. For example, data from our KEYNOTE-024 study in the first line treatment of non-small cell lung cancer in patients whose tumors expressed PD-L1 on at least 50% tumor cells showed that after five years overall survival nearly doubled in the KEYTRUDA treated group as compared with those who received traditional chemotherapy, this despite a high rate of crossover to KEYTRUDA in the chemotherapy arm. Similarly, a combination of chemotherapy plus KEYTRUDA, as compared with chemotherapy alone meaningfully improved overall survival at four years in squamous cell carcinoma of the head and neck, and especially in those whose tumors that combined proportion scores for PD-L1 expression of greater than 1, based on our KEYNOTE-048 study. And in the adjuvant treatment of melanoma, following surgical resection, the long term data showed a 40% reduction in the risk of distant metastases in the KEYTRUDA treated population, as opposed to those who did not receive adjuvant therapy. Together these data speak to the durable improvement and outcomes, the attempts at the use of KEYTRUDA in otherwise difficult to manage malignancies. At ESMO 2020, we also presented data regarding potential new cancer therapies including vibostolimab, our anti-TIGIT antibody, which we hope may improve treatment responses when combined with KEYTRUDA in non-small cell lung cancer patients, whose tumors express low levels of PD-L1, including in patients who have progressed on prior checkpoint inhibitor therapy. Vibostolimab is one of three new agents that we have prioritized for combined therapy with KEYTRUDA, and we will advance this agent to pivotal trials in 2021. We also presented data for MK-4830 an ILT4 antibody that acts to block immune suppression imposed by elements of the tumor microenvironment. MK-4830 showed promising activity in multiple tumor types, including in patients whose tumors had progressed on PD-L1 therapy. Ongoing expansion cohorts will explore the activity of MK-4830 in pancreatic adenocarcinoma, glioblastoma, head and neck cancer, advanced non-small cell lung cancer, and gastric cancer. More recently at the North American conference on lung cancer, we presented data on the combination of quavonlimab, our novel CTLA-4 directed therapy at a dose of 25 mg every six weeks in combination with KEYTRUDA in the first line treatment of non-small cell lung cancer. Data obtained after 16.9 months of median follow up showed an overall response rate of 37.5%, and a median overall survival of 18.1 months. Importantly, the median duration of response in the responding population was not reached. The registration enabling study testing quavonlimab co-formulated with KEYTRUDA is planned for 2021. The third quarter gave us the opportunity to advance many other new drug candidates in a variety of other therapeutic areas. For example, we presented additional data on the activity of MK-6482, our HIF-2 alpha inhibitor in the treatment of von Hippel-Lindau disease, documenting shrinkage of tumors with MK-6482 therapy in the kidney, with the overall response rate, including only confirmed responses were 36.1%. For pancreatic lesions in this disease, the confirmed overall response rate was 63.9% and hemangioblastomas of the central nervous system the confirmed overall response rate was 30.2%. These are meaningful responses, especially since current therapy for von Hippel-Lindau disease required surgical extravasation [ph] of tumors, often involving dozens of procedures extending over many years. In the infectious disease area, we continue to advance islatravir, our novel non nucleoside reverse transcriptase translocation inhibitor for daily administration in combination with PIFELTRO. Phase 2B 96-week data presented at the HIV Glasgow meeting, demonstrated sustained viral suppression in treatment-naive patients which augurs well for the future of this regimen. Phase 3 studies will began in February of this year. We also advanced MK-8507, a new long acting non-nucleoside reverse transcriptase inhibitor, which we believe will partner well with islatravir in extended dose regimens. Meanwhile we announced positive immunogenicity results for four additional Phase 3 studies of V114, 15-valent pneumococcal conjugate vaccine when dosed in adults. These data helped to complete the entire set of adult registration studies, which will be filed before the end of the year. Finally during the third quarter, we've made substantial progress in our COVID-19 directed programs. Turning first to molnupiravir, formerly known as MK-4482, which is a direct acting orally bioavailable antiviral drug that we're developing in partnership with Ridgeback Biotherapeutics. Phase 1 studies completed during the first quarter provided evidence of the compound as well tolerated as monotherapy in single doses as high as 1.6 grams and in multiple doses of 800 mg twice per day for five days. We believe that the concentration of the active [indiscernible] that were treated should be more than sufficient to terminate virus production. Three relatively small Phase 2 dose escalation studies evaluating the antiviral effect of molnupiravir in COVID-19 patients were initiated by our colleagues at Ridgeback and data from these studies will soon become available. Meanwhile we have initiated two large global Phase 2/3 studies, one in hospitalized patients and the second in outpatients. Together these studies will enroll more than 2700 patients, and will examine clinical outcomes, including both efficacy and safety. Based on its mechanism of action we are hopeful that this new therapy, which is administered orally in capsule form will meaningfully reduce morbidity and mortality in COVID-19 patients. Along with this progress in clinical development, we have secured resources to produce millions of doses of molnupiravir before the end of 2020 with an even greater supply becoming available early in 2021. It should be mentioned that in preclinical studies, molnupiravir is active against numerous coronavirus species, including those responsible for SARS and MERS, as well as a wide variety of RNA viruses, including the influenza virus. Hence molnupiravir could prove to be a useful antiviral agent in a variety of settings. Our COVID-19 directed vaccine candidates were also advanced into clinical trials during the third quarter. As Ken mentioned, in developing a vaccine against COVID-19, we have pursued proven platforms, focusing in particular on replicating virus vector that could provide durable protection following a single administration. Our first vaccine candidate developed in partnership with the Institut Pasteur in Paris employs a modified measles virus vaccine that has been engineered to express the major surface protein SARS-CoV-2. During the third quarter this vaccine candidate V591 was advanced into two Phase 1 clinical studies involving nearly 300 healthy volunteers. The V591 Phase 1 studies have enrolled well, such that immunogenicity data should become available before the end of the year. A second vaccine candidate, V590 developed in collaboration with the International AIDS Vaccine Initiative or IAVI makes use of a vesicular stomatitis virus vector, which is the same vector system that we use to develop Ervebo, the first successful vaccine for the prevention of Ebola virus disease. The Phase 1 program for V590 is proceeding in much the same fashion as that for V591, albeit offset by several weeks. Here again, we are optimistic that the candidate vaccine will elicit durable immune responses to the SARS-CoV-2 spike protein following a single dose, and that it will be safe and well tolerated. For both V590 and V591 we are developing facilities that will enable us to produce many millions of vaccine doses in the near term, and hundreds of millions of doses should those be required in the longer term. Our expectation is that these vaccines will be made available in a format that permits global distribution with appropriate Cold Chain Management, ideally at refrigerated temperatures. Our prior experience in developing vaccines against many other viral diseases gives us some confidence that we will succeed in producing an effective agent for prophylaxis against COVID-19. In this context, I would call your attention to new data from a study published in the New England Journal of Medicine the beginning of October that make use of Swedish demographic and health registries which capture health data on the entire population of Sweden. The study included 1.67 million girls and women, 10 to 30 years of age, evaluated during the period 2006 to 2017. In that group after adjustment for all covariates there was an 88% reduction in the risk of cervical cancer as a result of immunization with GARDASIL before the age of 17. These new data offer hope for the potential eradication of this disease, which, according to the World Health Organization claims the lives of more than 300,000 women each year. The new Swedish study adds further impetus to our efforts to expand production of GARDASIL 9 with the goal of producing enough of this vaccine, about 200 million doses per year to permit girls and boys around the world to be successfully vaccinated. Finally, I wish to express my gratitude to my colleagues throughout Merck, and especially to those in the Merck Research Laboratories, with whom I have worked on and off since 1996. It has been my privilege to join you in translating breakthrough research into medicines that improve and extend lives. Your success in developing new vaccines like GARDASIL 9, novel antibiotics, new antiviral drugs, new drugs that battle cancer, drugs that improve outcomes in heart failure, and others that offer hope for those suffering from metabolic diseases and chronic debilitating syndromes, your success has not only improved and extended life but has inspired the world. As I plan to assume an advisory role at Merck, I am confident that Dean Li, who will succeed me as President is well prepared to lead MRL to even greater achievements. We have orchestrated an orderly transition in leadership, pledging to ensure in the words of George W. Merck, that human life will earn still greater freedom from suffering and disease. I'll now turn the call over to Peter.