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Investigational Anti-PD-1 Immunotherapy BMS-936558 Showed Clinical Activity in Phase 1 Trial of Patients with Previously-Treated Non-Small-Cell Lung Cancer, Metastatic Melanoma and Renal Cell Cancer
PRINCETON, New Jersey, June 2, 2012 /PRNewswire/ -- Bristol-Myers Squibb Company (NYSE: BMY) announced interim results from the expanded Phase 1 dose-ranging study 003 (n=296) of its investigational anti-PD-1 immunotherapy (BMS-936558), which showed clinical activity in patients with previously-treated non small-cell lung cancer (NSCLC), metastatic melanoma and renal cell carcinoma (RCC). Anti-PD-1 is a fully-human antibody that targets the inhibitory receptor expressed on activated T-cells called PD-1 or programmed death-1. Objective response rates (ORs) across dose cohorts, as measured by standard RECIST criteria, ranged from 6% to 32% in NSCLC, 19% to 41% in metastatic melanoma and 24% to 31% in RCC. Most responses were durable.
Drug-related serious adverse events occurred in 11% of patients who received BMS-936558. Drug-related adverse events of special interest, defined as those with potential immune-related etiology, were sometimes severe and life-threatening.
The data on anti-PD-1 were published today in the New England Journal of Medicine and featured in four oral presentations at the 48th Annual Meeting of the American Society of Clinical Oncology (Abstract # 2509, 4505, 7509 and 8507). Additionally, abstracts from the NSCLC cohort (Abstract# 7509) and the melanoma cohort (Abstract #8507) of study 003 have been chosen for the Best of ASCO® educational program.
"Results from this Phase 1 study of anti-PD-1 showed clinical activity across NSCLC, metastatic melanoma and RCC, adding to our scientific understanding of the potential of immuno-oncology as a therapeutic approach in the treatment of cancer," said Dr. Thomas J. Lynch, Jr., director of Yale Cancer Center and physician-in-chief of the Smilow Cancer Hospital at Yale-New Haven, which was involved in the clinical trials. "These data are encouraging and support further investigation of anti-PD-1 in large-scale, randomized Phase 3 trials."
"Immuno-oncology is a prioritized area of research and development at Bristol-Myers Squibb and we plan to initiate registrational studies for anti-PD-1 in NSCLC and RCC this year and late 2012, early 2013 for metastatic melanoma," said Brian Daniels, senior vice president, Global Development and Medical Affairs, Bristol-Myers Squibb. "Our commitment to advancing the science of immuno-oncology is underscored by the data presented at ASCO and published in the New England Journal of Medicine, our ongoing development programs for immuno-oncology assets including YERVOY® (ipilimumab) and anti-PD-1, and the investment in the International Immuno-Oncology Network, a collaboration with leading cancer research centers."
Data on a second investigational immunotherapy from Bristol-Myers Squibb, anti-PD-L1 (BMS-936559), were also published today in the New England Journal of Medicine and featured in an oral presentation at ASCO (Abstract # 2510). BMS-936559 is fully-human antibody that targets one of the immunosuppressive ligands for PD-1, PD-L1, which is often expressed on tumor, stromal and immune cells.
Through a collaboration agreement with Ono Pharmaceutical, Bristol-Myers Squibb expanded its territorial rights to develop and commercialize anti-PD-1 (BMS-936558/ONO-4538) globally except in Japan, Korea and Taiwan where Ono has retained all rights to the compound.
Study 003 Interim Results
Objective responses, as measured by standard RECIST criteria, were observed in patients treated with BMS-936558 across dose cohorts and across the NSCLC (6% to 32%), metastatic melanoma (19% to 41%) and RCC (6% to 32%) tumor types. Most responses were durable with response durations >/= 1 year in 65% of responders with >/= 1 year follow-up.
The spectrum, frequency, and severity of treatment-related adverse events (AEs) were generally similar across tested dose levels. Common drug-related AEs included fatigue, rash, diarrhea, decreased appetite and nausea, with Grade 3-4 AEs observed in 14% of patients. Drug-related AEs of special interest, defined as those with potential immune-related etiologies, included pneumonitis, vitiligo, colitis, hepatitis, hypophysitis and thyroiditis. Hepatic or gastrointestinal AEs were managed with treatment interruption and administration of corticosteroids, as needed. Endocrine disorders were managed with replacement therapy. Drug-related pneumonitis occurred in 9 of 296 (3%) patients. Grade 3-4 pneumonitis developed in 3 (1%) patients and was associated with 3 drug-related deaths.
About Study 003
Study 003 is a dose-ranging Phase 1 study (n=296) evaluating the safety, antitumor activity and pharmacokinetics of BMS-936558 in patients with advanced melanoma (n=104), non-small cell lung cancer (n=122), renal cell carcinoma (n=34), castration-resistant prostate cancer (n=17) and colorectal cancer (n=19).
Eligible patients were administered BMS-936558 as an intravenous infusion every 2 weeks of each 8-week treatment cycle. Cohorts of three to six patients per dose level (0.1, 0.3, 1.0, 3.0 or 10 mg/kg) were enrolled sequentially. Patients continued treatment
Immuno-Oncology at Bristol-Myers Squibb
Immuno-oncology, which focuses on the scientific potential of harnessing the unique properties of the immune system to fight cancer, is a prioritized area of research and development at Bristol-Myers Squibb. The Company is committed to leading advances in this important field of research and is exploring a variety of innovative compounds and immunotherapeutic approaches to help address significant unmet medical needs in a broad range of cancers.
About Bristol-Myers Squibb
Bristol-Myers Squibb is a global biopharmaceutical company whose mission is to discover, develop and deliver innovative medicines that help patients prevail over serious diseases.
This press release contains "forward-looking statements" as that term is defined in the Private Securities Litigation Reform Act of 1995 regarding the research, development and commercialization of pharmaceutical products. Such forward-looking statements are based on current expectations and involve inherent risks and uncertainties, including factors that could delay, divert or change any of them, and could cause actual outcomes and results to differ materially from current expectations. No forward-looking statement can be guaranteed. Among other risks, there can be no guarantee that the all of the compounds described in this release will move from exploratory development into full product development, that the clinical trials of these compounds will support regulatory filings, or that all of the compounds will receive regulatory approvals or, if approved, that they will all become commercially successful products. Forward-looking statements in this press release should be evaluated together with the many uncertainties that affect Bristol-Myers Squibb's business, particularly those identified in the cautionary factors discussion in Bristol-Myers Squibb's Annual Report on Form 10-K for the year ended December 31, 2011, in our Quarterly Reports on Form 10-Q and our Current Reports on Form 8-K. Bristol-Myers Squibb undertakes no obligation to publicly update any forward-looking statement, whether as a result of new information, future events or otherwise.