Phase I Study of Single-Agent Anti–Programmed Death-1 (MDX-1106) in Refractory Solid Tumors: Safety, Clinical Activity, Pharmacodynamics, and Immunologic Correlates
Julie R. Brahmer,Charles G. Drake,Ira Wollner,John D. Powderly,Joel Picus,William H. Sharfman,Elizabeth Stankevich,Alice Pons,Theresa M. Salay,Tracee L. McMiller,Marta M. Gilson,Changyu Wang,Mark J. Selby,Janis M. Taube,Robert A. Anders,Lieping Chen,Alan J. Korman,Drew M. Pardoll,Israel Lowy,Suzanne L. Topalian +19 more
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Blocking the PD-1 immune checkpoint with intermittent antibody dosing is well tolerated and associated with evidence of antitumor activity, and tumor cell surface B7-H1 expression appeared to correlate with the likelihood of response to treatment.Abstract:
Purpose Programmed death-1 (PD-1), an inhibitory receptor expressed on activated T cells, may suppress antitumor immunity. This phase I study sought to determine the safety and tolerability of anti‐PD-1 blockade in patients with treatment-refractory solid tumors and to preliminarily assess antitumor activity, pharmacodynamics, and immunologic correlates. Patients and Methods Thirty-nine patients with advanced metastatic melanoma, colorectal cancer (CRC), castrateresistant prostate cancer, non‐small-cell lung cancer (NSCLC), or renal cell carcinoma (RCC) received a single intravenous infusion of anti‐PD-1 (MDX-1106) in dose-escalating six-patient cohorts at 0.3, 1, 3, or 10 mg/kg, followed by a 15-patient expansion cohort at 10 mg/kg. Patients with evidence of clinical benefit at 3 months were eligible for repeated therapy. Results Anti‐PD-1 was well tolerated: one serious adverse event, inflammatory colitis, was observed in a patient with melanoma who received five doses at 1 mg/kg. One durable complete response (CRC) and two partial responses (PRs; melanoma, RCC) were seen. Two additional patients (melanoma, NSCLC) had significant lesional tumor regressions not meeting PR criteria. The serum half-life of anti‐PD-1 was 12 to 20 days. However, pharmacodynamics indicated a sustained mean occupancy of 70% of PD-1 molecules on circulating T cells 2 months following infusion, regardless of dose. In nine patients examined, tumor cell surface B7-H1 expression appeared to correlate with the likelihood of response to treatment. Conclusion Blocking the PD-1 immune checkpoint with intermittent antibody dosing is well tolerated and associated with evidence of antitumor activity. Exploration of alternative dosing regimens and combinatorial therapies with vaccines, targeted therapies, and/or other checkpoint inhibitors is warranted. J Clin Oncol 28:3167-3175. © 2010 by American Society of Clinical Oncologyread more
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Safety, activity, and immune correlates of anti-PD-1 antibody in cancer.
Suzanne L. Topalian,F. Stephen Hodi,Julie R. Brahmer,Scott N. Gettinger,David Smith,David F. McDermott,John D. Powderly,Richard D. Carvajal,Jeffrey A. Sosman,Michael B. Atkins,Philip D. Leming,David R. Spigel,Scott J. Antonia,Leora Horn,Charles G. Drake,Drew M. Pardoll,Lieping Chen,William H. Sharfman,Robert A. Anders,Janis M. Taube,Tracee L. McMiller,Haiying Xu,Alan J. Korman,Maria Jure-Kunkel,Shruti Agrawal,Dan McDonald,Georgia Kollia,Ashok Kumar Gupta,Jon M. Wigginton,Mario Sznol +29 more
TL;DR: Anti-PD-1 antibody produced objective responses in approximately one in four to one in five patients with non-small-cell lung cancer, melanoma, or renal-cell cancer; the adverse-event profile does not appear to preclude its use.
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The blockade of immune checkpoints in cancer immunotherapy
TL;DR: Preliminary clinical findings with blockers of additional immune-checkpoint proteins, such as programmed cell death protein 1 (PD1), indicate broad and diverse opportunities to enhance antitumour immunity with the potential to produce durable clinical responses.
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Nivolumab versus Docetaxel in Advanced Nonsquamous Non–Small-Cell Lung Cancer
Hossein Borghaei,Luis Paz-Ares,Leora Horn,D. R. Spigel,M. Steins,Neal Ready,L.Q. Chow,Everett E. Vokes,Enriqueta Felip,Esther Holgado,F. Barlesi,M. Kohlhufl,Oscar Arrieta,Marco Angelo Burgio,J. Fayette,H. Lena,Elena Poddubskaya,David E. Gerber,Scott N. Gettinger,Charles M. Rudin,Naiyer A. Rizvi,L. Crina,G. R. Blumenschein,Scott J. Antonia,C. Dorange,C. T. Harbison,F. Graf Finckenstein,Julie R. Brahmer +27 more
TL;DR: Nivolumab was associated with even greater efficacy than docetaxel across all end points in subgroups defined according to prespecified levels of tumor-membrane expression (≥1, ≥5%, and ≥10%) of the PD-1 ligand.
Journal ArticleDOI
Nivolumab versus docetaxel in advanced squamous-cell non-small-cell lung cancer
Julie R. Brahmer,Karen L. Reckamp,Paul Baas,Lucio Crinò,Wilfried Eberhardt,Elena Poddubskaya,Scott J. Antonia,Adam Pluzanski,Everett E. Vokes,Esther Holgado,David M. Waterhouse,Neal Ready,Justin F. Gainor,Osvaldo Arén Frontera,Libor Havel,Martin Steins,Marina Chiara Garassino,Joachim G.J.V. Aerts,Manuel Domine,Luis Paz-Ares,Martin Reck,Christine Baudelet,Christopher T. Harbison,Brian Lestini,David R. Spigel +24 more
TL;DR: Among patients with advanced, previously treated squamous-cell NSCLC, overall survival, response rate, and progression-free survival were significantly better with nivolumab than with docetaxel, regardless of PD-L1 expression level.
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PD-1 Blockade in Tumors with Mismatch-Repair Deficiency
Dung T. Le,Jennifer N. Uram,Hao Wang,Bjarne Bartlett,Holly Kemberling,Aleksandra Eyring,Andrew D. Skora,Brandon Luber,Nilofer S. Azad,Daniel A. Laheru,Barbara A. Biedrzycki,Ross C. Donehower,Atif Zaheer,George A. Fisher,Todd S. Crocenzi,James J. Lee,Steven M. Duffy,Richard M. Goldberg,Richard M. Goldberg,Albert de la Chapelle,Albert de la Chapelle,Minori Koshiji,Feriyl Bhaijee,Thomas Huebner,Ralph H. Hruban,Laura D. Wood,Nathan Cuka,Drew M. Pardoll,Nickolas Papadopoulos,Kenneth W. Kinzler,Shibin Zhou,Toby C. Cornish,Janis M. Taube,Robert A. Anders,James R. Eshleman,Bert Vogelstein,Luis A. Diaz +36 more
TL;DR: This study showed that mismatch-repair status predicted clinical benefit of immune checkpoint blockade with pembrolizumab, and high somatic mutation loads were associated with prolonged progression-free survival.
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TL;DR: Current understanding of the immunoregulatory functions of PD-1 and its ligands and their therapeutic potential are discussed and an inhibitory bidirectional interaction between PD-L1 and B7-1 is discovered, revealing new ways the B7:CD28 family regulates T cell activation and tolerance.
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Paul Waterhouse,Josef M. Penninger,Emma Timms,Andrew Wakeham,Arda Shahinian,Kelvin P. Lee,Craig B. Thompson,Henrik Griesser,Tak W. Mak +8 more
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