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Pembrolizumab and bladder

Lucia Festino, Gerardo Botti, Paul Lorigan, Giuseppe V Masucci, Jason D Hipp, Christine E Horak, Ignacio Melero, Paolo A Ascierto
Strategies to help improve the efficacy of the immune system against cancer represent an important innovation, with recent attention having focused on anti-programmed death (PD)-1/PD-ligand 1 (L1) monoclonal antibodies. Clinical trials have shown objective clinical activity of these agents (e.g., nivolumab, pembrolizumab) in several malignancies, including melanoma, non-small-cell lung cancer, bladder cancer, squamous head and neck cancer, renal cell cancer, ovarian cancer, microsatellite-unstable colorectal cancer, and Hodgkin's lymphoma...
June 2016: Drugs
Julian Swatler, Ewa Kozłowska
Tumor cells may express on their surface various characteristic antigens that can induce antitumor immunity. However, cancer in human body may induce an immunosuppressive microenvironment that limits immune response to its antigens. For many years scientists have tried to develop an immunotherapy which would induce a potent antitumor immune response and lead to an elimination of the disease. One of the most promising immunotherapies is blockade of immune checkpoints, i.e. a group of costimulatory molecules negatively regulating the immune system...
2016: Postȩpy Higieny i Medycyny Doświadczalnej
Francesco Massari, Matteo Santoni, Chiara Ciccarese, Daniele Santini
The notion that the immune system can act as a key factor in controlling cancer cell proliferation and thus its stimulation may be an important resource for cancer therapy has long been known. Tumors can elude the immune system by deploying proteins that shut down the immune response by binding to specific surface receptors on immune cells. Several promising strategies have been designed to overcome cancer cells' ability to suppress the immune surveillance. Immune checkpoint molecules that block cytotoxic T-lymphocyte associated antigen-4 (ipilimumab) or the programmed death-1/programmed death-ligand 1 axis (i...
July 2015: Expert Opinion on Biological Therapy
Joel Sunshine, Janis M Taube
Tumors may adopt normal physiologic checkpoints for immunomodulation leading to an imbalance between tumor growth and host surveillance. Antibodies targeting the PD-1/PD-L1 checkpoint have shown dynamic and durable tumor regressions, suggesting a rebalancing of the host-tumor interaction. Nivolumab and pembrolizumab are the anti-PD-1 antibodies that are currently the furthest in clinical development, and anti-PD-L1 agents under investigation include MPDL3280A, MEDI4736, and BMS-936559. These agents have been used to treat advanced melanoma, non-small cell lung cancer, renal cell carcinoma, bladder cancer and Hodgkin lymphoma, amongst other tumor types...
August 2015: Current Opinion in Pharmacology
B Homet Moreno, A Ribas
Immunologic checkpoint blockade with antibodies against the programmed cell death protein-1 (PD-1) or its ligand (PD-L1) is an effective method for reversing cancer immunosuppression and thereby promoting immune responses against several cancer types. Anti-PD-1 and anti-PD-L1 antibodies have resulted in long-term responses with minimal side effects in significant numbers of patients with melanoma, lung, kidney, bladder and triple-negative breast cancer, as well as in chemotherapy-refractory Hodgkin disease...
April 28, 2015: British Journal of Cancer
Kathleen M Mahoney, Gordon J Freeman, David F McDermott
PURPOSE: Blocking the interaction between the programmed cell death (PD)-1 protein and one of its ligands, PD-L1, has been reported to have impressive antitumor responses. Therapeutics targeting this pathway are currently in clinical trials. Pembrolizumab and nivolumab are the first of this anti-PD-1 pathway family of checkpoint inhibitors to gain accelerated approval from the US Food and Drug Administration (FDA) for the treatment of ipilimumab-refractory melanoma. Nivolumab has been associated with improved overall survival compared with dacarbazine in patients with previously untreated wild-type serine/threonine-protein kinase B-raf proto-oncogene BRAF melanoma...
April 1, 2015: Clinical Therapeutics
Daniel Sanghoon Shin, Antoni Ribas
Unleashing the immune system to fight cancer has become one of the main treatment modalities since the anti-CTLA-4 antibody, ipilimumab was approved for patients with advanced melanoma in 2011. Pembrolizumab and nivolumab, two anti-PD-1 antibodies recently approved for the treatment of patients with metastatic melanoma, are being actively investigated for the treatment of multiple caners including lung, breast, bladder and renal cancers along with other anti-PD-1/L1 antibodies. Early results of combining of anti-CTLA-4 antibody and anti-PD-1 antibody treatment for advanced melanoma patients are showing impressive response rates with manageable toxicity profiles...
April 2015: Current Opinion in Immunology
Kathleen M Mahoney, Michael B Atkins
Blocking the programmed cell death 1 (PD-1) pathway with monoclonal antibodies has shown promising antitumor responses in clinical trials, with less toxicity than has been seen with prior immune therapies such as interleukin 2 and ipilimumab. Pembrolizumab, an anti-PD-1 antibody, recently gained US Food and Drug Administration (FDA) accelerated approval for the treatment of patients with ipilimumab-refractory melanoma, while nivolumab, another anti-PD-1 antibody, and MPDL3280A, an anti-programmed cell death 1 ligand (PD-L1) antibody, have been granted FDA "breakthrough designation" for treatment of subsets of patients with refractory Hodgkin lymphoma and metastatic bladder cancer, respectively...
November 2014: Oncology (Williston Park, NY)
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