Mechanisms of Resistance to PD-1 and PD-L1 Blockade

Cancer immunotherapy utilizing blockade of the PD-1/PD-L1 checkpoint has revolutionized the treatment of a wide variety of malignancies, leading to durable therapeutic responses not typically seen with traditional cytotoxic anticancer agents. However, these therapies are ineffective in a significant...

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Veröffentlicht in:The cancer journal (Sudbury, Mass.) Mass.), 2018-01, Vol.24 (1), p.47-53
Hauptverfasser: Nowicki, Theodore S, Hu-Lieskovan, Siwen, Ribas, Antoni
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container_title The cancer journal (Sudbury, Mass.)
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creator Nowicki, Theodore S
Hu-Lieskovan, Siwen
Ribas, Antoni
description Cancer immunotherapy utilizing blockade of the PD-1/PD-L1 checkpoint has revolutionized the treatment of a wide variety of malignancies, leading to durable therapeutic responses not typically seen with traditional cytotoxic anticancer agents. However, these therapies are ineffective in a significant percentage of patients, and some initial responders eventually develop resistance to these therapies with relapsed disease. The mechanisms leading to both primary and acquired resistance to PD-1/PD-L1 inhibition are varied and can be both multifactorial and overlapping in an individual patient. As the mechanisms of resistance to PD-1/PD-L1 blockade continue to be further characterized, new strategies are being developed to prevent or reverse resistance to therapy, leading to improved patient outcomes.
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subjects Animals
Antineoplastic Agents - pharmacology
Antineoplastic Agents - therapeutic use
B7-H1 Antigen - antagonists & inhibitors
Drug Resistance, Neoplasm - drug effects
Humans
Immunotherapy - methods
Neoplasms - immunology
Neoplasms - therapy
Programmed Cell Death 1 Receptor - antagonists & inhibitors
title Mechanisms of Resistance to PD-1 and PD-L1 Blockade
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