Evaluation of the pharmacokinetics and metabolism of pembrolizumab in the treatment of melanoma.

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Longoria TC, Tewari KS

Evaluation of the pharmacokinetics and metabolism of pembrolizumab in the treatment of melanoma.

Expert Opin Drug Metab Toxicol. 2016 Oct;12(10):1247-53. doi: 10.1080/17425255.2016.1216976. Epub 2016 Aug 16.

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27485741 [ View in PubMed
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Abstract

INTRODUCTION: Advanced melanoma is a devastating disease that has propelled research in therapeutics beyond chemotherapy and radiotherapy. Being highly immunogenic, melanoma is a model tumor for immunotherapy and has highlighted the therapeutic potential of the immune checkpoint inhibitors. AREAS COVERED: This review discusses the pharmacologic properties, clinical efficacy, and safety profile of pembrolizumab, an IgG4-kappa humanized monoclonal antibody against the programmed cell death protein 1 (PD-1) receptor, for the treatment of unresectable or metastatic melanoma. EXPERT OPINION: Pembrolizumab was the first PD-1 inhibitor to be approved by the U.S. Food and Drug Administration (FDA). Remarkably, this accelerated approval for the treatment of advanced, heavily pretreated melanoma was based on response rates alone from a phase I trial. As anticipated, pembrolizumab confirmed a survival advantage in phase II and III trials and has led the way for the study of other drugs that share its mechanism of action. Defining disease and patient characteristics associated with a response remains amongst the most pressing priorities.

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