Recent updates in the therapeutic uses of Pembrolizumab: a brief narrative review

Vítor Silva1, Cristiano Matos2,3

  • 1Centro Hospitalar e Universitário de Coimbra, EPE, 3004-561, Coimbra, Portugal.

Abstract

Insights

Pembrolizumab, an immune checkpoint inhibitor, shows significant effectiveness in treating various cancers, including lung, esophageal, and head and neck cancers. This immunotherapy breakthrough improves patient outcomes and safety across diverse oncological applications.

Area of Science:

  • Oncology
  • Immunotherapy
  • Pharmacology

Background:

  • Immune checkpoint inhibitors represent a significant advancement in cancer treatment.
  • Pembrolizumab, a key immunotherapy drug, was the first FDA-designated tissue-agnostic cancer therapy in 2017.

Purpose of the Study:

  • To comprehensively review the application of pembrolizumab in oncology.
  • To synthesize recent findings on pembrolizumab's efficacy in diverse cancer types.

Main Methods:

  • A systematic literature review was performed using PubMed (Medline).
  • Search terms included "pembrolizumab," "cancer," and "treatment" from January 2015 to December 2023.

Main Results:

  • Pembrolizumab is effective as a primary treatment for metastatic nonsmall cell lung cancer, unresectable esophageal cancer, and head and neck squamous cell carcinoma.
  • It also serves as an alternative treatment for triple-negative breast cancer, biliary, colorectal, endometrial, renal cell, and cervical carcinomas, as well as tumors with high microsatellite instability or mismatch repair deficiencies.
  • Pediatric use includes treatment for refractory Hodgkin lymphoma.

Conclusions:

  • Ongoing research enhances the clinical understanding of pembrolizumab, acknowledging variable patient responses.
  • Pembrolizumab is a pivotal immunotherapy agent, significantly improving cancer treatment outcomes and patient safety.

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