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Combined anti-PD-1 and anti-CTLA-4 checkpoint blockade: treatment of melanoma and immune mechanisms of action

  • St John's Institute of Dermatology, Faculty of Life Sciences and Medicine, King's College London, London, U.K.
  • School of Basic & Medical Biosciences
  • King's College London
  • School of Cancer & Pharmaceutical Sciences, King's College London, 9th Floor, Tower Wing, Guy's Hospital, London SE1 9RT, UK.
  • Breast Cancer Now
  • School of Cancer & Pharmaceutical Sciences
  • Guy's Comprehensive Cancer Centre
  • Informatics Department
  • Department of Informatics, Faculty of Natural and Mathematical Sciences, King's College London, London, United Kingdom.
  • King's College and St Thomas' Hospitals
  • GSTT Guy's and St Thomas' NHS Foundation Trust
  • ImmunoEngineering Group

Research output: Contribution to journalReview articlepeer-review

183 Citations (Scopus)
828 Downloads (Pure)

Abstract

Cytotoxic T-lymphocyte associated protein-4 (CTLA-4) and the Programmed Death Receptor 1 (PD-1) are immune checkpoint molecules that are well-established targets of antibody immunotherapies for the management of malignant melanoma. The monoclonal antibodies, Ipilimumab, Pembrolizumab, and Nivolumab, designed to interfere with T cell inhibitory signals to activate immune responses against tumors, were originally approved as monotherapy. Treatment with a combination of immune checkpoint inhibitors may improve outcomes compared to monotherapy in certain patient groups and these clinical benefits may be derived from unique immune mechanisms of action. However, treatment with checkpoint inhibitor combinations also present significant clinical challenges and increased rates of immune-related adverse events. In this review, we discuss the potential mechanisms attributed to single and combined checkpoint inhibitor immunotherapies and clinical experience with their use.

Original languageEnglish
Pages (from-to)544-556
Number of pages13
JournalEuropean Journal of Immunology
Volume51
Issue number3
Early online date15 Jan 2021
DOIs
Publication statusPublished - Mar 2021

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

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