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Anti-programmed death receptor 1 immunotherapy in melanoma: rationale, evidence and clinical potential:

Anti-programmed death receptor 1 immunotherapy in melanoma: rationale, evidence and clinical... Malignant melanoma is a significant public health problem; according to 2013 Surveillance, Epidemiology, and End Results data, its average incidence rate rose 2.6% each year for the last decade, and it is now the fifth most common cancer diagnosis in the United States. The rising incidence and historical poor response to chemotherapy have led to intense investigation of novel treatments for melanoma, including therapies to improve the immune-mediated destruction of cancer cells. Among the hallmarks of malignancy is the ability to evade this process: while early stages of tumor growth can induce functional CD8+ T-cell responses, cancer cells become increasingly embedded in an immune-suppressive tumor stroma. In the tumor microenvironment, T-cell proliferation and effector function are impaired due to engagement of T-cell programmed death receptor 1 (PD-1) with programmed death receptor ligand (PD-L1) expressed by cancer cells and antigen-presenting cells, which blocks T-cell-mediated cytotoxicity. This receptor-ligand engagement thereby inhibits immunity, allows the tumor to continue to grow, and contributes to the phenomenon of ‘T-cell exhaustion’. One immunotherapy strategy currently under investigation is inhibition of the interaction between PD-L1 and PD-1, thereby overcoming a critical immune checkpoint to facilitate destruction of cancer cells. In this review we discuss the preclinical rationale for PD-1 pathway inhibition in cancer, recent results of clinical trials targeting PD-1 and PD-L1, and evaluate its potential as a future anticancer therapy. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Therapeutic Advances in Medical Oncology SAGE

Anti-programmed death receptor 1 immunotherapy in melanoma: rationale, evidence and clinical potential:

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Publisher
SAGE
Copyright
Copyright © 2020 by SAGE Publications Ltd unless otherwise noted. Manuscript content on this site is licensed under Creative Commons Licenses
ISSN
1758-8359
eISSN
1758-8359
DOI
10.1177/1758834014551747
Publisher site
See Article on Publisher Site

Abstract

Malignant melanoma is a significant public health problem; according to 2013 Surveillance, Epidemiology, and End Results data, its average incidence rate rose 2.6% each year for the last decade, and it is now the fifth most common cancer diagnosis in the United States. The rising incidence and historical poor response to chemotherapy have led to intense investigation of novel treatments for melanoma, including therapies to improve the immune-mediated destruction of cancer cells. Among the hallmarks of malignancy is the ability to evade this process: while early stages of tumor growth can induce functional CD8+ T-cell responses, cancer cells become increasingly embedded in an immune-suppressive tumor stroma. In the tumor microenvironment, T-cell proliferation and effector function are impaired due to engagement of T-cell programmed death receptor 1 (PD-1) with programmed death receptor ligand (PD-L1) expressed by cancer cells and antigen-presenting cells, which blocks T-cell-mediated cytotoxicity. This receptor-ligand engagement thereby inhibits immunity, allows the tumor to continue to grow, and contributes to the phenomenon of ‘T-cell exhaustion’. One immunotherapy strategy currently under investigation is inhibition of the interaction between PD-L1 and PD-1, thereby overcoming a critical immune checkpoint to facilitate destruction of cancer cells. In this review we discuss the preclinical rationale for PD-1 pathway inhibition in cancer, recent results of clinical trials targeting PD-1 and PD-L1, and evaluate its potential as a future anticancer therapy.

Journal

Therapeutic Advances in Medical Oncology – SAGE

Published: Sep 23, 2014

Keywords: immunotherapy,melanoma,programmed death receptor 1,programmed death receptor ligand

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