Journal
JOURNAL OF THORACIC ONCOLOGY
Volume 16, Issue 7, Pages 1086-1098Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jtho.2021.03.017
Keywords
Immunotherapy; Lung cancer; Tumor mutation burden; PD-L1; Small cell lung cancer; Non-small cell lung cancer
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Funding
- Ohio State University Comprehensive Cancer Center (OSU-CCC)
- National Institute of Health [P30 CA016058]
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Immune checkpoint inhibitors show promise in treating lung cancer by enhancing immune response, but only a subset of patients respond to this therapy. Research is ongoing to identify biomarkers that can predict the efficacy of these inhibitors in individual patients.
Monoclonal antibodies that target immune checkpoint proteins, so-called immune checkpoint inhibitors, prevent tumor evasion of the immune system and are often effective in the treatment of lung cancer. Studies have revealed improved objective response rates, progression-free survival, and overall survival with immune checkpoint inhibitors when used in both first and subsequent-line settings. Unfortunately, only a subset of unselected patients with lung cancer responds to these therapies. An important area of ongoing research is to identify biomarkers that can predict which patients are most likely to derive clinical benefit. This review will discuss established and emerging biomarkers from some of the clinical trials that have demonstrated the efficacy of immune checkpoint inhibitors for the treatment of both NSCLC and SCLC. (c) 2021 International Association for the Study of Lung Cancer. Published by Elsevier Inc. All rights reserved.
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