期刊
JOURNAL OF PATHOLOGY
卷 257, 期 4, 页码 513-525出版社
WILEY
DOI: 10.1002/path.5907
关键词
immune checkpoint inhibitors; immunotherapy; biomarkers; predictive; host; germline; immune system; microbiome; metabolome
资金
- Cancer Research UK Cambridge Centre [C9685/A25117]
- Cancer Research UK Cambridge Centre clinical research training fellowship
- John Monash Scholarship
- Open Targets [OTAR2049]
- Victorian Government Department of Health and Human Services acting through the Victorian Cancer Agency
- Cancer Research UK [C20510/A21717]
- Wellcome Trust [206194/Z/17/Z]
Immune checkpoint inhibitors have revolutionized cancer treatment, but tumor responses are unpredictable. There is a need for better predictive biomarkers. Host factors, including genetics, metabolism, immune factors, and gut microbiota, influence the response to immune checkpoint inhibitors. Some of these factors are modifiable, offering potential for co-therapies.
Immune checkpoint inhibitors (ICIs) have revolutionised oncology and are now standard-of-care for the treatment of a wide variety of solid neoplasms. However, tumour responses remain unpredictable, experienced by only a minority of ICI recipients across malignancy types. Therefore, there is an urgent need for better predictive biomarkers to identify a priori the patients most likely to benefit from these therapies. Despite considerable efforts, only three such biomarkers are FDA-approved for clinical use, and all rely on the availability of tumour tissue for immunohistochemical staining or genomic assays. There is emerging evidence that host factors - for example, genetic, metabolic, and immune factors, as well as the composition of one's gut microbiota - influence the response of a patient's cancer to ICIs. Tantalisingly, some of these factors are modifiable, paving the way for co-therapies that may enhance the therapeutic index of these treatments. Herein, we review key host factors that are of potential biomarker value for response to ICI therapy, with a particular focus on the proposed mechanisms for these influences. (c) 2022 The Authors. The Journal of Pathology published by John Wiley & Sons Ltd on behalf of The Pathological Society of Great Britain and Ireland.
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