Resistance to immune checkpoint inhibitors in KRAS-mutant non-small cell lung cancer

Non-small cell lung cancer (NSCLC) patients with Kirsten rat sarcoma viral oncogene homolog (KRAS) mutation are associated with significant clinical heterogeneity and a poor prognosis to standard NSCLC therapies such as surgical resection, radiotherapy, chemotherapies, and targeted medicines. Howeve...

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Bibliographic Details
Published in:Cancer drug resistance 2022-01, Vol.5 (1), p.129-146
Main Authors: Li, Yunchang, Hu, Lanlin, Peng, Xinhao, Xu, Huasheng, Tang, Bo, Xu, Chuan
Format: Article
Language:English
Subjects:
Review
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Summary:Non-small cell lung cancer (NSCLC) patients with Kirsten rat sarcoma viral oncogene homolog (KRAS) mutation are associated with significant clinical heterogeneity and a poor prognosis to standard NSCLC therapies such as surgical resection, radiotherapy, chemotherapies, and targeted medicines. However, the application of immune checkpoints inhibitors (ICIs) has dramatically altered the therapeutic pattern of NSCLC management. Clinical studies have indicated that some KRAS-mutant NSCLC patients could benefit from ICIs; however, the responses in some patients are still poor. This review intends to elucidate the mechanisms of resistance to immunotherapy in KRAS-driven NSCLC and highlight the TME functions altered by immunoinhibitors, immunostimulators, and cancer metabolism. These metabolic pathways could potentially be promising approaches to overcome immunotherapy resistance.
ISSN:2578-532X
2578-532X
DOI:10.20517/cdr.2021.102