期刊
PHARMACOLOGY & THERAPEUTICS
卷 174, 期 -, 页码 1-21出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.pharmthera.2017.02.001
关键词
Epidermal growth factor receptor mutation; Non-small cell lung cancer; Tyrosine kinase inhibitor; Resistance mechanism
资金
- Ministry of Food and Drug Safety (MFDS), Korea
- Health Insurance Review and Assessment Service (HIRA), Korea
The discovery of epidermal growth factor receptor (EGFR) activating mutations in non-small cell lung cancer (NSCLC) and the success story of EGFR tyrosine kinases inhibitors (TKIs) have changed the paradigm of cancer therapy fromempirical cytotoxic chemotherapy tomolecular-targeted cancer therapy. As a result, EGFR TKI therapy, including gefitinib, erlotinib and afatinib, has become the standard therapy for NSCLC patients with EGFR activating mutation as first-line therapy. However, most patients inevitably progress despite initial dramatic and rapid response to EGFR TKIs and therefore during the last decade, a lot of efforts have been made to identify and overcome various resistance mechanisms. Fortunately, T790M secondary mutation, the main resistance mechanism, can be overcome by newly developed third-generation EGFR TKIs, such as osimertinib, while most combination trials trying to overcome resistance mechanisms other than T790M mutation have failed so far. To make it worse, spatial and temporal tumor heterogeneity and clonal selection or evolution are also identified in EGFR mutant NSCLC tumors. Nevertheless, advance of comprehensive and more sensitive molecular diagnostics and monitoring technology, such as next-generation sequencing and dynamic monitoring technology using circulating biomarker and development of new cancermedicine with different mechanisms from EGFR TKIs, especially immune checkpoint inhibitors, might affect or change the treatment paradigmof EGFR mutant NSCLC in the near future. (C) 2017 Elsevier Inc. All rights reserved.
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