Abstract

The identification of oncogenic drivers and the subsequent development of targeted therapies have been established as biomarker-based care for metastatic non-small cell lung cancer (NSCLC) patients. Rearranged during transfection (RET) events have been reported to be oncogenic drivers in NSCLC and were more common in patients who i) were young; ii) had adenocarcinoma histology; and iii) had never smoked. Phase II studies indicated the limited efficacy of multi-targeted tyrosine kinase inhibitors in patients with NSCLC that have a confirmed RET event. Consequently, there has been ongoing research to develop more potent and specific RET tyrosine kinase inhibitors. Recently, a novel and specific RET inhibitor, pralsetinib (BLU-667), has been reported to have excellent efficacy and low off-target toxicity in RET cancer patients. In this review, we summarize the clinical data regarding the use of pralsetinib in NSCLC patients.

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