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Entrectinib: A new Selective Tyrosine Kinase Inhibitor Approved for the Treatment of Pediatric and Adult Patients with NTRK Fusion-positive, Recurrent or Advanced Solid Tumors

Author(s):

Hind M. Osman and Meral Tuncbilek*  

Abstract:


Background: Entrectinib is a highly potent ATP-competitive and selective inhibitor of tyrosine kinases - Trk A B C, ALK, and ROS1. It was developed by Roche and initially approved in Japan in 2019 for the treatment of pediatric and adult patients with NTRK fusion-positive, recurrent, or advanced solid tumors. In August 2019, entrectinib received accelerated approval by the U.S FDA for this indication. It is also the first FDA-approved drug designed to target both NTRK and ROS1.

Objective: We aim to summarize recent studies related to the synthesis, mechanism of action, and clinical trials of the newly approved selective tyrosine kinase inhibitor entrectinib.

Method: We conduct a literature review of the research studies on the new highly-potent small-molecule entrectinib.

Conclusion: Entrectinib, based on three clinical studies (ALKA, STARTRK-1, and STARTRK-2), was well tolerated, with a manageable safety profile. It induced clinically meaningful responses in recurrent or advanced solid tumors associated with NTRK fusion-positive or ROS1+ NSCLC. It demonstrated substantial efficacy in patients with CNS metastases.

Keywords:

Entrectinib, indazol benzamide, Trk A B C, ALK, ROS1 inhibitor, NTRK fusion-positive tumors

Affiliation:

Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Ankara University, 06100 Ankara, Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Ankara University, 06100 Ankara



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