Abstract
NTRK fusions drive oncogenesis in a variety of adult cancers. The approval of the first-generation TRK inhibitors, larotrectinib and entrectinib, for any cancer with an NTRK fusion represented a focal point in tumor-agnostic drug development. These agents achieve high response rates and durable disease control, and display intracranial activity. The use of these agents has resulted in a deeper understanding of the clinical consequences of TRK inhibition. These on-target side effects include dizziness, weight gain, and withdrawal pain. The study of TRK inhibitor resistance led to the development of next generation drugs, such as selitrectinib, repotrectinib, taletrectinib, and other agents that maintain disease control against selected acquired kinase domain mutations. This review discusses the clinical efficacy of TRK inhibitors, their safety profiles, and resistance mechanisms with a focus on data in adult cancers.
Accepted Version
Published Version
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