Larotrectinib

CAS 1223403-58-4

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Larotrectinib is an orally administered inhibitor of tropomyosin receptor kinase (Trk), a receptor tyrosine kinase activated by neurotrophins which is mutated in a variety of cancer cell types and plays an important role in tumor cell growth and survival. Upon administration, larotrectinib binds to Trk, thereby preventing neurotrophin-Trk interaction and Trk activation, which results in both the induction of cellular apoptosis and the inhibition of cell growth in tumors that overexpress Trk. Larotrectinib was granted accelerated approval by the FDA in November 2018 for the treatment of Trk-positive solid tumors. It was notable for being the second tissue-agnostic chemotherapy ever approved by the FDA.

About the API

Therapeutic category

Oncology

Systematic Name

(3S)-N-[5-[(2R)-2-(2,5-difluorophenyl)pyrrolidin-1-yl]pyrazolo[1,5-a]pyrimidin-3-yl]-3-hydroxypyrrolidine-1-carboxamide

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