Patient-reported outcomes from two global multicenter clinical trials of children and adults with tropomyosin receptor kinase (TRK) fusion cancer receiving larotrectinib.

6602Background: TRK fusions involving NTRK1, NTRK2, and NTRK3 occur in diverse tumor types in children and adults. Larotrectinib, a selective TRK inhibitor, was recently approved by the FDA based o...