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Molecular Profile NTRK1 fusion
Therapy Larotrectinib
Indication/Tumor Type Advanced Solid Tumor
Response Type sensitive

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Molecular Profile Indication/Tumor Type Response Type Therapy Name Approval Status Evidence Type Efficacy Evidence References
NTRK1 fusion Advanced Solid Tumor sensitive Larotrectinib Clinical Study - Cohort Actionable In a combined analysis of three trials, Vitrakvi (larotrectinib) resulted in improved median overall survival (39.7 vs 10.2 months) and a 78% lower risk of death (HR=0.22, P=0.001) compared to standard of care treatment in patients with advanced solid tumors harboring NTRK fusions (PMID: 36689698; NCT02122913, NCT02637687, and NCT02576431). 36689698
NTRK1 fusion Advanced Solid Tumor sensitive Larotrectinib FDA approved Actionable In three trials that supported FDA approval, Vitrakvi (larotrectinib) treatment resulted in an overall response rate of 75% (41/55) in adult and pediatric patients with advanced solid tumors harboring either an NTRK1, NTRK2, or NTRK3 fusion, including 7 patients achieving a complete response and 34 patients achieving a partial response (PMID: 29466156; NCT02122913, NCT02637687, NCT02576431). detail... 29466156 detail...
NTRK1 fusion Advanced Solid Tumor sensitive Larotrectinib Phase Ib/II Actionable In a Phase I/II trial (SCOUT), Vitrakvi (larotrectinib) treatment resulted in complete response in 26.7% (4/15), partial response in 66.7% (10/15), and stable disease in 6.7% (1/15) of pediatric patients with advanced solid tumors harboring NTRK fusions, and progressive diseases in all 7 patients without NTRK fusions (PMID: 29606586; NCT02637687). 29606586
PubMed Id Reference Title Details
Clinical safety and activity from a phase I study of LOXO-101, a selective TRKA/B/C inhibitor, in solid-tumor patients with NTRK gene fusions Full reference...
(29466156) Efficacy of Larotrectinib in TRK Fusion-Positive Cancers in Adults and Children. Full reference...
(29606586) Larotrectinib for paediatric solid tumours harbouring NTRK gene fusions: phase 1 results from a multicentre, open-label, phase 1/2 study. Full reference...
Vitrakvi (larotrectinib) FDA Drug Label Full reference...
(36689698) Survival Outcomes of Patients With Tropomyosin Receptor Kinase Fusion-Positive Cancer Receiving Larotrectinib Versus Standard of Care: A Matching-Adjusted Indirect Comparison Using Real-World Data. Full reference...