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Molecular Profile KIT A502_Y503dup
Therapy Avapritinib
Indication/Tumor Type gastrointestinal stromal tumor
Response Type sensitive

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Molecular Profile Indication/Tumor Type Response Type Therapy Name Approval Status Evidence Type Efficacy Evidence References
KIT A502_Y503dup gastrointestinal stromal tumor sensitive Avapritinib Preclinical - Pdx Actionable In a preclinical study, a patient derived xenograft (PDX) model with a gastrointestinal stromal tumor harboring KIT A502_Y503dup was sensitive to treatment with Ayvakit (avapritinib), demonstrating a 90% stabilized tumor volume at a dose of 30mg/kg and tumor regression at a dose of 60mg/kg, and inhibition of cell proliferation (PMID: 30274985). 30274985
PubMed Id Reference Title Details
(30274985) Robust Activity of Avapritinib, Potent and Highly Selective Inhibitor of Mutated KIT, in Patient-derived Xenograft Models of Gastrointestinal Stromal Tumors. Full reference...