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Molecular Profile KIT exon9
Therapy Sunitinib
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 exon9 gastrointestinal stromal tumor sensitive Sunitinib Guideline Actionable Sutent (sunitinib) is included in guidelines as second-line or subsequent therapy for locally advanced, unresectable, or metastatic gastrointestinal stromal tumor (GIST) patients harboring sensitizing mutations, such as KIT exon 9 mutations (PMID: 34560242; detail... 34560242
KIT exon9 gastrointestinal stromal tumor sensitive Sunitinib Clinical Study - Cohort Actionable In a retrospective analysis, GIST patients with KIT exon 9 mutations showed improved progression-free survival (PFS), overall survival, and objective response rate (ORR) compared to patients with exon 11 mutations, with a median PFS of 12.3 months vs. 7.0 months, and an ORR of 19% (8/42) vs. 6% (9/143) following treatment with Sutent (sunitinib) (PMID: 26772734). 26772734
PubMed Id Reference Title Details
(26772734) Correlation of KIT and PDGFRA mutational status with clinical benefit in patients with gastrointestinal stromal tumor treated with sunitinib in a worldwide treatment-use trial. Full reference...
ESMO Clinical Practice Guidelines Full reference...
(34560242) Gastrointestinal stromal tumours: ESMO-EURACAN-GENTURIS Clinical Practice Guidelines for diagnosis, treatment and follow-up. Full reference...