Molecular Profile Detail

Profile Name KIT exon 9
Gene Variant Detail

KIT exon9 (unknown)

Relevant Treatment Approaches

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Molecular Profile Indication/Tumor Type Response Type Relevant Treatment Approaches Therapy Name Approval Status Evidence Type Efficacy Evidence References
KIT exon 9 Advanced Solid Tumor sensitive Ponatinib Preclinical Actionable In a preclinical study, transformed cells expressing a KIT exon 9 mutation demonstrated sensitivity to treatment with Iclusig (ponatinib) in culture, resulting in reduced cell viability (PMID: 25239608). 25239608
KIT exon 9 Advanced Solid Tumor resistant Regorafenib Preclinical Actionable In a preclinical study, Stivarga (regorafineb) had no effect on transformed cells expressing a KIT exon 9 mutation in culture (PMID: 25239608). 25239608
KIT exon 9 gastrointestinal stromal tumor predicted - 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
KIT exon 9 Advanced Solid Tumor sensitive Sunitinib Preclinical Actionable In a preclinical study, transformed cells expressing a KIT exon 9 mutation demonstrated sensitivity to treatment with Sutent (sunitinib) in culture, resulting in reduced cell viability (PMID: 25239608). 25239608
KIT exon 9 Advanced Solid Tumor resistant Imatinib Preclinical Actionable In a preclinical study, Gleevec (imatinib) had no effect on transformed cells expressing a KIT exon 9 mutation in culture (PMID: 25239608). 25239608
KIT exon 9 gastrointestinal stromal tumor sensitive Imatinib Guideline Actionable Gleevec (imatinib) is included in the guidelines for patients with advanced/metastatic gastrointestinal stromal tumor (GIST) with KIT exon 9 mutations (PMID: 30188977; ESMO.org). 30188977 detail...
KIT exon 9 gastrointestinal stromal tumor sensitive Imatinib Guideline Actionable Gleevec (imatinib) is included in the guidelines as first-line therapy for patients with gastrointestinal stromal tumor (GIST) with KIT exon 9 mutations (NCCN.org). detail...