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Profile Name | KIT K642E |
Gene Variant Detail | |
Relevant Treatment Approaches | KIT Inhibitor |
Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
---|---|---|---|---|---|---|---|
KIT K642E KIT C809G KIT N822H | gastrointestinal stromal tumor | predicted - resistant | Imatinib | Case Reports/Case Series | Actionable | In a clinical case study, an acquired KIT C809G mutation was identified in a gastrointestinal stromal tumor (GIST) patient harboring KIT K642E and KIT N822H at the time of progression on Gleevec (imatinib) (PMID: 16954519). | 16954519 |
KIT K642E KIT N822K | gastrointestinal stromal tumor | sensitive | AZD3229 | Preclinical - Pdx | Actionable | In a preclinical study, AZD3229 inhibited Kit signaling and tumor growth in a patient-derived xenograft (PDX) model of gastrointestinal stromal tumor harboring KIT K642E and KIT N822K (PMID: 32350132). | 32350132 |
KIT K642E KIT N822K | gastrointestinal stromal tumor | sensitive | Regorafenib | Preclinical - Pdx | Actionable | In a preclinical study, Stivarga (regorafenib) suppressed tumor growth in a patient-derived xenograft (PDX) model of gastrointestinal stromal tumor harboring KIT K642E and KIT N822K, but was less potent in comparison to treatment with AZD3229 (PMID: 32350132). | 32350132 |