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| Profile Name | KIT K642E KIT N822Y |
| Gene Variant Detail | |
| Relevant Treatment Approaches |
| Molecular Profile | Indication/Tumor Type | Response Type | Relevant Treatment Approaches | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
|---|---|---|---|---|---|---|---|---|
| KIT K642E KIT N822Y | gastrointestinal stromal tumor | predicted - resistant | Ripretinib | Case Reports/Case Series | Actionable | In a retrospective study, a patient with a gastrointestinal stromal tumor harboring KIT N822Y progressed on sixth-line treatment with Qinlock (ripretinib) after 7.3 months and was found to have acquired KIT K642E in the metastatic lesion (PMID: 38408285). | 38408285 |