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| Profile Name | IDH2 R172K |
| Gene Variant Detail | |
| Relevant Treatment Approaches | IDH Inhibitor (Pan) IDH2 Inhibitor |
| Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
|---|---|---|---|---|---|---|---|
| IDH1 R132C IDH2 R172K | intrahepatic cholangiocarcinoma | predicted - resistant | Ivosidenib | Case Reports/Case Series | Actionable | In a clinical case study, IDH2 R172K was identified upon progression in a patient with metastatic intrahepatic cholangiocarcinoma harboring IDH1 R132C, along with PIK3CA E545K, who previously responded to Tibsovo (ivosidenib) (PMID: 36056177). | 36056177 |