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| Profile Name | PIK3CA Q546X |
| 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 |
|---|---|---|---|---|---|---|---|---|
| PIK3CA Q546X | endometrial adenocarcinoma | no benefit | Copanlisib | Case Reports/Case Series | Actionable | In a Phase II (NRG-GY008) trial, Aliqopa (copanlisib) was well tolerated but demonstrated limited efficacy, resulted in 1 stable disease and 1 progressive disease in 2 patients with endometrioid adenocarcinoma harboring PIK3CA Q546 mutations, and stable disease in a patient with serous endometrial adenocarcinoma harboring a PIK3CA Q546 mutation (PMID: 31934607). | 31934607 |