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| Profile Name | PIK3CA E418K PIK3CA E453K |
| 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 E418K PIK3CA E453K | breast cancer | sensitive | Everolimus + MK2206 | Preclinical - Cell culture | Actionable | In a preclinical study, treatment with the combination of MK2206 and Afinitor (everolimus) synergistically inhibited proliferation, decreased Akt phosphorylation, and increased apoptosis in a breast cancer cell line harboring PIK3CA E418K and E453K in culture (PMID: 38909932). | 38909932 |