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Profile Name | PIK3CA exon21 |
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 exon21 | Her2-receptor negative breast cancer | no benefit | Everolimus | Phase III | Actionable | In a retrospective analysis of a Phase III trial (BOLERO-2), Afinitor (everolimus) demonstrated greater benefit on progression-free survival in patients with hormone receptor-positive, Erbb2 (Her2)-negative breast cancer harboring PIK3CA exon 10 (reported as exon 9) mutations (HR=0.26) compared to patients harboring PIK3CA exon 21 (reported as exon 20) mutations (HR=0.56) (PMID: 26503204; NCT00863655). | 26503204 |