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Molecular Profile | PIK3CA E726K PIK3CA H1047R |
Therapy | Inavolisib |
Indication/Tumor Type | breast cancer |
Response Type | sensitive |
Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
---|---|---|---|---|---|---|---|
PIK3CA E726K PIK3CA H1047R | breast cancer | sensitive | Inavolisib | Preclinical - Cell culture | Actionable | In a preclinical study, breast epithelial cells expressing PIK3CA E726K and PIK3CA H1047R in cis demonstrated increased sensitivity to growth inhibition by Itovebi (inavolisib) treatment compared to cells expressing individual PIK3CA mutations in culture (PMID: 31699932). | 31699932 |
PIK3CA E726K PIK3CA H1047R | breast cancer | sensitive | Inavolisib | Preclinical - Cell culture | Actionable | In a preclinical study, Itovebi (inavolisib) decreased viability of a breast cancer cell line harboring PIK3CA H1047R and expressing PIK3CA E726K in culture (PMID: 37916958). | 37916958 |
PubMed Id | Reference Title | Details |
---|---|---|
(31699932) | Double PIK3CA mutations in cis increase oncogenicity and sensitivity to PI3Kα inhibitors. | Full reference... |
(37916958) | Allosteric PI3K-alpha inhibition overcomes on-target resistance to orthosteric inhibitors mediated by secondary PIK3CA mutations. | Full reference... |