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Profile Name | PIK3CA D939G |
Gene Variant Detail | |
Relevant Treatment Approaches | Akt Inhibitor (Pan) Akt1 Inhibitor Akt2 Inhibitor mTOR Inhibitor mTORC1 Inhibitor mTORC2 Inhibitor PI3K Inhibitor (Pan) PIK3CA inhibitor |
Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
---|---|---|---|---|---|---|---|
PIK3CA E78K PIK3CA E726K PIK3CA D939G | estrogen-receptor positive breast cancer | no benefit | Alpelisib + Letrozole | Phase Ib/II | Actionable | In a Phase Ib trial, an estrogen-receptor positive breast cancer patient harboring PIK3CA mutations, E78K, D939G, and E726K, demonstrated progressive disease when treated with a combination of Femara (letrozole) and Alpelisib (BYL719) (PMID: 27126994). | 27126994 |