Therapy Detail

Therapy Name Alpelisib + Letrozole
Therapy Description


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Drug Name Trade Name Synonyms Drug Classes Drug Description
Alpelisib Piqray BYL719 PIK3CA inhibitor 14 Piqray (Alpelisib) is a selective PIK3CA inhibitor that blocks activation of the PI3K signaling pathway and inhibits tumor growth (PMID: 23726034). Piqray (Alpelisib) is FDA approved in combination with fulvestrant for use in postmenopausal women, and men, with advanced or metastatic hormone receptor (HR)-positive, ERBB2 (HER2)-negative, PIK3CA-mutant breast cancer (
Letrozole Femara Letrozol Aromatase Inhibitor 3 Femara (letrozole) is an aromatase inhibitor, which inhibits estrogen synthesis (NCI Drug Dictionary). Femara (letrozole) is approved for postmenopausal women with hormone receptor positive breast cancer (
Molecular Profile Indication/Tumor Type Response Type Therapy Name Approval Status Evidence Type Efficacy Evidence References
Clinical Trial Phase Therapies Title Recruitment Status
NCT03056755 Phase II Alpelisib + Fulvestrant Alpelisib + Letrozole Efficacy and Safety of Treatment With Alpelisib Plus Endocrine Therapy in Patients With HR+, HER2-negative aBC, With PIK3CA Mutations, Whose Disease Has Progressed on or After CDK 4/6 Treatment With an Aromatase Inhibitor (AI) or Fulvestrant Recruiting
NCT01870505 Phase I Alpelisib + Exemestane Alpelisib + Letrozole BYL719 Plus Letrozole or Exemestane for Patients With Hormone-Receptor Positive Locally-Advanced Unresectable or Metastatic Breast Cancer Active, not recruiting
NCT01872260 Phase I Alpelisib + Letrozole Alpelisib + Letrozole + Ribociclib Letrozole + Ribociclib Study of LEE011, BYL719 and Letrozole in Advanced ER+ Breast Cancer Active, not recruiting
NCT01923168 Phase II Buparlisib + Letrozole Letrozole Alpelisib + Letrozole Study of Letrozole With or Without BYL719 or Buparlisib, for the Neoadjuvant Treatment of Postmenopausal Women Completed
NCT01791478 Phase I Alpelisib + Letrozole BYL719 and Letrozole in Post-Menopausal Patients With Hormone Receptor-Positive Metastatic Breast Cancer Active, not recruiting