Ana C Garrido-Castro, Cristina Saura, Romualdo Barroso-Sousa, Hao Guo, Eva Ciruelos, Begoña Bermejo, Joaquin Gavilá, Violeta Serra, Aleix Prat, Laia Paré, Pamela Céliz, Patricia Villagrasa, Yisheng Li, Jennifer Savoie, Zhan Xu, Carlos L Arteaga, Ian E Krop, David B Solit, Gordon B Mills, Lewis C Cantley, Eric P Winer, Nancy U Lin, Jordi Rodon
BACKGROUND: Treatment options for triple-negative breast cancer remain limited. Activation of the PI3K pathway via loss of PTEN and/or INPP4B is common. Buparlisib is an orally bioavailable, pan-class I PI3K inhibitor. We evaluated the safety and efficacy of buparlisib in patients with metastatic triple-negative breast cancer. METHODS: This was a single-arm phase 2 study enrolling patients with triple-negative metastatic breast cancer. Patients were treated with buparlisib at a starting dose of 100 mg daily...
November 2, 2020: Breast Cancer Research: BCR