RT Conference Proceedings T1 Alpelisib (ALP) plus endocrine therapy (ET) in patients (pts) with PIK3CA-mutated, hormone receptor-positive (HR plus ), human epidermal growth factor receptor 2-negative (HER2e) advanced breast cancer (ABC): Subgroup analyses from the BYLieve study A1 Cardoso, F. A1 Juric, D. A1 Lerebours, F. A1 Krop, I. A1 Borrego, M. Ruiz A1 Neven, P. A1 Park, Y. H. A1 Yardley, D. A1 Jhaveri, K. A1 Arce, C. A1 Gu, E. A1 Akdere, M. A1 Rugo, H. S. PB Elsevier SN 0923-7534 YR 2022 FD 2022-05-05 LK http://hdl.handle.net/10668/21904 UL http://hdl.handle.net/10668/21904 LA en DS RISalud RD Apr 12, 2025