BYL719 and Letrozole in Post-Menopausal Patients With Hormone Receptor-Positive Metastatic Breast Cancer
Condition(s):Estrogen Receptor-positive Breast Cancer; HER2-negative Breast Cancer; Invasive Ductal Breast Carcinoma; Progesterone Receptor-positive Breast Cancer; Recurrent Breast Cancer; Stage IV Breast CancerLast Updated:December 5, 2023Active, not recruiting