Summary
This is a Phase III, multicenter, randomized, open-label, global study designed to
evaluate the efficacy and safety of inavolisib plus fulvestrant compared with alpelisib
plus fulvestrant in patients with hormone receptor (HR)-positive, human epidermal growth
factor receptor 2 (HER2) -negative, PIK3CA-mutated, locally advanced (LA) or metastatic
breast cancer (mBC), who progressed during or after cyclin dependent kinase 4/6i
(CDK4/6i)-based therapy.