Roche's Giredestrant Combination Fails Phase III Trial in First-Line Breast Cancer
Mar 10, 2026
Roche's experimental breast cancer pill giredestrant combined with a CDK4/6 inhibitor failed to meet its primary endpoint in a Phase III trial for first-line treatment of ER-positive, HER2-negative advanced breast cancer, marking a setback for the drugmaker's next-generation hormone therapy program.