NCT07541079 2026-04-21A Study Evaluating Adherence, Tolerability, and Patient Reported Outcomes of Giredestrant in Participants With ER+/HER2- Early Breast Cancer Who Are Intolerant to Adjuvant Aromatase Inhibitor Therapy (novERA Breast Cancer)Genentech, Inc.Phase 3 Not yet recruiting300 enrolled
NCT05296798 2026-04-16A Study to Evaluate the Efficacy and Safety of Giredestrant in Combination With Phesgo (Pertuzumab, Trastuzumab, and Hyaluronidase-zzxf) Versus Phesgo in Participants With Locally Advanced or Metastatic Breast Cancer (heredERA Breast Cancer)Hoffmann-La RochePhase 3 Active not recruiting922 enrolled
NCT04802759 2026-04-13A Study Evaluating the Efficacy and Safety of Multiple Treatment Combinations in Participants With Breast CancerHoffmann-La RochePhase 1/2 Recruiting316 enrolled
NCT06065748 2026-04-06A Study to Evaluate Efficacy and Safety of Giredestrant Compared With Fulvestrant (Plus a CDK4/6 Inhibitor), in Participants With ER-Positive, HER2-Negative Advanced Breast Cancer Resistant to Adjuvant Endocrine Therapy (pionERA Breast Cancer)Hoffmann-La RochePhase 3 Recruiting1,050 enrolled
NCT07214662 2026-04-03A Study to Evaluate the Safety, Pharmacokinetics, and Activity of GDC-0587 as a Monotherapy and in Combination With Giredestrant in Participants With Locally Advanced or Metastatic Estrogen Receptor-Positive and Human Epidermal Growth Factor Receptor 2-Negative (ER+/HER2-) Breast CancerGenentech, Inc.Phase 1 Recruiting136 enrolled