Ph3 Study of DB1303 in HER2-low with mBreast who has progressed Endocrine Therapy (DYNASTY-BREAST02)
Phase III Clinical Trial
A Phase 3 Randomized Multi-center Open-label Study of DB-1303 Versus Investigator's Choice Chemotherapy in Human Epidermal Growth Factor Receptor 2 (HER2)-low Hormone Receptor Positive (HR+) Metastatic Breast Cancer Patients whose Disease has Progressed on Endocrine Therapy (ET) (DYNASTY-Breast02) (DB-1303-O-3002)