A clinical trial to compare GDC-9545 with a doctor’s choice of hormonal therapy in people with advanced or metastatic breast cancer after previous treatment has not worked.
A Study Evaluating the Efficacy and Safety of GDC-9545 Compared With Physician's Choice of Endocrine Monotherapy in Participants With Previously Treated Estrogen Receptor-Positive, HER2-Negative Locally Advanced or Metastatic Breast Cancer
Cancer Breast Cancer Breast Cancer Er-Positive Locally Advanced or Metastatic Breast Cancer Estrogen Receptor (ER)-Positive Breast Cancer HER-2 Negative
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