A Study of Trastuzumab Emtansine in Combination With Atezolizumab or Placebo as a Treatment for Participants With Human Epidermal Growth Factor 2 (HER2)-Positive and Programmed Death-ligand 1 (PD-L1)-Positive Locally Advanced (LABC) or Metastatic Breast Cancer (MBC)
Stopped Due to low enrollment, the Sponsor decided to prematurely terminate the study
Conditions
Interventions
- DRUG: Trastuzumab Emtansine
- DRUG: Atezolizumab
- OTHER: Placebo
Sponsor
Hoffmann-La Roche