NCT02322814 2023-04-13A Study of Cobimetinib Plus Paclitaxel, Cobimetinib Plus Atezolizumab Plus Paclitaxel, or Cobimetinib Plus Atezolizumab Plus Nab-Paclitaxel as Initial Treatment for Participants With Triple-Negative Breast Cancer That Has SpreadHoffmann-La RochePhase 2 Terminated169 enrolled 31 charts