A Study of the Efficacy and Safety of Trastuzumab Emtansine (Trastuzumab-MCC-DM1) vs. Trastuzumab (Herceptin®) and Docetaxel (Taxotere®) in Patients With Metastatic HER2-positive Breast Cancer Who Have Not Received Prior Chemotherapy for Metastatic Disease
Conditions
Interventions
- DRUG: Trastuzumab emtansine [Kadcyla]
- DRUG: Trastuzumab
- DRUG: Docetaxel
Sponsor
Hoffmann-La Roche