This randomized, double-blind, placebo-controlled, two-arm study will assess the safety and efficacy of pertuzumab in addition to chemotherapy plus trastuzumab as adjuvant therapy in participants with operable HER2-positive primary breast cancer. This study will be carried out in collaboration with the Breast International Group (BIG).
5-Fluorouracil will be administered as per the schedule specified in the respective arm.
Carboplatin will be administered as per the schedule specified in the respective arm.
Cyclophosphamide will be administered as per the schedule specified in the respective arm.
Docetaxel will be administered as per the schedule specified in the respective arm.
Doxorubicin will be administered as per the schedule specified in the respective arm.
Epirubicin will be administered as per the schedule specified in the respective arm.
Paclitaxel will be administered as per the schedule specified in the respective arm.
Pertuzumab will be administered as per the schedule specified in the respective arm.
Placebo will be administered as per the schedule specified in the respective arm.
Trastuzumab will be administered as per the schedule specified in the respective arm.
San Miguel de Tucumán, Argentina