deaths (OS)progression or deaths (PFS)RFS/DFS

la/mBC - HER2 positive - 1st Line (L1) breast cancer - HER2-positive la/mBC - HER2 positive la/mBC - HER2 positive - 1st Line (L1)

versus trastuzumab
pertuzumab plus trastuzumab vs. trastuzumab 1 0.65
versus trastuzumab plus docetaxel
pertuzumab plus trastuzumab plus docetaxel vs. trastuzumab plus docetaxel 2 0.660.64