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

la/mBC - HER2 positive - 2nd Line (L2) breast cancer - HER2-positive la/mBC - HER2 positive la/mBC - HER2 positive - 2nd Line (L2)

versus lapatinib plus capecitabine
trastuzumab emtansine vs. lapatinib plus capecitabine 1 -659 [-1245; -73] /10000
149/495 vs. 182/496
-775 [-1389; -162] /10000
265/495 vs. 304/496
-
versus trastuzumab emtansine
trastuzumab deruxtecan vs. trastuzumab emtansine 1 NaN [NaN; NaN] /10000
0/0 vs. 0/0
NaN [NaN; NaN] /10000
0/0 vs. 0/0
-