Trastuzumab Emtansine (T-DM1) increases progression-free survival (PFS) in metastatic breast cancer patients compared to patients who received lapatinib (Tykerb;
GlaxoSmithKline Plc) and
capecitabine (Xeloda; Roche) combination, Roche made the announcement today in a press release. The overall surivival (OS) data is not mature yet.