MGNX -17%—phase-3 data from SOPHIA trial came up short of expectations generated by top-line PR in Feb 2019 (#msg-146611035):
Margetuximab improves PFS versus trastuzumab post-trastuzumab and pertuzumab in the SOPHIA phase 3 trial for HER2+ metastatic #BreastCancer . Is there a role for margetuximab within the expanding landscape of therapies including very potent novel ADCs? #ASCO19#OncoAlert#bcsmpic.twitter.com/pBZlxiGmKD