- ImmunoGen (NASDAQ:IMGN) plummets 40% premarket on robust volume in response to Roche's (OTCQX:RHHBY) announcement that its Phase 3 trial evaluating Kadcyla (trastuzumab emtansine) failed to significantly improve progression-free survival as a first-line therapy in breast cancer patients.
- Kadcyla was developed based on ImmunoGen's ADC technology which uses tumor-targeting antibodies to deliver an ImmonGen cell-killing agent to cancer cells.
- Previously: Roche cancer drug fails label expansion trial (Dec. 19, 2014)