Five Prime Therapeutics (Nasdaq:FPRX), a biotechnology company discovering and developing innovative immuno-oncology protein therapeutics, today announced that the company completed the Phase 1 safety lead-in portion and has initiated the Phase 3 portion of the FIGHT Phase 1/3 clinical trial of bemarituzumab (FPA144), an isoform-selective anti-FGF receptor 2b antibody, in combination with chemotherapy in patients … Continued