The manufacturer of tazemetostat has now formally begun its planned Phase 2 clinical trial of this novel targeted mesothelioma therapeutic. Tazemetostat is reported to be capable of inhibiting EZH2 activity. Epizyme, Inc., based in Cambridge, Massachusetts, announced in mid-August 2016 that the first of an expected 67 patients began receiving tazemetostat. Tazemetostat is designed to