MorphoSys AG...announced that the U.S. Food and Drug Administration (FDA) granted Fast Track designation for tulmimetostat, the company’s investigational next-generation dual inhibitor of EZH2 and EZH1, for the treatment of patients with advanced, recurrent or metastatic endometrial cancer harboring AT-rich interacting domain containing protein 1A (ARID1A) mutations and who have progressed on at least one prior line of treatment.