LEXINGTON, Mass.--(BUSINESS WIRE)--EPIX Pharmaceuticals, Inc. (NASDAQ:EPIX) today announced the initiation of a Phase 1 multiple ascending dose clinical trial to study the safety, tolerability, pharmacokinetics, and pharmacodynamics of PRX-07034 administered once-daily for 28 days in a population of otherwise healthy obese adults with body mass indices between 30 and 42 kg/m2. PRX-07034 is a novel, highly selective 5-HT6 receptor antagonist being developed for the treatment of obesity, as well as for cognitive impairment associated with Alzheimer’s Disease and schizophrenia.