LEXINGTON, Mass.--(BUSINESS WIRE)--EPIX Pharmaceuticals, Inc. (NASDAQ: EPIX - News) today announced statistically significant results from its Phase 1b clinical trial of PRX-07034 in obesity, the company’s internally-discovered, novel 5-HT6 antagonist being developed for obesity, Alzheimer’s disease and cognitive impairment associated with schizophrenia. Findings from the randomized, double-blind, placebo-controlled trial of 21 obese, but otherwise healthy, adults demonstrated that adults taking 600mg PRX-07034 twice-daily (n=11) for 28 days lost an average of 0.45 kg (1 pound), while adults on placebo (n=10) gained 1.37 kg (3 pounds) during the same period; p<0.005.