Seaside Therapeutics, Inc. announced today the initiation of a randomized, double-blind, placebo-controlled Phase 2b study to evaluate the effects of STX209 (arbaclofen) on social impairment in children, adolescents and adults (ages 5 to 21) with autism spectrum disorders (ASD). The Company announced positive results from an open-label Phase 2a study of STX209 in September of 2010...