PHILADELPHIA--(BUSINESS WIRE)--Otsuka Pharmaceutical Co., Ltd. (Otsuka) and H. Lundbeck A/S (Lundbeck) today announced results from a Phase 3 clinical trial evaluating the efficacy, safety and tolerability of once-monthly aripiprazole intramuscular (IM) depot formulation for the maintenance treatment of adults with schizophrenia. Trial results were presented in four poster presentations at the 2012 American Psychiatric Association (APA) Annual Meeting in Philadelphia.