Overview A Study of ALKS 3831 in Adults With Schizophrenia (The ENLIGHTEN-2 Study) Status: Completed Trial end date: 2018-11-07 Target enrollment: Participant gender: Summary This study will evaluate weight gain of ALKS 3831 compared to olanzapine in adult subjects with schizophrenia. Phase: Phase 3 Details Lead Sponsor: Alkermes, Inc.Treatments: Olanzapine