Overview This is a Study to Determine the Antidepressant Effects of AZD6765 Status: Completed Trial end date: 2011-12-01 Target enrollment: Participant gender: Summary The purpose of this study is to determine the antidepressant effects of AZD6765 compared to placebo. Phase: Phase 2 Details Lead Sponsor: AstraZenecaCollaborator: National Institute of Mental Health (NIMH)Treatments: Antidepressive Agents