Overview Ketamine For Suicidal Ideation Status: Completed Trial end date: 2014-09-01 Target enrollment: Participant gender: Summary This study will examine the effects of Intravenous (IV) ketamine both in an outpatient population and with subjects on the inpatient unit with suicidal ideation (SI). Phase: Phase 4 Details Lead Sponsor: James MurroughTreatments: Excitatory Amino Acid AntagonistsKetamineMidazolamN-Methylaspartate