Pharmacotherapy to rapidly relieve suicidal ideation in depression may reduce suicide risk. Rapid reduction in suicidal thoughts after ketamine treatment has mostly been studied in patients with low levels of suicidal ideation. The authors tested the acute effect of adjunctive subanesthetic intravenous ketamine on clinically significant suicidal ideation in patients with major depressive disorder. Login at top right hand side of page using your SSSFT NHS OpenAthens for full text. SSOTP- Please contact the library to receive a copy of this article - http://bit.ly/1Xyazai