AUG 10, 2026 · JOURNAL ARTICLE
Intravenous Ketamine reduces psychological pain in suicidal inpatients: A secondary analysis of a six-week randomized placebo-controlled trial.
Journal of Affective Disorders
A double-blind RCT with adequate sample size and pre-specified primary endpoint shows ketamine reduces psychological pain acutely in suicidal inpatients, but effects do not persist beyond 96 hours and the clinical significance of this surrogate outcome remains unclear.
Reported
Sample size: ketamine arm73
Sample size: placebo arm83
Ketamine dose0.5 mg/kg