ABSTRACT: Background and Aims: Obsessive–compulsive disorder (OCD) is a chronic condition associated with marked functional impairment and high rates of treatment resistance. Converging evidence implicates glutamatergic dysregulation in OCD pathophysiology. Dextromethorphan (DXM), an N‐methyl‐ d ‐aspartate (NMDA) receptor antagonist with additional monoaminergic and sigma‐1 receptor activity,...
Major depressive disorder (MDD) is the most disabling and burdensome mental disorder, negatively affecting an individual's quality of life and daily functioning. the current study was conducted with the aim of investigating the clinical effects of intravenous ketamine on symptoms of MDD and suicidal ideation. The current randomized clinical trial was carried out on 64 patients diagnosed with...