TO THE EDITOR: Since 2000, several small randomized controlled trials have demonstrated that ketamine has potent and rapid-acting antidepressant effects in patients with treatment-resistant depression (1). Despite a lack of longterm data or Food and Drug Administration indication, many community providers and academic centers have begun offering ketamine treatment to patients with major...
IMPORTANCE: Several studies now provide evidence of ketamine hydrochloride's ability to produce rapid and robust antidepressant effects in patients with mood and anxiety disorders that were previously resistant to treatment. Despite the relatively small sample sizes, lack of longer-term data on efficacy, and limited data on safety provided by these studies, they have led to increased use of...