INTRODUCTION Ketamine intravenous therapy (KIT) appears effective for treating depression in controlled trials testing a short series of infusions. A rapidly proliferating number of clinics offer KIT for depression and anxiety, using protocols without a strong evidence basis. Controlled comparison of mood and anxiety from real-world KIT clinics, and the stability of outcomes, is lacking....
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...