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Esketamine-Induced Dissociation: A Case Report.

Jake Scarcella, Jeffrey MacDaniels, Lucinda Coffin, Thomas Schwartz

Journal of Psychoactive Drugs November 10, 2024 DOI: 10.1080/02791072.2024.2424283 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Case report Peer reviewed
Sample size 1
Population 41-year-old female with treatment-resistant depression
Intervention Esketamine
Topics Esketamine Ketamine
Keywords Treatment-resistant depression trd Adverse effect ae #depression-treatment trd Therapy Antidepressant #esketamine ketamine #adverse-effects ae Side effects Drug reactions #dissociation dep
Citations 1
Key findings A patient with treatment-resistant depression developed a severe dissociative episode with hallucinogenic-like phenomena while taking esketamine, despite significant improvement in depressive symptoms.

Abstract

Esketamine, the isolated S-enantiomer of ketamine, has been a recent breakthrough as a non-monoaminergic treatment for treatment-resistant depression (TRD). This case report explores a rare adverse event in a 41-year-old female with TRD, who, despite experiencing significant depressive improvement with esketamine, encountered a severe dissociative episode accompanied by hallucinogenic-like phenomena. While esketamine's efficacy in TRD is well-documented, this pronounced dissociation should be taken into consideration by researchers and clinicians before prescribing. As esketamine continues to aid TRD treatment, comprehension of its safety profile becomes essential for informed decision-making, ensuring optimized patient care in the vast development of antidepressant therapies.

Comparable studies

Other case reports and case series on esketamine, most cited first.

Study Year Design Participants
Electroconvulsive Therapy, Ketamine, and Esketamine in a Patient with Major Depressive Disorder and Multiple Comorbidities: A Case Report over 10-year Treatment from Adolescence to Adulthood. A patient with treatment-resistant depression and comorbid generalized anxiety... 2025 Case report n = 1
Oral Administration of the NMDA Receptor Antagonist S-Ketamine as Add-On Therapy of Depression: A Case Series Four depressed patients taking standard antidepressants 2009 Case series n = 4
Effects of intranasal (S)-ketamine on Veterans with co-morbid treatment-resistant depression and PTSD: A retrospective case series Veterans with co-morbid depression and PTSD 2022 Retrospective case series n = 35
Case report: Intramuscular ketamine or intranasal esketamine as a treatment in four patients with major depressive disorder and comorbid anorexia nervosa Patients with anorexia nervosa and a comorbid depressive disorder treated at a private... 2023 Case report n = 4
Repeated oral esketamine in patients with treatment resistant depression and comorbid posttraumatic stress disorder Patients with treatment-resistant depression and comorbid PTSD 2023 Case series n = 5

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