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Ketamine-like effects after recreational use of methoxetamine.

Katharina E Hofer, Bettina Grager, Daniel Müller, Christine Rauber-Lüthy, Hugo Kupferschmidt, Katharina Rentsch, Alessandro Ceschi

Annals of emergency medicine July 1, 2012 DOI: 10.1016/j.annemergmed.2011.11.018 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Case report Peer reviewed
Sample size 1
Population A 19-year-old man
Intervention symptomatic treatment
Topics Esketamine Ketamine
Key findings Methoxetamine produces ketamine-like effects and complete recovery can be expected with supportive care.

Abstract

Methoxetamine, the N-ethyl derivative of ketamine, is a novel recreational drug that is not at present subject to restrictive regulations in most countries. To our knowledge, no case of methoxetamine abuse has been published to date in the scientific literature, and the only sources of information are illegal drug users' Web discussion forums. We report the first case of analytically confirmed intravenous methoxetamine abuse in a 19-year-old man. Observed signs and symptoms such as tachycardia, hypertension, confusion, agitation, stupor, ataxia, mydriasis, and nystagmus were consistent with ketamine-induced adverse effects and resolved with symptomatic treatment. According to this case report, user Web reports, and the chemical structure, methoxetamine produces ketamine-like effects. Complete recovery can be expected with supportive care.

Comparable studies

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

Study Year Design Participants
The destruction of the lower urinary tract by ketamine abuse: a new syndrome? Young recreational abusers of street-ketamine in Hong Kong referred to urology units 2008 Retrospective case series n = 59
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
Treatment of compulsive behaviour in eating disorders with intermittent ketamine infusions Chronic and treatment-resistant eating disorder patients 1998 Case series n = 15
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
A longitudinal case series of IM ketamine for patients with severe and enduring eating disorders and comorbid treatment‐resistant depression Patients with enduring eating disorders and treatment-resistant depression 2021 Case series n = 4

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