Cited by 163Treatment of Major DepressionSubstance Abuse Treatment and OutcomesPsychedelics and Drug Studies

Ketamine for the treatment of addiction: evidence and potential mechanisms

Ivan Ezquerra-Romano, I., Lawn, W., Krupitsky, E., Morgan, C.J.A.·2018·Neuropharmacology

Abstract

Ketamine is a dissociative anaesthetic drug which acts on the central nervous system chiefly through antagonism of the n-methyl-d-aspartate (NMDA) receptor. Recently, ketamine has attracted attention as a rapid-acting anti-depressant but other studies have also reported its efficacy in reducing problematic alcohol and drug use. This review explores the preclinical and clinical research into ketamine's ability to treat addiction. Despite methodological limitations and the relative infancy of the field, results thus far are promising. Ketamine has been shown to effectively prolong abstinence from alcohol and heroin in detoxified alcoholics and heroin dependent individuals, respectively. Moreover, ketamine reduced craving for and self-administration of cocaine in non-treatment seeking cocaine users. However, further randomised controlled trials are urgently needed to confirm ketamine's efficacy. Possible mechanisms by which ketamine may work within addiction include: enhancement of neuroplasticity and neurogenesis, disruption of relevant functional neural networks, treating depressive symptoms, blocking reconsolidation of drug-related memories, provoking mystical experiences and enhancing psychological therapy efficacy. Identifying the mechanisms by which ketamine exerts its therapeutic effects in addiction, from the many possible candidates, is crucial for advancing this treatment and may have broader implications understanding other psychedelic therapies. In conclusion, ketamine shows great promise as a treatment for various addictions, but well-controlled research is urgently needed. This article is part of the Special Issue entitled 'Psychedelics: New Doors, Altered Perceptions'.

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Crossref · 10.1016/j.neuropharm.2018.01.017

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149 of 149 references verified0 citation errors · 0 not checkable

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  • Ketamine has demonstrated remarkable and rapid anti-depressant effects, manifesting as early as a day after administration, in contrast to the response lag observed with traditional antidepressants.

    “Ketamine has also demonstrated remarkable and rapid anti-depressant effects, manifesting as early as a day after administration, in contrast to the “response lag” observed with traditional antidepressants (37, 42, 64).”

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Authors
Ivan Ezquerra-Romano, I., Lawn, W., Krupitsky, E., & Morgan, C. J. A.
Affiliations
  • University College London (GB)
  • First Pavlov State Medical University of St. Petersburg (RU)
  • University of Exeter (GB)
Corresponding author
Morgan, C.J.A.
Venue
Neuropharmacology
Publisher
Elsevier BV
Published
2018-11
Volume
142
Pages
72-82
ISSN
0028-3908 (ISSN-L)
OpenAlex
W2784219766
Cited by
163
References
149
Citations by year
2026: 16 · 2025: 28 · 2024: 29 · 2023: 21 · 2022: 27 · 2021: 11 · 2020: 14 · 2019: 10 · 2018: 6
FWCI
1.20
Type
journal article
Language
en
Open access
closed
Locations
  • Neuropharmacology (publishedVersion)
  • PubMed (publishedVersion)
  • Open Research Exeter (University of Exeter) (acceptedVersion)
  • UCL Discovery (University College London) (submittedVersion)
  • Figshare (submittedVersion)
Funders
Medical Research Council (MR/L023032/1)
Topics
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
  • Health Sciences › Medicine › Epidemiology › Substance Abuse Treatment and Outcomes
  • Social Sciences › Psychology › Clinical Psychology › Psychedelics and Drug Studies
Keywords
ketamine, addiction treatment, NMDA receptor antagonism, alcoholism, heroin addiction, cocaine self-administration, craving, abstinence, neuroplasticity, neurogenesis, psychedelic therapy, rapid-acting antidepressants, mystical experience
MeSH terms
Animals, Humans, Ketamine, Psychotropic Drugs, Behavior, Addictive, Substance-Related Disorders

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