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KETAMINE AS A POSSIBLE MODERATOR OF HYPNOTIZABILITY: A Feasibility Study

David R Patterson, C. Hoffer, M. Jensen, S. Wiechman, S. Sharar

International Journal of Clinical and Experimental Hypnosis June 1, 2018 DOI: 10.1080/00207144.2018.1460559 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Pilot study Peer reviewed
Population Healthy volunteers who scored low on the Stanford Clinical Hypnotizability Scale
Intervention low-dose ketamine
Dose low dose
Topics Esketamine Ketamine
Citations 8
Key points Ketamine produced changes in dissociation and hypnotizability in the predicted direction, warranting further investigation.

Abstract

Abstract This pilot study explored the feasibility of using ketamine to increase hypnotizability scores. Ketamine, classified as a dissociative hallucinogen, is used clinically as an anesthetic in high doses and as a treatment for chronic pain and depression in lower doses. Low-dose ketamine can contribute to dissociation and heightened perceptions and feelings of detachment, arguably hypnotic-like states. The authors predicted that a low dose of ketamine in healthy volunteers who scored in the low hypnotizable range on the Stanford Clinical Hypnotizability Scale would (a) cause an increase in subjective ratings of dissociation and (b) lead to an increase in hypnotizability. The findings were in the predicted direction, warranting further investigation into the use of this agent to increase hypnotizability.

Comparable studies

Other non-randomized and open-label trials on ketamine, most cited first.

Study Year Design Participants
Rapid Resolution of Suicidal Ideation After a Single Infusion of anN-Methyl-D-Aspartate Antagonist in Patients With Treatment-Resistant Major Depressive Disorder Subjects with DSM-IV-diagnosed treatment-resistant major depressive disorder 2010 Open-label trial n = 33
Intravenous arketamine for treatment-resistant depression: open-label pilot study Humans with treatment-resistant depression 2020 Open-label pilot trial n = 7
A Phase 2 Open Label Study of Efficacy, Safety, and Tolerability of SLS-002 (Intranasal Racemic Ketamine) in Adults with MDD at Imminent Risk of Suicide. Hospitalized patients with Major Depressive Disorder and acute suicidal ideation and... 2024 Open label study n = 17
Ketamine Psychedelic Therapy (KPT): A Review of the Results of Ten Years of Research Alcoholic patients 1997 Controlled clinical trial n = 211
Ketamine Safety and Tolerability in Clinical Trials for Treatment-Resistant Depression Participants with DSM-IV-defined major depressive disorder and treatment-resistant... 2014 Pooled analysis of three clinical trials n = 97

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