Exploring the Utility of a Functional Magnetic Resonance Imaging Cannabis Cue-Reactivity Paradigm in Treatment-Seeking Adults With Cannabis Use Disorder.

Autor: Sahlem GL; Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, California. Electronic address: gsahlem@stanford.edu., Dowdle LT; Department of Radiology, University of Minnesota, Minneapolis, Minnesota., Baker NL; Department of Public Health Sciences, Medical University of South Carolina, Charleston, South Carolina., Sherman BJ; Department of Psychiatry, Medical University of South Carolina, Charleston, South Carolina; Department of Psychology, The Citadel, Charleston, South Carolina., Gray KM; Department of Psychiatry, Medical University of South Carolina, Charleston, South Carolina., McRae-Clark AL; Department of Psychiatry, Medical University of South Carolina, Charleston, South Carolina; Ralph H. Johnson Department of Veterans Affairs Medical Center, Charleston, South Carolina., Froeliger B; Department of Psychiatry, University of Missouri, Columbia, Missouri; Department of Psychological Sciences, University of Missouri, Columbia, Missouri., Squeglia LM; Department of Psychiatry, Medical University of South Carolina, Charleston, South Carolina.
Jazyk: angličtina
Zdroj: Biological psychiatry. Cognitive neuroscience and neuroimaging [Biol Psychiatry Cogn Neurosci Neuroimaging] 2024 Sep 24. Date of Electronic Publication: 2024 Sep 24.
DOI: 10.1016/j.bpsc.2024.09.006
Abstrakt: Background: Functional magnetic resonance imaging studies examining cue reactivity in cannabis use disorder (CUD) either have had small sample sizes or have involved non-treatment-seeking participants. As a secondary analysis, we administered a functional magnetic resonance imaging cue-reactivity task to participants with CUD enrolled in 2 separate clinical trials (varenicline or repetitive transcranial magnetic stimulation) to determine the task activation patterns for treatment-seeking participants with CUD. We aimed to determine the activation patterns for the total sample and behavioral correlates. We additionally compared studies to determine if patterns were consistent.
Methods: Treatment-seeking participants with moderate or severe CUD had behavioral craving measured at baseline using the Marijuana Craving Questionnaire-Short Form and completed a visual cannabis cue-reactivity task during functional magnetic resonance imaging (measuring the blood oxygen level-dependent response) following 24 hours of cannabis abstinence.
Results: The sample included 65 participants (n = 37: varenicline trial; n = 28: repetitive transcranial magnetic stimulation trial; 32% female; mean age = 30.4 ± 9.9 years). When comparing cannabis images versus matched neutral images, participants showed greater blood oxygen level-dependent response in bilateral ventromedial-prefrontal, dorsolateral-prefrontal, anterior cingulate, and visual cortices as well as the striatum. There was stronger task-based functional connectivity between the medial prefrontal cortex and both the amygdala and the visual cortex. Craving negatively correlated with blood oxygen level-dependent response in the left ventral striatum (R 2  = -0.32; p = .01) in the full sample. There were no significant differences in either activation or task-based functional connectivity between studies.
Conclusions: In 2 separate treatment-seeking groups with CUD, there was increased cannabis cue reactivity and task-based functional connectivity in regions related to executive function and reward processing. Cannabis craving was negatively associated with cue reactivity in the left ventral striatum.
(Copyright © 2024 Society of Biological Psychiatry. Published by Elsevier Inc. All rights reserved.)
Databáze: MEDLINE
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