About this trial
This human laboratory study aims to assess the effects of cannabidiol on alcohol consumption and craving in participants with alcohol use disorder. In this double-blind within-subject placebo-controlled crossover trial, participants will be randomized to receive both cannabidiol and placebo with a 2-week washout period separating the two treatment phases.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Meets DSM-5 criteria for AUD.
Meets drinking criteria of average weekly consumption > 10 standard drinks for women and > 15 standard drinks for men over the past 90 days.
Willing to take study medication and participate in laboratory sessions requiring self-administration of alcohol
Agrees not to use cannabis or illicit drugs during the study period.
Disqualifiers
Clinical Institute Withdrawal Assessment (CIWA-Ar) score of 10 or above upon initial assessment
History of severe alcohol withdrawal including withdrawal seizures, alcoholic hallucinosis, or delirium tremens
Any history of seizures
Serious unstable medical condition, including severe hepatic abnormalities
Trial design
Crossover
Treatments tested in this trial
Oral solution
Drug300 mg taken morning and evening
Treatment groups
Trial outcomes
Primary outcomes
Total number of drinks administered during the alcohol-self administration session
Number of drinks consumed during the alcohol self-administration session.
Peak breath alcohol concentration during the alcohol-self administration session
Maximum breath alcohol concentration during the alcohol self-administration session.
Craving at baseline as measured by the Alcohol Urge Questionnaire during the alcohol self-administration session.
Alcohol Urge Questionnaire Scores (minimum score = 8; maximum score = 56; higher scores indicates higher levels of craving)
Craving following the priming dose of alcohol as measured by the Alcohol Urge Questionnaire during the alcohol self-administration session.
Alcohol Urge Questionnaire Scores (minimum score = 8; maximum score = 56; higher scores indicates higher levels of craving)
Secondary outcomes
Subjective effects of alcohol during the alcohol self-administration session as measured by the Drug Effects Questionnaire.
Drug Effects Questionnaire (each item scored from 0 to 100). The higher the score, the more the participant feels that "effect".
Subjective effects of alcohol during the alcohol self-administration session as measured by the Brief Biphasic Alcohol Effects Scale
Brief Biphasic Alcohol Effects Scale (stimulation factor ranges from 0-30, sedation factor ranges from 0-30)
Safety and tolerability of CBD
Measured through monitoring adverse effects during the study, measured by number of adverse effects and severity of adverse effect.
Differences in alcohol consumption (measured by the Timeline Follow Back method) outside of the lab during treatment with CBD vs. placebo
Number of drinks, drinking days and binge drinking (≥ 4 drinks during a single day for females, ≥ 5 drinks during a single day for males)
Sponsors and contacts
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