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Alcohol Use DisorderNCT06105138

Cannabidiol Effects on Blood Alcohol Level and Intoxication

A study testing 200mg Cannabidiol oral solution and 30mg Cannabidiol oral solution in people with Alcohol Use Disorder, run by Colorado State University at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The main objectives of this study were to test if 2 different doses of Cannabidiol (compared to placebo) alter 1) breath alcohol concentration, 2) craving and subjective responses to alcohol or 3) cognitive performance following a standard dose of alcohol. Read more about this study

Who is it for?
Ages 21 to 60 yearsHealthy volunteers can take part
Conditions the study is for
Alcohol Use Disorder
What is being tested?
200mg Cannabidiol oral solution and 30mg Cannabidiol oral solution
Type of treatment
Pill or oral medicine
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
37 participants
Where
1 siteUnited States
Study dates
9 Mar 2021to 3 Mar 2022
Phase
Interventional
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 21 to 60 years
  • All sexes
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • 21-60 years old
  • able to provide consent
  • willing to consume CBD during the study
  • report heavy drinking (>5 drinks [>4 for women] per occasion on at least 5 days/month in the past 3 months)
  • not cannabis/CBD naive (i.e. THC or CBD use at least once in the past year), do not use cannabis regularly (i.e., less than monthly over past year), and no past-month cannabis use.

Who cannot join

  • a regular or recent cannabis user (i.e. they used cannabis more often than monthly during the past year or used cannabis in the past month)
  • were seeking treatment a substance use disorder (SUD) including AUD, taking medications to treat bipolar or psychotic disorders
  • using nicotine every day
  • taking blood thinning medications
  • reported having a major medical condition contraindicating alcohol or CBD use (e.g., liver disease or heart disease)
  • reported current suicidality
Show all 9Show fewer
  • met criteria for psychotic disorder, bipolar disorder or a current major depressive episode,
  • reported using illicit drugs in the 30 days prior to beginning the study or tested positive for any illicit drugs
  • were pregnant, breastfeeding or trying to become pregnant.

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Colorado State University

    Fort Collins, Colorado, 80523

Other trials in United States

About this study

Official title: Exploring the Effects of Acute Cannabidiol Administration on Blood Alcohol Level and Intoxication in Adult Human Subjects

The main objectives of this study were to test if 2 different doses of Cannabidiol (compared to placebo) alter 1) breath alcohol concentration, 2) craving and subjective responses to alcohol or 3) cognitive performance following a standard dose of alcohol.

Read the detailed description

Cannabidiol (CBD), is commonly found in the cannabis plant and has shown promise in treating alcohol use disorders (AUD). In this within-subjects, placebo-controlled, crossover study, the investigators explored the effects of two doses (200mg and 30mg) of plant-based CBD (compared to placebo CBD) on blood alcohol level, subjective effects of alcohol, craving and cognition over the course 4 hours after subjects consume a standardized dose of alcohol.

This pilot study was conducted at Colorado State University and volunteers were recruited from the local community. 36 individuals completed at least 1 study session and 22 completed all three sessions. At each session they received either placebo 30mg oral CBD or 200mg oral CBD prior to being given a standard dose of alcohol. They then remained in our laboratory for 4 hours and completed cognitive testing using the NIH toolbox Cognitive Battery, breath alcohol level measurements and self-reported intoxication ratings (using the The Biphasic Alcohol Effects Scale [BAES] and the The Subjective Effects of Alcohol Scale [SEAS]) and reported their craving levels using the Alcohol Urge Questionnaire (AUQ) every 30 minutes. They also provided 3 blood samples to measure blood-CBD levels at each session (prior to receiving the CBD, 25 minutes post-CBD ingestion and again 60 minutes later). Study sessions were separated by at least one week.

Being tested
200mg Cannabidiol oral solution, 30mg Cannabidiol oral solution, Placebo
Keywords
alcohol, cannabidiol, craving
Medical subject headings
Alcoholism

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • 200mg Cannabidiol oral solutionDietary supplement

    200mg cannabidiol administered in the laboratory prior to a standard dose of alcohol.

    The water-soluble product is standardized to 5.0% cannabidiol, 0.0% THC and composed of reverse-osmosis water, gum arabic, cannabidiol, MCT (Medium Chain Triglyceride) oil and citric acid. The same lot of Caliper water soluble CBD was used for both the 30 mg and 200 mg test variable. All CBD was sourced from the same lot of CDB isolate. The Caliper commercial product conforms to all standards set forth by the CDPHE (Colorado Dept of Public Health and Environment).

  • 30mg Cannabidiol oral solutionDietary supplement

    30mg cannabidiol administered in the laboratory prior to a standard dose of alcohol.

    The water-soluble product is standardized to 5.0% cannabidiol, 0.0% THC and composed of reverse-osmosis water, gum arabic, cannabidiol, MCT (Medium Chain Triglyceride) oil and citric acid. The same lot of Caliper water soluble CBD was used for both the 30 mg and 200 mg test variable. All CBD was sourced from the same lot of CDB isolate. The Caliper commercial product conforms to all standards set forth by the CDPHE (Colorado Dept of Public Health and Environment).

  • PlaceboDietary supplement

    Placebo administered in the laboratory prior to a standard dose of alcohol.

    The placebo was made up for the study and contained reverse-osmosis water, gum arabic, MCT (Medium Chain Triglyceride) oil, citric acid, plus the addition of a natural food color, used at <0.1%.

Study groups in NCT06105138
Study groupRoleWhat they receive
200mg CannabidiolExperimental- A single dose of 200mg commercially available (product code T-L-A-5) water-soluble solution supplied by Caliper Foods, to be consumed orally (mixed with water).
Receives: Dietary Supplement: 200mg Cannabidiol oral solution
30mg Cannabidiol,Experimental- A single dose of 30mg commercially available (product code T-L-A-5) water-soluble solution supplied by Caliper Foods, to be consumed orally (mixed with water).
Receives: Dietary Supplement: 30mg Cannabidiol oral solution
PlaceboPlacebo comparator- A single dose of water-soluble Placebo solution supplied by Caliper Foods, to be consumed orally (mixed with water).
Receives: Dietary Supplement: Placebo

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Breath Alcohol Concentration (BrAC)

    Breath alcohol level will be measured using a breathalyzer repeatedly during the experimental session

    Measured: Timepoint 1 (20 minutes after alcohol consumption is complete)

  2. Breath Alcohol Concentration (BrAC)

    Breath alcohol level will be measured using a breathalyzer repeatedly during the experimental session

    Measured: Timepoint 2 (30 minutes after Timepoint 1)

  3. Breath Alcohol Concentration (BrAC)

    Breath alcohol level will be measured using a breathalyzer repeatedly during the experimental session

    Measured: Timepoint 3 (30 minutes after Timepoint 2)

  4. Breath Alcohol Concentration (BrAC)

    Breath alcohol level will be measured using a breathalyzer repeatedly during the experimental session

    Measured: Timepoint 4 (30 minutes after Timepoint 3)

  5. Breath Alcohol Concentration (BrAC)

    Breath alcohol level will be measured using a breathalyzer repeatedly during the experimental session

    Measured: Timepoint 5 (30 minutes after Timepoint 4)

  6. Breath Alcohol Concentration (BrAC)

    Breath alcohol level will be measured using a breathalyzer repeatedly during the experimental session

    Measured: Timepoint 6 (30 minutes after Timepoint 6)

  7. Breath Alcohol Concentration (BrAC)

    Breath alcohol level will be measured using a breathalyzer repeatedly during the experimental session

    Measured: Timepoint 7 (30 minutes after Timepoint 6)

  8. Breath Alcohol Concentration (BrAC)

    Breath alcohol level will be measured using a breathalyzer repeatedly during the experimental session

    Measured: Timepoint 8 (30 minutes after Timepoint 9)

  9. Breath Alcohol Concentration (BrAC)

    Breath alcohol level will be measured using a breathalyzer repeatedly during the experimental session

    Measured: Timepoint 9 (30 minutes after Timepoint 8)

  10. Biphasic Effects of Alcohol (BAES)--Stimulation Subscale

    BAES stimulation will be measured by self-report repeatedly during the experimental session. The total score on the stimulation subscale ranges from 0-70 where higher is more stimulated.

    Measured: Timepoint 1 (20 minutes after alcohol consumption is complete)

  11. Biphasic Effects of Alcohol (BAES)--Stimulation Subscale

    BAES stimulation will be measured by self-report repeatedly during the experimental session. The total score on the stimulation subscale ranges from 0-70 where higher is more stimulated.

    Measured: Timepoint 2 (30 minutes after Timepoint 1)

  12. Biphasic Effects of Alcohol (BAES)--Stimulation Subscale

    BAES stimulation will be measured by self-report repeatedly during the experimental session. The total score on the stimulation subscale ranges from 0-70 where higher is more stimulated.

    Measured: Timepoint 3 (30 minutes after Timepoint 2)

  13. Biphasic Effects of Alcohol (BAES)--Stimulation Subscale

    BAES stimulation will be measured by self-report repeatedly during the experimental session. The total score on the stimulation subscale ranges from 0-70 where higher is more stimulated.

    Measured: Timepoint 4 (30 minutes after Timepoint 3)

  14. Biphasic Effects of Alcohol (BAES)--Stimulation Subscale

    BAES stimulation will be measured by self-report repeatedly during the experimental session. The total score on the stimulation subscale ranges from 0-70 where higher is more stimulated.

    Measured: Timepoint 5 (30 minutes after Timepoint 4)

  15. Biphasic Effects of Alcohol (BAES)--Stimulation Subscale

    BAES stimulation will be measured by self-report repeatedly during the experimental session. The total score on the stimulation subscale ranges from 0-70 where higher is more stimulated.

    Measured: Timepoint 6 (30 minutes after Timepoint 5)

  16. Biphasic Effects of Alcohol (BAES)--Stimulation Subscale

    BAES stimulation will be measured by self-report repeatedly during the experimental session. The total score on the stimulation subscale ranges from 0-70 where higher is more stimulated.

    Measured: Timepoint 7 (30 minutes after Timepoint 6)

  17. Biphasic Effects of Alcohol (BAES)--Stimulation Subscale

    BAES stimulation will be measured by self-report repeatedly during the experimental session. The total score on the stimulation subscale ranges from 0-70 where higher is more stimulated.

    Measured: Timepoint 8 (30 minutes after Timepoint 7)

  18. Biphasic Effects of Alcohol (BAES)--Stimulation Subscale

    BAES stimulation will be measured by self-report repeatedly during the experimental session. The total score on the stimulation subscale ranges from 0-70 where higher is more stimulated.

    Measured: Timepoint 9 (30 minutes after Timepoint 8)

  19. Biphasic Effects of Alcohol--Sedation Subscale

    BAES sedation will be measured by self-report repeatedly during the experimental session. The total score on the sedation subscale ranges from 0-70 where higher is more sedated

    Measured: Timepoint 1 (20 minutes after alcohol consumption is complete)

  20. Biphasic Effects of Alcohol--Sedation Subscale

    BAES sedation will be measured by self-report repeatedly during the experimental session. The total score on the sedation subscale ranges from 0-70 where higher is more sedated

    Measured: Timepoint 2 (30 minutes after Timepoint 1)

  21. Biphasic Effects of Alcohol--Sedation Subscale

    BAES sedation will be measured by self-report repeatedly during the experimental session. The total score on the sedation subscale ranges from 0-70 where higher is more sedated

    Measured: Timepoint 3 (30 minutes after Timepoint 2)

  22. Biphasic Effects of Alcohol--Sedation Subscale

    BAES sedation will be measured by self-report repeatedly during the experimental session. The total score on the sedation subscale ranges from 0-70 where higher is more sedated

    Measured: Timepoint 4 (30 minutes after Timepoint 3)

  23. Biphasic Effects of Alcohol--Sedation Subscale

    BAES sedation will be measured by self-report repeatedly during the experimental session. The total score on the sedation subscale ranges from 0-70 where higher is more sedated

    Measured: Timepoint 5 (30 minutes after Timepoint 4)

  24. Biphasic Effects of Alcohol--Sedation Subscale

    BAES sedation will be measured by self-report repeatedly during the experimental session. The total score on the sedation subscale ranges from 0-70 where higher is more sedated

    Measured: Timepoint 6 (30 minutes after Timepoint 5)

  25. Biphasic Effects of Alcohol--Sedation Subscale

    BAES sedation will be measured by self-report repeatedly during the experimental session. The total score on the sedation subscale ranges from 0-70 where higher is more sedated

    Measured: Timepoint 7 (30 minutes after Timepoint 6)

  26. Biphasic Effects of Alcohol--Sedation Subscale

    BAES sedation will be measured by self-report repeatedly during the experimental session. The total score on the sedation subscale ranges from 0-70 where higher is more sedated

    Measured: Timepoint 8 (30 minutes after Timepoint 7)

  27. Biphasic Effects of Alcohol--Sedation Subscale

    BAES sedation will be measured by self-report repeatedly during the experimental session. The total score on the sedation subscale ranges from 0-70 where higher is more sedated

    Measured: Timepoint 9 (30 minutes after Timepoint 8)

  28. Alcohol Urge Questionnaire (AUQ

    The AUQ is a self-report measure of urge for alcohol and has been validated for real-time assessment of alcohol craving in the laboratory. The total score on the measure ranges from 0-48 where higher is worse

    Measured: Timepoint 1 (20 minutes after alcohol consumption is complete)

  29. Alcohol Urge Questionnaire (AUQ

    The AUQ is a self-report measure of urge for alcohol and has been validated for real-time assessment of alcohol craving in the laboratory. The total score on the measure ranges from 0-48 where higher is worse

    Measured: Timepoint 2 (30 minutes after Timepoint 1)

  30. Alcohol Urge Questionnaire (AUQ

    The AUQ is a self-report measure of urge for alcohol and has been validated for real-time assessment of alcohol craving in the laboratory. The total score on the measure ranges from 0-48 where higher is worse

    Measured: Timepoint 3 (30 minutes after Timepoint 4)

  31. Alcohol Urge Questionnaire (AUQ

    The AUQ is a self-report measure of urge for alcohol and has been validated for real-time assessment of alcohol craving in the laboratory. The total score on the measure ranges from 0-48 where higher is worse

    Measured: Timepoint 4 (30 minutes after Timepoint 3)

  32. Alcohol Urge Questionnaire (AUQ

    The AUQ is a self-report measure of urge for alcohol and has been validated for real-time assessment of alcohol craving in the laboratory. The total score on the measure ranges from 0-48 where higher is worse

    Measured: Timepoint 5 (30 minutes after Timepoint 4)

  33. Alcohol Urge Questionnaire (AUQ

    The AUQ is a self-report measure of urge for alcohol and has been validated for real-time assessment of alcohol craving in the laboratory. The total score on the measure ranges from 0-48 where higher is worse

    Measured: Timepoint 6 (30 minutes after Timepoint 5)

  34. Alcohol Urge Questionnaire (AUQ

    The AUQ is a self-report measure of urge for alcohol and has been validated for real-time assessment of alcohol craving in the laboratory. The total score on the measure ranges from 0-48 where higher is worse

    Measured: Timepoint 7 (30 minutes after Timepoint 6)

  35. Alcohol Urge Questionnaire (AUQ

    The AUQ is a self-report measure of urge for alcohol and has been validated for real-time assessment of alcohol craving in the laboratory. The total score on the measure ranges from 0-48 where higher is worse

    Measured: Timepoint 8 (30 minutes after Timepoint 7)

  36. Alcohol Urge Questionnaire (AUQ

    The AUQ is a self-report measure of urge for alcohol and has been validated for real-time assessment of alcohol craving in the laboratory. The total score on the measure ranges from 0-48 where higher is worse

    Measured: Timepoint 9 (30 minutes after Timepoint 8)

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted27 Oct 2023
  2. Study start9 Mar 2021
  3. Primary completion3 Mar 2022
  4. Study completion3 Mar 2022

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Crossover
Masking
Single blind
Who is masked
Participant
Enrolment
37 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT06105138
Sponsor's protocol ID
1903
Status last verified
Oct 2024
First submitted
23 Oct 2023
Last updated
23 Oct 2024
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Yes: Individual (de-identified) participant data is to be made available to other researchers.

Publications

  • Karoly HC, Drennan ML, Prince MA, Zulic L, Dooley G. Consuming oral cannabidiol prior to a standard alcohol dose has minimal effect on breath alcohol level and subjective effects of alcohol. Psychopharmacology (Berl). 2023 May;240(5):1119-1129. doi: 10.1007/s00213-023-06349-z. Epub 2023 Mar 20.

    PubMed 36939855

Questions about this trial

What is this clinical trial studying?

A study testing 200mg Cannabidiol oral solution and 30mg Cannabidiol oral solution in people with Alcohol Use Disorder, run by Colorado State University at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 5 inclusion and 9 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 23 Oct 2024. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

Yes. Results are posted in the registry (first posted 19 Sep 2024). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Breath Alcohol Concentration (BrAC) (time frame: Timepoint 1 (20 minutes after alcohol consumption is complete)). The study lists 36 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT06105138, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 23 Oct 2024.

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