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Cannabinoid Receptor Function & Alcoholism

Cannabinoid Receptor Function & Alcoholism: Effects of Δ-9-THC

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00624715
Enrollment
29
Registered
2008-02-27
Start date
2007-08-09
Completion date
2010-06-22
Last updated
2022-03-11

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Alcoholism

Brief summary

This study attempts to characterize the effects of tetrahydrocannabinol (THC). Tetrahydrocannabinol is the active ingredient of marijuana, cannabis, ganja, or pot. This study will involve healthy volunteers who 1) have no history of alcoholism in their family or 2) have a family history of alcoholism. This study looks at individuals with or without a family history of alcoholism to determine if there is a difference between the two groups in the response to THC.

Interventions

DRUGTHC

* High dose: 0.036 mg/kg (2.5 mg in a 70 kg individual)IV (in the vein) dissolved in ethanol. Equivalent to smoking a full joint * Low dose: 0.018 mg/kg (1.25 mg in a 70kg individual) IV (in the vein) dissolved in ethanol.Equivalent to smoking ½ of a joint * Very low dose: 0.0036 mg/kg (0.25 mg in a 70 kg individual)IV (in the vein) dissolved in ethanol. Equivalent to smoking 1/10 of a joint

DRUGPlacebo

Placebo: Small amount of ethanol IV (in the vein), (quarter teaspoon).

Sponsors

National Institute on Alcohol Abuse and Alcoholism (NIAAA)
CollaboratorNIH
Yale University
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
BASIC_SCIENCE
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 30 Years
Healthy volunteers
Yes

Inclusion criteria

* Exposure to cannabis at least once

Exclusion criteria

* Pregnancy

Design outcomes

Primary

MeasureTime frame
Clinician Administered Dissociative Symptoms Scale, Visual Analog Scale (High rating), Rey Auditory Verbal Learning TestBaseline, +15, +25 (RAVLT only), +70, +240

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026