Cannabinoid Receptor Function & Alcoholism

This study is currently recruiting participants. (see Contacts and Locations)
Verified April 2014 by Yale University
Sponsor:
Collaborator:
Information provided by (Responsible Party):
Deepak C. D'Souza, Yale University
ClinicalTrials.gov Identifier:
NCT00624715
First received: February 18, 2008
Last updated: July 17, 2014
Last verified: April 2014
  Purpose

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.


Condition Intervention Phase
Alcoholism
Drug: THC
Drug: Placebo
Phase 1

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Crossover Assignment
Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor)
Primary Purpose: Basic Science
Official Title: Cannabinoid Receptor Function & Alcoholism: Effects of Δ-9-THC

Resource links provided by NLM:


Further study details as provided by Yale University:

Primary Outcome Measures:
  • Clinician Administered Dissociative Symptoms Scale, Visual Analog Scale ("High" rating), Rey Auditory Verbal Learning Test [ Time Frame: Baseline, +15, +25 (RAVLT only), +70, +240 ] [ Designated as safety issue: Yes ]

Estimated Enrollment: 36
Study Start Date: July 2007
Estimated Study Completion Date: December 2014
Estimated Primary Completion Date: October 2014 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Active Comparator: THC
  • 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
Drug: THC
  • 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
Placebo Comparator: Placebo
Placebo: Small amount of ethanol IV (in the vein), (quarter teaspoon).
Drug: Placebo
Placebo: Small amount of ethanol IV (in the vein), (quarter teaspoon).

  Eligibility

Ages Eligible for Study:   18 Years to 30 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   Yes
Criteria

Inclusion Criteria:

  • Exposure to cannabis at least once

Exclusion Criteria:

  • Pregnancy
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its ClinicalTrials.gov identifier: NCT00624715

Contacts
Contact: Christina Luddy 203-932-5711 ext 4525 christina.luddy@yale.edu

Locations
United States, Connecticut
VA Connecticut Healthcare System Recruiting
West Haven, Connecticut, United States, 06516
Sponsors and Collaborators
Yale University
Investigators
Principal Investigator: Deepak D'Souza, M.D. Yale University
  More Information

No publications provided

Responsible Party: Deepak C. D'Souza, Associate Professor, Yale University
ClinicalTrials.gov Identifier: NCT00624715     History of Changes
Other Study ID Numbers: 0707002888, R21 AA 16311
Study First Received: February 18, 2008
Last Updated: July 17, 2014
Health Authority: United States: Food and Drug Administration

Additional relevant MeSH terms:
Alcoholism
Alcohol-Related Disorders
Substance-Related Disorders
Mental Disorders
Tetrahydrocannabinol
Hallucinogens
Physiological Effects of Drugs
Pharmacologic Actions
Central Nervous System Agents
Therapeutic Uses
Psychotropic Drugs
Analgesics, Non-Narcotic
Analgesics
Sensory System Agents
Peripheral Nervous System Agents

ClinicalTrials.gov processed this record on July 24, 2014