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The Effects of Marijuana on Orientation and Motor Coordination and Brain Metabolism in Regular Smokers of Marijuana

NCT ID: NCT00270803

Last Updated: 2008-05-07

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

12 participants

Study Classification

INTERVENTIONAL

Study Start Date

2004-07-31

Study Completion Date

2005-12-31

Brief Summary

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This study investigates the effects of 17mg and 13mg Delta THC on orientation and motor coordination and brain metabolic activity in regular users of marijuana. Subjects were tested twice, after smoking cigarettes with marijuana and after smoking cigarettes without marijuana.On both occasions they performed on a virtual reality maze task. They were afterwards scanned in Positron Emission Tomography (PET) with Fluoro-deoxy-glucose (FDG).

Detailed Description

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This study investigates the effects of 17mg and 13mg Delta THC on orientation and motor coordination and brain metabolic activity in regular users of marijuana. Subjects were tested twice, after smoking cigarettes with marijuana and after smoking cigarettes without marijuana. On both occasions they performed on a virtual reality maze task. They were afterwards scanned in Positron Emission Tomography (PET) with Fluoro-deoxy-glucose (FDG). 12 subjects were tested so far on both conditions.

Conditions

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Marijuana Dependence

Keywords

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Marijuana, FDG, PET, maze, THC, motor coordination.

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

SINGLE_GROUP

Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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A

Low nicotine cigarettes without THC

Group Type PLACEBO_COMPARATOR

Tetra Hydro Cannabinol (THC)

Intervention Type DRUG

Oral THC 13mg and 17mg smoked in low nicotine cigarettes

Interventions

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Tetra Hydro Cannabinol (THC)

Oral THC 13mg and 17mg smoked in low nicotine cigarettes

Intervention Type DRUG

Other Intervention Names

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Marijuana, cannabis

Eligibility Criteria

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Inclusion Criteria

* Marijuana dependence
* Age 20-65
* Male and female

Exclusion Criteria

* Pregnant women
* Dependence on other substances
* Psychiatric diagnosis apart from marijuana dependence
* Neurological disorder
* Young persons
Minimum Eligible Age

20 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Hadassah Medical Organization

OTHER

Sponsor Role collaborator

Tel-Aviv Sourasky Medical Center

OTHER_GOV

Sponsor Role lead

Responsible Party

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Sourasky Medical Center Tel Aviv

Principal Investigators

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Aviv M Weinstein, Ph.D

Role: PRINCIPAL_INVESTIGATOR

Sourasky Medical Center

Einat Even-Sapir, M.D. Ph.D

Role: PRINCIPAL_INVESTIGATOR

Sourasky Medical Center

Locations

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Department of Nuclear Medicine

Tel Aviv, , Israel

Site Status

Countries

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Israel

Other Identifiers

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TASMC-05-EE-03-124-CTIL

Identifier Type: -

Identifier Source: org_study_id