Gabapentin Treatment of Cannabis Dependence

NCT ID: NCT00974376

Last Updated: 2017-06-06

Study Results

Results available

Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.

View full results

Basic Information

Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.

Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

150 participants

Study Classification

INTERVENTIONAL

Study Start Date

2009-11-04

Study Completion Date

2016-05-19

Brief Summary

Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.

This is a clinical study to evaluate the efficacy of the medication gabapentin in treating persons with cannabis dependence.

Detailed Description

Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.

This is a 12-week, double blind, placebo controlled study to evaluate the efficacy of gabapentin in treating outpatients with cannabis dependence. After an initial phone screen, a comprehensive screening visit is scheduled to determine eligibility. Upon enrollment, counseling, medication dispensation and research assessments occur 1 time per week for 3 months.

Conditions

See the medical conditions and disease areas that this research is targeting or investigating.

Cannabis Dependence Cannabis Withdrawal Cognitive Deficits

Study Design

Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.

Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

TRIPLE

Participants Investigators Outcome Assessors

Study Groups

Review each arm or cohort in the study, along with the interventions and objectives associated with them.

Gabapentin 1200mg/day

1200mg/day of gabapentin for 12 weeks given in conjunction with 12 weeks of manual-guided behavioral counseling.

Group Type EXPERIMENTAL

gabapentin 1200mg/day

Intervention Type DRUG

gabapentin 1200mg/day for 12 weeks

Manual-guided behavioral counseling

Intervention Type BEHAVIORAL

Standardized manual-guided behavioral counseling performed 1 time per week for 12 weeks in conjunction with study drug or placebo.

Placebo

1200mg/day of placebo for 12 weeks given in conjunction with 12 weeks of manual-guided behavioral counseling.

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

1200mg/day of placebo for 12 weeks

Manual-guided behavioral counseling

Intervention Type BEHAVIORAL

Standardized manual-guided behavioral counseling performed 1 time per week for 12 weeks in conjunction with study drug or placebo.

Interventions

Learn about the drugs, procedures, or behavioral strategies being tested and how they are applied within this trial.

gabapentin 1200mg/day

gabapentin 1200mg/day for 12 weeks

Intervention Type DRUG

Placebo

1200mg/day of placebo for 12 weeks

Intervention Type DRUG

Manual-guided behavioral counseling

Standardized manual-guided behavioral counseling performed 1 time per week for 12 weeks in conjunction with study drug or placebo.

Intervention Type BEHAVIORAL

Other Intervention Names

Discover alternative or legacy names that may be used to describe the listed interventions across different sources.

Neurontin Manual-guided therapy

Eligibility Criteria

Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.

Inclusion Criteria

* Males or females from 18-65 years of age
* Meets DSM IV criteria for current cannabis dependence
* Seeking research-based outpatient treatment for cannabis dependence that involves daily medication
* Smoked MJ daily at least 25 days per month during the 90 days prior to randomization
* At least a 2-year history of regular MJ use

Exclusion Criteria

* Abstinent from cannabis more than 2 days at the time of randomization
* Active suicidal ideation
* Currently meets DSM IV criteria for abuse or dependence on other substances, or has urine drug screen positive for substances, other than cannabis or nicotine
* Significant medical disorders that will increase potential risk or interfere with study participation,
* Sexually active female participants with childbearing potential who are pregnant, nursing or refuse to use a reliable method of birth control
* Meets DSM IV criteria for a major AXIS I disorder other than cannabis and nicotine dependence,
* Inability to understand and/or comply with the provisions of the protocol and consent form
* Treatment with an investigational drug during the previous month
* Sensitivity to study drug as evidenced by adverse drug experiences with gabapentin or its ingredients
* Ongoing treatment with medications that may affect study outcomes
Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

Meet the organizations funding or collaborating on the study and learn about their roles.

National Institute on Drug Abuse (NIDA)

NIH

Sponsor Role collaborator

The Scripps Research Institute

OTHER

Sponsor Role lead

Responsible Party

Identify the individual or organization who holds primary responsibility for the study information submitted to regulators.

Barbara J. Mason

PI

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

Learn about the lead researchers overseeing the trial and their institutional affiliations.

Barbara J Mason, Ph.D.

Role: PRINCIPAL_INVESTIGATOR

The Scripps Research Institute

Locations

Explore where the study is taking place and check the recruitment status at each participating site.

The Scripps Research Institute

La Jolla, California, United States

Site Status

Countries

Review the countries where the study has at least one active or historical site.

United States

Related Links

Access external resources that provide additional context or updates about the study.

Other Identifiers

Review additional registry numbers or institutional identifiers associated with this trial.

5R01DA026758-05

Identifier Type: NIH

Identifier Source: secondary_id

View Link

DA026758

Identifier Type: -

Identifier Source: org_study_id

More Related Trials

Additional clinical trials that may be relevant based on similarity analysis.

Gabapentin for Alcohol Relapse Prevention
NCT02349477 COMPLETED PHASE2
Nabilone for Cannabis Dependence: A Pilot Study
NCT01347762 COMPLETED PHASE2/PHASE3
Cannabidiol and Cannabis Concentrate Users
NCT06575751 RECRUITING PHASE2
Combined Pharmacotherapy for Cannabis Dependency
NCT01020019 COMPLETED PHASE2/PHASE3