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The Teen Marijuana Check-Up

NCT ID: NCT00350285

Last Updated: 2008-10-23

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

PHASE2

Total Enrollment

310 participants

Study Classification

INTERVENTIONAL

Study Start Date

2004-09-30

Study Completion Date

2008-06-30

Brief Summary

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This behavioral research is an efficacy trial evaluating an intervention called "The Teen Marijuana Check-Up" with non-treatment seeking adolescent marijuana users.

Detailed Description

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Three hundred adolescents who smoke marijuana (ages 14-19), recruited in four Seattle-area high schools, will be enrolled in the trial. Participants will be recruited either through in-class presentations focusing on marijuana or via referrals from school staff. They will first be assessed regarding use of marijuana, alcohol, and other drugs, as well as pertinent attitudes and goals. Participants will then be randomly assigned to one of three conditions.

* The experimental intervention is a two-session motivational enhancement treatment. A personalized feedback report, containing information from the participant's assessment as well as normative comparison data, is reviewed, with the Health Educator employing motivational interviewing strategies intended to enhance motivation for reduction or cessation of marijuana use. Specific goals for change and behavior change strategies are discussed with participants who wish support to change their marijuana use.
* The comparison condition involves two educational sessions focusing on the health and behavioral effects of marijuana.
* The third condition (delayed treatment control) involves a minimal baseline assessment followed three months later by a reassessment interview. Those assigned to this condition will then be given their choice of either active treatment.

Following completion of their two intervention sessions, participants in the two active treatments will be offered an additional four sessions of cognitive-behavioral skills training in which the focus is strategies in quitting marijuana. All participants will be reassessed at 3 and 12 months following their initial assessment interviews.

Conditions

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Cannabis Abuse Cannabis Dependence

Keywords

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cannabis marijuana

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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1

Motivational enhancement therapy

Group Type EXPERIMENTAL

Motivational enhancement therapy

Intervention Type BEHAVIORAL

Personal feedback with counselor using motivational interviewing strategies.

2

Marijuana education

Group Type ACTIVE_COMPARATOR

Marijuana education

Intervention Type BEHAVIORAL

Information about health and behavioral effects of marijuana use.

3

Delayed treatment control condition

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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Motivational enhancement therapy

Personal feedback with counselor using motivational interviewing strategies.

Intervention Type BEHAVIORAL

Marijuana education

Information about health and behavioral effects of marijuana use.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* age (14-19 years old),
* grade level (freshmen through seniors) and
* marijuana use (smoked 9 or more days in past 30).

Exclusion Criteria

* they are not fluent in English,
* they have a thought disorder that precludes full participation,
* they refuse to accept randomization to condition.
Minimum Eligible Age

14 Years

Maximum Eligible Age

19 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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National Institute on Drug Abuse (NIDA)

NIH

Sponsor Role collaborator

University of Washington

OTHER

Sponsor Role lead

Responsible Party

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University of Washington

Principal Investigators

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Roger A Roffman, DSW

Role: PRINCIPAL_INVESTIGATOR

University of Washington School of Social Work

Countries

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United States

Other Identifiers

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R01DA014296

Identifier Type: NIH

Identifier Source: secondary_id

View Link

01-8666-G-05

Identifier Type: -

Identifier Source: org_study_id