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CARS: Cannabis and Alcohol Reduction Study

Brief Computerized Intervention for Reducing Adolescent Cannabis and Alcohol Use

Who can join

Ages 13 to 17 · All sexes

Inclusion Criteria:

* between the ages of 13 and 17
* be seeking treatment for either cannabis or alcohol use;
* report co-occurring alcohol and cannabis use during the past three months (i.e., participants who report using both alcohol and cannabis during the three months prior to participation in the study, regardless of if the use was simultaneous)
* have a caregiver willing to participate and provide consent.

About the study

The study will test a computerized treatment with subjects ages 13-17 years who are seeking treatment for alcohol and/or cannabis use. Follow-up assessments will be conducted at one- and three-months following treatment.

What is being tested

• modified Approach-Avoidance Task (mAAT), which aims to modify automatic approach bias (behavioral)
• modified Approach-Avoidance Task (mAAT) that does not aim to modify automatic approach bias. (behavioral)

Sponsor: Medical University of South Carolina · Participants: 52 · Started: Jan 25, 2023

Contact the study team

• Austin M Hahn, Ph.D. · Phone: 854-444-9456

Official record on ClinicalTrials.gov — NCT05486234

Locations in the U.S.

Conditions

• Alcohol
• Drug Use and Addiction

From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.