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Young Adult Tobacco/Nicotine and Cannabis Co-use
The Impact of Cannabis and Tobacco/Nicotine Product Co-use in Young Adults: Prospective Cessation Evaluation and Substitution
Who can join
Ages 18 to 25 · All sexes · Healthy volunteers welcome
Full eligibility criteria
Inclusion Criteria: * Between the ages of 18 and 25 years old * Must use at least one nicotine or tobacco product (nicotine vaping and/or cigarettes) on at least 20 out of the past 30 days for at least the past 3 months * Must express interest in nicotine cessation (all products) * Must submit a positive instant-read, oral fluid cotinine sample prior to enrollment * Must report use of cannabis on at least 10 out of the past 30 days * Must submit a positive instant-read cannabinoid test prior to enrollment * Must be able to provide informed consent Exclusion Criteria: * Any significant or acutely unstable medical, psychiatric, or substance use problem that would contraindicate research, interfere with safety, compromise data integrity, or preclude consistent study participation * Pregnant (self-report) or trying to become pregnant * Self-reported use of medications with smoking cessation efficacy * Immediate interest in cannabis cessation or treatment
About the study
The goal of this project is to better understand the relationship between tobacco/nicotine and cannabis using behavioral economics during a tobacco/nicotine quit attempt. All participants will receive tobacco/nicotine cessation treatment (smoking and/or vaping treatment) for 12 weeks. To qualify, participants must be between the ages of 18-25 and use tobacco products (smoke cigarettes and/or vape nicotine) and use cannabis (in any form). Participants do not need to be interested in quitting cannabis/marijuana to qualify. This study is being conducted by the Medical University of South Carolina. All procedures are conducted remotely and there is no in-person visits are needed.
What is being tested
- Counseling (behavioral)
- Contingency management (behavioral)
- Text-based support (behavioral)
Sponsor: Medical University of South Carolina · Participants: 350 · Started: May 13, 2024
Contact the study team
- Elizabeth Chapman · Phone: 864.898.2992
Official record on ClinicalTrials.gov — NCT06239350
Locations in the U.S.
| South Carolina | Medical University of South Carolina - Charleston, Charleston |
Conditions
From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.