RecruitingNot Applicable

Using Novel Behavioral Economic Measures to Characterize Dual Marijuana and Tobacco Use in Young Adults

United States120 participantsStarted 2026-02-17

Plain-language summary

The multi session experimental study aims to determine dual use patterns of marijuana and tobacco by assessing the impact of price and availability of marijuana and tobacco using a cross price elasticity of demand task. The study will recruit 120 non-treatment seeking emerging young adults (18-25 years) who smoke marijuana and tobacco.

Who can participate

Age range18 Years – 25 Years

SexALL

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Inclusion criteria

✓. Males/females who are 18 to 25 years of age
✓. Young adults who currently smoke commercial tobacco cigarettes (≥1x weekly in the past 30 days and for the past six months)
✓. Young adults who currently smoke marijuana (≥4 times in past 30 days and at least weekly on average for the last six months)
✓. Participants must report purchasing their own tobacco and marijuana at least once in the past 6 months
✓. Participants must speak, comprehend, and read English.

Exclusion criteria

✕. Intention to quit marijuana or tobacco use in the next 30 days
✕. Self-reported illicit drug or heavy episodic alcohol use on \>20 days in the past month (excluding marijuana)
✕. Individuals who are pregnant or breastfeeding
✕. Positive saliva test for recent THC use
✕. Breath alcohol level above 0 at any session.
✕. Participants who exclusively roll their own tobacco cigarettes

What they're measuring

Change in self-reported cannabis craving

Timeframe: Up to 40 days post-baseline session

Change in self-reported tobacco craving

Timeframe: Up to 40 days post-baseline session

Trial details

NCT IDNCT07398443

SponsorBrown University

Sponsor typeOTHER

Study typeINTERVENTIONAL

Primary completion2028-11-30

Contact for this trial

Elizabeth Aston, PhD

401-863-6668 elizabeth_aston@brown.edu

View on ClinicalTrials.gov More Behavioral Economics trials