Clin2
NCT06609083Possibly a fitRecruiting

How cannabis affects cigarette smoking

Cannabis UseTobacco UseCigarette Smoking

Treatments studied

Part of Mental health clinical trials.

This study looks at how cannabis affects cigarette smoking habits. If you smoke every day and also use cannabis weekly, researchers want to see if cannabis changes how much you smoke.

Summary written for real people, not researchers, by Clin2.

Phase
Phase 1
Enrollment
100 people
Ages
21 years and older
Study type
Interventional

Who can take part

  • You are 21 or older
  • You smoke cigarettes every day
  • You use cannabis (marijuana) at least once a week, and you usually inhale it (smoke or vape)
  • You are not trying to quit or cut down on cigarettes or cannabis in the next month
  • If you are a woman who can get pregnant, or a man with a partner who can get pregnant, you agree to use birth control during the study

View the official record on ClinicalTrials.gov

Quick eligibility check

Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.

Similar studies

Other trials that look related to this one.

NCT06609109Recruiting· Phase 1
Testing how cannabis affects e-cigarette use

This study is for daily e-cigarette users who also use cannabis at least once a week. It tests how cannabis affects vaping behavior. Researchers want to see if using cannabis changes how much or how people vape.

Baltimore, Maryland
NCT05999383Recruiting· Phase 2
Marijuana and tobacco use study

This trial looks at how marijuana and tobacco work together in your body. If you regularly use both cannabis and tobacco, you may help researchers understand their combined effects.

San Francisco, California
NCT07694466Not yet recruiting· Early Phase 1
Lung health study on inhaled cannabis in users

This study looks at how cannabis affects your lungs when you inhale it. It is for people who currently use both cannabis and tobacco and want to help researchers understand how these substances impact breathing and overall lung health.

Lexington, Kentucky
NCT07296874Not yet recruiting· Phase 2
How cannabis affects thinking and mood

This study tests how inhaling cannabis changes your thinking and mood. It may help you understand how cannabis affects your brain.

Pullman, Washington
NCT06883162Recruiting· Phase 3
A study to help people stop smoking tobacco and reduce cannabis use

This study tests whether a medication called varenicline (or a placebo) can help people who use both tobacco and cannabis to quit or cut back. It takes place in South Carolina and lasts 12 weeks.

Charleston, South Carolina
NCT07142668Recruiting
How cigarette cost and availability affect tobacco buying

This study looks at how changing cigarette prices and availability affects what and how much tobacco people buy. It may help inform future policies that aim to reduce smoking.

Buffalo, New York

Hear when a new Cannabis Use trial opens

We’ll email you when one opens — at most once a week, no account needed, unsubscribe anytime.