Clinical trials
Marijuana Use clinical trials
Below are recruiting marijuana use clinical trials, each written for real people, not researchers. We’re tracking 11 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07340554Recruiting
Brain imaging study for teens who use cannabis
This study looks at the brains of teenagers who use cannabis using an MRI scanner. It aims to understand how cannabis affects the developing brain, which might help improve treatment options.
Indianapolis, IndianaAges 14–17 - NCT06883162RecruitingPhase 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 CarolinaAges 18 years+ - NCT06736444Recruiting
Sleep and Substance Use Help for Young Adults
This study tests a brief program to help young adults who struggle with sleep and also use alcohol or cannabis. The program teaches skills to improve sleep quality and reduce risky substance use.
Seattle, WashingtonAges 18–29 - NCT07423195Recruiting
Cannabis use during wisdom tooth removal study
This study looks at how cannabis use affects pain and recovery after wisdom tooth surgery. If you are 16 or older and need a lower wisdom tooth removed, you may be able to join.
Ann Arbor, MichiganAges 16–99 - NCT03909477Recruiting
Study of MRI brain scans in cannabis smokers over time
This study follows people who currently or used to smoke cannabis to see how cannabis use may change certain MRI scan signals in the brain over time. You may help researchers understand the effects of cannabis smoking and how brain imaging changes can be measured safely.
London, OntarioAges 18–85 - NCT05991882Recruiting
Mobile app study for young adults who use alcohol and marijuana
This trial tests a mobile app (phone-based) program for young adults who use both alcohol and marijuana. It aims to help you reduce risky use and improve your confidence in handling these substances.
Honolulu, HawaiiAges 18–30 - NCT07339150Recruiting
App to reduce alcohol and marijuana use in college students
This trial tests a mobile app designed to help college students reduce their drinking and marijuana use. If you're a student who has had alcohol in the last 90 days, this may be a way to get support.
Charlotte, North CarolinaAges 18–26 - NCT04810858Recruiting
Study how chronic marijuana affects brain inflammation in HIV
This study looks at whether ongoing marijuana use changes “brain inflammation” and brain cell injury in people living with HIV. It may help researchers understand potential risks or protective effects and how treatment and brain health interact.
Winston-Salem, North CarolinaAges 25–59 - NCT07398443Recruiting
Study of marijuana and tobacco use in young adults
This study looks at how young adults use both marijuana and tobacco, and aims to understand their behaviors. It involves tasks and questionnaires, and may help develop better support for people who use both substances.
Providence, Rhode IslandAges 18–25 - NCT06381180RecruitingPhase 1/Phase 2
Cannabis for Veterans with PTSD
This study is testing whether cannabis can help veterans with PTSD feel better. It is for veterans who have used cannabis before and currently have PTSD symptoms.
Detroit, MichiganAges 19–69 - NCT05999383RecruitingPhase 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, CaliforniaAges 21–65
Hear when a new Marijuana Use trial opens
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Common questions
- Are there clinical trials for marijuana use?
- Yes. Clin2 currently lists 11 recruiting marijuana use studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a marijuana use trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a marijuana use trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.