Treatment
Cannabis clinical trials
We’re tracking 151 recruiting studies that include Cannabis, 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 - NCT07523633RecruitingPhase 2
Semaglutide to help reduce cannabis use disorder
This trial tests whether a medication called semaglutide (used for weight management) can help adults with cannabis use disorder cut down or stop using cannabis. Researchers want to see if it reduces cravings and use while also monitoring overall health.
FrederiksbergAges 18–70 - NCT07157540Enrolling by invitation
Testing Cann'App for cannabis harm reduction
This study is testing a smartphone app called Cann'App to help people who use cannabis reduce related harms. It's only for people who are already in a larger cannabis study in Lausanne, Switzerland.
Lausanne, Vaud CantonAges 18 years+ - NCT05389930RecruitingPhase 2
Study how cannabis affects alcohol drinking
This Phase 2 study looks at whether using cannabis changes how much alcohol you drink. You may be able to take part if you’ve been drinking heavily and using cannabis recently and can meet health and screening requirements.
Providence, Rhode IslandAges 21–50 - NCT07434895RecruitingEarly Phase 1
Can CBD Change How You Use Cannabis?
This study looks at how taking CBD (a cannabis compound that doesn't get you high) affects your cannabis use. It is for healthy adults who use cannabis for recreational reasons, not for medical treatment.
Lexington, KentuckyAges 18–55 - NCT07105449Recruiting
Testing high-potency cannabis concentrates in regular users
This study looks at how high-potency cannabis concentrates affect people who already use cannabis a few times a week. You will be asked to vape a concentrate and then have your reactions monitored.
Toronto, OntarioAges 19–55 - NCT07091292Recruiting
Exercise as a treatment for cannabis use
This study tests whether regular exercise can help young adults reduce or stop their cannabis use. It may be a good fit if you are 18-40, use cannabis as your main drug, and want to try an exercise-based approach.
Hong KongAges 18–40 - NCT06601218RecruitingPhase 1
Daily oral cannabis for cancer patients with solid tumors
This trial tests whether taking a daily oral cannabis (marijuana) dose is safe for people with advanced solid tumors (cancer that has spread). It's looking for people who are already on a stable cancer treatment and want to see if adding cannabis affects their symptoms or how they feel.
Lexington, KentuckyAges 18 years+ - NCT06293040RecruitingPhase 1
Cannabis and Alcohol Impairment Study
This study tests how vaporized cannabis and alcohol together affect your ability to drive or perform tasks. It is for healthy adults who have used both substances before.
Baltimore, MarylandAges 21 years+ - 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 - NCT05445180Recruiting
Brain scan study of thinking in cannabis users with psychosis
This study uses brain imaging to understand how thinking works in people who use cannabis, comparing those with psychosis to people without psychosis. It may help researchers learn what brain patterns relate to thinking difficulties and how cannabis use fits in.
Montreal, QuebecAges 16–80 - NCT06518434RecruitingPhase 2
Cannabis oil for advanced liver cancer study
This study tests if cannabis oil can help people with advanced liver cancer that cannot be treated with standard therapies. It is a small pilot study to see if the oil is safe and may improve symptoms or quality of life.
GroningenAges 18 years+ - NCT07679581Recruiting
Cannabis, brain waves, and attention study
This study looks at how cannabis use affects brain activity and attention. It compares heavy users and non-users to understand the effects on memory and focus.
Boulder, ColoradoAges 21–40 - NCT07644052RecruitingPhase 3
Study of a new medicine to ease cannabis withdrawal
This study tests a new medicine, PP-01, to help adults who use cannabis daily and want to quit. It aims to reduce withdrawal symptoms like anxiety, irritability, and sleep problems during the first week after stopping.
Little Rock, ArkansasAges 18–55 - NCT07417059Recruiting
How sex hormones affect cannabis response
This study looks at how natural hormones in women affect the way they respond to cannabis. It may help explain why some people feel stronger or different effects from cannabis.
MaastrichtAges 18–40 - NCT07214155RecruitingPhase 1
How different cannabis strains affect your experience
This study tests different strains of cannabis to see how they change your perception, feelings, and behavior. It may help you understand how cannabis affects you personally.
Baltimore, MarylandAges 21–55 - NCT07216690RecruitingPhase 2
Pregnenolone for cannabis intoxication
This study tests whether a natural hormone called pregnenolone can reduce the effects of cannabis intoxication. You'll receive either the study drug or a placebo, then eat a cannabis-containing brownie to see how your body reacts.
Baltimore, MarylandAges 18–65 - NCT06946940RecruitingPhase 2
Cannabis oil for fibromyalgia pain
This trial tests whether cannabis oil can help people with fibromyalgia who still have pain despite trying other treatments. Participants will receive cannabis oil, and researchers will look for biological markers that predict who responds best.
HaifaAges 30 years+ - NCT06975020Recruiting
Comparing biomarkers in regular cannabis users vs. non-users
This study compares biological markers between people who use cannabis regularly and those who do not, to understand how cannabis affects the body.
BaselAges 18–65 - NCT06891235Recruiting
Oral fluid testing for cannabis use in young adults
This study is testing a new way to check for recent cannabis use using a quick oral fluid (saliva) test, instead of a traditional urine test. You may be able to help if you're a young adult who uses cannabis regularly.
Boston, MassachusettsAges 18–30 - 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+ - NCT06878859Recruiting
Online program for depression and cannabis use
This study tests a digital (online) program designed to help people who struggle with both depression and cannabis use. If you're feeling down and also using cannabis more than you'd like, this program might help you manage both.
Boston, MassachusettsAges 18 years+ - NCT06863740Recruiting
Cannabis for Restless Legs Syndrome
This study tests whether cannabis can help people with Restless Legs Syndrome that has not improved with standard treatments. If you have RLS and other treatments haven't worked well, you may be able to join.
Toronto, OntarioAges 25 years+ - NCT06743373Recruiting
Cannabis and sleep in young adults
This study looks at how cannabis affects sleep, daily rhythms, and sensitivity to light in young adults. You would either stop using cannabis for 4 weeks (if you are a regular user) or serve as a non-user control, to compare sleep patterns.
Pittsburgh, PennsylvaniaAges 18–25
What Cannabis is being studied for
Conditions with recruiting Cannabis studies.
Common questions
- Are there clinical trials studying Cannabis?
- Yes. Clin2 currently lists 151 recruiting studies that include Cannabis, drawn from the U.S. registry and rewritten for real people so you can see what each is testing and who it's for.
- How do I know if I qualify for a Cannabis trial?
- Each study lists its own eligibility criteria — rules about condition, age, and prior treatments. On every Clin2 trial page we explain these in plain language and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Is Cannabis an approved treatment?
- A drug being studied in a trial may be investigational (still being tested) or already approved and being studied for a new use. Each study page explains what phase it's in. Clin2 does not provide medical advice — talk with your doctor about whether Cannabis or a specific trial is right for you.
Related treatments
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. A drug appearing here is being studied in a trial and may be investigational. Talk with your doctor about whether a specific treatment or trial is right for you.