Clinical trials
Cannabis Use clinical trials
Below are recruiting cannabis use clinical trials, each written for real people, not researchers. We’re tracking 104 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06941298Recruiting
Cannabis and depression study for teens and young adults
This study looks at how cannabis affects the brain and mood in teens and young adults. It compares people who use cannabis, people with depression who don't use cannabis, and healthy volunteers to understand links between cannabis use and mental health.
Miami, FloridaAges 14–20 - NCT05486234Recruiting
Study to reduce cannabis and alcohol use with teen and caregiver
This study looks at ways to help teens cut down on cannabis and alcohol use. You may qualify if you’ve been using both in the last three months and your caregiver is able to join and consent.
Charleston, South CarolinaAges 13–17 - NCT06661031Enrolling by invitation
Cannabis use help for young adults via phone app
This study tests a new program that combines telehealth coaching and a smartphone app to help young adults who use cannabis a lot to cut back or quit. If you are a patient at certain Boston clinics and use cannabis on most days, this study might be a good fit for you.
Boston, MassachusettsAges 18–26 - NCT07184983Recruiting
Brain stimulation for cannabis use disorder
This study tests whether a gentle brain stimulation technique (called tDCS) can help people who want to cut down or stop using cannabis. You'll wear a headband-like device during sessions at NYU, and the study team will check in with you over time.
New York, New YorkAges 22–65 - 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 - NCT05602649RecruitingPhase 1
How cannabis edible type changes drug levels in your body
This Phase 1 study tests how different cannabis edible formulations affect how THC shows up in your blood and how your body responds. It may help researchers choose safer, more predictable edible products based on how people absorb and react to them.
Baltimore, MarylandAges 21–55 - NCT04812613Enrolling by invitation
Study of cannabis use and mental health support for Ottawa youth
This study looks at tobacco use alongside other addictions in young people in Ottawa who have unstable housing and mental health concerns, and who use cannabis or have used it before. It may offer support or new approaches aimed at reducing health risks related to tobacco and substance use.
Ottawa, OntarioAges 16 years+ - NCT06701487Recruiting
Brain learning mechanisms and substance use control
This study looks at how certain learning mechanisms in the brain (called Pavlovian conditioning) influence your ability to control alcohol or drug use. It may help explain why some people have trouble stopping, and could lead to better treatments. You'll fill out questionnaires and likely have a brain scan (MRI).
DresdenAges 18–65 - NCT07701304Recruiting
Testing warning labels on cannabis products
This trial wants to see how different warning labels on cannabis products affect people's choices. You would look at product choices and answer questions. The goal is to find warning labels that help people make informed decisions.
Oklahoma City, OklahomaAges 21 years+ - NCT05453513Recruiting
Study how depression and cannabis affect the brain in young adults with HIV
This study looks at brain activity to understand how depression and cannabis use may be linked in young adults living with HIV. It mainly involves questionnaires, mental health screening, and brain scans, which may help researchers better understand risk factors and brain “underpinnings.”
Miami, FloridaAges 18–59 - NCT05704582Recruiting
Avatar vs supportive sessions to cut cannabis use
This study compares two types of talking/learning sessions—one using an “avatar” (computer-based character) and one using regular supportive sessions—to reduce cannabis use. It is meant for adults with psychotic disorders who also meet criteria for cannabis use disorder.
Montreal, QuebecAges 18 years+ - NCT05401929Recruiting
TMS to reduce cannabis use in heavy users
This study tests whether transcranial magnetic stimulation (TMS) can help heavy cannabis users cut down or stop. TMS uses a magnetic coil on the scalp to gently stimulate parts of the brain involved in cravings and habits.
Durham, North CarolinaAges 18–65 - NCT03601026Recruiting
Genetic counseling for youth using cannabis safely
This study offers genetic counseling to help reduce mental health problems that can happen for some young people who use cannabis. You join if you are already part of the FORBOW study and fit their age and mental-health criteria.
Halifax, Nova ScotiaAges 12–21 - NCT07227324Recruiting
Cannabis use registry for cancer patients
This study is a registry that collects information from people with cancer who use cannabis. It aims to better understand how cannabis affects cancer symptoms and improve care.
Saint Louis Park, MinnesotaAges 18 years+ - NCT07644052RecruitingPhase 3
A medication to ease cannabis withdrawal symptoms
This study tests whether a medication called PP-01 can help reduce cravings and uncomfortable symptoms when people stop using cannabis. If you're a heavy cannabis user who wants to quit and experiences withdrawal symptoms, this trial may help you manage the difficult transition.
Little Rock, ArkansasAges 18–55 - NCT06379971RecruitingPhase 1
Choline for cannabis use in pregnancy
This trial tests whether taking choline (a vitamin-like nutrient) during pregnancy can help protect the baby's brain development in women who use cannabis. It aims to understand if choline supplementation can reduce potential risks linked to cannabis use.
Aurora, ColoradoAges 18–45 - NCT07354412Enrolling by invitation
Can cannabis affect anesthesia and inflammation in spine surgery?
This study looks at how using cannabis before or during lumbar spine surgery might affect anesthesia and inflammation. It compares patients who have used cannabis to those who have not, to see if there are differences in pain, recovery, or side effects.
Columbia, MissouriAges 18 years+ - NCT05729932RecruitingPhase 1
Cannabis and opioid use disorder study
This Phase 1 trial studies cannabis in people with opioid use disorder. The goal is to better understand how it may affect opioid use disorder, while monitoring safety.
Lexington, KentuckyAges 18–55 - NCT07063589Recruiting
Cannabis use patterns in young adults
This study looks at how young adults (ages 18–24) use cannabis and how it relates to their health and social life. If you join, you'll answer questions through your mobile phone over time, which helps researchers understand patterns and effects.
Montreal, QuebecAges 18–24 - NCT07732062Recruiting
Emotion-focused therapy for chronic pain patients using medical cannabis
This study tests a new type of talking therapy (vEAET-H) to see if it helps people with chronic pain who are already using medical cannabis. The goal is to find out if adding this therapy can improve pain and well-being.
Tel AvivAges 18 years+ - NCT02246140Recruiting
Study of cannabis resin use in people with artery narrowing
This study looks at people who regularly use cannabis resin. The goal is to understand how cannabis resin relates to a specific blood-vessel problem inside the brain, and whether that relationship helps explain symptoms or risks.
StrasbourgAges 18–45 - NCT06457841Recruiting
Stress and Resilience in Afro-Descent Adults
This study looks at how stress and resilience affect people who use alcohol or cannabis to cope. It's for adults of Afro-descent who have used alcohol or cannabis at least a few times recently and are not in treatment for substance use.
Dallas, TexasAges 18–30 - NCT06733792Recruiting
Mobile app to reduce or quit cannabis use
This study tests a mobile app designed to help people reduce or quit cannabis use. If you are a young adult (18-30) and have used cannabis recently, this app may help you cut back or stop.
Oviedo, Principality of AsturiasAges 18–30
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Common questions
- Are there clinical trials for cannabis use?
- Yes. Clin2 currently lists 104 recruiting cannabis 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 cannabis 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 cannabis 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.