Treatment
Cannabis clinical trials
We’re tracking 161 recruiting studies that include Cannabis, each written for real people, not researchers, below.
Recruiting studies
- 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 - NCT06597097Enrolling by invitation
Study of healthcare team collaboration with medical cannabis
This study looks at how healthcare professionals work together – between primary care doctors, hospital doctors, and pharmacists – during France’s medical cannabis experiment. It aims to see if teamwork improves care.
BrestAges 18 years+ - NCT07218471Recruiting
Cannabis reduction study for heavy users
This study tests if helping people reduce heavy cannabis use improves daily life. It's for adults with cannabis use disorder who want to cut back.
Charleston, South CarolinaAges 18 years+ - NCT06575751RecruitingPhase 2
Study of cannabidiol and cannabis concentrate users
This study looks at how cannabidiol (a compound in cannabis) affects people who regularly use strong cannabis concentrates like wax, shatter, or oil. It may help understand if using CBD can change how cannabis affects the body or help with cannabis use disorder.
Aurora, ColoradoAges 25–60 - NCT06081218Recruiting
Exercise and brain function in cannabis users
This study looks at how a single session of exercise affects brain function and memory in regular cannabis users compared to non-users. You will exercise on a bike or watch a movie, and then do memory tests and a blood draw.
LilleAges 18–35 - NCT05957848RecruitingPhase 2
Guanfacine for teens with cannabis use problems
This Phase 2 study tests whether extended-release guanfacine can reduce cannabis use in adolescents and young adults. It may help by targeting brain pathways that can drive cravings or continued use.
Parkville, VictoriaAges 12–25 - NCT06605430RecruitingPhase 2
Medical cannabis for advanced pancreatic and colorectal cancer
This trial tests whether medical cannabis can help reduce nausea, vomiting, appetite loss, wasting, and pain in people with advanced pancreatic or colorectal cancer who are starting chemotherapy. It's for Minnesota residents only.
Saint Louis Park, MinnesotaAges 18 years+ - NCT06588582Recruiting
How cannabis influences perception and feelings
This study looks at how smoking cannabis affects your perception and emotions. It aims to understand why some people use cannabis to cope with stress or negative feelings.
Boulder, ColoradoAges 21–65 - NCT06395389Recruiting
A brief program to help young adults cut back on cannabis
This trial tests a short, one-time program designed to help people ages 18-25 who use cannabis frequently (at least 20 days per month) reduce their use. It may be a good fit if you're not already in treatment and are thinking about making a change.
Charleston, South CarolinaAges 18–25 - NCT05472818RecruitingEarly Phase 1
Imaging study for treating cannabis use disorder with a test dose
This early-phase study uses brain scans to study cannabis use disorder and looks at whether a treatment approach is suitable for people who use cannabis every day. It may help researchers understand brain changes related to quitting and recovery.
New Haven, ConnecticutAges 18–75 - 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+ - NCT07167225Recruiting
E-cigarette and cannabis co-use in young adults
This study looks at how using e-cigarettes and cannabis together affects exposure to harmful chemicals in young adults aged 18-25. It aims to understand the risks of co-use to help guide healthier choices.
Buffalo, New YorkAges 18–25 - 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+ - NCT04526093Recruiting
Study of medical cannabis using patient symptom reports
This study looks at how medical cannabis affects symptoms like pain, epilepsy, sleep, and anxiety or depression, based on what patients report over time. It may help researchers understand what works in real life when people use verified medical cannabis products.
Toronto, OntarioAges 19 years+ - NCT06058702RecruitingPhase 1
Genetics of cannabis use disorder and response
This study looks at how genes affect cannabis use disorder and how people respond to cannabis. It may help explain why some people develop problems with cannabis while others do not.
West Haven, ConnecticutAges 21–60 - 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 - NCT06808048Recruiting
Medical cannabis and behavior in chronic pain patients
This study looks at how medical cannabis affects thinking and behavior in people with chronic pain. It compares medical cannabis users to pain patients who don't use cannabis over a four-month period.
Minneapolis, MinnesotaAges 30–75 - NCT04871048Recruiting
tDCS training to reduce cannabis use in people with schizophrenia
This trial tests whether a non-painful brain stimulation method (tDCS) can help people with schizophrenia who also have moderate-to-severe cannabis use disorder reduce or quit cannabis. It also involves MRI scanning to help study brain changes.
BronAges 18–60 - NCT04935619Recruiting
Testing cannabis abstinence effects in depression symptoms
This study looks at how stopping cannabis for a period of time may affect depression symptoms and thinking/memory. You might benefit by getting close monitoring of mood and cognition while researchers compare changes during cannabis abstinence.
Toronto, OntarioAges 18–55 - NCT05092191RecruitingPhase 2
Cannabis pill study for MS-related muscle stiffness
This Phase 2 trial tests whether cannabis can reduce muscle stiffness (spasticity) in people with multiple sclerosis. You may be able to participate if your stiffness is not improving with your current treatments.
Montreal, QuebecAges 21 years+ - 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 - NCT05581368Recruiting
Study how cannabis affects blood vessels
This trial tests whether regular cannabis use changes how your blood vessels work, compared with people who do not use cannabis. It may help researchers understand potential effects on heart and circulation health.
London, OntarioAges 19–80 - NCT05615389RecruitingPhase 1/Phase 2
Medicinal cannabis pilot for children’s distress symptoms
This early-phase study tests medicinal cannabis to help improve symptoms like pain, muscle stiffness (dystonia), and gut problems in children who are receiving palliative care for non-cancer conditions. You may be asked to follow a medication schedule and not start or change other treatments right before joining.
Parkville, VictoriaAges 6 months–21 years - 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+
Common questions
- Are there clinical trials studying Cannabis?
- Yes. Clin2 currently lists 161 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.