Clinical trials
Cannabis Use clinical trials
Below are recruiting cannabis use clinical trials, each written for real people, not researchers. We’re tracking 96 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07056894Recruiting
Cognitive training for substance use in early psychosis
This study tests a computer-based cognitive training program to help people with early psychosis reduce their alcohol and cannabis use. The program is designed to improve thinking skills and may make it easier to cut back on substance use.
St. John's, Newfoundland and LabradorAges 16–30 - NCT06395467Recruiting
Integrated treatment for teens with substance use disorder
This trial tests a treatment program for teens and young adults with substance use disorders. It includes family members and is designed to support recovery and personal growth.
Farmington, ConnecticutAges 14–21 - 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 - NCT06569394RecruitingPhase 2
Testing CBD in young adults who use cannabis heavily
This study tests whether cannabidiol (CBD) can help young adults who use cannabis heavily but aren't looking to quit. You'll take a CBD pill and see if it changes your cannabis use or related symptoms.
Aurora, ColoradoAges 18–25 - 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 - NCT06688539RecruitingPhase 4
Quitting e-cigarettes in adults who also use cannabis
This trial tests if varenicline, a stop-smoking medication, can help people ages 18 to 40 quit e-cigarettes while also using cannabis. It's designed for regular e-cigarette users who want to quit and who use cannabis at least 10 days per month.
Charleston, South CarolinaAges 18–40 - 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 - NCT07196462Recruiting
Brain stimulation to reduce cannabis craving in schizophrenia
This study tests if a non-invasive brain stimulation technique can help reduce cravings for cannabis in people with schizophrenia. It aims to see if this approach can improve outcomes for those who use cannabis and have a psychotic disorder.
Nashville, TennesseeAges 18–65 - 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 - NCT05836207Recruiting
Rewards for quitting cannabis in young adults
This study tests whether offering rewards can help young adults stop using cannabis. You would attend a treatment clinic and provide supervised urine tests twice each week while aiming to quit.
AmsterdamAges 16–22 - NCT07296874RecruitingPhase 2
Cannabis and thinking: a study of mood and memory
This study looks at how cannabis affects thinking and mood. If you join, you'll have a session where you use cannabis and then do some thinking and mood tasks, to see how it affects you.
Pullman, WashingtonAges 21 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+ - NCT06907979Recruiting
Cannabis use and emotion processing study
This study looks at how heavy cannabis use affects the way you process emotions. You may be able to join if you use cannabis most days, meet criteria for cannabis use disorder, and are not currently in treatment for it. Participants will have brain scans and mild brain stimulation.
Auburn, AlabamaAges 18–50 - 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 - NCT06576076Recruiting
Cannabis, emotions, and risk study for teens
This study explores how daily cannabis use affects emotions and risk behaviors in teenagers. You'll answer quick surveys on your phone and wear a Fitbit for up to 3 months.
Boston, MassachusettsAges 12–18 - NCT06239350Recruiting
Young adult tobacco and cannabis co-use study
This study tests a program to help young adults who use both nicotine and cannabis products reduce or quit nicotine use. If you are between 18 and 25, use nicotine products at least 20 days a month and cannabis at least 10 days a month, and want to quit nicotine, you may be eligible.
Charleston, South CarolinaAges 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 - 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 - 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 - 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+ - 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 - NCT07001878RecruitingPhase 4
Cannabis Strength and Brain Health in Early Psychosis
This trial studies how different strengths of cannabis affect the brain's white matter in people with early psychosis. It may help doctors understand which cannabis potencies are less harmful for young adults with psychosis.
St. John's, Newfoundland and LabradorAges 18–25 - NCT07834606Recruiting
Virtual reality tool for teens with alcohol or cannabis use
This trial tests if a virtual reality program, alongside usual care, helps young people in residential treatment reduce alcohol and cannabis use. It's designed for teens and young adults aged 13-21 who are staying in a residential program for at least six months.
Pozuelo de Alarcón, MadridAges 13–21 - NCT07815691RecruitingPhase 2
Cannabis and the brain reward system study
This study looks at how cannabis affects your brain's reward system using MRI scans. It aims to understand why some people develop cannabis use disorder, which may lead to better treatments.
Charleston, South CarolinaAges 21–45
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.
Common questions
- Are there clinical trials for cannabis use?
- Yes. Clin2 currently lists 96 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.