Clinical trials
Cannabis Use Disorder clinical trials
Below are recruiting cannabis use disorder clinical trials, each written for real people, not researchers. We’re tracking 156 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05934305Recruiting
Help for shame and stigma in HIV and substance use
This study tests whether a program can reduce shame and stigma for people living with HIV who also have a substance use disorder. It may help you feel less judged and cope better, while supporting HIV care.
Miami, FloridaAges 18 years+ - NCT06160232RecruitingPhase 2
Psilocybin therapy for severe alcohol use disorder
This trial tests whether psilocybin, a psychedelic substance, combined with talk therapy can help people with severe alcohol use disorder stop or reduce drinking. Participants will first complete a 4-week inpatient detox program before receiving psilocybin in a supervised setting.
BrusselsAges 21–64 - NCT06648642Recruiting
MRI-guided brain stimulation for alcohol use disorder
This study tests whether a new type of brain stimulation, guided by MRI and a robot, can help reduce heavy drinking in people with alcohol use disorder. The treatment is non-invasive and aims to improve brain function related to cravings.
San Antonio, TexasAges 18–65 - NCT07684976Recruiting
Safety of a helmet device using ultrasound for substance use disorder
This study tests a special helmet that uses focused ultrasound to stimulate parts of the brain involved in addiction. It aims to see if the treatment is safe and works for people with moderate to severe substance use disorder who have not gotten enough help from standard medication treatments.
Toronto, OntarioAges 18–70 - NCT06796062RecruitingPhase 2
Psilocybin for opioid use disorder
This study tests whether psilocybin can help people who want to stop using opioids and are already in treatment. Eligible participants receive a single dose of psilocybin in a supervised setting and are followed to see if it reduces opioid use.
Albuquerque, New MexicoAges 18–65 - 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 - NCT07279558RecruitingPhase 2
CBD and Alcohol Use Study
This study tests whether cannabidiol (CBD), a compound from cannabis, can help people who drink alcohol regularly reduce their drinking or change their drinking patterns. You may be eligible if you're 21-65, have used CBD or cannabis before, drink alcohol regularly, and don't take certain medications that could interfere.
Aurora, ColoradoAges 21–65 - NCT05913752RecruitingPhase 1/Phase 2
Test drug CMND-100 in people with alcohol use disorder
This early study tests the safety and dosing of CMND-100 in first-time participants, including people with alcohol use disorder (AUD) and some healthy volunteers. It may help researchers understand whether the drug is safe, and how it might affect alcohol use in AUD.
New Haven, ConnecticutAges 18–60 - NCT05992272Recruiting
How cues affect drinking and smoking habits
This study looks at how certain cues (like seeing a drink or a cigarette) trigger cravings and behavior in people who drink alcohol or smoke. Understanding this may help improve addiction treatments.
BerlinAges 16–65 - NCT06446479RecruitingPhase 2
THC's effect on alcohol use and brain reward
This study tests whether THC (the active ingredient in cannabis) can change how much alcohol you drink and how your brain responds to rewards. You will have MRI scans and take THC or a placebo, then drink alcohol in a controlled setting.
Aurora, ColoradoAges 21–40 - NCT06430580RecruitingEarly Phase 1
Cannabinoids and stress response in heavy cannabis users
This early-phase study tests how cannabinoids affect your body's reaction to stress. If you use cannabis daily and have cannabis use disorder, you may be able to join to help researchers understand these effects better.
Tallahassee, FloridaAges 18–50 - NCT06784908Recruiting
Stress and pain study for people living with HIV
This study looks at how stress affects pain in people with HIV. It may help find better ways to manage pain in this group.
New Haven, ConnecticutAges 18–68 - NCT07225777RecruitingPhase 2
THC's effects on brain and behavior by sex
This study looks at how THC affects men and women differently, focusing on brain activity and behavior. It may help understand why some people react differently to cannabis.
Charleston, South CarolinaAges 21–45 - 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 - NCT05985850RecruitingPhase 2
Can cannabis help with opioid addiction treatment?
This trial tests if adding a specific cannabis product to standard methadone treatment helps people with opioid use disorder. It's for adults over 25 who recently started methadone and have used cannabis before.
Vancouver, British ColumbiaAges 25 years+ - NCT05160688Enrolling by invitation
Study of brain and mood changes when stopping cannabis
This study looks at how thinking (cognition) and psychiatric symptoms (mood/mental health symptoms) change during a period without cannabis. It uses special matched twin pairs to compare changes after stopping.
Aurora, ColoradoAges 31–47 - NCT04296604Recruiting
tDCS brain stimulation to improve thinking and mood
This study tests whether a non-surgical brain stimulation called tDCS can improve “executive function,” which means skills like planning, focus, and decision-making. It is designed for people with several mental health and substance-use conditions, and it may help you if those skills are affected by your diagnosis.
Boston, MassachusettsAges 18–65 - 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 - NCT06484075RecruitingPhase 1/Phase 2
Suvorexant for alcohol use disorder: brain effects
This study tests whether the sleep medication suvorexant can help people with alcohol use disorder by looking at its effects on brain activity. Participants will stay in the hospital for about a month, take suvorexant or a placebo, and have brain scans.
Bethesda, MarylandAges 18–75 - NCT06835907Recruiting
Baclofen for anxiety and alcohol use disorder
This trial tests if baclofen can help people with both anxiety and alcohol use disorder. It is an open-label study, meaning everyone knows they are taking the medication. Researchers want to see if it supports people in staying alcohol-free.
Jette, Brussels CapitalAges 18–65 - NCT07214207RecruitingPhase 2
Testing a sleep medicine for alcohol use disorder and stress-related drinking
This trial tests whether a medicine called suvorexant, which is used for sleep, can help people with alcohol use disorder drink less, especially when stressed. You would receive the medicine or a placebo, and researchers will track your drinking and stress levels over several weeks.
Columbus, OhioAges 18–65 - NCT06442423RecruitingPhase 1
Psilocybin study for people with psychiatric symptoms
This trial tests if psilocybin, a substance found in certain mushrooms, can help people with various mental health symptoms that affect daily life. You would take a single dose in a supervised setting and be monitored for changes in your mood and well-being.
New Haven, ConnecticutAges 18 years+ - NCT05863910Recruiting
Real-world study of medical cannabis use in children
This study looks at how medical cannabis is used for children and teens in everyday life, by collecting information through online questionnaires. It may help doctors and families better understand which uses are common and how people experience them.
Winnipeg, ManitobaAges 3–17 - NCT07223983RecruitingPhase 1
Semaglutide for alcohol use disorder after weight loss surgery
This trial tests if a once-weekly diabetes medication (semaglutide) can help people with alcohol use disorder who have had gastric bypass or sleeve gastrectomy in the past 7 years. It may reduce alcohol cravings or drinking.
New Haven, ConnecticutAges 18 years+
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Common questions
- Are there clinical trials for cannabis use disorder?
- Yes. Clin2 currently lists 156 recruiting cannabis use disorder 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 disorder 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 disorder 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.