Clinical trials
THC clinical trials
Below are recruiting thc clinical trials, each written for real people, not researchers. We’re tracking 40 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07362407Enrolling by invitation
Cannabinoid treatment study for patients in Brazil
This study tracks how cannabis-based medicines work in real life. It looks at how people feel and function while using these treatments prescribed by their doctor.
Florianópolis, Santa CatarinaAges 18 years+ - 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+ - 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 - NCT07199218RecruitingPhase 2
Cannabis oil for autism in children aged 4 to 12
This trial tests a cannabis oil enriched with terpenes (natural compounds that may affect behavior) to see if it helps reduce severe symptoms in children with autism. It compares the oil to a placebo.
Jerusalem, N/A = Not ApplicableAges 4–13 - NCT02781519RecruitingPhase 1
Study how THC affects men and women who have used cannabis before
This Phase 1 study tests how delta-9 THC (the main active ingredient in cannabis) affects healthy adults, and whether the effects differ by gender. It may help researchers understand risks and responses to THC, which could guide safer use and future treatments.
West Haven, ConnecticutAges 18–55 - 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 - NCT06878417Recruiting
Cannabinoids for osteoarthritis knee or hip pain
This study tests if cannabinoid medications can reduce pain interference in daily life for people with hip or knee osteoarthritis. It may be a new option for moderate to severe pain.
Toronto, OntarioAges 40–80 - NCT06772753RecruitingPhase 1
Study of Psychedelic Effects in Healthy Adults
This study tests how certain psychoactive substances affect your mind and body. It is looking for healthy volunteers to take part in supervised sessions to explore the effects of these drugs.
Baltimore, MarylandAges 25–55 - NCT06544291RecruitingPhase 2
THC and CBD for pain and opioid use disorder
This study tests whether a combination of THC and CBD can help people who have both opioid use disorder and chronic low back pain. You would need to be on a stable dose of methadone and have used cannabis at least once in your life.
New Haven, ConnecticutAges 18–65 - NCT06017622Recruiting
THC Levels in Young People with Cannabis Overdose in the ER
This study looks at the amount of THC (the active ingredient in cannabis) in the blood of children and teens who come to the emergency room with severe drowsiness or confusion after using cannabis. It will help doctors better understand how cannabis affects young people.
Worcester, MassachusettsAges Any age - 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 - NCT05865470RecruitingPhase 1
How age affects smoked and oral THC effects
This early-stage study compares how people in different age groups respond to THC taken by smoking versus by mouth. It aims to understand age-related differences in effects and safety, which could help guide safer use in the future.
Los Angeles, CaliforniaAges 18–65 - 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 - NCT05052541RecruitingPhase 3
Oral cannabis for long-term spine pain
This trial studies whether taking cannabis by mouth can safely reduce chronic spine pain and improve daily comfort. You may be eligible if you have long-lasting spine pain and can follow study rules about stopping or limiting other cannabis and certain other treatments.
Aurora, ColoradoAges 21–84 - NCT04883255RecruitingEarly Phase 1
Study cannabis effects on brain function in adults with HIV
This early-phase study looks at how cannabis (and the body’s cannabinoid system) may affect thinking and brain-related measures in people with HIV. You may be asked to avoid cannabis and complete several brain and health assessments to see how these factors relate.
San Diego, CaliforniaAges 18–65 - NCT04704271RecruitingPhase 1
Study on THC effects in people with past cannabis use
This Phase 1 study looks at how THC (the main mind-altering ingredient in cannabis) affects healthy volunteers shortly after use. It focuses on differences between people and includes those who have used cannabis before.
West Haven, ConnecticutAges 18–55
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Common questions
- Are there clinical trials for thc?
- Yes. Clin2 currently lists 40 recruiting thc 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 thc 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 thc 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.