Treatment
Cannabis clinical trials
We’re tracking 161 recruiting studies that include Cannabis, each written for real people, not researchers, below.
Recruiting studies
- 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 - NCT05119244Recruiting
Study of environment factors in lung cancer
This study looks at how environmental factors may relate to lung cancer in adults. If you are between 18 and 59 and were treated for primary lung cancer at a participating hospital, you may be able to join.
Le Plessis-RobinsonAges 18–59 - NCT05337033RecruitingPhase 2
Testing cannabis for chronic headaches in teens
This trial studies whether cannabis can reduce chronic migraine headaches in adolescents who have not improved with other treatments. It also asks participants to work with psychology and physiotherapy during the study.
Vancouver, British ColumbiaAges 14–17 - NCT05351801RecruitingPhase 2
Test cannabis-based treatment for nerve pain
This Phase 2 study tests cannabis-derived products to see if they reduce neuropathic (nerve-related) pain in veterans. It may help people whose pain is persistent and causes significant daily impact, especially if certain exam tests show allodynia (pain from normally non-painful touch).
San Diego, CaliforniaAges 21 years+ - NCT05514899RecruitingPhase 2
Cannabidiol and THC study for gut health and brain inflammation in HIV
This Phase 2 study tests whether cannabidiol (CBD) and tetrahydrocannabinol (THC) change the gut microbiome and brain-related inflammation in people with HIV. It may help researchers understand new ways to reduce inflammation, but you would need strict cannabis and CBD/THC avoidance during the study.
San Diego, CaliforniaAges 21–70 - NCT05629702RecruitingPhase 2
Temozolomide with or without cannabinoids for recurrent brain tumor
This trial tests whether adding cannabinoid medicine to temozolomide helps people whose glioblastoma (GBM) has returned. It compares temozolomide plus cannabinoids versus temozolomide alone, using blinded treatment so neither you nor the team knows which option you get.
Bodelwyddan, DenbighshireAges 16 years+ - NCT05814822Recruiting
CBT for sleep problems in adults using cannabis
This study looks at a sleep-focused treatment to help adults who have ongoing insomnia and also use cannabis regularly. If sleep improves, the trial hopes it may also improve overall outcomes for cannabis use.
Ann Arbor, MichiganAges 21 years+ - 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 - 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+ - NCT05989841RecruitingPhase 1/Phase 2
Helping women after sexual assault who use cannabis
This study tests a new approach to help women who have recently experienced a sexual assault and use cannabis. It explores whether reducing anxiety about physical symptoms can help prevent long-term PTSD and cannabis problems.
Minneapolis, MinnesotaAges 18 years+ - NCT06036316Recruiting
Language and memory study for people with psychosis
This study looks at how language and memory interact in people with psychosis, including those at risk, early psychosis, or schizophrenia, as well as healthy volunteers. It aims to understand these connections better, which may help improve care.
Laxou, FranceAges 16–55 - NCT06037681Recruiting
Study on cannabis use and pain outcomes in Black and white patients with cancer
This study looks at how cannabis affects pain and daily life in Black and white patients with solid tumors. It compares people who use cannabis at least once a week to those who don't use it at all.
Buffalo, New YorkAges 21–99 - NCT06084520Recruiting
Pain questionnaire study for opioid and non-opioid patients
This study tests two questionnaires for people with long-term pain. Researchers want to see if the tools work well for both those taking opioids and those who are not. Your answers can help improve pain care.
Uppsala, UpplandAges 18–75 - NCT06099379RecruitingPhase 1/Phase 2
How CBD changes THC's effects: a dose study
This study tests different ratios of CBD to THC to see how CBD can change the effects of THC. It may help people who use cannabis occasionally understand how CBD can reduce unwanted side effects.
Montreal, QuebecAges 21–49 - NCT06206941Recruiting
Medical cannabis during immunotherapy for pain relief
This study looks at whether medical cannabis can help manage pain in cancer patients who are receiving immunotherapy treatment. It aims to understand how cannabis affects symptoms and quality of life during cancer care.
Portland, OregonAges 21 years+ - 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 - NCT06266611RecruitingPhase 2
Cannabis for cancer symptom relief
This trial tests whether cannabis can help cancer patients manage symptoms like sleep trouble, pain, and mood changes. It's for people who are new to using cannabis for these issues.
Aurora, ColoradoAges 25 years+ - NCT06290063RecruitingPhase 2
CBD for older adults who use cannabis
This study tests whether a pure CBD product (Epidiolex) can help older adults who use cannabis occasionally. It looks at how CBD affects people who already take medications for pain, sleep, or mood issues.
Boulder, ColoradoAges 60 years+ - NCT06393101RecruitingPhase 1
High-CBD cannabis extract for complex regional pain syndrome treatment
This study tests a high-CBD cannabis extract (BRC-002) to see if it can help reduce pain and improve health in people with Complex Regional Pain Syndrome (CRPS). Participants will not use opioids or other cannabis during the study.
La Jolla, CaliforniaAges 21–75 - 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 - NCT06473701RecruitingPhase 3
Dronabinol for COPD-related breathlessness
This trial tests whether a drug called dronabinol (a synthetic form of THC) can help reduce severe shortness of breath in people with advanced COPD who are already receiving the best available treatment. If you have severe COPD and still feel very breathless, this study may offer a new option to improve your breathing.
Vejle, Region SyddanmarkAges 18 years+ - NCT06513819RecruitingPhase 1
HIV and Alcohol Study for People on Multiple Medications
This study looks at how alcohol use affects people with HIV who take multiple medications, including certain brain or nerve drugs. It aims to find safer ways to manage their health.
West Haven, ConnecticutAges 50 years+ - 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 - 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
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.