Clinical trials
CBD clinical trials
Below are recruiting cbd clinical trials, each written for real people, not researchers. We’re tracking 66 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06261502RecruitingPhase 2
CBD for Anxiety in Fragile X Syndrome
This trial tests if cannabidiol (CBD) can help with anxiety and improve brain function in people with Fragile X syndrome. Participants will receive CBD or a placebo, and may have brain scans (MRI) or magnetic stimulation (TMS) to see how it works.
Sherbrooke, QuebecAges 7–40 - 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 - NCT06014424RecruitingPhase 2
CBD medication study for agitation in Alzheimer's
This study tests if a CBD medication can help reduce agitation in people with Alzheimer's disease. It's for adults 55 and older who have significant agitation and mild to moderate dementia.
Calgary, AlbertaAges 55 years+ - NCT05867849RecruitingPhase 3
Cannabidiol treatment for bipolar depression symptoms
This trial tests whether cannabidiol (CBD) can reduce symptoms of bipolar depression. You may be eligible if you have bipolar I or II and a current depressive episode while staying on approved mood-stabilizing or antipsychotic medication.
Vancouver, British ColumbiaAges 19–70 - NCT07696871RecruitingPhase 1/Phase 2
Cannabidiol oil for treatment-resistant depression
This trial tests if cannabidiol (CBD) oil can help people with major depression that has not improved with standard antidepressants. You will take CBD oil or a placebo while continuing your current antidepressant treatment to see if it improves your symptoms.
Tubarão, Santa CatarinaAges 18–69 - 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 - NCT05269459RecruitingPhase 2
Cannabidiol (CBD) for PTSD symptoms in adults
This study tests whether CBD, a non-psychoactive compound from cannabis, can help reduce symptoms of post-traumatic stress disorder (PTSD) in adults. If you have PTSD and are interested in a non-traditional treatment option, this might be worth exploring.
Omaha, NebraskaAges 21–65 - NCT05182697Recruiting
Study of SCI-210 for autism-related behavior in kids
This trial tests SCI-210, a cannabis-based medicine, to see if it is safe and can improve challenging behaviors in children and young adults with autism. You may be asked to complete regular check-ins about behavior and development over the study.
BeershebaAges 5–18 - NCT05015439RecruitingPhase 1
CBD study for adults with autism and challenging symptoms
This Phase 1 study tests cannabidiol (CBD) in adults on the autism spectrum who also have mood, sleep, or behavior problems. The goal is to learn whether CBD can be given safely and may help symptoms that affect daily life.
Baltimore, MarylandAges 18 years+ - NCT05066308RecruitingPhase 2
Cannabidiol to reduce inflammation in chronic low back pain
This Phase 2 study tests cannabidiol (CBD) to calm inflammation in the brain that may be linked to chronic low back pain. If you qualify, you’ll take study CBD and undergo brain imaging to see whether inflammation changes.
Boston, MassachusettsAges 18–75 - NCT04992624RecruitingPhase 2
Cannabinoid treatment effects on knee pain and nerve signals
This Phase 2 study tests whether a cannabinoid-related treatment changes how pain works in people with knee osteoarthritis. It uses questionnaires, MRI, and gentle nerve testing to understand if treatment helps pain and pain-related signals.
Ann Arbor, MichiganAges 21–75 - NCT04680130Enrolling by invitation
Study of brain, genetics, and clinical symptoms in neurodegenerative illness
This study looks at how your symptoms, brain imaging (MRI), and genetic factors relate to neurodegenerative conditions. It may help researchers better understand what causes these illnesses and how to classify them.
Rochester, MinnesotaAges 21 years+ - NCT04411225RecruitingPhase 3
CBD may help early psychosis along with usual treatment
This Phase 3 trial tests whether taking cannabidiol (CBD) can reduce symptoms when added to standard care for early psychosis (like first-episode psychosis or attenuated psychosis). It may help some people have fewer troubling thoughts or perceptions over time.
La Jolla, CaliforniaAges 16–30 - NCT04363684Recruiting
Study of frontotemporal dementia and related syndromes over time
This study follows people with frontotemporal dementia (FTLD) and related conditions, and collects health and (for some people) body fluid information, to understand how these illnesses change over time. It may help researchers track disease signs and find better ways to measure progression.
Birmingham, AlabamaAges 18 years+ - NCT07728695RecruitingPhase 1/Phase 2
Cannabis product for gynecologic pain study
This trial tests a new cannabis-based product to see if it helps with gynecologic pain (like endometriosis). It looks at how the product works and whether it is safe and effective.
Belmont, MassachusettsAges 21 years+ - NCT07603518RecruitingPhase 1
How a Hemp Topical Product Works in Your Body
This Johns Hopkins study tests a hemp-based cream to understand how your body absorbs and processes it. You'll stay overnight in the clinic and let researchers measure the product's effects, which could help develop better cannabis-based treatments.
Baltimore, MarylandAges 18–55 - NCT07805967Recruiting
Study of rare parkinsonian conditions
This study follows people with certain rare brain conditions that affect movement and thinking, such as multiple system atrophy, dementia with Lewy bodies, progressive supranuclear palsy, and corticobasal degeneration. It aims to learn more about how these conditions progress over time, which may help improve future care.
Changshu, JiangsuAges 18 years+ - NCT07844655Recruiting
Wellness study for PSP and CBD
This study explores how wellness activities, like exercise, might help people with progressive supranuclear palsy (PSP) or corticobasal degeneration (CBD). Participation involves filling out electronic questionnaires and engaging in exercise, with the goal of improving quality of life.
Vancouver, British ColumbiaAges 19 years+
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Common questions
- Are there clinical trials for cbd?
- Yes. Clin2 currently lists 66 recruiting cbd 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 cbd 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 cbd 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.