Clinical trials
CBD clinical trials
Below are recruiting cbd clinical trials, each written for real people, not researchers. We’re tracking 63 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- 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 - NCT07434895RecruitingEarly Phase 1
Can CBD Change How You Use Cannabis?
This study looks at how taking CBD (a cannabis compound that doesn't get you high) affects your cannabis use. It is for healthy adults who use cannabis for recreational reasons, not for medical treatment.
Lexington, KentuckyAges 18–55 - NCT07001930RecruitingPhase 1
Cannabidiol effects on stress and nicotine withdrawal
This trial tests whether a cannabis-derived compound called cannabidiol (CBD) can help people who smoke cigarettes cope with stress and withdrawal symptoms when they stop smoking. CBD is not the part of cannabis that makes you high.
Baltimore, MarylandAges 21–70 - NCT05484804Recruiting
Improving Black maternal care by undoing inequities
This study tests a care improvement plan in prenatal clinics to reduce inequities in how care is delivered to Black pregnant people. It may help clinics change practices and use tools that better spot problems early and improve support like doula care.
Chapel Hill, North CarolinaAges 12–99 - NCT07517627Recruiting
Best timing for gallbladder surgery after bile duct stone removal
This study compares when to schedule gallbladder removal surgery after a procedure to clear stones from your bile duct. The goal is to find the safest and most effective timing for your treatment.
Lahore, Punjab ProvinceAges 14–70 - NCT06589258Recruiting
How CBD passes into breastmilk
This study looks at how cannabidiol (CBD) gets into breastmilk while you are breastfeeding. It helps answer whether CBD passes to your baby through milk.
OrléansAges 18 years+ - NCT06994520Enrolling by invitationPhase 2
Topical cannabis extract for eczema itch
This study tests a cannabis-based cream on eczema-related itch over 4 weeks. It may help reduce itching if other treatments haven't worked, but requires pausing other skin products during the trial.
Khon Kaen, Changwat Khon KaenAges 25 years+ - 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+ - 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 - NCT04587791RecruitingEarly Phase 1
Cannabidiol (CBD) for opioid use disorder and chronic pain
This early study tests whether CBD can reduce symptoms of chronic pain in people receiving opioid maintenance treatment for opioid use disorder. It also looks at safety and whether CBD can be added without causing major problems.
West Haven, ConnecticutAges 18–70 - 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 - 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 - 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 - 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 - NCT05269459RecruitingPhase 2
CBD for PTSD symptoms in adults
This Phase 2 study tests whether cannabidiol (CBD) can safely reduce PTSD symptoms in adults. You may be eligible if you have a current PTSD diagnosis and can follow the study steps for the full time.
Omaha, NebraskaAges 21–65 - 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 - 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 - NCT05822362RecruitingPhase 2
CBD for People with Early Memory Trouble Risk
This Phase 2 study tests whether CBD (a cannabis-derived product) can improve thinking and memory in people who are at risk for Alzheimer’s disease. You would be followed for about 24 weeks with memory/thinking check-ins and require a study partner to help with certain assessments.
Aurora, ColoradoAges 55–85 - 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 - 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+ - 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 - NCT06213233RecruitingPhase 2
CBD oil for veterans with chronic pain
This study tests whether CBD oil can help veterans manage chronic pain. You would take a daily dose of CBD and report your symptoms using a smartphone app.
Ann Arbor, MichiganAges 18 years+
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Common questions
- Are there clinical trials for cbd?
- Yes. Clin2 currently lists 63 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.