CBD tablets tested for knee pain relief in new study
NCT ID NCT05020028
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study is testing whether cannabidiol (CBD) tablets can reduce pain and improve daily function in people with knee osteoarthritis. Researchers will compare pain levels between those taking CBD and those not taking it, alongside standard physical therapy. The study aims to enroll 100 adults aged 40 to 75 with moderate to severe knee pain.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2/3
Runs two stages together: whether the treatment works, then large-scale confirmation.
- Participants
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About 100 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jun 2022
- Expected to finish
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Sep 2027
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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40 to 75 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Patients presenting with knee osteoarthritis (KL Grade II-III) * Knee pain for at least three months, occurring in at least half of the days in that period * VAS ≥ 4 * Patients ages 40-75, inclusive * If female patients are pre-menopausal they must be currently practicing effective forms of two types of birth control, which are defined as those, alone or in combination, that result in a low failure rate (less than 1% per year) when used consistently and correctly * Male patients must be using an effective form of contraception Exclusion Criteria: * Knee Injections within the last 3 months (cortisone, PRP, hyaluronic acid) * Legally incompetent or mentally impaired (e.g., minors, Alzheimer's subjects, dementia, etc.) * Younger than 40 years of age * Older than 75 years of age * Any patient considered a vulnerable subject: pregnant women or fetuses, children, cognitively impaired adults, prisoners * History of cannabis abuse or dependence * History of coagulation abnormalities and thromboembolic disease or current abnormal coagulation test values * History of stroke or acute coronary syndromes within 3 months * Abnormal coagulation profile * Renal failure (serum creatinine \> 250 μmol/L \[2.83 mg/dL\]) or liver cirrhosis * Patients that have been on opioid management for any reason just prior to the study * Patients with known inflammatory arthritis (such as rheumatoid arthritis, gout, pseudogout etc) * Patients with a large effusion * Patients with a BMI \> 35 * Patients meeting the DSM-V for major psychiatric illness, such as bipolar disorder * Patients diagnosed with major depression, psychosis, or substance abuse disorder * Patients with current or a history of suicidal ideation * Breastfeeding females * Abnormal LFTs * Patients with major neurological disorders, such as dementia, Parkinson's disease, cognitive impairment, epilepsy, history of traumatic brain/head injury, or seizures * Patients with moderate (Child-Pugh B) and severe hepatic impairment (Child-Pugh C). * Patients taking moderate or strong inhibitors of CYP3A4 and CYP2C19 (listed below) concomitantly will be considered for exclusion if determined to be clinically significant by the treating physicians * Patients taking strong CYP3A4 and CYP2C19 inducers (listed below) concomitantly will be considered for exclusion if determined to be clinically significant by the treating physicians * Patients taking substrates of UTG1A9, UTGB17, CYP2A1, CYP2B6, CYP2C8, CYP2C9 and CYP2C19 (listed below) concomitantly will be considered for exclusion if determined to be clinically significant by the treating physicians
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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NYU Langone Health
RECRUITINGNew York, New York, 10016, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- One shot to the knee: gene therapy tested against arthritis pain
- Custom knee guides put to the test in obese patients
- Can a shot of your own blood ease arthritic knees?
- 5,000 knee arthritis patients tracked to crack the treatment code
- Can a hydrogel injection ease knee arthritis pain?