CBD may help young adults quit cannabis by easing stress and withdrawal
NCT ID NCT05885542
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looks at how cannabis use and stress affect each other in young adults aged 18-25 with cannabis use disorder. Researchers will test whether a single dose of cannabidiol (CBD) can reduce withdrawal symptoms and stress, and delay the urge to use cannabis again. The goal is to understand sex differences and guide future treatments.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Cannabidiol (CBD) oral solution
- What this could lead to
- If successful, this could point toward a tailored treatment for cannabis use disorder that helps young adults manage stress and reduce withdrawal symptoms.
- What could go wrong
- This is an early-phase study with a small sample, so results may not apply broadly. CBD may not significantly reduce stress or withdrawal, and participants can resume cannabis use during the trial.
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 1/2
Runs two stages together: safety and dose first, then whether the treatment works.
- Participants
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About 148 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Nov 2023
- Expected to finish
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Jul 2028
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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18 to 25 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.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Able to provide informed consent and function at an intellectual level sufficient to allow accurate completion of all assessment instruments * Meet DSM-5 criteria for CUD and report using cannabis at least five times weekly over the past month. While individuals may also meet criteria for other mild substance use disorders, they must identify cannabis as their primary substance * Age 18-25 * BMI between 18-30 (to decrease variability in CBD response and in endocannabinoid system measures) * AST, ALT, and total bilirubin within the laboratory reference range of normal * Consent to alcohol abstinence for 12 hours prior to study visits, three days of cannabis abstinence as part of study procedures, and abstinence from all substances aside from cannabis, alcohol, and nicotine for the duration of the study * Sexually active females of childbearing potential must agree to utilize an effective means of birth control. * Consent to random assignment to CBD versus placebo Exclusion Criteria: * Females who are pregnant, nursing, or planning to become pregnant during the study. * Current severe substance use disorder other than cannabis * Current medications or supplements with clinically significant interactions with cannabidiol (per Lexicomp, this list includes Blasting, Doxorubicin, Mavacamten, Pazopanib, Sirolimus, Topotecan, Vincristine, Afatinib, Berotraslstat, Cilostazol, Citalopram, Colchicine, Digoxin, Lefamulin, Relugolix, Relugolix+Estradiol+Norethindrone, Rimegepant, Tizanidine, Ubrogepant, and Venetoclax in the categories of "avoid combination" or "consider therapy modification") * Current unstable psychiatric or medical disorder that would interfere with safety, compromise data integrity, or preclude reliable participation * History of hypersensitivity to CBD, sesame, or sesame products * Inability to comply with study procedures
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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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Medical University of South Carolina
RECRUITINGCharleston, South Carolina, 29425, United States
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Other studies related to the condition(s) this trial covers.
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- Pharmacies vs. street: does regulated cannabis improve health?