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CBD may help young adults quit cannabis by easing stress and withdrawal

NCT ID NCT05885542

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

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

Phase 1/2

Runs two stages together: safety and dose first, then whether the treatment works.

Participants

About 148 people

The number the study aims to enrol. It can still change while the study runs.

Started

Nov 2023

Expected to finish

Jul 2028

An estimate. End dates often move.

Lead sponsor

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

18 to 25 years

Sex

Anyone

Healthy volunteers

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

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.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. 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

  • Medical University of South Carolina

    RECRUITING

    Charleston, South Carolina, 29425, United States

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