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Could CBD help curb alcohol cravings? new trial investigates

NCT ID NCT06845124

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This Phase 2 trial tests whether adding cannabidiol (CBD) to standard naltrexone treatment can reduce alcohol cravings in people with alcohol addiction. 150 participants will receive either a high or low dose of CBD plus naltrexone, or a placebo plus naltrexone, for 14 days. The study measures changes in craving scores and tracks outcomes for up to 6 months.

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) plus naltrexone
What this could lead to
If successful, this could lead to a new treatment option that reduces alcohol cravings and helps prevent relapse in people with alcohol addiction.
What could go wrong
This is an early Phase 2 trial with only 150 participants, so results may not apply to everyone. The treatment is short-term (14 days), and long-term effects or benefits are unknown.

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 2

Tests whether the treatment actually works, and watches for side effects, in a larger group.

Participants

About 150 people

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

Started

Jul 2025

Expected to finish

Sep 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 70 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: * Age between 18 and 70 years * Patients meeting the diagnosis of an alcohol dependence according to the ICD-10 * Patients reporting alcohol craving as symptom of AD according to the ICD10 symptom definition * Ability of subject to understand character and individual consequences of the clinical trial * Written informed consent (must be available before enrollment in the study) * Consent to random assignment * For women with childbearing potential (WOCBP) and males with partners with CBP, use of a highly effective birth control method until one month after last IMP administration (see Appendix 1) and negative pregnancy test Exclusion Criteria: * Current psychotic or bipolar disorder or current severe depressive episode with suicidal ideations * Current treatment with any of the following substances: Any investigational medicinal product, Opioid-containing Analgesics, Anti-obesity drugs, Anticonvulsants, Opioid-containing Antidiarrheal Agents, Antineoplastics, Antipsychotics (exception: episodic use of melperone, prothipendyl, pipamperone, promethazine and quetiapine are allowed), Antidepressants (exception: allowed, when being taken in stable dose for a minimum of 14 days prior to enrolment and/or doxepine in low doses \[max. 75mg daily\]), Opioid-containing Cough/cold agents, Systemical Steroids, Other anti-craving (e.g. Acamprosate) or aversive medication (e.g. disulfiram), THC- or CBD-containing medication, Antiretroviral medication (e.g., Efavirenz), Xanthines (e.g., Theophylline), General anesthetics (e.g., propofol), Hypericum perforatum, Antibiotics (e.g., Rifampin, Clarithromycin, Erythromycin) * Positive drug screening (amphetamines/ecstasy, opiates, cocaine, barbiturates) * Pregnancy, lactation or breastfeeding * Current severe somatic comorbidities: severe liver cirrhosis \[CHILD B or C\] or epilepsy determined by medical history * Patients with elevated transaminase levels (AST or ALT) above three times the upper limit normal (ULN) value with elevated bilirubin levels above twice the ULN value * History of hypersensitivity to the investigational medicinal product CBD and/or Naltrexone (trade names: Adepend, Naltrexon-Hcl neuraxpharm, Naltrexonhydrochlorid Accord) or to any drug with similar chemical structure or to any excipient present in the pharmaceutical form of the investigational medicinal product CBD and/or Naltrexone * Participation in other clinical trials or observation period of competing clinical trials, respectively. * Acute suicidal tendency or acute endangerment of self and others

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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

    2 sites. 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

  • Central Institute of Mental Health

    RECRUITING

    Mannheim, 68159, Germany

  • Psychiatric Centre North Baden (PZN)

    NOT_YET_RECRUITING

    Wiesloch, Baden-Wurttemberg, 69168, Germany

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