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Clinical Trial of Rybelsus (Semaglutide) Among Adults With Alcohol Use Disorder (AUD)

NCT ID: NCT05892432

Last Updated: 2025-12-26

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

50 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-01-11

Study Completion Date

2025-11-15

Brief Summary

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This study is a randomized controlled trial of oral semaglutide among treatment-seeking individuals with AUD. The investigators will randomly assign 50 participants to receive semaglutide (titrated to 7 milligrams (mg) per day) or matched placebo for 8 weeks. The primary aims are to assess the safety and tolerability of semaglutide in this population and to evaluate its effects, relative to placebo, on alcohol cue-elicited craving and alcohol consumption.

Detailed Description

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A screening visit will be conducted at which written informed consent will be obtained and inclusion/exclusion criteria will be assessed. Subsequently, eligible participants will be randomly assigned to take oral semaglutide or matched placebo for 8 weeks, with the semaglutide dose titrated from 3 milligrams (mg)/day for the first 4 weeks to 7 milligrams (mg)/day for the second 4 weeks. Participants will complete 7 additional clinic visits (weekly during the first 4 weeks of the treatment period and biweekly during the second 4 weeks). At each visit, participants will also engage in a computerized behavioral intervention. At screening and again at the Week 6 visit, participants will complete an alcohol cue reactivity task. At the Week 1 visit, before ingesting the first dose of study medication, and again at the Week 8 visit, participants will complete a functional MRI session.

Conditions

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Alcohol Use Disorder

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

FACTORIAL

Double-blind placebo controlled clinical trial.
Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors
Participants will be blind to medication assignment, as will all care providers and investigators.

Study Groups

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Placebo

Participants in this Arm will take a medically inert placebo. To ensure pill equivalence between groups, tablets will be packaged in the same capsule; thus, each participant will take one capsule per day. Participants will be instructed to ingest the capsule orally each morning.

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

A medically inert placebo medication will be taken for 8 weeks.

Semaglutide 3 milligrams and 7 milligrams

Participants in this Arm will study medication for a total of 8 weeks - on semaglutide 3 milligrams per day for 4 weeks, then 7 milligrams per day for 4 weeks. To ensure pill equivalence between groups, tablets will be packaged in the same capsule; thus, each participant will take one capsule per day. Participants will be instructed to ingest the capsule orally each morning.

Group Type ACTIVE_COMPARATOR

Semaglutide 3 MG [Rybelsus]

Intervention Type DRUG

Semaglutide 3 mg will be taken for the first 4 weeks of the 8-week trial.

Semaglutide 7 MG [Rybelsus]

Intervention Type DRUG

Semaglutide 7 mg will be taken for the second 4 weeks of the 8-week trial.

Interventions

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Semaglutide 3 MG [Rybelsus]

Semaglutide 3 mg will be taken for the first 4 weeks of the 8-week trial.

Intervention Type DRUG

Semaglutide 7 MG [Rybelsus]

Semaglutide 7 mg will be taken for the second 4 weeks of the 8-week trial.

Intervention Type DRUG

Placebo

A medically inert placebo medication will be taken for 8 weeks.

Intervention Type DRUG

Other Intervention Names

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Rybelsus 3 mg Rybelsus 7 mg

Eligibility Criteria

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Inclusion Criteria

1. Age 21 or older.
2. Meets Diagnostic and Statistical Manual of Mental Disorders, 5th edition (DSM-5) criteria for current AUD of at least moderate severity, as assessed by the Mini International Neuropsychiatric Interview (MINI).
3. Seeking pharmacological treatment for AUD and wants to stop or cut down on drinking.
4. Has a body mass index (BMI) of at least 25 kg/m2.
5. Able to read and understand questionnaires and informed consent.
6. Lives within 50 miles of the study site.

Exclusion Criteria

1. Current DSM-5 diagnosis of any other substance use disorder of moderate or greater severity, except for Nicotine Use Disorder, as assessed by MINI.
2. Urine drug screen at screening positive for any substance except cannabis.
3. Current DSM-5 bipolar disorder, major depressive episode, or panic disorder, as assessed by MINI.
4. Current or lifetime eating disorder (anorexia, bulimia, or binge eating disorder) or psychotic disorder, as assessed by MINI.
5. Current suicidal ideation or homicidal ideation.
6. Current use of other psychotropic medications except antidepressants (for which dose must be stable for at least the past 2 months).
7. Current or past-month use of AUD pharmacotherapy, including (e.g., oral naltrexone, acamprosate, or disulfiram) or current or past 60-day use of injectable naltrexone.
8. Current psychotherapy in which the primary focus is AUD. Attendance at Alcoholics Anonymous (AA) meetings is not exclusionary.
9. Current or past-month use of weight control medications.
10. Current or past-month use of metformin for any indication.
11. Any prior use of semaglutide or other GLP-1 agonists.
12. History of severe alcohol withdrawal (e.g., seizure, delirium tremens), as evidenced by self- report and assessment with Clinical Institute Withdrawal Assessment for Alcohol-Revised (CIWA-Ar).
13. Current or lifetime Type 1 or Type 2 diabetes diagnosis, or HbA1c \>6.5%.
14. Current or lifetime kidney disease or creatinine clearance \<80 mL/min for participants \<=55 years of age (\<65 mL/min for those \>55).
15. Personal history of gastrointestinal disease (e.g., gastroparesis) or pancreatitis.
16. Personal or family history of medullary thyroid carcinoma and/or multiple endocrine neoplasia syndrome type 2
17. Current or past hepatocellular disease, as indicated by verbal report or elevations of serum amylase, alanine aminotransferase (ALT) or aspartate aminotransferase (AST) greater than 3 times the upper limit of the normal range at screening.
18. Uncontrolled hypertension (systolic BP \>160 mmHg or diastolic \>100 mmHg).
19. Biological females of childbearing potential who are pregnant (by plasma HCG), nursing, or who are not using a reliable form of contraception.
20. Lack of a stable living situation.
21. (If participating in MRI sessions) Contraindications to MRI scanning, ferrous metal in the body including intracranial, intraorbital, or intraspinal metal, pacemakers, cochlear implants, other non-MRI-compatible devices, or other devices that could compromise the quality of the MRI images such as a permanent top retainer or braces.
22. (If participating in MRI sessions) Severe claustrophobia or morbid obesity that preclude placement in the MRI scanner.
Minimum Eligible Age

21 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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National Institute on Alcohol Abuse and Alcoholism (NIAAA)

NIH

Sponsor Role collaborator

University of Colorado, Denver

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Joseph P Schacht, PhD

Role: PRINCIPAL_INVESTIGATOR

University of Colorado, Denver

Locations

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University of Colorado Anschutz Medical Campus

Aurora, Colorado, United States

Site Status

Countries

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United States

Other Identifiers

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R21AA031146

Identifier Type: NIH

Identifier Source: secondary_id

View Link

23-0261

Identifier Type: -

Identifier Source: org_study_id