Combination Therapy for Alcohol Use Disorder

Starting soon · Phase 2 · Has a placebo group

Conditions studied: Alcohol Use Disorder

In brief

This human laboratory study will collect preliminary safety and efficacy data from a sample of participants enrolled in a 4-week in-patient treatment program for alcohol use disorder.

Key facts

Study ID

NCT07249554

Run by

Johns Hopkins University

People needed

45

Starts

2026-09-01

Expected to finish

2028-09-01

Last updated by the study team

2026-07-13

Who can join

Age: 21 and older, up to 65. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Aged 21-65 years old
• Enrolled at Ashley Addiction Treatment center at least one week prior to beginning study participation.
• Meet the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, Text Revision (DSM-5-TR) criteria for Alcohol Use Disorder
• Willing to comply with the study protocol

You may not qualify if…

• Score 9 or greater on the Clinical Institute Withdrawal Assessment for Alcohol-Revised (CIWA-Ar) at randomization
• Currently pregnant, breastfeeding
• Unwilling to use contraceptives (e.g., condoms and/or hormonal birth control)
• Meet criteria for another substance use disorder other than AUD, Tobacco Use Disorder, or Caffeine use disorder
• History of pancreatitis
• History or current diagnosis of gallbladder disease, hepatic disease, renal disease, hyperparathyroidism, or any physical health condition that would be contraindicated with GLP-1 agonists or naltrexone.
• Unmanaged diabetes diagnosis or history or current diagnosis of diabetic retinopathy
• Levels of amylase, lipase, aspartate aminotransferase (AST), and/or alanine transferase (ALT) greater than 2x upper limit of normal
• Personal or family history of medullary thyroid carcinoma given FDA box warning for semaglutide
• Diagnosis of cancer within past 5 years
• History of multiple endocrine neoplasia syndrome type 2 (MEN2)
• Currently taking any medications contraindicated with GLP-1 agonists and/or naltrexone.
• BMI <18.5
• Current elevated suicide risk as assessed by clinic staff or the Columbia Suicide Severity Rating Scale (C-SSRS)
• Any other medical or psychological condition that is judged by the investigators to impede ability to safely complete study requirements.
• Legal problems or living situation judged by the investigators as a factor that could interfere with study completion (e.g., impending jail time).
• Allergies to semaglutide and/or naltrexone
• Use of opioids within the past 10 days as indicated by self-report or a positive urine drug screen
• Prescribed or taking the following medications in the past four weeks:
• The following medications will be prohibited during study participation due to interactions with semaglutide: other GLP-1 agonists (e.g. Exenatide, liraglutide, dulaglutide), insulin, insulin-secreting medications (e.g. sulfonylureas, meglitinides), tirzepetide, dipeptidyl peptidase-4 (DPP-4) inhibitors (e.g. sitagliptin, saxagliptin, linagliptin, alogliptin, evogliptin, and gemigliptin).
• The following medications will be prohibited during study participation due to interactions with naltrexone: bremelanotide, peripherally-acting mu-opioid receptor antagonists (e.g. methylnaltrexone, naldemedine), and opioid agonist medications.

Where it is running

• Ashley Addiction Treatment — Havre de Grace, Maryland, United States

Full record on ClinicalTrials.gov

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