A Study of Brenipatide in Participants With Moderate-to-Severe Alcohol Use Disorder

The purpose of this study is to see if brenipatide when compared to a placebo works and is safe for participants with moderate-to-severe Alcohol Use Disorder (AUD). Participation in this study will last approximately 56 weeks.

Inclusion Criteria: * Participant must be a minimum of 20 years of age for the investigative sites in Japan. * Are seeking treatment and are motivated to stop or cut down on drinking. * Are reliable and willing to make themselves available for the duration of the study and attend required study visits, and are willing and able to follow study procedures as required, such as * self-inject study intervention * store and use the provided blinded study intervention, as directed * maintain electronic and paper study diaries, as applicable, and * complete the required questionnaires. Exclusion Criteria: * Have evidence of current or within the past 180 days prior to screening (V1), history of any substance use disorder(s) of any severity with a pattern of persistent illicit or nonprescribed substance use as indicated by clinical interview, except alcohol, nicotine, or caffeine. * Have answered "yes" to either Question 4 or Question 5 on the "Suicidal Ideation" portion of the Columbia-Suicide Severity Rating Scale (C-SSRS) and the ideation occurred within the past 6 months, or have answered "yes" to any of the suicide-related behaviors on the "Suicidal Behavior" portion of the C-SSRS and the behavior occurred within the past 6 months * Have a history of advanced liver disease (including advanced liver fibrosis or cirrhosis), or alcohol-associated hepatitis based on either prior liver histology or imaging studies, such as transient elastography, ultrasound, computed tomography (CT) and magnetic resonance imaging (MRI), or Enhanced Liver Fibrosis score. * Have participated in a clinical study and have received active treatment, or unknown if they received active treatment, within 90 days or 5 half-lives (whichever is longer) before screening (V1).