About this trial
The purpose of this study is to see if brenipatide, when compared to placebo, is safe and effective for participants with opioid use disorder, when used with buprenorphine with or without naloxone.
The maximum potential duration of study participation for a participant in Part A is approximately 144 weeks, maximum potential duration of study participation for a participant in Part B is approximately 116 weeks. The actual duration will vary for each participant depending on the time of enrollment and the overall rate of study enrollment.
Eligibility criteria
Qualifiers
Have a current mild, moderate or severe opioid use disorder (OUD)
Are reliable and willing to make themselves available for the duration of the study (for example, are not incarcerated, not homeless) and attend required study visits, and are willing and able to follow study procedures as required, such as
self-inject study intervention Note: Participants who are not able to perform the injections must have the assistance of a support person trained to administer the study intervention
store and use the provided study intervention as directed
Disqualifiers
Evidence of other substance use disorder(s) within 180 days of screening, except the following are permitted: any level tobacco use disorder, mild-to-moderate alcohol or mild-to-moderate cannabis use disorder
Are actively suicidal or deemed a significant risk for suicide
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 received active treatment, or unknown if they received active treatment, within 90 days or 5 half-lives (whichever is longer) before screening
Trial design
Treatments tested in this trial
- Brenipatide
- Placebo
- Buprenorphine