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A Clinical Trial Comparing Buprenorphine Formulations for High Potency Synthetic Opioid Use
Sponsor: Rachel R. Luba
Summary
The goal of this clinical trial is to compare buprenorphine formulations (sublingual buprenorphine versus long-acting injectable buprenorphine) for treating opioid use disorder among individuals who use fentanyl and/or other high potency synthetic opioids. Individuals aged 18-65 will be eligible for enrollment. The main questions it aims to answer are: Are there differences in frequency of drug use after individuals start treatment with sublingual buprenorphine compared to injectable buprenorphine? Are there differences in rates of sustained relapse after individuals start treatment with sublingual buprenorphine compared to injectable buprenorphine? Investigators also seek to understand and explore: How factors like body fat, body weight, and quantity of fentanyl use before treatment influence treatment outcomes. How blood levels of buprenorphine and its metabolite norbuprenorphine early on in treatment may influence treatment outcomes. How factors like craving and opioid withdrawal symptoms influence treatment outcomes. Participants will: Complete a brief overnight hospital stay in an inpatient research unit. This hospital stay will enable participants to start treatment with either sublingual buprenorphine or injectable buprenorphine. Provide blood and urine samples while on the inpatient unit and at follow up. Complete in-person follow up visits at 1-, 2-, 3- and 4-weeks after leaving the hospital to measure drug use, craving, withdrawal, quality of life, and physical health.
Official title: A Randomized Controlled Trial Examining Extended-Release Injectable Buprenorphine in Those Who Use High Potency Synthetic Opioids
Key Details
Gender
All
Age Range
18 Years - 65 Years
Study Type
INTERVENTIONAL
Enrollment
60
Start Date
2026-08
Completion Date
2029-01-15
Last Updated
2026-03-04
Healthy Volunteers
No
Conditions
Interventions
Buprenorphine + naloxone (Suboxone)
Participants randomized to sublingual buprenorphine naloxone will initiate treatment based on clinical guidelines/standard of care
Buprenorphine Injection
Participants randomized to injectable buprenorphine naloxone will receive a 300mg injection after receiving/tolerating a single 4/1 mg sublingual buprenorphine/naloxone dose
Locations (1)
Substance Treatment and Research Service
New York, New York, United States