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Opioid Partial Agonist

RBP-6000 - Light MW for Opioid Use Disorder

Phase 1
Waitlist Available
Research Sponsored by Indivior Inc.
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Be older than 18 years old
Timeline
Screening 3 weeks
Treatment Varies
Follow Up day 1 to day 57
Awards & highlights
Approved for 10 Other Conditions
All Individual Drugs Already Approved
No Placebo-Only Group

Summary

This is a single-center, randomized, open-label, single-dose, parallel-group study which will enroll and randomize approximately 48 subjects (to achieve 36 completers) with opioid use disorder (OUD) who are seeking treatment for OUD. The study includes both a Residential (Inpatient) and Non-Residential (Outpatient) Period.

Eligible Conditions
  • Opioid Use Disorder

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~day 1 to day 57
This trial's timeline: 3 weeks for screening, Varies for treatment, and day 1 to day 57 for reporting.

Treatment Details

Study Objectives

Study objectives can provide a clearer picture of what you can expect from a treatment.
Primary study objectives
Area Under the Concentration-Time Curve from Study Day 1 to Day 29 (AUC0-28days) of Buprenorphine
Maximum Observed Plasma Concentration (Cmax) of Buprenorphine

Awards & Highlights

Approved for 10 Other Conditions
This treatment demonstrated efficacy for 10 other conditions.
All Individual Drugs Already Approved
Therapies where all constituent drugs have already been approved are likely to have better-understood side effect profiles.
No Placebo-Only Group
All patients enrolled in this study will receive some form of active treatment.

Trial Design

3Treatment groups
Experimental Treatment
Active Control
Group I: RBP-6000 - Light MWExperimental Treatment2 Interventions
Single subcutaneous injection of RBP-6000 (buprenorphine) 300 mg, formulated with a light molecular weight (MW) polymer.
Group II: RBP-6000 - Heavy MWExperimental Treatment2 Interventions
Single subcutaneous injection of RBP-6000 (buprenorphine) 300 mg, formulated with a heavy molecular weight (MW) polymer.
Group III: RBP-6000 - Intermediate MWActive Control2 Interventions
Single subcutaneous injection of RBP-6000 (buprenorphine) 300 mg, formulated with an intermediate molecular weight (MW) polymer (reference).
Treatment
First Studied
Drug Approval Stage
How many patients have taken this drug
Buprenorphine
FDA approved
Naloxone
FDA approved

Find a Location

Who is running the clinical trial?

Indivior Inc.Lead Sponsor
55 Previous Clinical Trials
11,309 Total Patients Enrolled
~5 spots leftby Nov 2025
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