Extended Release Naltrexone Versus Extended Release Buprenorphine With Individuals Leaving Jail
Public ClinicalTrials.gov record NCT04408313. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Comparative Effectiveness Trial of Extended Release Naltrexone Versus Extended Release Buprenorphine With Individuals Leaving Jail
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The proposed study is a Type 1 hybrid effectiveness-implementation trial. Individuals with opioid use disorder in county jails throughout the state of Maryland will be randomly assigned within gender within jail to one of two groups: Arm 1. XR-B (n=120). XR-B in jail followed by 6 monthly injections post-release at a community treatment program. Arm 2. XR-NTX (n=120). One injection of XR-NTX in jail, followed by 6 monthly injections post-release at a community treatment program.
Study identification
- NCT ID
- NCT04408313
- Recruitment status
- Active, not recruiting
- Study type
- Interventional
- Phase
- Phase 2, Phase 3
- Enrollment
- 240 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Oct 27, 2020
- Primary completion
- May 29, 2026
- Completion
- May 30, 2026
- Last update posted
- May 4, 2026
2020 – 2026
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Friends Research Institute | Baltimore | Maryland | 21201 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04408313, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted May 4, 2026 · Synced Sep 2, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04408313 live on ClinicalTrials.gov.