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Jail study tests monthly shot to keep opioid treatment on track after release
NCT ID NCT06051890
First seen Jun 25, 2026 · Last updated Aug 07, 2026 · Updated 2 times
Summary
This study tests whether starting a monthly extended-release buprenorphine injection (Sublocade) in jail helps people with opioid use disorder stay on treatment after release. Two hundred men entering jail with a daily buprenorphine prescription will be randomly assigned to either switch to the monthly shot or stay on daily pills. Researchers will track how many leave jail with at least 7 days of buprenorphine in their system and how many continue treatment in the community.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Extended-release buprenorphine (Sublocade injection)
- What this could lead to
- If successful, this could show that starting a monthly buprenorphine shot in jail helps more people continue their opioid use disorder treatment after release, reducing relapse and overdose risk.
- What could go wrong
- This is a single-site study with 200 men, so results may not apply to all populations. The intervention requires starting in jail, which may not be feasible everywhere. Risks include injection site reactions and potential for diversion.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 4
Runs after approval, following long-term safety and how well the treatment works in everyday use.
- Participants
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About 50 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jun 2025
- Expected to finish
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Mar 2027
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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Children (under 18), adults (18 to 64) and older adults (65 and over)
- Sex
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Male participants only
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Incarcerated men able to provide written informed consent in English.\* * Unsentenced. * Entering the facility with a prescription for SLB and receiving SLB for at least the previous 3 days. * Minimum anticipated jail stay is 4 days. * Willing to accept being randomized to the experimental condition (i.e., transitioning to XRB while incarcerated). Exclusion Criteria: * Sentenced. * Allergy, hypersensitivity or medical contraindication to either medication. * Chronic pain requiring opioid pain management or other contraindicated medications.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
4 sites. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Baystate Health
RECRUITINGSpringfield, Massachusetts, 01199, United States
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Middlesex County House of Corrections
RECRUITINGNew Brunswick, New Jersey, 08902, United States
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NYU Langone Health - 180 Madison Ave
RECRUITINGNew York, New York, 10016, United States
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Tufts University Health Sciences
RECRUITINGBoston, Massachusetts, 02111, United States
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Other studies related to the condition(s) this trial covers.
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- Can a Phone-Based platform keep people in opioid treatment?
- A safety net after jail: can checkups keep opioid treatment on track?
- Can AI and peer support close the opioid treatment gap?