EMS-initiated buprenorphine for opioid use disorder
Official title: Emergency Medical Services (EMS)-Initiated Buprenorphine
Run by Yale University · NCT07475728 · Data updated 2026-11-12
This study tests whether starting buprenorphine in EMS encounters helps people stay in treatment or connect to ongoing care for opioid use disorder.
Quick facts
| Study type | Observational |
|---|---|
| Sex | All |
| Enrollment | 495 (estimated) |
| Sponsor | Yale University Academic / other |
| Locations | 3 sites (Oakland, California and 2 other locations) |
| Status | Recruiting |
| Started | May 21, 2026 |
| Main results expected | March 2029 |
| Study ends | May 2029 |
| Registry record updated | August 27, 2026 |
| Trial ID | NCT07475728 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Adults 18 years or older who are treated under the EMS-initiated buprenorphine protocol, including those who accept or decline the protocol and are willing to follow study procedures.
✕Probably not a fit
Individuals who do not wish to engage with follow-up procedures or those with factors making them ineligible for continued MOUD engagement may see no benefit.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This project uses multiple EMS sites to first run pragmatic, prehospital field studies to gauge feasibility, acceptability, and safety of an EMS-initiated buprenorphine protocol. A subsequent single-arm prospective trial will enroll about 100 patients per site to gather preliminary data on effectiveness in improving engagement with MOUD at 10 and 30 days. The findings from the pragmatic phase will be used to refine the EMS protocol before moving toward larger randomized comparisons. Qualitative and refusal-cohort analyses will help understand barriers and inform protocol revisions. The overall aim is to determine whether EMS-initiated buprenorphine can improve linkage to ongoing treatment for opioid use disorder.
Why it matters
Potential benefit: If successful, EMS-initiated buprenorphine could improve early treatment engagement and reduce gaps in care after an opioid-related emergency response.
How similar studies have gone: Prior exploratory work in EMS-based interventions for opioid use disorder exists, but this specific EMS-initiated buprenorphine approach is being evaluated for feasibility and preliminary effectiveness.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * 18 years of age or older * Treated by the EMS-Initiated buprenorphine clinical protocol which includes: Patients that accept EMS-Initiated BUP protocol. Patients offered the EMS-Initiated BUP protocol but declined.1 * Willing to follow study procedures. * Able to speak English sufficiently to understand study procedures, and to provide verbal and electronic/written consent. Exclusion Criteria: * Patients who lack decision making capacity * Patients who are in police or protective custody
Where it's running
-
Alameda Health System
Oakland, California, United States Recruiting -
Hennepin Healthcare
Minneapolis, Minnesota, United States Recruiting -
Cooper University Hospital
Camden, New Jersey, United States Recruiting
Study contacts
- Principal investigator: Gail D'Onofrio, MD, MS — Yale University
- Study coordinator: Gail D'Onofrio, MD, MS
- Email: gail.donofrio@yale.edu
- Phone: 12037857059
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.