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Clinical Trials/NCT07475728
NCT07475728
Not yet recruiting
Not Applicable

Emergency Medical Services (EMS)-Initiated Buprenorphine

Yale University3 sites in 1 country495 target enrollmentStarted: March 1, 2026Last updated:

Overview

Phase
Not Applicable
Status
Not yet recruiting
Enrollment
495
Locations
3
Primary Endpoint
Primary Outcome Measure for Pragmatic Field Study

Overview

Brief Summary

This is a multisite EMS study that will first conduct a sequence of pragmatic, prehospital field studies to provide preliminary feasibility, acceptability, and safety data for refinement and enhancement of a subsequent single-arm prospective trial that will provide preliminary effectiveness data, from which to build a larger randomized control trail (RCT) trial.

Detailed Description

Evaluating the EMS clinical protocol details and subsequent research procedures will be accomplished by enrolling approximately five EMS-initiated BUP encounters per site. Subsequently, a pragmatic field study will engage approximately thirty successful BUP initiations to assess the feasibility, acceptability, and safety of the EMS clinical protocol and follow up procedures. Investigators will also enroll a cohort of up to thirty patients per site who are eligible for BUP but refuse for informative purposes only, to understand reasons for refusal. Qualitative data on the refusal cohort will be analyzed separately. The outcomes of the pragmatic studies will inform revisions to the EMS clinical protocol.

A single-arm prospective trial of approximately 100 patients per site will subsequently be conducted to collect preliminary data on the effectiveness of EMS-initiated BUP on engagement in MOUD treatment within 10 and 30 days after the EMS-initiated BUP encounter.

Study Design

Study Type
Observational
Observational Model
Other
Time Perspective
Prospective

Eligibility Criteria

Sex
All
Accepts Healthy Volunteers
No

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

Arms & Interventions

Participants

Individuals with opioid use disorder (OUD) who encounter Emergency Medical Services (EMS) in the prehospital setting under one of two circumstances: (1) They have experienced an overdose requiring naloxone reversal or (2) They are in acute opioid abstinence withdrawal and are offered an EMS-initiated BUP clinical protocol.

Outcomes

Primary Outcomes

Primary Outcome Measure for Pragmatic Field Study

Time Frame: Baseline

Feasibility and acceptability will be measured by the proportion of patients who accept EMS-initiated BUP among all patients who are offered the EMS-initiated BUP clinical protocol.

Primary Outcome Measure for the Single Arm Prospective Trial

Time Frame: Within 10 days after EMS encounter

The proportion of participants engaged in MOUD within 10 days post EMS-initiated BUP among participants who received BUP and consented to be followed

Secondary Outcomes

  • Engagement in Treatment (30)(Within 30 days after EMS encounter)
  • Precipitated Withdrawal(Baseline)
  • ED Visits and Hospitalizations(Within 30 days after EMS encounter)
  • Adverse Events(Within 30 days after EMS-BUP encounter)

Investigators

Sponsor Class
Other
Responsible Party
Sponsor

Study Sites (3)

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