Testing higher doses of buprenorphine for treating opioid use disorder

Randomized Clinical Trial of a 16 mg vs. 24 mg Maintenance Daily Dose of Buprenorphine to Increase Retention in Treatment Among People With Opioid Use Disorder

Phase2; Phase3 Interventional Rhode Island Hospital · NCT06316830

This study tests if a higher daily dose of buprenorphine can help people with opioid use disorder, especially those who have used fentanyl, feel better and stay in treatment longer compared to the standard dose.

Quick facts

PhasePhase2; Phase3
Study typeInterventional
Enrollment250 (estimated)
Ages18 Years and up
SexAll
SponsorRhode Island Hospital Academic / other
Locations1 site (Providence, Rhode Island)
Trial IDNCT06316830 on ClinicalTrials.gov

What this trial studies

This study investigates the effectiveness of a higher daily dose of buprenorphine (24 mg) compared to the standard dose (16 mg) in patients with opioid use disorder, particularly those with a history of fentanyl use. Participants will be randomly assigned to receive either dose, and the study will measure outcomes such as treatment retention, opioid use, cravings, and overdose risk. The goal is to determine if the higher dose leads to better treatment outcomes and reduced overdose incidents.

Who should consider this trial

Good fit: Ideal candidates are English-speaking adults aged 18 and older with moderate to severe opioid use disorder and a history of fentanyl use.

Not a fit: Patients who are pregnant, incarcerated, or have allergies to buprenorphine will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved treatment strategies for patients with opioid use disorder, potentially reducing overdose rates.

How similar studies have performed: Other studies have explored buprenorphine dosing, but this specific high-dose approach in the context of fentanyl use is relatively novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* English-speaking
* Age 18 years-old or older
* Identified by the treating physician as having moderate to severe opioid use disorder (OUD)
* Initiating or continuing buprenorphine for treatment of opioid use disorder
* History of fentanyl use (confirmed by fentanyl positive urine drug screen (UDS) at intake OR if on buprenorphine maintenance treatment fentanyl plus a positive UDS within the last month OR self- reported ongoing fentanyl use during treatment)

Exclusion Criteria:

* Previous enrollment in the trial
* Incarcerated or in police custody\*
* Pregnant
* Live outside of Rhode Island (RI)
* Unable to provide informed consent
* Allergy to Buprenorphine
* Concomitant medication use deemed to present potential for serious medication interaction by the treating clinician \*Participants that become incarcerated/or in police custody during the study will be withdrawn.

Where this trial is running

Providence, Rhode Island

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Opioid Use Disorder
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.