NCT06316830

Brief Summary

The investigators aim to test the effectiveness of a high maintenance daily dose of buprenorphine (24 mg) for improving outcomes among patients who used fentanyl compared to the standard daily dose (16 mg). The main question it aims to answer is: will patients who are randomly assigned to the high 24 mg maintenance dose, as compared to patients randomly assigned to the standard 16 mg maintenance dose, have improved retention in buprenorphine treatment (primary outcome), improved treatment response based on use of non-prescribed opioids (secondary outcome), decreased opioid cravings (secondary outcome), and decreased risk of fatal and non-fatal opioid overdose (exploratory outcome).

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
250

participants targeted

Target at P75+ for phase_2

Timeline
18mo left

Started Jan 2025

Typical duration for phase_2

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress45%
Jan 2025Nov 2027

First Submitted

Initial submission to the registry

March 6, 2024

Completed
12 days until next milestone

First Posted

Study publicly available on registry

March 18, 2024

Completed
10 months until next milestone

Study Start

First participant enrolled

January 6, 2025

Completed
2.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 1, 2027

Expected
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

November 1, 2027

Last Updated

October 23, 2025

Status Verified

October 1, 2025

Enrollment Period

2.6 years

First QC Date

March 6, 2024

Last Update Submit

October 21, 2025

Conditions

Outcome Measures

Primary Outcomes (1)

  • Treatment Engagement

    The primary outcome is the percentage of participants retained in buprenorphine treatment. Participants will be classified as retained in buprenorphine treatment at six months post- randomization if (1) the study site data indicate that they remained engaged in treatment or (2) the PDMP suggest that they continued treatment elsewhere and have not had a gap of more than 27 days in medication on-hand based on fill dates and days' supply.

    six months post-randomization

Secondary Outcomes (2)

  • Control of Opioid Cravings

    six months post-randomization

  • Treatment response based on use of non-prescribed opioids

    six months post-randomization

Other Outcomes (1)

  • Rate of Non-fatal or Fatal Opioid Overdose

    twelve months post-randomization

Study Arms (2)

High Maintenance Daily Dose (24mg)

EXPERIMENTAL

The experimental intervention is a high daily maintenance dose of buprenorphine (24 mg) plus any usual clinical care the participant receives at the clinic. This high daily dose is the upper limit of the FDA-approved dose range and was selected based on preclinical studies, clinician anecdotes, case reports, and retrospective analyses suggesting improved effectiveness of higher buprenorphine doses among patients with a history of fentanyl use. Underlying pharmacodynamic principles support that the 24 mg daily dose of buprenorphine is likely to be well-tolerated, safe, and better control cravings among people with a history of fentanyl use.

Drug: Buprenorphine

Standard Maintenance Daily Dose (16mg)

ACTIVE COMPARATOR

The control intervention is the FDA-recommended target daily maintenance dose of buprenorphine (16 mg) plus any usual clinical care the participant receives at the clinic.

Drug: Buprenorphine

Interventions

Buprenorphine in a highly effective treatment for opioid use disorder (OUD). Buprenorphine dose guidelines for OUD treatment were determined by clinical trials conducted in populations with a history of heroin use. However, fentanyl is changing the calculation of treatment, and optimal buprenorphine dosing for people who use fentanyl is unknown.

High Maintenance Daily Dose (24mg)Standard Maintenance Daily Dose (16mg)

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • 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)

You may not qualify if:

  • 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.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Brown University

Providence, Rhode Island, 02912, United States

RECRUITING

Related Publications (2)

  • Chambers LC, Hallowell BD, Zullo AR, Paiva TJ, Berk J, Gaither R, Hampson AJ, Beaudoin FL, Wightman RS. Buprenorphine Dose and Time to Discontinuation Among Patients With Opioid Use Disorder in the Era of Fentanyl. JAMA Netw Open. 2023 Sep 5;6(9):e2334540. doi: 10.1001/jamanetworkopen.2023.34540.

    PMID: 37721749BACKGROUND
  • Armeni K, Chambers LC, Peachey A, Berk J, Langdon KJ, Peterson L, Beaudoin FL, Wightman RS. Randomised clinical trial of a 16 mg vs 24 mg maintenance daily dose of buprenorphine to increase retention in treatment among people with an opioid use disorder in Rhode Island: study protocol paper. BMJ Open. 2024 Nov 9;14(11):e085888. doi: 10.1136/bmjopen-2024-085888.

MeSH Terms

Conditions

Opioid-Related Disorders

Interventions

Buprenorphine

Condition Hierarchy (Ancestors)

Narcotic-Related DisordersSubstance-Related DisordersChemically-Induced DisordersMental Disorders

Intervention Hierarchy (Ancestors)

MorphinansOpiate AlkaloidsAlkaloidsHeterocyclic CompoundsHeterocyclic Compounds, Bridged-RingHeterocyclic Compounds, 4 or More RingsHeterocyclic Compounds, Fused-RingPhenanthrenesPolycyclic Aromatic HydrocarbonsPolycyclic Compounds

Central Study Contacts

Rachel Wightman, MD

CONTACT

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor of Epidemiology and Emergency Medicine

Study Record Dates

First Submitted

March 6, 2024

First Posted

March 18, 2024

Study Start

January 6, 2025

Primary Completion (Estimated)

August 1, 2027

Study Completion (Estimated)

November 1, 2027

Last Updated

October 23, 2025

Record last verified: 2025-10

Data Sharing

IPD Sharing
Will share

Deidentified data will be made available upon request in accordance with the policies and procedures of the Brown University and Rhode Island Department of Health Institutional Review Boards and collaborating state and local institutions

Shared Documents
STUDY PROTOCOL, SAP, ICF
Time Frame
Deidentified data will be made available upon request

Locations