Actively Recruiting

Phase 2
Phase 3
Age: 18Years - 100Years
All Genders
NCT05459402

Divided or Single Exposure (DOSE) Study

Led by University of Maryland, Baltimore · Updated on 2026-02-03

150

Participants Needed

1

Research Sites

275 weeks

Total Duration

On this page

Sponsors

U

University of Maryland, Baltimore

Lead Sponsor

N

National Institute on Drug Abuse (NIDA)

Collaborating Sponsor

AI-Summary

What this Trial Is About

This study will evaluate whether once versus twice daily dosing of methadone will be an effective method for managing comorbid pain and opioid use disorder.

CONDITIONS

Official Title

Divided or Single Exposure (DOSE) Study

Who Can Participate

Age: 18Years - 100Years
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Aged 18 years of age or older
  • Receiving methadone treatment for opioid use disorder for more than 90 days
  • On the same methadone dose for more than 30 days
  • Have previously received a take-home methadone dose
  • Willing to follow the study schedule
  • Report experiencing pain
  • Have a cellular phone or agree to carry one provided by the study during a study phase
Not Eligible

You will not qualify if you...

  • Pregnant
  • Have an acute medical problem needing immediate intensive care
  • Have a serious and unstable mental illness that affects informed consent or study visit adherence
  • Planning to leave methadone treatment during the study
  • On a methadone dose that cannot be effectively split
  • Currently receiving split methadone doses
  • Receiving pain treatment that conflicts with split methadone dosing or study integrity
  • Do not meet mild to severe disability criteria

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 1 location

1

Addiction Treatment Services (ATS)

Baltimore, Maryland, United States, 21224

Actively Recruiting

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Research Team

K

Kelly E Dunn, PhD, M.B.A.

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

QUADRUPLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

2

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Divided or Single Exposure (DOSE) Study | DecenTrialz