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ClinicalTrials.gov public records Last synced Oct 1, 2026, 9:52 AM EDT

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Showing 25–48 of 66 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Methadone, oral Clear all
Completed Not applicable Interventional

Directly Observed Hepatitis C Treatment in Methadone Clinics

NCT01442311
View directory record Official record
Conditions
Hepatitis C, Medication Adherence
Interventions
enhanced DOT (both pegylated interferon alfa-2a and ribavirin), standard DOT (PEG-DOT control arm)
Other
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jun 26, 2015 · Synced Oct 1, 2026, 9:52 AM EDT
Completed Phase 1 Interventional

Methadone Pharmacokinetics and Cardiac Effects in Newborns

NCT00715988
View directory record Official record
Conditions
Pain
Interventions
Methadone HCl Inject 10 mg/ml (will require dilution), Methadone
Drug
Lead sponsor
University of Utah
Other
Eligibility
29 Weeks to 48 Weeks
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2017
U.S. locations
2
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jun 1, 2022 · Synced Oct 1, 2026, 9:52 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Drug-drug Interaction Study of Bemnifosbuvir/Ruzasvir (BEM/RZR) and Buprenorphine/Naloxone or Methadone

NCT07314346
View directory record Official record
Conditions
Healthy Volunteer Study
Interventions
Buprenorphine/Naloxone + BEM/RZR, Methadone +BEM/RZR
Drug
Lead sponsor
Atea Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
3
States / cities
Hollywood, Florida • Overland Park, Kansas • Marlton, New Jersey
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Oct 1, 2026, 9:52 AM EDT
Completed Not applicable Interventional Results available

Varenicline or Nicotine Patch and Nicotine Gum in Helping Smokers in a Methadone Treatment Program Stop Smoking

NCT00790569
View directory record Official record
Conditions
Bladder Cancer, Cervical Cancer, Esophageal Cancer, Gastric Cancer, Head and Neck Cancer, Kidney Cancer, Leukemia, Liver Cancer, Lung Cancer, Pancreatic Cancer, Tobacco Use Disorder
Interventions
nicotine, varenicline, placebo
Drug · Other
Lead sponsor
Butler Hospital
Other
Eligibility
18 Years to 120 Years
Enrollment
315 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jun 6, 2018 · Synced Oct 1, 2026, 9:52 AM EDT
Terminated Phase 2 Interventional Results available

Biased Opioid Agonists for Treatment of Opioid Withdrawal in OUD

NCT04316559
View directory record Official record
Conditions
Opioid-Use Disorder
Interventions
Placebo, TRV734, Oxycodone
Other · Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 75 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Oct 1, 2026, 9:52 AM EDT
Withdrawn Phase 2Phase 3 Interventional

Postoperative Oral Methadone After Major Spine Surgery; Safety, Feasibility and Efficacy in Prevention of Progression to Chronic Opioid Usage at 3 Months

NCT05693675
View directory record Official record
Conditions
Spine Surgery
Interventions
Postoperative methadone, Postoperative placebo, Rescue Analgesia
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 10, 2025 · Synced Oct 1, 2026, 9:52 AM EDT
Active, not recruiting Phase 3 Interventional

Treating Polysubstance Use Using a Novel Digital Technology

NCT05766631
View directory record Official record
Conditions
Opioid Use, Opioid Use Disorder, Cocaine Use, Cocaine Use Disorder
Interventions
DynamiCare Health, Methadone Treatment-As-Usual
Behavioral · Drug
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
5
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Oct 1, 2026, 9:52 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Interaction of CYP2B6 Genotype and Efavirenz With Methadone and Tizanidine PK

NCT05789173
View directory record Official record
Conditions
Drug-Drug Interaction
Interventions
Methadone and Tizanidine, Efavirenz, Methadone and Tizanidine
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Oct 1, 2026, 9:52 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Use of Driving Tests to Evaluate Patient Performance on Oral Opioids

NCT00659035
View directory record Official record
Conditions
Chronic Pain
Interventions
Not listed
Lead sponsor
Asokumar Buvanendran
Other
Eligibility
18 Years to 80 Years
Enrollment
450 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 8, 2026 · Synced Oct 1, 2026, 9:52 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Buprenorphine and Methadone for Opioid Dependent Chronic Pain Patients

NCT00879996
View directory record Official record
Conditions
Opiate Addiction
Interventions
Methadone, Buprenorphine/naloxone
Drug
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
2
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Aug 7, 2012 · Synced Oct 1, 2026, 9:52 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Medications for Opioid Use Disorder Photosensitive Retinal Ganglion Cell Function, Sleep, and Circadian Rhythms: Implications for Treatment

NCT06104280
View directory record Official record
Conditions
Opioid Use Disorder, Sleep Disturbance
Interventions
Post-Illumination Pupillary Response (PIPR), Polysomnography, Multiple Sleep Latency Test, Ecological Momentary Assessments, Actigraphy, DLMO, Melatonin Suppression Test
Other · Behavioral · Device
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 80 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Oct 1, 2026, 9:52 AM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

Study Evaluating Oral MOA-728 in Subjects on Methadone Therapy

NCT00505583
View directory record Official record
Conditions
Methadone-maintenance Subjects
Interventions
MOA-728
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years to 65 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Nov 29, 2019 · Synced Oct 1, 2026, 9:52 AM EDT
Recruiting Phase 2 Interventional

Psilocybin for Opioid Use Disorder (OUD)

NCT06796062
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Psilocybin
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 65 Years
Enrollment
480 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
5
States / cities
Albuquerque, New Mexico • Brooklyn, New York • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 23, 2026 · Synced Oct 1, 2026, 9:52 AM EDT
Completed Phase 4 Interventional Results available

Oral and Intravenous Methadone for Analgesia in Cardiac Surgery

NCT06720415
View directory record Official record
Conditions
Anesthesia, Cardiac Surgery
Interventions
Oral methadone, immediately prior to transport, Intravenous methadone
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Oct 1, 2026, 9:52 AM EDT
Recruiting Phase 1 Interventional

MethaLoad Dose-Finding Study

NCT06877858
View directory record Official record
Conditions
Opioid Use Disorder (OUD)
Interventions
Methadone hydrochloride
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 14, 2025 · Synced Oct 1, 2026, 9:52 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

LAAM-HAART PET Imaging

NCT01935830
View directory record Official record
Conditions
Healthy Volunteers
Interventions
[11c] LAAM, Ritonavir, Efavirenz
Radiation · Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 50 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 13, 2017 · Synced Oct 1, 2026, 9:52 AM EDT
Completed Not applicable Interventional

A Study of Azidothymidine Plus Methadone in Patients With AIDS and AIDS Related Complex (ARC)

NCT00001008
View directory record Official record
Conditions
HIV Infections
Interventions
Methadone hydrochloride, Zidovudine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Mar 14, 2011 · Synced Oct 1, 2026, 9:52 AM EDT
Terminated Phase 3 Interventional Results available

Ibuprofen to Decrease Opioid Use and Post-operative Pain Following Unilateral Inguinal Herniorrhaphy

NCT02929589
View directory record Official record
Conditions
Pain, Hernia
Interventions
Ibuprofen, Opioid Medication, Placebo, Ibuprofen + Opioid medication
Drug
Lead sponsor
Mike O'Callaghan Military Hospital
Federal
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Nellis Air Force Base, Nevada
Source: ClinicalTrials.gov public record
Updated Mar 26, 2024 · Synced Oct 1, 2026, 9:52 AM EDT
Recruiting Phase 4 Interventional

Office-based Methadone Versus Buprenorphine to Address Retention in Medication for Opioid Use Disorder Treatment.

NCT06323824
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Methadone, Buprenorphine (BUP)
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 99 Years
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
6
States / cities
Oakland, California • San Francisco, California • Denver, Colorado + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Oct 1, 2026, 9:52 AM EDT
Recruiting Phase 3 Interventional

Evaluation of Analgesia for Spine Fusion Elective Surgery in Children

NCT06626503
View directory record Official record
Conditions
Idiopathic Scoliosis
Interventions
Methadone based ERAS, Non-methadone based group
Drug
Lead sponsor
Senthil Sadhasivam
Other
Eligibility
10 Years to 18 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
2
States / cities
Cincinnati, Ohio • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Oct 1, 2026, 9:52 AM EDT
Completed No phase listed Observational

The Pharmacokinetics of Oral Methadone in the Treatment of Neonatal Abstinence Syndrome

NCT01754324
View directory record Official record
Conditions
Neonatal Abstinence Syndrome
Interventions
Methadone
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
Up to 1 Month
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
2
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 13, 2014 · Synced Oct 1, 2026, 9:52 AM EDT
Terminated Not applicable Interventional Results available

A Drug Treatment for Cocaine Users Who Are Also on Methadone Maintenance Treatment

NCT01802515
View directory record Official record
Conditions
Cocaine Dependence, Opiate Dependence
Interventions
Atomoxetine, low dose, Atomoxetine, high dose, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 6, 2016 · Synced Oct 1, 2026, 9:52 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Clinical Trial in Healthy Participants to Study the Effect of a Single Dose of MK-8527 on Levels of Methadone (MK-8527-020)

NCT07528508
View directory record Official record
Conditions
Healthy
Interventions
MK-8527, Methadone
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Anniston, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Oct 1, 2026, 9:52 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Aripiprazole for Prevention of Relapse to Cocaine Use in Methadone-Maintenance Patients

NCT00780702
View directory record Official record
Conditions
Cocaine Dependence, Cocaine-Related Disorders, Opioid-Related Disorders
Interventions
Airipiprazole, Placebo
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 60 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Oct 1, 2026, 9:52 AM EDT