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ClinicalTrials.gov public records Last synced Oct 18, 2026, 1:12 AM EDT

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Showing 193–216 of 374 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Methadone Clear all
Completed No phase listed Observational Accepts healthy volunteers

Bone Density and Serum Testosterone in Male Methadone Maintained Patients

NCT00170339
View directory record Official record
Conditions
Opiate Dependence, Osteoporosis, Erectile Dysfunction, Hypogonadism
Interventions
Not listed
Lead sponsor
Hennepin Healthcare Research Institute
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 14, 2016 · Synced Oct 18, 2026, 1:12 AM EDT
Completed Phase 3 Interventional

Safety and Efficacy of Probuphine in the Treatment of Opioid Dependence

NCT00447564
View directory record Official record
Conditions
Opioid Dependence
Interventions
Probuphine, placebo
Drug
Lead sponsor
Titan Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
163 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
18
States / cities
Los Angeles, California • National City, California • Oceanside, California + 14 more
Source: ClinicalTrials.gov public record
Updated Dec 31, 2018 · Synced Oct 18, 2026, 1:12 AM EDT
Completed No phase listed Observational Results available

Methadone Monitoring for Insights Into Adverse Events

NCT01191242
View directory record Official record
Conditions
Pain, Opiate Addiction
Interventions
Not listed
Lead sponsor
Intermountain Health Care, Inc.
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
2
States / cities
Murray, Utah • Taylorsville, Utah
Source: ClinicalTrials.gov public record
Updated Mar 29, 2017 · Synced Oct 18, 2026, 1:12 AM EDT
Completed Phase 2 Interventional

Cocaine Effects in Humans: Physiology and Behavior - 1

NCT00000200
View directory record Official record
Conditions
Cocaine-Related Disorders
Interventions
Methadone
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 45 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 1998
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 12, 2017 · Synced Oct 18, 2026, 1:12 AM EDT
Completed No phase listed Observational

Effect of Heroin Use on Immune Activation and Cardiovascular Risk in HIV

NCT03976258
View directory record Official record
Conditions
HIV Infection, Opioid-use Disorder, Cardiovascular Diseases
Interventions
buprenorphine/naloxone, Methadone, Naltrexone Injection, Heroin
Drug
Lead sponsor
MetroHealth Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
2
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 2, 2023 · Synced Oct 18, 2026, 1:12 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 18, 2026, 1:12 AM EDT
Recruiting No phase listed Observational

fMRI and Opioid Abstinence

NCT06651333
View directory record Official record
Conditions
Drug Use Disorder, Opioid Dependence, Opioid-Related Disorders, Opioid Use, Opioid Abuse
Interventions
fMRI
Diagnostic Test
Lead sponsor
Yale University
Other
Eligibility
18 Years to 50 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
2
States / cities
Hartford, Connecticut • New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 7, 2026 · Synced Oct 18, 2026, 1:12 AM EDT
Completed Early Phase 1 Interventional

Cognitive Function and Pain Threshold in People Who Are Methadone Maintained

NCT04027166
View directory record Official record
Conditions
Pain
Interventions
Methadone
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 20, 2021 · Synced Oct 18, 2026, 1:12 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Intravenous Methadone Versus Intrathecal Morphine for Analgesia Following Cesarean Delivery

NCT06826742
View directory record Official record
Conditions
Cesarean Delivery
Interventions
Intravenous line (IV) Methadone, Intrathecal Morphine
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 5, 2026 · Synced Oct 18, 2026, 1:12 AM EDT
Recruiting No phase listed Observational

Impact of Federal and State Medications for Opioid Use Disorder (MOUD) Policy Changes During the Pandemic

NCT07232641
View directory record Official record
Conditions
Substance Use Disorders, Alcohol Use Disorder, Opioid Use Disorder
Interventions
Not listed
Lead sponsor
Boston University
Other
Eligibility
18 Years and older
Enrollment
185,810 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 2, 2026 · Synced Oct 18, 2026, 1:12 AM EDT
Completed Not applicable Interventional Results available

Reengineering Methadone Treatment Study of Patient-centered Methadone Treatment

NCT01442493
View directory record Official record
Conditions
Opiate Dependence
Interventions
Patient-Centered Methadone Treatment, Methadone Treatment as usual
Other
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 29, 2017 · Synced Oct 18, 2026, 1:12 AM EDT
Completed Not applicable Interventional

Motivational Program for Smokers Enrolled in a Methadone Maintenance Program

NCT00278226
View directory record Official record
Conditions
Unspecified Adult Solid Tumor, Protocol Specific
Interventions
smoking cessation intervention, educational intervention
Behavioral · Other
Lead sponsor
Butler Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
398 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2004
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Mar 24, 2010 · Synced Oct 18, 2026, 1:12 AM EDT
Terminated Phase 2 Interventional Results available

Combination Pain Therapy in HIV Neuropathy

NCT00863057
View directory record Official record
Conditions
HIV Infections, Peripheral Neuropathy
Interventions
Duloxetine, Duloxetine placebo, Methadone, Methadone placebo
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
8
States / cities
San Diego, California • Torrance, California • Aurora, Colorado + 5 more
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Oct 18, 2026, 1:12 AM EDT
Completed Phase 1 Interventional

Study of the Treatment of Experimental Pain in Opioid Dependent Persons on Methadone or Buprenorphine Maintenance

NCT01642030
View directory record Official record
Conditions
Opioid Dependence, Pain, Addiction
Interventions
Placebo, Hydromorphone, Buprenorphine
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 55 Years
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 11, 2017 · Synced Oct 18, 2026, 1:12 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 18, 2026, 1:12 AM EDT
Completed Phase 1 Interventional

A Study to Assess the Effect of Concomitant Administration of Fluconazole on the Clinical Pharmacokinetics of Methadone

NCT00000788
View directory record Official record
Conditions
Candidiasis, HIV Infections
Interventions
Methadone hydrochloride, Fluconazole
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1994
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Oct 18, 2026, 1:12 AM EDT
Withdrawn Not applicable Interventional

Methadone Versus Placebo in Spine Fusion

NCT01125059
View directory record Official record
Conditions
Postoperative Pain
Interventions
Methadone, Saline
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 22, 2015 · Synced Oct 18, 2026, 1:12 AM EDT
Completed Not applicable Interventional

Employment-based Reinforcement to Motivate Drug Abstinence in the Treatment of Drug Addiction. - 2

NCT00249457
View directory record Official record
Conditions
Behavior, Addictive, Cocaine Abuse, Cocaine Dependence, Heroin Dependence, Opioid Dependence
Interventions
Contingency management
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2006
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 30, 2017 · Synced Oct 18, 2026, 1:12 AM EDT
Completed Not applicable Interventional

Transitions Clinic Network: Post Incarceration Addiction Treatment, Healthcare, and Social Support

NCT04309565
View directory record Official record
Conditions
Opioid Addiction
Interventions
Transitions Clinic Network Primary Care, Standard Primary Care
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
398 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
4
States / cities
New Haven, Connecticut • Minneapolis, Minnesota • The Bronx, New York + 1 more
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Oct 18, 2026, 1:12 AM EDT
Completed Not applicable Interventional Results available

Treatment of Pregnant Women With OUD

NCT04240392
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
Collaborative Care (CC), Extension for Community Healthcare Outcomes (ECHO)
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older · Female only
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
11
States / cities
Hartford, Connecticut • New Britain, Connecticut • New Haven, Connecticut + 7 more
Source: ClinicalTrials.gov public record
Updated May 21, 2025 · Synced Oct 18, 2026, 1:12 AM EDT
Active, not recruiting Phase 4 Interventional

Oral Methadone in Cardiac Surgery

NCT07221617
View directory record Official record
Conditions
Pain, Postoperative, Anesthesia, Cardiac Surgery
Interventions
Methadone, oral, Methadone, intravenously
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Oct 18, 2026, 1:12 AM EDT
Recruiting Not applicable Interventional

Long-Term Treatment of Opioid Use Disorder

NCT05534815
View directory record Official record
Conditions
Drug Addiction, Employment
Interventions
Employment-based abstinence reinforcement
Behavioral
Lead sponsor
Northern Michigan University
Other
Eligibility
18 Years and older
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Marquette, Michigan
Source: ClinicalTrials.gov public record
Updated May 2, 2025 · Synced Oct 18, 2026, 1:12 AM EDT
Withdrawn No phase listed Observational

Addiction Treatment in Primary Care Expansion

NCT03547882
View directory record Official record
Conditions
Opioid Use Disorder (OUD), Chronic Pain
Interventions
Not listed
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
2
States / cities
Denver, Colorado • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 25, 2024 · Synced Oct 18, 2026, 1:12 AM EDT
Completed Phase 4 Interventional

Reducing Pain With Methadone and Ketamine in Liver Transplant

NCT06868589
View directory record Official record
Conditions
Liver Transplantation
Interventions
Methadone, ketamine, Hydromorphone, fentanyl
Drug
Lead sponsor
Lahey Clinic
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
2
States / cities
Burlington, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Oct 18, 2026, 1:12 AM EDT