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ClinicalTrials.gov public records Last synced Oct 17, 2026, 11:10 PM EDT

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Showing 145–168 of 374 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Methadone Clear all
Completed Phase 1 Interventional

HIV Counseling Intervention for Methadone-Maintained Patients - 2

NCT00061100
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
Behavior Therapy-RISE, Standard prevention Education
Behavioral
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2003
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 23, 2019 · Synced Oct 17, 2026, 11:10 PM EDT
Recruiting Not applicable Interventional

Peer Recovery to Improve Polysubstance Use and Mobile Telemedicine Retention

NCT05973838
View directory record Official record
Conditions
Polysubstance Addiction, Opioid Medication Assisted Treatment, Treatment Adherence, Retention in Care, Substance-Related Disorders
Interventions
Peer-Delivered Behavioral Activation ("Peer Activate")
Behavioral
Lead sponsor
University of Maryland, College Park
Other
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
4
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland • College Park, Maryland + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 27, 2026 · Synced Oct 17, 2026, 11:10 PM EDT
Recruiting Phase 4 Interventional

Methadone and Quality of Postoperative Recovery

NCT03168958
View directory record Official record
Conditions
Quality of Recovery Scores
Interventions
Methadone, Saline
Drug
Lead sponsor
Endeavor Health
Other
Eligibility
18 Years to 90 Years
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 24, 2020 · Synced Oct 17, 2026, 11:10 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

CYP2B6 Polymorphisms in Methadone Disposition

NCT01648283
View directory record Official record
Conditions
Healthy Volunteers
Interventions
IV racemic methadone HCl, Oral racemic methadone HCl
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 50 Years
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 20, 2018 · Synced Oct 17, 2026, 11:10 PM EDT
Completed Not applicable Interventional Results available

Virtual Empowered Relief for Chronic Pain

NCT05057988
View directory record Official record
Conditions
Chronic Pain, Pain
Interventions
Empowered Relief class
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Apr 16, 2025 · Synced Oct 17, 2026, 11:10 PM EDT
Completed Phase 2 Interventional

Herbal Treatment of Hepatitis C in Methadone Maintained Patients

NCT00010816
View directory record Official record
Conditions
Hepatitis C
Interventions
Herbal remedies
Drug
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
18 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2003
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 18, 2006 · Synced Oct 17, 2026, 11:10 PM EDT
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 17, 2026, 11:10 PM EDT
Not listed Not applicable Interventional

Mobile Psychosocial Interventions for MMT Clients

NCT01632982
View directory record Official record
Conditions
Opioid Abuse, Substance Abuse
Interventions
standard treatment, MTS (Mobile Therapeutic System), mobile control
Behavioral
Lead sponsor
National Development and Research Institutes, Inc.
Other
Eligibility
18 Years and older
Enrollment
219 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Long Island City, New York
Source: ClinicalTrials.gov public record
Updated Sep 14, 2017 · Synced Oct 17, 2026, 11:10 PM 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 17, 2026, 11:10 PM EDT
Terminated Phase 4 Interventional Results available

Anxiety in Recovering Opiate Dependence

NCT00668265
View directory record Official record
Conditions
Generalized Anxiety Disorder, Comorbid Opiate Dependence in Remission, Status Post Methadone-Maintenance Treatment
Interventions
Quetiapine
Drug
Lead sponsor
Beth Israel Medical Center
Other
Eligibility
21 Years to 65 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 18, 2013 · Synced Oct 17, 2026, 11:10 PM EDT
Completed Not applicable Interventional

Treatment for Psychological and Drug Abuse Problems

NCT01140334
View directory record Official record
Conditions
Substance Use Disorders
Interventions
Voucher Reinforcement, Standard Control
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
158 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 20, 2013 · Synced Oct 17, 2026, 11:10 PM EDT
Completed Phase 1 Interventional

Gabapentin, Methadone Hydrochloride, and Oxycodone Hydrochloride in Improving Quality of Life in Patients With Stage II-IV Head and Neck Cancer During Chemoradiation

NCT02531906
View directory record Official record
Conditions
Head and Neck Squamous Cell Carcinoma, Pain, Stomatitis
Interventions
Gabapentin, Methadone Hydrochloride, Oxycodone Hydrochloride, Quality-of-Life Assessment, Questionnaire Administration
Drug · Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jul 25, 2022 · Synced Oct 17, 2026, 11:10 PM EDT
Completed Phase 2 Interventional Results available

Stimulant Oxytocin Study

NCT03016598
View directory record Official record
Conditions
Stimulant Use & Co-occuring Opioid Use Disorders
Interventions
Intranasal oxytocin, Intranasal placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
3
States / cities
Sacramento, California • San Francisco, California • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 10, 2021 · Synced Oct 17, 2026, 11:10 PM EDT
Completed Not applicable Interventional

Intervention to Reduce Injection Drug Use

NCT00786630
View directory record Official record
Conditions
Substance Abuse
Interventions
Strengths-based case management, Case management plus facilitated treatment alliance
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
726 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 23, 2014 · Synced Oct 17, 2026, 11:10 PM EDT
Terminated Not applicable Interventional Results available

Methadone, Morphine, or Oxycodone in Treating Pain in Patients With Cancer

NCT00726830
View directory record Official record
Conditions
Brain and Central Nervous System Tumors, Chronic Myeloproliferative Disorders, Leukemia, Lymphoma, Lymphoproliferative Disorder, Multiple Myeloma and Plasma Cell Neoplasm, Myelodysplastic Syndromes, Myelodysplastic/Myeloproliferative Neoplasms, Pain, Precancerous Condition, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
methadone hydrochloride, morphine sulfate, oxycodone hydrochloride
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
2
States / cities
Spartanburg, South Carolina • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 24, 2020 · Synced Oct 17, 2026, 11:10 PM EDT
Terminated Phase 4 Interventional Results available

Pilot Study of Nicotine Nasal Spray and Varenicline on Smoking in Methadone-Maintained Patients

NCT02147132
View directory record Official record
Conditions
Cigarette Smoking, Methadone Maintenance
Interventions
Nicotine Nasal Spray, Varenicline, Placebo Nasal Spray, Placebo Varenicline
Drug
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 5, 2018 · Synced Oct 17, 2026, 11:10 PM EDT
Completed Not applicable Interventional

Improving Substance Abuse Counseling Adherence Using Web-based Videoconferencing

NCT01142609
View directory record Official record
Conditions
Substance Abuse Disorder
Interventions
eGet
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 4, 2013 · Synced Oct 17, 2026, 11:10 PM EDT
Active, not recruiting Phase 3 Interventional Results available

Trial to Shorten Pharmacologic Treatment of Newborns With Neonatal Opioid Withdrawal Syndrome (NOWS)

NCT04214834
View directory record Official record
Conditions
Neonatal Opioid Withdrawal Syndrome
Interventions
Morphine, Methadone
Drug
Lead sponsor
Advancing Clinical Trials in Neonatal Opioid Withdrawal (ACT NOW) Program
Network
Eligibility
36 Weeks and older
Enrollment
189 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
24
States / cities
Birmingham, Alabama • Tucson, Arizona • Little Rock, Arkansas + 18 more
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Oct 17, 2026, 11:10 PM EDT
Terminated Phase 4 Interventional Results available

The Effects of Ketamine and Methadone on Postoperative Pain for Laminectomy

NCT02252432
View directory record Official record
Conditions
Laminectomy
Interventions
Ketamine, Methadone, Ketamine + methadone
Drug
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 29, 2024 · Synced Oct 17, 2026, 11:10 PM EDT
Completed Not applicable Interventional Results available

Patient-Centered Models of HCV Care for People Who Inject Drugs

NCT02824640
View directory record Official record
Conditions
Hepatitis C, Medication Adherence
Interventions
Patient Navigation, modified Directly Observed Therapy
Behavioral
Lead sponsor
Prisma Health-Upstate
Other
Eligibility
18 Years to 70 Years
Enrollment
755 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Sep 26, 2024 · Synced Oct 17, 2026, 11:10 PM EDT
Completed Phase 3 Interventional Results available

Perioperative Methadone Use to Decrease Opioid Requirement in Pediatric Spinal Fusion Patients

NCT02558010
View directory record Official record
Conditions
Scoliosis, Pain
Interventions
Methadone, Normal Saline, Morphine
Drug · Other
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
10 Years to 18 Years
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 18, 2023 · Synced Oct 17, 2026, 11:10 PM EDT
Completed Phase 4 Interventional

Improving Hepatitis C Treatment in Injection Drug Users

NCT00148031
View directory record Official record
Conditions
Hepatitis C, Liver Diseases, Drug Abuse, Alcoholism
Interventions
Pegylated Interferon and Ribavirin, Psychosocial, On-site (MMT Clinic) HCV evaluation and treatment, Off-site HCV evaluation and treatment
Drug · Behavioral
Lead sponsor
State University of New York - Upstate Medical University
Other
Eligibility
18 Years to 65 Years
Enrollment
111 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
2
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Apr 24, 2013 · Synced Oct 17, 2026, 11:10 PM 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 17, 2026, 11:10 PM EDT
Not listed Not applicable Interventional

Aim 2 - Conversations Can Save Lives: TALKing About Buprenorphine & Methadone for Opioid Use Treatment Initiation

NCT06527820
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Talk About It (conversation aid)
Behavioral
Lead sponsor
Baystate Medical Center
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Springfield, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 31, 2024 · Synced Oct 17, 2026, 11:10 PM EDT