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ClinicalTrials.gov public records Last synced Oct 18, 2026, 4:00 AM EDT

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Showing 241–264 of 374 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Methadone Clear all
Completed Phase 4 Interventional Results available

A Study of PEGASYS (Peginterferon Alfa-2a (40KD)) in Combination With Copegus (Ribavirin) in Patients With Chronic Hepatitis C (CHC) Enrolled in a Methadone Maintenance Treatment Program.

NCT00087594
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
peginterferon alfa-2a [Pegasys], ribavirin
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
7
States / cities
San Francisco, California • Farmington, Connecticut • Honolulu, Hawaii + 4 more
Source: ClinicalTrials.gov public record
Updated Mar 4, 2016 · Synced Oct 18, 2026, 4:00 AM EDT
Completed Phase 2Phase 3 Interventional

Directly Administered HIV Therapy in Methadone Clinics

NCT00279110
View directory record Official record
Conditions
HIV Infections, Heroin Dependence
Interventions
Directly administered antiretroviral therapy (DAART)
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
107 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
5
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 15, 2015 · Synced Oct 18, 2026, 4:00 AM EDT
Recruiting Not applicable Interventional

NavSTAR Implementation Effectiveness Trial Across a Health System

NCT07262190
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
NavSTAR (Philly adaptation)
Behavioral
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years and older
Enrollment
720 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 3, 2025 · Synced Oct 18, 2026, 4:00 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 18, 2026, 4:00 AM EDT
Completed Not applicable Interventional Results available

SafetyNet Program for Opioid Use Disorder (OUD)

NCT04253782
View directory record Official record
Conditions
Opioid-Use Disorder (OUD)
Interventions
Team Intervention
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 130 Years
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
2
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 18, 2024 · Synced Oct 18, 2026, 4:00 AM EDT
Completed Phase 2 Interventional Results available

Hyperalgesia in Methadone-Maintained Patients: Can it be Treated?

NCT01210079
View directory record Official record
Conditions
Opioid-Induced Hyperalgesia
Interventions
Gabapentin;, Placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years to 55 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2010
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 6, 2012 · Synced Oct 18, 2026, 4:00 AM EDT
Completed Not applicable Interventional

Evaluating Three Methods for Helping Syringe Exchangers Begin Methadone Maintenance

NCT01142986
View directory record Official record
Conditions
Substance Abuse Disorder
Interventions
Low intensity care, Voucher reinforcement
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
223 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 30, 2018 · Synced Oct 18, 2026, 4:00 AM EDT
Completed Not applicable Interventional

Preventing Depression in Methadone Maintenance Patients Receiving Hepatitis C Treatment - 1

NCT00218556
View directory record Official record
Conditions
Depressive Disorder, Major, Hepatitis C
Interventions
Cognitive behavioral treatment for depression
Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jan 12, 2017 · Synced Oct 18, 2026, 4:00 AM EDT
Recruiting Phase 3 Interventional

Implementation and Effectiveness of Mindfulness Oriented Recovery Enhancement as an Adjunct to Methadone Treatment

NCT06032559
View directory record Official record
Conditions
Opioid Use, Pain
Interventions
MORE, SMP, TAU
Behavioral · Other
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
2
States / cities
New Brunswick, New Jersey • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jul 30, 2025 · Synced Oct 18, 2026, 4:00 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 18, 2026, 4:00 AM EDT
Completed Phase 4 Interventional Results available

Treatment of Neonatal Abstinence Syndrome

NCT01723722
View directory record Official record
Conditions
Neonatal Abstinence Syndrome
Interventions
Methadone, Diluted Deodorized Tincture of Opium
Drug
Lead sponsor
Eastern Maine Medical Center
Other
Eligibility
1 Day to 6 Days
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Bangor, Maine
Source: ClinicalTrials.gov public record
Updated Nov 27, 2013 · Synced Oct 18, 2026, 4:00 AM EDT
Recruiting Not applicable Interventional

Personalized Addiction Treatment enHancement

NCT07778394
View directory record Official record
Conditions
Opioid Use Disorder, mHealth, Peer Support
Interventions
Vira Platform, Treatment-As-Usual
Behavioral
Lead sponsor
Rhode Island Hospital
Other
Eligibility
22 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Oct 18, 2026, 4:00 AM EDT
Not yet recruiting No phase listed Observational

Methadone Dose Monitoring With a Remote Medication Monitor

NCT06837571
View directory record Official record
Conditions
Methadone Toxicity, Methadone Overdose, Pain, Chronic, Drug Metabolism, Poor, CYP2D6-Related, Metabolism Medication Toxicity
Interventions
Measurement of Methadone in the Interstitial Fluid (ISF) before and after prescribed dose taken ex vivo, Measurement of Methadone in the Interstitial Fluid before and after prescribed dose taken in vivo, ISF Extraction Device 2
Diagnostic Test · Drug · Device
Lead sponsor
Cari Health Inc.
Other
Eligibility
18 Years to 70 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Lemon Grove, California
Source: ClinicalTrials.gov public record
Updated Feb 20, 2025 · Synced Oct 18, 2026, 4:00 AM EDT
Completed Phase 1Phase 2 Interventional

The Use of Methadone in Newborn Infants

NCT01327079
View directory record Official record
Conditions
Premature Birth of Newborn, Critically Ill
Interventions
Methadone
Drug
Lead sponsor
John van den Anker
Other
Eligibility
22 Weeks to 43 Weeks
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
2
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jul 26, 2018 · Synced Oct 18, 2026, 4:00 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug Interaction Study of Isavuconazole and Methadone

NCT01582425
View directory record Official record
Conditions
Pharmacokinetics of Isavuconazole, Pharmacokinetics of Methadone, Healthy Volunteers
Interventions
Isavuconazole, Methadone
Drug
Lead sponsor
Astellas Pharma Global Development, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Glendale, California
Source: ClinicalTrials.gov public record
Updated Jul 2, 2012 · Synced Oct 18, 2026, 4:00 AM EDT
Completed Phase 1 Interventional

Main Study of Lofexidine and Methadone Pharmacodynamic Interaction in Methadone Maintained Patients

NCT01650649
View directory record Official record
Conditions
Opioid Dependence, Methadone Withdrawal Syndrome
Interventions
Lofexidine HCl, Lofexidine-matching sugar pill
Drug
Lead sponsor
USWM, LLC (dba US WorldMeds)
Industry
Eligibility
18 Years to 60 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Oct 26, 2017 · Synced Oct 18, 2026, 4:00 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Impact of Methadone Maintenance Therapy on Food Reward Processing in Opioid Dependence

NCT03575273
View directory record Official record
Conditions
Opioid Dependence, Obesity
Interventions
Sniffin' Sticks Odor Identification and Hedonic Scale, Sucrose Taste Preference Assessment, Food Preferences Task, Progressive Ratio (PR) Task, Clinical Electrophysiology, Standardized Meal and Hunger and Satiety Ratings
Behavioral · Procedure · Dietary Supplement
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 60 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 16, 2020 · Synced Oct 18, 2026, 4:00 AM EDT
Recruiting No phase listed Observational

Assessment of Methadone Dose Taken

NCT05981573
View directory record Official record
Conditions
Methadone Toxicity, Methadone Overdose, Pain, Chronic, Drug Metabolism, Poor, CYP2D6-Related, Metabolism Medication Toxicity
Interventions
Measurement of Methadone in the Interstitial Fluid (ISF) before and after prescribed dose taken ex vivo, Measurement of Methadone in the Interstitial Fluid before and after prescribed dose taken in vivo, ISF Extraction Device 2
Diagnostic Test · Drug · Device
Lead sponsor
Cari Health Inc.
Other
Eligibility
18 Years to 70 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Lemon Grove, California
Source: ClinicalTrials.gov public record
Updated Feb 13, 2025 · Synced Oct 18, 2026, 4:00 AM EDT
Completed Phase 4 Interventional

IV Methadone Vs EXPAREL Erector Spinae Plane Blockade in Pediatric Subjects Undergoing Idiopathic Scoliosis Correction

NCT05730920
View directory record Official record
Conditions
Adolescent Idiopathic Scoliosis, Juvenile Idiopathic Scoliosis
Interventions
Methadone, Liposomal bupivacaine (LB, Exparel)
Drug
Lead sponsor
Dr. Casey Stondell, MD
Other
Eligibility
11 Years to 17 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Oct 4, 2024 · Synced Oct 18, 2026, 4:00 AM EDT
Completed Phase 1 Interventional

Treatment of Heroin and Cocaine With Methadone Maintenance and Contingency Management

NCT00292110
View directory record Official record
Conditions
Opiate-Related Disorders, Cocaine-Related Disorders
Interventions
Methadone, Contingency Management, Methadone dose, Contingency Management/Noncontingent Incentives
Drug · Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 65 Years
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 17, 2019 · Synced Oct 18, 2026, 4:00 AM EDT
Completed Not applicable Interventional

HIV and Hepatitis Care Coordination in Methadone Treatment

NCT00608192
View directory record Official record
Conditions
Hepatitis, Viral, Human, HIV Infections
Interventions
Testing, Education, & Counseling (TEC), Hepatitis Care Coordination (HCC)
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
489 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
2
States / cities
San Francisco, California • New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 16, 2013 · Synced Oct 18, 2026, 4:00 AM EDT
Completed Not applicable Interventional

Opioid and Pain Cognition

NCT04132609
View directory record Official record
Conditions
Pain
Interventions
Cognitive bias modification, Standard attentional bias
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
20 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 Jun 14, 2021 · Synced Oct 18, 2026, 4:00 AM EDT
Completed Not applicable Interventional Results available

Methadone in Ambulatory Surgery

NCT02300077
View directory record Official record
Conditions
Post-operative Pain, Anesthesia
Interventions
methadone, Control (Intra-operative administration of opioids, other than methadone)
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated May 17, 2019 · Synced Oct 18, 2026, 4:00 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Methadone and Ketamine for Spinal Surgery

NCT02827526
View directory record Official record
Conditions
Pain
Interventions
Ketamine, Control
Drug
Lead sponsor
Endeavor Health
Other
Eligibility
18 Years to 80 Years
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 21, 2021 · Synced Oct 18, 2026, 4:00 AM EDT