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Showing 1–24 of 373 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: methadone hydrochloride Clear all
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 May 31, 2022 · Synced Sep 10, 2026, 3:35 AM 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 19, 2013 · Synced Sep 10, 2026, 3:35 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Outcome Inference in the Sensory Preconditioning Task in Opioid-Use Disorder

NCT03745339
View directory record Official record
Conditions
Opioid-Related Disorders, Drug Addiction
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Years to 60 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Sep 10, 2026, 3:35 AM EDT
Recruiting Phase 2 Interventional

E-Cigarettes for Harm Reduction in Smokers With Opioid Use Disorder

NCT05722561
View directory record Official record
Conditions
Opioid Use Disorder, Cigarette Smoking
Interventions
Telehealth Motivational Counseling, Nicotine Replacement Product, National Institute on Drug Abuse (NIDA) Standardized Research Electronic Cigarette (SREC).
Behavioral · Drug · Device
Lead sponsor
NYU Langone Health
Other
Eligibility
21 Years to 75 Years
Enrollment
302 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
2
States / cities
New York, New York • The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced Sep 10, 2026, 3:35 AM EDT
Completed Not applicable Interventional Results available

Pilot of Mindfulness Oriented Recovery Enhancement in MethadoneTreatment

NCT03894501
View directory record Official record
Conditions
Opioid Use, Chronic Pain
Interventions
Mindfulness Oriented Recovery Enhancement, Methadone program behavioral treatment as usual
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Jan 10, 2022 · Synced Sep 10, 2026, 3:35 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Optimization of Pediatric Tonsillectomy to IMprove AnaLgesia

NCT06576830
View directory record Official record
Conditions
Pain, Postoperative, Tonsillar Hypertrophy, Tonsillitis, Pediatric Sleep Apnea, Sleep-Disordered Breathing
Interventions
Methadone, Fentanyl/Hydromorphone
Drug
Lead sponsor
Duke University
Other
Eligibility
3 Years to 17 Years
Enrollment
440 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 4, 2025 · Synced Sep 10, 2026, 3:35 AM EDT
Completed No phase listed Observational

The Heroes Circle Opioid Project

NCT03595007
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
Kids Kicking Cancer program
Behavioral
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 75 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 29, 2024 · Synced Sep 10, 2026, 3:35 AM 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 17, 2023 · Synced Sep 10, 2026, 3:35 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Intraoperative Methadone Administration for Improved Pain Control in Spinal Fusion Patients

NCT02989597
View directory record Official record
Conditions
Pain, Postoperative
Interventions
Methadone Hydrochloride, Standard pain regimen, Spinal Fusion Surgery, Dexamethasone, Ketamine, Remifentanil, Sufentanil
Drug · Other · Procedure
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated May 21, 2023 · Synced Sep 10, 2026, 3:35 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Oral Cannabidiol for Opioid Withdrawal

NCT04238754
View directory record Official record
Conditions
Opioid Withdrawal, Opioid Craving, Opioid Use Disorder
Interventions
Epidiolex, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 75 Years
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 28, 2023 · Synced Sep 10, 2026, 3:35 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Methadone Patient Access to Collaborative Treatment

NCT06556602
View directory record Official record
Conditions
Opioid Use Disorder, Staff, Patients
Interventions
MPACT
Other
Lead sponsor
University of Arizona
Other
Eligibility
18 Years and older
Enrollment
1,080 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Sep 10, 2026, 3:35 AM EDT
Completed No phase listed Observational

The CORE Buprenorphine Project - An HIV Primary Care Program Demonstration

NCT00227357
View directory record Official record
Conditions
HIV Infections, AIDS, Opiate Dependence, Post-Traumatic Stress Disorders
Interventions
On-site - buprenorphine/naloxone (Suboxone), Off-site - methadone or no agonist
Drug
Lead sponsor
Ruth M. Rothstein CORE Center
Other
Eligibility
18 Years and older
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 6, 2010 · Synced Sep 10, 2026, 3:35 AM EDT
Completed Phase 1 Interventional

A Study to Assess the Drug-drug Interaction of BMS 663068 With Methadone and Also With Buprenorphine/Naloxone

NCT02666001
View directory record Official record
Conditions
Infection, Human Immunodeficiency Virus
Interventions
BMS-663068, Methadone, Buprenorphine and Norbuprenorphine
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
2
States / cities
Orlando, Florida • Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Aug 8, 2017 · Synced Sep 10, 2026, 3:35 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 13, 2021 · Synced Sep 10, 2026, 3:35 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 25, 2024 · Synced Sep 10, 2026, 3:35 AM EDT
Completed Phase 3 Interventional

Behavioral Drug and HIV Risk Reduction Counseling in Methadone Patients in China

NCT00757744
View directory record Official record
Conditions
Opiate Dependence, HIV Infections
Interventions
Behavioral Drug and HIV Risk Reduction Counseling (BDRC), Drug counseling
Behavioral
Lead sponsor
Yale University
Other
Eligibility
20 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 29, 2020 · Synced Sep 10, 2026, 3:35 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug Interaction Study Of Filibuvir With Methadone Among Subjects On Chronic Methadone Maintenance

NCT01210404
View directory record Official record
Conditions
Chronic Hepatitis C
Interventions
filibuvir
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
2
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 6, 2011 · Synced Sep 10, 2026, 3:35 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Ketamine for OUD and Comorbid Depression (OUDCD)

NCT05051449
View directory record Official record
Conditions
Opioid Use Disorder, Depressive Disorder
Interventions
Ketamine Hydrochloride
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 65 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 6, 2024 · Synced Sep 10, 2026, 3:35 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Neurocognitive Effects of Opiate Agonist Treatment

NCT01733693
View directory record Official record
Conditions
Opioid-Related Disorders, HIV, HIV Infections
Interventions
Buprenorphine, Methadone
Drug
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
18 Years to 68 Years
Enrollment
135 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
2
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Feb 10, 2022 · Synced Sep 10, 2026, 3:35 AM EDT
Completed Phase 2 Interventional

Brief Introductory Therapy for Opioid Dependence

NCT00406484
View directory record Official record
Conditions
Opiate Dependence, HIV Infections
Interventions
Standard drug counseling, BDRC
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
2
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 1, 2020 · Synced Sep 10, 2026, 3:35 AM EDT
Completed Phase 2 Interventional

Comparison of Buprenorphine and Methadone - 3

NCT00000334
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
Buprenorphine
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
23 Years to 45 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jan 30, 2017 · Synced Sep 10, 2026, 3:35 AM EDT
Completed Phase 1 Interventional

Reducing Drug Use and HIV Risk in Drug-dependent Adults Arrested for Prostitution

NCT01560221
View directory record Official record
Conditions
Substance-related Disorders, HIV Risk Behavior
Interventions
Therapeutic Workplace, Methadone, Buprenorphine
Behavioral · Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 10, 2014 · Synced Sep 10, 2026, 3:35 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact on Opioid Use of Bundling Medication-assisted Treatment With mHealth

NCT02712034
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
MAT + A-CHESS, MAT
Behavioral · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
417 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 13, 2020 · Synced Sep 10, 2026, 3:35 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

CoMBAT Opioid Use Disorder: A Combined Medication and Behavioral Activation Treatment for People Living With Opioid Use Disorder

NCT04240093
View directory record Official record
Conditions
Opioid-use Disorder, Medication Adherence, Health Care Utilization
Interventions
Behavioral Activation (BA) Therapy, Substance Abuse and Health Navigation Counseling, Medications for Opioid Use Disorder
Behavioral · Other
Lead sponsor
Brown University
Other
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated May 25, 2023 · Synced Sep 10, 2026, 3:35 AM EDT