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ClinicalTrials.gov public records Last synced Oct 17, 2026, 9:27 AM EDT

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Showing 49–72 of 374 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Methadone Clear all
Recruiting Phase 2Phase 3 Interventional

Divided or Single Exposure (DOSE) Study

NCT05459402
View directory record Official record
Conditions
Opioid Use Disorder, Chronic Pain, Methadone
Interventions
Methadone (100% dose), Methadone (50% dose)
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 100 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 3, 2026 · Synced Oct 17, 2026, 9:27 AM EDT
Completed Phase 1Phase 2 Interventional

Yoga for Pain and Opioid Dependence

NCT01590251
View directory record Official record
Conditions
Chronic Pain, Opioid Addiction
Interventions
Yoga, Educational Counseling
Other · Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 25, 2015 · Synced Oct 17, 2026, 9:27 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 5, 2025 · Synced Oct 17, 2026, 9:27 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

A Study of Ulonivirine (MK-8507) and Methadone in Healthy Volunteers (MK-8507-019)

NCT07595263
View directory record Official record
Conditions
Healthy
Interventions
Ulonivirine, 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 – 2027
U.S. locations
1
States / cities
Anniston, Alabama
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Oct 17, 2026, 9:27 AM EDT
Completed Not applicable Interventional Results available

Methadone in Pediatric and Adult Sickle Cell Patients

NCT00761085
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Morphine, Methadone
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
7 Years to 40 Years
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 22, 2020 · Synced Oct 17, 2026, 9:27 AM EDT
Completed Not applicable Interventional

Remotely Observed Methadone Evaluation

NCT06200740
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Sonara
Device
Lead sponsor
Sonara Health
Industry
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Roseburg, Oregon
Source: ClinicalTrials.gov public record
Updated Jan 11, 2024 · Synced Oct 17, 2026, 9:27 AM EDT
Completed Not applicable Interventional

Vouchers vs. Prizes for Methadone Patients - 1

NCT00249522
View directory record Official record
Conditions
Substance Abuse
Interventions
Contingency management
Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years and older
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 12, 2017 · Synced Oct 17, 2026, 9:27 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 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 17, 2026, 9:27 AM EDT
Enrolling by invitation Not applicable Interventional

TRTME: Improving Outpatient Initiation of Medication for Opioid Use Disorder Following Hospitalization

NCT07780097
View directory record Official record
Conditions
Opioid Use Disorder, Opioid Use Disorder, Moderate, Opioid Use Disorder, Severe
Interventions
TRTME
Behavioral
Lead sponsor
T. John Winhusen, PhD
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 17, 2026, 9:27 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Fetal and Infant Effects of Maternal Buprenorphine Treatment

NCT01561079
View directory record Official record
Conditions
Neonatal Abstinence Syndrome
Interventions
Buprenorphine
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
127 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 26, 2017 · Synced Oct 17, 2026, 9:27 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

A Trial of Directly Observed and Long-term Varenicline

NCT03365362
View directory record Official record
Conditions
Tobacco Use Disorder, Opioid-use Disorder
Interventions
Long-Term Varenicline, Short-Term Varenicline, Directly Observed Therapy, Self Administered Therapy
Drug · Behavioral
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
18 Years and older
Enrollment
243 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Aug 30, 2024 · Synced Oct 17, 2026, 9:27 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Islatravir and Methadone Pharmacokinetics (MK-8591-029)

NCT04568603
View directory record Official record
Conditions
HIV-1 Infection
Interventions
Islatravir
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
2
States / cities
Hollywood, Florida • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jan 28, 2025 · Synced Oct 17, 2026, 9:27 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Investigation of the Pharmacokinetic Profile of CBD

NCT05269706
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Cannabidiol 200mg, Epidiolex, Cannabidiol 400mg, Placebo
Drug
Lead sponsor
Yasmin Hurd
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 14, 2025 · Synced Oct 17, 2026, 9:27 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 30, 2020 · Synced Oct 17, 2026, 9:27 AM EDT
Completed Phase 2 Interventional Results available

Comparison of A Single Dose Combination of Methadone and Morphine With Morphine Alone for Treating Post-operative Pain

NCT00142519
View directory record Official record
Conditions
Pain
Interventions
Methadone, methadone and morphine
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 15, 2019 · Synced Oct 17, 2026, 9:27 AM EDT
Completed Phase 4 Interventional Results available

Smoking Cessation Treatment for Methadone Maintenance Patients

NCT01027754
View directory record Official record
Conditions
Smoking Cessation, Substance-Related Disorders
Interventions
Varenicline, Placebo
Drug
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
18 Years and older
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated May 26, 2021 · Synced Oct 17, 2026, 9:27 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Epidural Methadone in Healthy Volunteers

NCT03525509
View directory record Official record
Conditions
Pain, Acute
Interventions
Methadone hydrochloride, Morphine Sulfate
Drug
Lead sponsor
simon.haroutounian
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 18, 2019 · Synced Oct 17, 2026, 9:27 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Single Dose IV Methadone for Post-Op Pain

NCT05425420
View directory record Official record
Conditions
Pain, Postoperative
Interventions
methadone hydrochloride 0.1mg/kg
Drug
Lead sponsor
Kanecia Obie Zimmerman
Other
Eligibility
18 Years to 40 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 10, 2025 · Synced Oct 17, 2026, 9:27 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study Evaluating MOA-728 in Subjects on Stable Methadone Maintenance

NCT00447811
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
Willingboro, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 25, 2019 · Synced Oct 17, 2026, 9:27 AM EDT
Active, not recruiting Phase 3 Interventional

Understanding How Methadone Treatment During Surgery Affects Pain Levels and the Need for Pain Medications After Surgery

NCT05417100
View directory record Official record
Conditions
Spinal Surgery
Interventions
Methadone
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years to 75 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 27, 2026 · Synced Oct 17, 2026, 9:27 AM EDT
Completed Phase 1 Interventional Results available

Developing a Smoking Cessation Intervention for Methadone Maintained Smokers

NCT01393392
View directory record Official record
Conditions
Nicotine Dependence, Opiate Dependence
Interventions
Intensive, tailored intervention, NJ Quitline Referral
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 6, 2018 · Synced Oct 17, 2026, 9:27 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Pharmacotherapy Dosing Regimen in Cocaine and Opiate Dependent Individuals - 8

NCT00218036
View directory record Official record
Conditions
Cocaine Abuse, Opiate Dependence
Interventions
Modafinil 200mg, Modafinil 400mg, Citalopram 20mg, Citalopram 40mg, Placebo
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
22 Years to 50 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 16, 2018 · Synced Oct 17, 2026, 9:27 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Acceptance Therapy During Methadone Detoxification

NCT00439036
View directory record Official record
Conditions
Opiate Dependence
Interventions
Behavior Therapy, Drug Counseling
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
25 Years to 60 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2012
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 6, 2013 · Synced Oct 17, 2026, 9:27 AM EDT
Not listed Early Phase 1 Interventional

Digital Support Intervention for Pregnant People with Opioid Use Disorders

NCT06652880
View directory record Official record
Conditions
Digital Intervention, Bibliotherapy
Interventions
Digital technology, Bibliotherapy
Device · Other
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Feb 17, 2025 · Synced Oct 17, 2026, 9:27 AM EDT