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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Methadone hydrochloride Clear all
Completed Not applicable Interventional Results available

Prolonged Exposure Therapy for PTSD and Opioid Use Disorder

NCT04104022
View directory record Official record
Conditions
Post Traumatic Stress Disorder, Opioid-use Disorder
Interventions
Prolonged Exposure Therapy, Attendance-based monetary incentives
Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Sep 28, 2026, 9:38 AM EDT
Completed Phase 1 Interventional Results available

Drug Interaction Study With BI 201335 and Methadone or Buprenorphine/Naloxone

NCT01637922
View directory record Official record
Conditions
Hepatitis C
Interventions
BI 201335
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years to 64 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
3
States / cities
Atlanta, Georgia • Overland Park, Kansas • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Aug 2, 2015 · Synced Sep 28, 2026, 9:38 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 28, 2026, 9:38 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 29, 2024 · Synced Sep 28, 2026, 9:38 AM EDT
Recruiting Phase 2 Interventional

Ketamine for Opioid Use Disorder

NCT06943859
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Treatment with Ketamine, Treatment with Very Low Dose Ketamine
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 28, 2026, 9:38 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Drug-drug Interaction Study of Bemnifosbuvir/Ruzasvir (BEM/RZR) and Buprenorphine/Naloxone or Methadone

NCT07314346
View directory record Official record
Conditions
Healthy Volunteer Study
Interventions
Buprenorphine/Naloxone + BEM/RZR, Methadone +BEM/RZR
Drug
Lead sponsor
Atea Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
3
States / cities
Hollywood, Florida • Overland Park, Kansas • Marlton, New Jersey
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Sep 28, 2026, 9:38 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 22, 2026 · Synced Sep 28, 2026, 9:38 AM EDT
Not listed No phase listed Observational

Evaluating the Pharmacokinetics and Patient Outcomes of Buprenorphine Microdosing

NCT05307458
View directory record Official record
Conditions
Opioid Use Disorder, Opioid Withdrawal
Interventions
Buprenorphine/naloxone
Drug
Lead sponsor
United Health Services Hospitals, Inc.
Other
Eligibility
18 Years and older
Enrollment
20 participants
Timeline
2022 – 2024
U.S. locations
1
States / cities
Binghamton, New York
Source: ClinicalTrials.gov public record
Updated May 25, 2023 · Synced Sep 28, 2026, 9:38 AM EDT
Completed Not applicable Interventional

Evaluating a Novel Medication Device for Methadone Dosing

NCT03254043
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
Take-home Dosing Procedures
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
Not listed
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 27, 2020 · Synced Sep 28, 2026, 9:38 AM EDT
Completed Phase 1 Interventional

Drug Discrimination in Methadone-Maintained Humans Study 3

NCT01068847
View directory record Official record
Conditions
Drug Dependence
Interventions
2-4 of the drugs listed below
Drug
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 65 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Mar 6, 2013 · Synced Sep 28, 2026, 9:38 AM 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 26, 2026 · Synced Sep 28, 2026, 9:38 AM EDT
Completed Not applicable Interventional

Comparison of Two Counseling Induction Strategies

NCT01141920
View directory record Official record
Conditions
Methadone, Drug Use Disorders
Interventions
low threshold care, stepped-based care
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 16, 2015 · Synced Sep 28, 2026, 9:38 AM EDT
Recruiting Phase 1 Interventional

MethaLoad Dose-Finding Study

NCT06877858
View directory record Official record
Conditions
Opioid Use Disorder (OUD)
Interventions
Methadone hydrochloride
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 13, 2025 · Synced Sep 28, 2026, 9:38 AM EDT
Completed No phase listed Observational

Fetal Neurobehavioral Development in Methadone Maintained Pregnancies

NCT00067184
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
Toitu 320/325
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
157 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2010
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 24, 2018 · Synced Sep 28, 2026, 9:38 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 28, 2026, 9:38 AM EDT
Recruiting Phase 2 Interventional

Remotely Observed Methadone Evaluation II

NCT06338280
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Sonara
Other
Lead sponsor
Sonara Health
Industry
Eligibility
18 Years to 64 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 26, 2026 · Synced Sep 28, 2026, 9:38 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 28, 2017 · Synced Sep 28, 2026, 9:38 AM EDT
Not yet recruiting Not applicable Interventional

Deep Transcranial Magnetic Stimulation for Tobacco Cessation in Adults With Opioid Use Disorder

NCT07770555
View directory record Official record
Conditions
Opioid Use Disorder, Tobacco Use Disorder
Interventions
Deep TMS System With H4 Coil
Device
Lead sponsor
Payel Roy
Other
Eligibility
22 Years to 70 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Sep 28, 2026, 9:38 AM EDT
Completed Phase 3 Interventional Results available

Insomnia and Drug Relapse Risk

NCT00253890
View directory record Official record
Conditions
Poor Quality Sleep, Opiate Addiction
Interventions
Trazodone, Placebo
Drug
Lead sponsor
Butler Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
137 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Dec 10, 2013 · Synced Sep 28, 2026, 9:38 AM EDT
Completed Not applicable Interventional

Dextromethorphan, Gabapentin, and Oxycodone to Treat Opioid-Induced Hyperalgesia

NCT00218374
View directory record Official record
Conditions
Hyperalgesia, Opioid-Related Disorders
Interventions
Gabapentin
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 55 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Sep 28, 2026, 9:38 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Dose Ranging Study in Healthy Methadone Maintenance Subjects

NCT00387491
View directory record Official record
Conditions
Adult
Interventions
MOA-728
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Nov 24, 2019 · Synced Sep 28, 2026, 9:38 AM EDT
Recruiting Phase 4 Interventional

Methadone for Post-operative Spine Surgery

NCT07517679
View directory record Official record
Conditions
Pain, Postoperative
Interventions
Methadone, Standard of care
Drug
Lead sponsor
Brandon Knopp
Other
Eligibility
18 Years to 120 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Sep 28, 2026, 9:38 AM EDT
Completed Not applicable Interventional Results available

Computer Based Treatment for Cognitive Behavioral Therapy and Cooperative Pain Education and Self-Management

NCT05204576
View directory record Official record
Conditions
Opioid Use Disorder, Chronic Pain
Interventions
CBT4CBT COPES
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
3
States / cities
Bridgeport, Connecticut • Danbury, Connecticut • Waterbury, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Sep 28, 2026, 9:38 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Study of D-Methadone in Patients With Chronic Pain

NCT00588640
View directory record Official record
Conditions
Pain, Bladder Cancer, Breast Cancer, CNS Cancer, Colon Cancer, Esophageal Cancer, Pancreatic Cancer, Prostate Cancer, Uterine Cancer, Head and Neck Cancer, Eye Cancer, Otorhinolaryngologic Neoplasms
Interventions
D-methadone, placebo
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 9, 2016 · Synced Sep 28, 2026, 9:38 AM EDT