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ClinicalTrials.gov public records Last synced Oct 18, 2026, 5:48 AM EDT

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Showing 313–336 of 374 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Methadone Clear all
Completed Not applicable Interventional Results available

Varenicline Smoking Cessation Treatment for Methadone Maintenance Patients

NCT01378858
View directory record Official record
Conditions
Tobacco Use Disorder, Medication Adherence
Interventions
Varenicline
Drug
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Mar 11, 2021 · Synced Oct 18, 2026, 5:48 AM EDT
Not yet recruiting Phase 3 Interventional

PO Methadone Ortho Outpatient

NCT06351215
View directory record Official record
Conditions
Arthroscopic Knee Repair, Arthroscopic Hip Repair
Interventions
Methadone group, Placebo
Drug
Lead sponsor
Keck School of Medicine of USC
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 5, 2025 · Synced Oct 18, 2026, 5:48 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Study of Dexmedetomidine in Spine Surgery

NCT01850017
View directory record Official record
Conditions
Collapse of Thoracic Vertebra, Collapse of Lumbar Vertebrae
Interventions
Dexmedetomidine
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 80 Years
Enrollment
142 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated May 5, 2017 · Synced Oct 18, 2026, 5:48 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Clinician Practice Companion to Address Youth Substance Use

NCT07725289
View directory record Official record
Conditions
Substance Use, Substance-Related Disorders, Adolescent Substance Use, Cannabis Use, Opioid Use Disorder, Drug Overdose, Overdose Prevention, Co-occurring Mental Health Conditions
Interventions
Practice Companion
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
14 Years to 24 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 18, 2026, 5:48 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 25, 2018 · Synced Oct 18, 2026, 5:48 AM EDT
Completed Phase 2 Interventional Results available

Galantamine to Enhance Cognitive Behavioral Therapy for Cocaine Abuse

NCT00809835
View directory record Official record
Conditions
Cocaine Dependence
Interventions
Galantamine, Computer Assisted Cognitive Behavioral Therapy (CBT)
Drug · Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 50 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2015
U.S. locations
2
States / cities
Bridgeport, Connecticut • Stratford, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 30, 2019 · Synced Oct 18, 2026, 5:48 AM EDT
Completed Phase 2 Interventional

Early Phase II Trials for Cocaine Medication Development - 1

NCT00000317
View directory record Official record
Conditions
Cocaine-Related Disorders, Substance-Related Disorders
Interventions
Risperidone, Placebo, Relapse prevention counseling
Drug · Behavioral
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 1999
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 26, 2017 · Synced Oct 18, 2026, 5:48 AM EDT
Completed Phase 4 Interventional Results available

Methadone-Maintained Smokers Switching to E-Cigarettes

NCT05206435
View directory record Official record
Conditions
Nicotine Dependence, Electronic Cigarette Use
Interventions
Electronic Cigarette, Nicotine Lozenge
Drug
Lead sponsor
Butler Hospital
Other
Eligibility
21 Years to 65 Years
Enrollment
183 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Oct 18, 2026, 5:48 AM EDT
Completed Not applicable Interventional

Contingency Outcomes in Prolonged Exposure

NCT01693978
View directory record Official record
Conditions
Posttraumatic Stress Disorder, Substance Use Disorder
Interventions
Prolonged Exposure Therapy, Voucher-Based Reinforcement
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 100 Years
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 31, 2016 · Synced Oct 18, 2026, 5:48 AM EDT
Terminated Phase 3 Interventional Results available

Morphine Versus Methadone As First Line Strong Opioid for Cancer Pain

NCT00634010
View directory record Official record
Conditions
Advanced Cancer, Solid Tumors
Interventions
Morphine, Methadone
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
3
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 9, 2016 · Synced Oct 18, 2026, 5:48 AM EDT
Terminated Phase 2 Interventional

Opioid Agonist and Antagonist Effects on Opioid Dependence

NCT00142727
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
Methadone, Full opioid agonist, Partial opioid agonist, Opioid antagonist
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 55 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 12, 2017 · Synced Oct 18, 2026, 5:48 AM EDT
Completed Phase 4 Interventional Results available

Optimizing Outpatient Anesthesia (OSPREy-Outpatient Surgery Pain Relief Enhancement)

NCT03726268
View directory record Official record
Conditions
Opioid Use, Pain, Postoperative
Interventions
Methadone, Fentanyl, Hydromorphone, Morphine, Sufentanil
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 65 Years
Enrollment
907 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 19, 2025 · Synced Oct 18, 2026, 5:48 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Medications for Opioid Use Disorder Photosensitive Retinal Ganglion Cell Function, Sleep, and Circadian Rhythms: Implications for Treatment

NCT06104280
View directory record Official record
Conditions
Opioid Use Disorder, Sleep Disturbance
Interventions
Post-Illumination Pupillary Response (PIPR), Polysomnography, Multiple Sleep Latency Test, Ecological Momentary Assessments, Actigraphy, DLMO, Melatonin Suppression Test
Other · Behavioral · Device
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 80 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Oct 18, 2026, 5:48 AM EDT
Completed No phase listed Observational

MOms in REcovery (MORE) Study: Defining Optimal Care

NCT04251208
View directory record Official record
Conditions
Opioid-Related Disorders, NAS, Substance Use Disorders
Interventions
Observational Study
Other
Lead sponsor
Trustees of Dartmouth College
Other
Eligibility
16 Years to 50 Years · Female only
Enrollment
444 participants
Timeline
2019 – 2024
U.S. locations
10
States / cities
Augusta, Maine • Bangor, Maine • Keene, New Hampshire + 6 more
Source: ClinicalTrials.gov public record
Updated Apr 9, 2024 · Synced Oct 18, 2026, 5:48 AM EDT
Recruiting Not applicable Interventional

Sparrow Link Neuromodulation Device for Opioid Withdrawal Management in Hospitalized Adults With Opioid Use Disorder

NCT07079826
View directory record Official record
Conditions
Opioid Withdrawal, Opioid Use Disorder (OUD)
Interventions
Sparrow Link (Active tAN), Sparrow Link (Sham tAN)
Device
Lead sponsor
Payel Roy
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Oct 18, 2026, 5:48 AM EDT
Completed Not applicable Interventional Results available

Intensive Models of HCV Care for Injection Drug Users

NCT01857245
View directory record Official record
Conditions
Hepatitis C, Medication Adherence
Interventions
Intensive Models (mDOT and CGT) of HCV Care
Other
Lead sponsor
Prisma Health-Upstate
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Greenville, South Carolina
Source: ClinicalTrials.gov public record
Updated Feb 3, 2025 · Synced Oct 18, 2026, 5:48 AM EDT
Recruiting Phase 4 Interventional

Office-based Methadone Versus Buprenorphine to Address Retention in Medication for Opioid Use Disorder Treatment.

NCT06323824
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Methadone, Buprenorphine (BUP)
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 99 Years
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
6
States / cities
Oakland, California • San Francisco, California • Denver, Colorado + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Oct 18, 2026, 5:48 AM EDT
Terminated Phase 3 Interventional

A Bioavailability and Safety Study of Probuphine Versus Sublingual Buprenorphine in Patients With Opioid Dependence

NCT00768482
View directory record Official record
Conditions
Opioid Dependence
Interventions
Probuphine (buprenorphine implant), Sublingual Buprenorphine
Drug
Lead sponsor
Titan Pharmaceuticals
Industry
Eligibility
18 Years to 75 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
1
States / cities
Fort Lauderdale, Florida
Source: ClinicalTrials.gov public record
Updated Dec 31, 2018 · Synced Oct 18, 2026, 5:48 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 3, 2015 · Synced Oct 18, 2026, 5:48 AM EDT
Completed Phase 3 Interventional

Extension to Safety and Efficacy of Probuphine in the Treatment of Opioid Dependence

NCT00630201
View directory record Official record
Conditions
Opioid Dependence
Interventions
Probuphine (buprenorphine implant)
Drug
Lead sponsor
Titan Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
15
States / cities
Los Angeles, California • National City, California • Jacksonville, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Dec 31, 2018 · Synced Oct 18, 2026, 5:48 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effects of Hallucinogens and Other Drugs on Mood and Performance

NCT02033707
View directory record Official record
Conditions
Healthy
Interventions
Hallucinogens and psychoactive substances
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 50 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 16, 2019 · Synced Oct 18, 2026, 5:48 AM EDT
Withdrawn Not applicable Interventional

Neurostimulation for Opiate Withdrawal in the PICU

NCT03975192
View directory record Official record
Conditions
Opiate Withdrawal Syndrome
Interventions
Percutaneous Electrical Nerve Field Stimulation
Device
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
5 Years to 17 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 26, 2020 · Synced Oct 18, 2026, 5:48 AM EDT
Completed Not applicable Interventional Results available

Skills Based Counseling for Adherence and Depression in HIV+ Methadone Patients - 1

NCT00218634
View directory record Official record
Conditions
Adherence, Depression, Heroin Dependence, Methadone, Motivational Interviewing, Substance-Related Disorders
Interventions
CBT-AD, ETAU
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 2, 2018 · Synced Oct 18, 2026, 5:48 AM EDT
Completed Phase 1 Interventional

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

NCT01558934
View directory record Official record
Conditions
Opioid Dependence, Methadone Withdrawal Syndrome
Interventions
Lofexidine HCl
Drug
Lead sponsor
USWM, LLC (dba US WorldMeds)
Industry
Eligibility
18 Years to 60 Years
Enrollment
6 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 Feb 23, 2018 · Synced Oct 18, 2026, 5:48 AM EDT