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Showing 1–24 of 65 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Methadone Dependence Clear all
Completed Early Phase 1 Interventional Accepts healthy volunteers

Methadone Oxytocin Option

NCT01728909
View directory record Official record
Conditions
Substance Abuse, Opioid Dependence, Methadone Treatment
Interventions
Oxytocin, Saline Nasal Spray
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Male only
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 20, 2019 · Synced Jul 23, 2026, 3:29 PM EDT
Completed Not applicable Interventional Results available

Cocaine Withdrawal and Pharmacotherapy Response

NCT00566969
View directory record Official record
Conditions
Cocaine Dependence, Opiate Dependence
Interventions
sugar pill, Carvedilol 25 mg, Carvedilol 50 mg
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 1, 2020 · Synced Jul 23, 2026, 3:29 PM EDT
Terminated Phase 3 Interventional

Study of Probuphine in Patients With Opioid Dependence

NCT00772785
View directory record Official record
Conditions
Opioid Dependency
Interventions
Probuphine (buprenorphine implant)
Drug
Lead sponsor
Titan Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
North Miami, Florida
Source: ClinicalTrials.gov public record
Updated Dec 30, 2018 · Synced Jul 23, 2026, 3:29 PM 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 30, 2018 · Synced Jul 23, 2026, 3:29 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Aripiprazole for Prevention of Relapse to Cocaine Use in Methadone-Maintenance Patients

NCT00780702
View directory record Official record
Conditions
Cocaine Dependence, Cocaine-Related Disorders, Opioid-Related Disorders
Interventions
Airipiprazole, Placebo
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 60 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 15, 2019 · Synced Jul 23, 2026, 3:29 PM EDT
Completed Phase 1 Interventional

Diversion to Treatment for Injection Drug Users Arrested for Possession of Heroin

NCT01723527
View directory record Official record
Conditions
Cocaine-Related Disorders, HIV, Heroin Dependence
Interventions
Methadone, Buprenorphine, Employment-based drug abstinence reinforcement
Drug · Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
1 participant
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 Jul 23, 2026, 3:29 PM 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 1, 2018 · Synced Jul 23, 2026, 3:29 PM 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 22, 2018 · Synced Jul 23, 2026, 3:29 PM EDT
Completed Phase 2 Interventional

Effects of Dextromethorphan on Opioid Tolerance in Methadone Patients - 1

NCT00000352
View directory record Official record
Conditions
Opioid-Related Disorders, Substance-Related Disorders
Interventions
Dextromethorphan
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Years to 55 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 1998
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Jul 23, 2026, 3:29 PM 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 30, 2018 · Synced Jul 23, 2026, 3:29 PM EDT
Completed Phase 2 Interventional

Incentive-based Smoking Cessation for Methadone Patients

NCT00718835
View directory record Official record
Conditions
Cigarette Smoking Among Patients Currently Receiving Methadone or Buprenorphine Treatment for Opioid Dependence
Interventions
incentive-based contingency management
Behavioral
Lead sponsor
University of Vermont Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Feb 20, 2014 · Synced Jul 23, 2026, 3:29 PM EDT
Completed Phase 2 Interventional Results available

Gabapentin Treatment of Benzodiazepine Abuse in Methadone Maintenance Patients

NCT00420771
View directory record Official record
Conditions
Benzodiazepine Dependence, Opioid Dependence
Interventions
Gabapentin, Placebo
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Long Island City, New York
Source: ClinicalTrials.gov public record
Updated Apr 23, 2019 · Synced Jul 23, 2026, 3:29 PM EDT
Completed Phase 2 Interventional

Evaluation of L-alpha-acetylmethadol (LAAM) in Methadone Patients - 5

NCT00000356
View directory record Official record
Conditions
Opioid-Related Disorders, Substance-Related Disorders
Interventions
LAAM
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
1991 – 1992
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Jul 23, 2026, 3:29 PM EDT
Completed Not applicable Interventional Results available

Testing a Community-Friendly Risk Reduction Intervention for Injection Drug Users

NCT01741350
View directory record Official record
Conditions
HIV, Opioid Dependence
Interventions
Community-friendly Health Recovery Program, Time-and-Attention-Matched Control Condition
Behavioral
Lead sponsor
University of Connecticut
Other
Eligibility
18 Years and older
Enrollment
304 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 26, 2014 · Synced Jul 23, 2026, 3:29 PM EDT
Completed Phase 4 Interventional

Effects of Buspirone in Opiate Withdrawal

NCT00326235
View directory record Official record
Conditions
Heroin Dependence
Interventions
Buspirone
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
25 Years to 55 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2004
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Jul 23, 2026, 3:29 PM EDT
Completed No phase listed Observational

The Effects of Methadone and Buprenorphine on Fetal Neurobehavior and Infant Neonatal Abstinence Syndrome - 1

NCT00218621
View directory record Official record
Conditions
Opiate Dependence, Pregnancy
Interventions
Buprenorphine / methadone
Procedure
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 20, 2013 · Synced Jul 23, 2026, 3:29 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Disulfiram for Cocaine Abuse

NCT00395850
View directory record Official record
Conditions
Cocaine Dependence
Interventions
Disulfiram
Drug
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 65 Years
Enrollment
118 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Nov 12, 2013 · Synced Jul 23, 2026, 3:29 PM EDT
Completed Phase 3 Interventional Results available

RCT Comparing Methadone and Buprenorphine in Pregnant Women

NCT00271219
View directory record Official record
Conditions
Opioid Related Disorders, Pregnancy, Opioid Dependence
Interventions
Methadone, Buprenorphine
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 41 Years · Female only
Enrollment
175 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
6
States / cities
Baltimore, Maryland • Detroit, Michigan • Philadelphia, Pennsylvania + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 4, 2015 · Synced Jul 23, 2026, 3:29 PM 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 Jul 23, 2026, 3:29 PM EDT
Completed Phase 3 Interventional

Safety and Efficacy of Probuphine in the Treatment of Opioid Dependence

NCT00447564
View directory record Official record
Conditions
Opioid Dependence
Interventions
Probuphine, placebo
Drug
Lead sponsor
Titan Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
163 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
18
States / cities
Los Angeles, California • National City, California • Oceanside, California + 14 more
Source: ClinicalTrials.gov public record
Updated Dec 30, 2018 · Synced Jul 23, 2026, 3:29 PM EDT
Completed Not applicable Interventional Results available

Efficacy of Varenicline in Methadone-Stabilized Cocaine Users

NCT00567320
View directory record Official record
Conditions
Cocaine Dependence, Nicotine Dependence
Interventions
Varenicline, Sugar pill or Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 1, 2020 · Synced Jul 23, 2026, 3:29 PM EDT
Completed Phase 4 Interventional

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 Jun 3, 2026 · Synced Jul 23, 2026, 3:29 PM EDT
Completed Phase 1 Interventional

Cognitive-Behavioral Therapy for Pain and Opioid Dependence in Methadone Maintenance Treatment

NCT01334580
View directory record Official record
Conditions
Chronic Pain, Opiate Dependence
Interventions
Cognitive-Behavioral Therapy for Pain and Opioid Dependence, Methadone Drug Counseling
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 2, 2020 · Synced Jul 23, 2026, 3:29 PM 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 Jul 23, 2026, 3:29 PM EDT