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Showing 1–24 of 372 matching trials from the live ClinicalTrials.gov search.
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Completed No phase listed Observational

Effect of Heroin Use on Immune Activation and Cardiovascular Risk in HIV

NCT03976258
View directory record Official record
Conditions
HIV Infection, Opioid-use Disorder, Cardiovascular Diseases
Interventions
buprenorphine/naloxone, Methadone, Naltrexone Injection, Heroin
Drug
Lead sponsor
MetroHealth Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
2
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 1, 2023 · Synced Sep 3, 2026, 2:31 AM EDT
Active, not recruiting 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 16, 2025 · Synced Sep 3, 2026, 2:31 AM EDT
Completed Phase 4 Interventional

Attention Training for Opioid-maintained Cocaine Users

NCT01870882
View directory record Official record
Conditions
Addiction, Cocaine, Methadone, Opiates
Interventions
Attentional retraining, Control condition
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 1, 2020 · Synced Sep 3, 2026, 2:31 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Oxytocin and Cognitive Behavioral Therapy in Drug Dependence

NCT00975416
View directory record Official record
Conditions
Drug Dependence
Interventions
Cognitive Behavioral Therapy, Intranasal Oxytocin, Placebo
Behavioral · Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 65 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 19, 2015 · Synced Sep 3, 2026, 2:31 AM EDT
Recruiting Phase 2 Interventional

Acetazolamide in Central Sleep Apnea Patients Using Medication for Opioid Use Disorder

NCT06521476
View directory record Official record
Conditions
Central Sleep Apnea Comorbid With Opioid Use
Interventions
Acetazolamide, Placebo
Drug
Lead sponsor
Sanjay R Patel
Other
Eligibility
18 Years to 100 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Sep 3, 2026, 2:31 AM EDT
Completed Not applicable Interventional Results available

The Long-Term Treatment of Drug Addiction and Unemployment

NCT02487745
View directory record Official record
Conditions
Substance Abuse, Intravenous
Interventions
Abstinence-contingent wage supplements, Individual Placement and Support (IPS) supported employment
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 10, 2022 · Synced Sep 3, 2026, 2:31 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 1, 2018 · Synced Sep 3, 2026, 2:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pilot Study of Methadone Patient Access to Collaborative Treatment: a HEAL Initiative

NCT06513728
View directory record Official record
Conditions
Opioid Substitution Treatment Clinics, Patients, Staff
Interventions
MPACT Intervention
Other
Lead sponsor
University of Arizona
Other
Eligibility
18 Years and older
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 7, 2025 · Synced Sep 3, 2026, 2:31 AM EDT
Completed Not applicable Interventional Results available

Reengineering Methadone Treatment Study of Patient-centered Methadone Treatment

NCT01442493
View directory record Official record
Conditions
Opiate Dependence
Interventions
Patient-Centered Methadone Treatment, Methadone Treatment as usual
Other
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 28, 2017 · Synced Sep 3, 2026, 2:31 AM EDT
Completed Not applicable Interventional

Employment-based Reinforcement to Motivate Drug Abstinence in the Treatment of Drug Addiction. - 2

NCT00249457
View directory record Official record
Conditions
Behavior, Addictive, Cocaine Abuse, Cocaine Dependence, Heroin Dependence, Opioid Dependence
Interventions
Contingency management
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2006
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 29, 2017 · Synced Sep 3, 2026, 2:31 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 15, 2018 · Synced Sep 3, 2026, 2:31 AM EDT
Completed Early Phase 1 Interventional Results available

Galantamine and CBT4CBT Pilot to Prevent Relapse.

NCT03547622
View directory record Official record
Conditions
Methadone or Buprenorphine Detoxoxification
Interventions
MAT taper with galantamine, MAT taper with placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 18, 2022 · Synced Sep 3, 2026, 2:31 AM EDT
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 3, 2026, 2:31 AM EDT
Completed Not applicable Interventional Results available

Fostering MAT Use in Justice Populations

NCT04363320
View directory record Official record
Conditions
Opioid-use Disorder, Recidivism
Interventions
NIATx Coaching, ECHO
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
256 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 27, 2025 · Synced Sep 3, 2026, 2:31 AM 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 Sep 3, 2026, 2:31 AM EDT
Not listed Phase 1 Interventional

Hyperalgesia in Methadone Patients: Can it be Treated?

NCT00333242
View directory record Official record
Conditions
Opioid-induced Hyperalgesia
Interventions
dextromethorphan
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2002
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 10, 2017 · Synced Sep 3, 2026, 2:31 AM EDT
Completed Not applicable Interventional

A Prospective Trial to Assess Cost and Clinical Outcomes of a Clinical Pharmacogenomic Program

NCT02297126
View directory record Official record
Conditions
Adverse Drug Reaction
Interventions
Pharmacogenetic Intervention Arm (pharmacogenetic testing)
Other
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
4,465 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jan 7, 2021 · Synced Sep 3, 2026, 2:31 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug Interaction & Methadone & Buprenorphine

NCT02045693
View directory record Official record
Conditions
Hepatitis C
Interventions
Methadone, DCV 3DAA FDC, BMS-791325, Buprenorphine, Naloxone
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
3
States / cities
Anaheim, California • Philadelphia, Pennsylvania • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jun 16, 2014 · Synced Sep 3, 2026, 2:31 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Mirtazapine and Methamphetamine Drug-drug Interaction Study

NCT04614584
View directory record Official record
Conditions
Methamphetamine Use Disorder, Drug Interaction, Cardiovascular Abnormalities
Interventions
Mirtazapine, Methamphetamine
Drug
Lead sponsor
San Francisco Department of Public Health
Government
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
3
States / cities
Los Angeles, California • San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 26, 2024 · Synced Sep 3, 2026, 2:31 AM 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 Sep 3, 2026, 2:31 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Methadone for Emergence Delirium in Children Undergoing Outpatient Strabismus Surgery

NCT03778372
View directory record Official record
Conditions
Emergence Delirium, Strabismus
Interventions
Methadone
Drug
Lead sponsor
Ochsner Health System
Other
Eligibility
0 Years to 18 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Jefferson, Louisiana
Source: ClinicalTrials.gov public record
Updated Jul 18, 2022 · Synced Sep 3, 2026, 2:31 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 24, 2015 · Synced Sep 3, 2026, 2:31 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 3, 2026, 2:31 AM 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 Sep 3, 2026, 2:31 AM EDT