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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Opioid Dependency Clear all
Completed No phase listed Observational Accepts healthy volunteers

Impact of Delta Opioid Receptor Gene (OPRD1) Variations on Treatment Outcome in African Americans

NCT02225184
View directory record Official record
Conditions
Genetic Underpinning of Substance Abuse, Polymorphism-genetic, Drug Abuse/Dependence, Opiod-Related Disorders
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years and older
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 2, 2019 · Synced Jul 22, 2026, 4:48 AM EDT
Completed Phase 3 Interventional Results available

Efficacy, Safety and Dose-Response Study Followed by Open-Label Study of Lofexidine Treatment of Opioid Withdrawal

NCT01863186
View directory record Official record
Conditions
Opioid Dependence, Acute Opioid Withdrawal Syndrome
Interventions
Lofexidine HCl, Placebo, Open Label Lofexidine HCL
Drug
Lead sponsor
USWM, LLC (dba US WorldMeds)
Industry
Eligibility
18 Years and older
Enrollment
603 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
18
States / cities
Clovis, California • Escondido, California • San Diego, California + 15 more
Source: ClinicalTrials.gov public record
Updated Mar 21, 2022 · Synced Jul 22, 2026, 4:48 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Strategy to Improve Success of Treatment Discontinuation in Buprenorphine Responders

NCT03232346
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
Vivitrol, Buprenorphine
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 6, 2022 · Synced Jul 22, 2026, 4:48 AM EDT
Completed Phase 1 Interventional

Improving Effective Contraceptive Use Among Opioid-maintained Women

NCT01425060
View directory record Official record
Conditions
Contraceptive Usage, Opioid Dependence
Interventions
Contraceptive management program, Usual care
Behavioral · Other
Lead sponsor
University of Vermont
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Mar 16, 2015 · Synced Jul 22, 2026, 4:48 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 Jul 22, 2026, 4:48 AM EDT
Completed No phase listed Observational

Effects of Pre-Session Supplemental Hydromorphone on Drug Seeking Behavior in Opioid Dependent Individuals

NCT00218309
View directory record Official record
Conditions
Heroin Dependence, Opioid-Related Disorders
Interventions
Hydromorphone
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
2003 – 2005
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Jul 22, 2026, 4:48 AM EDT
Completed Phase 2 Interventional Results available

Multiple Dose Pharmacokinetics Depot Buprenorphine in Opioid-Dependent Subjects

NCT01738503
View directory record Official record
Conditions
Opioid Related Disorder
Interventions
RBP-6000, Subutex
Drug
Lead sponsor
Indivior Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Feb 22, 2018 · Synced Jul 22, 2026, 4:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Youth Opioid Recovery Support: Improving Care Systems

NCT04015115
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
Youth Opioid Recovery Support service model
Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 26 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 6, 2022 · Synced Jul 22, 2026, 4:48 AM EDT
Recruiting Not applicable Interventional

A Brief Values Intervention to Support Veterans in Early Buprenorphine Treatment

NCT05189223
View directory record Official record
Conditions
Dependence, Opioid
Interventions
Brief, values based intervention for early buprenorphine treatment
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Bedford, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Jul 22, 2026, 4:48 AM EDT
Completed Not applicable Interventional

Repetitive Transcranial Magnetic Stimulation to Reduce Heroin Cravings

NCT05074524
View directory record Official record
Conditions
Opioid-use Disorder, Heroin Abuse, Craving, Transcranial Magnetic Stimulation
Interventions
Repetitive Transcranial Magnetic Stimulation, Sham Repetitive Transcranial Magnetic Stimulation
Device
Lead sponsor
University of Nevada, Las Vegas
Other
Eligibility
18 Years to 64 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated May 16, 2022 · Synced Jul 22, 2026, 4:48 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

XRB vs. SLB in Jail and at Re-entry: Pilot, Proof of Concept

NCT03604159
View directory record Official record
Conditions
Opioid Dependence
Interventions
Buprenorphine Extended Release, Sublingual Buprenorphine (SUBOXONE, Zubsolv, or generic tablets)
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 60 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 10, 2022 · Synced Jul 22, 2026, 4:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

An Opioid Prescribing Nudge

NCT04069403
View directory record Official record
Conditions
Opioid Use, Unspecified, Prescription Drug Abuse (Not Dependent), Prescription Drug Abuse and Dependency, Health Behavior, Benzodiazepine Abuse, Benzodiazepine Dependent
Interventions
Automated Reports on prescription patterns for their patients
Other
Lead sponsor
Duke University
Other
Eligibility
Not listed
Enrollment
427 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 29, 2020 · Synced Jul 22, 2026, 4:48 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 11, 2017 · Synced Jul 22, 2026, 4:48 AM 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 22, 2026, 4:48 AM 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 22, 2026, 4:48 AM EDT
Not listed Phase 1 Interventional

Oxytocin in Opiate Dependence: A Pilot Study of the Effects of Intranasal Oxytocin on Emotional Processes and Stress Responses in Patients With Opiate Dependence

NCT02052258
View directory record Official record
Conditions
Opiate Dependence
Interventions
Oxytocin
Drug
Lead sponsor
MacDonald, Kai, M.D.
Individual
Eligibility
18 Years and older · Male only
Timeline
Started 2013
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Sep 14, 2014 · Synced Jul 22, 2026, 4:48 AM EDT
Recruiting Phase 4 Interventional

Buprenorphine as a Post-operative Analgesic in Opioid-Naive Patients After Ankle Fracture Surgery

NCT06949826
View directory record Official record
Conditions
Pain, Postoperative, Ankle Fracture Surgery, Opioid Use Disorder, Opioid Dependence, Opioid Analgesia
Interventions
Buprenorphine Transdermal System, Placebo Patch
Drug
Lead sponsor
Jenna-Leigh Wilson
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 5, 2026 · Synced Jul 22, 2026, 4:48 AM EDT
Terminated Not applicable Interventional Results available

A Drug Treatment for Cocaine Users Who Are Also on Methadone Maintenance Treatment

NCT01802515
View directory record Official record
Conditions
Cocaine Dependence, Opiate Dependence
Interventions
Atomoxetine, low dose, Atomoxetine, high dose, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 5, 2016 · Synced Jul 22, 2026, 4:48 AM EDT
Completed Phase 2Phase 3 Interventional

Tobacco Use in Opioid Agonist Treated Pregnant Women

NCT00497068
View directory record Official record
Conditions
Nicotine Dependence
Interventions
tobacco abstinent contingent, non-contingent, control
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2013 · Synced Jul 22, 2026, 4:48 AM EDT
Completed Not applicable Interventional

Computer-based Cognitive Behavioral Therapy for Risky Behaviors in Opioid Dependent Patients

NCT01645033
View directory record Official record
Conditions
Opioid Dependence, Hepatitis, HIV
Interventions
computerized Cognitive Behavioral Therapy (CBT), Treatment as Usual (TAU)
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 11, 2014 · Synced Jul 22, 2026, 4:48 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 22, 2018 · Synced Jul 22, 2026, 4:48 AM EDT
Completed Phase 2 Interventional Results available

Effects of Ibudilast on Oxycodone Self-administration in Opioid Abusers

NCT01740414
View directory record Official record
Conditions
Opioid Abuse, Opioid Dependence
Interventions
MN-166 (50 mg) First, Placebo First
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 55 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 16, 2017 · Synced Jul 22, 2026, 4:48 AM EDT
Completed No phase listed Observational

A Pragmatic Trial of the Consult for Addiction Treatment and Care in Hospitals (CATCH) Model for Engaging Patients in Opioid Use Disorder Treatment

NCT03611335
View directory record Official record
Conditions
Opioid Dependence, Opioid Abuse
Interventions
CATCH Interviews
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 99 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 4, 2024 · Synced Jul 22, 2026, 4:48 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Methadone Maintenance for Prisoners

NCT00378079
View directory record Official record
Conditions
Heroin Addiction
Interventions
Counseling Only, Counseling + Transfer, Counseling + Methadone
Other · Drug
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
211 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2008
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 2, 2014 · Synced Jul 22, 2026, 4:48 AM EDT