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Showing 1–24 of 391 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Opioid Dependency Clear all
Completed Phase 2 Interventional Results available

Efficacy of Levetiracetam in Cocaine-Abusing Methadone Maintained Patients

NCT00577005
View directory record Official record
Conditions
Cocaine Dependence, Opioid Dependency
Interventions
levetiracetam, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 16, 2018 · Synced Jul 21, 2026, 7:10 AM EDT
Completed Phase 3 Interventional

Re-Treatment Study of Probuphine in Opioid Addiction

NCT01262261
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
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
18
States / cities
Los Angeles, California • National City, California • Oceanside, California + 15 more
Source: ClinicalTrials.gov public record
Updated Dec 30, 2018 · Synced Jul 21, 2026, 7:10 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Pharmacotherapy & CM for Opioid and Cocaine Dependence

NCT00838981
View directory record Official record
Conditions
Cocaine Dependence
Interventions
Modafinil, Sugar Pill, Contingency Management, Methadone, cognitive behavioral treatment, Voucher Control
Drug · Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 2, 2021 · Synced Jul 21, 2026, 7:10 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Buprenorphine for Prisoners

NCT00574067
View directory record Official record
Conditions
Heroin Addiction
Interventions
Buprenorphine +OTP, Buprenorphine +CHC, Counseling +OTP, Counseling +CHC
Drug
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years to 60 Years
Enrollment
213 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
2
States / cities
Baltimore, Maryland • Jessup, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 28, 2018 · Synced Jul 21, 2026, 7:10 AM EDT
Completed Phase 4 Interventional Results available

A Pilot Study of Treating HCV at a Psychiatrist-staffed Outpatient Addiction Clinic

NCT03235154
View directory record Official record
Conditions
Hepatitis C, Chronic, Hepatitis C, Opiate Dependence
Interventions
sofosbuvir/velpatasvir
Drug
Lead sponsor
Community Research Initiative of New England
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Somerville, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 12, 2021 · Synced Jul 21, 2026, 7:10 AM EDT
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 21, 2026, 7:10 AM EDT
Recruiting No phase listed Observational

fMRI and Opioid Abstinence

NCT06651333
View directory record Official record
Conditions
Drug Use Disorder, Opioid Dependence, Opioid-Related Disorders, Opioid Use, Opioid Abuse
Interventions
fMRI
Diagnostic Test
Lead sponsor
Yale University
Other
Eligibility
18 Years to 50 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 19, 2025 · Synced Jul 21, 2026, 7:10 AM EDT
Completed No phase listed Observational

Sustained Release d-Amphetamine & Buprenorphine on Drug Seeking Behavior in Opioid & Cocaine Dependent Individuals

NCT00429767
View directory record Official record
Conditions
Heroin Dependence, Opioid-Related Disorders, Cocaine Abuse or Dependence
Interventions
Not listed
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 55 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 4, 2012 · Synced Jul 21, 2026, 7:10 AM EDT
Completed Phase 4 Interventional

Biomarkers of Injectable Extended Release Naltrexone Treatment

NCT02324725
View directory record Official record
Conditions
Heroin Dependence, Opioid Dependence
Interventions
Naltrexone
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 55 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 11, 2023 · Synced Jul 21, 2026, 7:10 AM EDT
Completed Phase 2Phase 3 Interventional

Treatment of Adult Attention Deficit Hyperactivity Disorder (ADHD) in Methadone Patients - 1

NCT00061087
View directory record Official record
Conditions
ADHD, Opioid-Related Disorders, Cocaine Dependence
Interventions
Methylphenidate, Bupropion, Placebo
Drug · Other
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2004
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 22, 2019 · Synced Jul 21, 2026, 7:10 AM EDT
Withdrawn Phase 2 Interventional

Buprenorphine/Naloxone Treatment for Opioid Dependence-Experiment I(2) - 2

NCT00000327
View directory record Official record
Conditions
Heroin Dependence, Opioid-Related Disorders
Interventions
Heroin Dependence
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 62 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated May 3, 2017 · Synced Jul 21, 2026, 7:10 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Gabapentin Regimens and Their Effects on Opioid Consumption

NCT03334903
View directory record Official record
Conditions
Knee Osteoarthritis, Knee Pain Chronic, Opioid Use, Opioid Dependence
Interventions
Gabapentin
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
77 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 17, 2021 · Synced Jul 21, 2026, 7:10 AM EDT
Active, not recruiting Not applicable Interventional

Neuromodulation and Cognitive Training in Opioid Use Disorder

NCT03773523
View directory record Official record
Conditions
Opioid-use Disorder, Opioid Dependence, Opioid Abuse
Interventions
Transcranial Direct Current Stimulation (tDCS)
Device
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 60 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 21, 2026 · Synced Jul 21, 2026, 7:10 AM EDT
Completed Phase 2 Interventional Results available

HOPE Consortium Trial to Reduce Pain and Opioid Use in Hemodialysis

NCT04571619
View directory record Official record
Conditions
End Stage Renal Disease, Chronic Pain, Opioid Dependence
Interventions
Pain Coping Skills Training (PCST), Buprenorphine
Behavioral · Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years and older
Enrollment
643 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
16
States / cities
West Haven, Connecticut • Chicago, Illinois • Boston, Massachusetts + 11 more
Source: ClinicalTrials.gov public record
Updated Jan 12, 2025 · Synced Jul 21, 2026, 7:10 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Nalrexone Facilitated Discontinuation of Buprenorphine

NCT01895036
View directory record Official record
Conditions
Stable Opioid Dependence
Interventions
Naltrexone
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 49 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 14, 2018 · Synced Jul 21, 2026, 7:10 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Opioid Use Disorder in Pregnancy in Long-Term Maternal/Infant Outcomes

NCT03923374
View directory record Official record
Conditions
Opioid-use Disorder, Opioid Use, Unspecified, Buprenorphine Dependence
Interventions
Subutex / Buprenorphine, Fetal & Neonatal MRI, DNA/Genetic/Pharmacokenetic Blood Draws
Drug · Diagnostic Test
Lead sponsor
Senthil Sadhasivam
Other
Eligibility
18 Years and older · Female only
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Jul 21, 2026, 7:10 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Effects of Buprenorphine/Naloxone in Treating Opioid Dependent Individuals Who Are Maintained on Methadone

NCT00000243
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
Buprenorphine
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 55 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2004
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Jul 21, 2026, 7:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Addressing Origins of the Opioid Epidemic by Improving Prescribing for Opioid-Naive Patients

NCT03377855
View directory record Official record
Conditions
Opioid Use, Opioid-Related Disorders, Opioid Abuse, Prescription Drug Abuse and Dependency
Interventions
Default Prescribing Change
Other
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 89 Years
Enrollment
948 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 23, 2020 · Synced Jul 21, 2026, 7:10 AM EDT
Withdrawn Phase 2 Interventional

Neurobiology of Opioid Dependence: 2 - 2

NCT00000193
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
Gamma hydroxybutyric
Drug
Lead sponsor
Yale University
Other
Eligibility
Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
1993 – 1998
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 6, 2015 · Synced Jul 21, 2026, 7:10 AM EDT
Completed Phase 3 Interventional

Buprenorphine and Naloxone for the Treatment of Opiate Dependence - 1

NCT00015171
View directory record Official record
Conditions
Heroin Dependence, Substance-Related Disorders
Interventions
Buprenorphine/naloxone
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 59 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 1997
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 15, 2017 · Synced Jul 21, 2026, 7:10 AM EDT
Terminated Phase 2 Interventional

Safety and Efficacy of Pre-incisional Intravenous Ibuprofen to Reduce Postoperative Pain and Opioid Dependence After Posterior Cervical or Lumbar Instrumented Spine Surgery

NCT02276911
View directory record Official record
Conditions
Cervical Spondylosis, Lumbar Spondylosis
Interventions
Ibuprofen, normal saline
Drug · Other
Lead sponsor
St. Joseph's Hospital and Medical Center, Phoenix
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 18, 2024 · Synced Jul 21, 2026, 7:10 AM EDT
Completed Phase 2 Interventional

Opiate Dependence: Combined Naltrexone/Behavior Therapy - 1

NCT00238914
View directory record Official record
Conditions
Heroin Dependence
Interventions
Naltrexone, Behavioral Naltrexone Therapy (BNT), Compliance Enhancement (CE)
Drug · Behavioral
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2002
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 12, 2012 · Synced Jul 21, 2026, 7:10 AM EDT
Completed No phase listed Observational

Treatment Study: Reducing Cocaine/Heroin Abuse With SR-Amphetamine and Buprenorphine (ARC)

NCT00698737
View directory record Official record
Conditions
Heroin Dependence, Opioid-Related Disorders, Cocaine Abuse or Dependence
Interventions
Not listed
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 55 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 21, 2012 · Synced Jul 21, 2026, 7:10 AM EDT
Completed Phase 2 Interventional

Tramadol to Reduce Opioid Withdrawal Symptoms

NCT00142896
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
Tramadol, Naloxone, Morphine
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Years to 55 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Jul 21, 2026, 7:10 AM EDT