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ClinicalTrials.gov public records Last synced Oct 20, 2026, 12:32 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 49–72 of 244 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Opioid Abuse 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 21, 2019 · Synced Oct 20, 2026, 12:32 AM EDT
Completed Phase 2 Interventional

Disulfiram for Cocaine Abuse in Buprenorphine Treatment

NCT00913484
View directory record Official record
Conditions
Cocaine Dependence, Opioid Dependency
Interventions
Disulfiram, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 45 Years
Enrollment
177 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2004
U.S. locations
2
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 19, 2020 · Synced Oct 20, 2026, 12:32 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 3, 2019 · Synced Oct 20, 2026, 12:32 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 11, 2022 · Synced Oct 20, 2026, 12:32 AM EDT
Completed Phase 2 Interventional

Effective Treatment for Prescription Opioid Abuse

NCT00719095
View directory record Official record
Conditions
Prescription Opioid Dependence
Interventions
buprenorphine taper followed by naltrexone maintenance, Behavioral therapy
Drug · Behavioral
Lead sponsor
University of Vermont Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Apr 15, 2013 · Synced Oct 20, 2026, 12:32 AM EDT
Completed No phase listed Observational

A Prospective Assessment of Opioid Utilization Post-operatively in Sports Orthopaedic Surgeries

NCT03422211
View directory record Official record
Conditions
Narcotic Use, Postoperative Pain, Narcotic Abuse, Opioid Use, Opioid Abuse, Uncomplicated, Opioids; Harmful Use, Analgesic Drug Dependence, Orthopedic Disorder
Interventions
Questionnaire
Other
Lead sponsor
St. Louis University
Other
Eligibility
10 Years to 100 Years
Enrollment
223 participants
Timeline
2017 – 2018
U.S. locations
3
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 24, 2021 · Synced Oct 20, 2026, 12:32 AM EDT
Completed Phase 2 Interventional

Treatment Efficacy for Drug Abuse and AIDS Prevention - 2

NCT00000211
View directory record Official record
Conditions
Cocaine-Related Disorders, Heroin Dependence
Interventions
Buprenorphine
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
26 Years to 41 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
1989 – 1996
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 12, 2017 · Synced Oct 20, 2026, 12:32 AM EDT
Completed Phase 2 Interventional Results available

Prescription Opioid Abuse Among Pain Patients: Predictors of Relapse

NCT01967641
View directory record Official record
Conditions
Opioid Dependence
Interventions
buprenorphine/naloxone combination
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 24, 2019 · Synced Oct 20, 2026, 12:32 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 20, 2026, 12:32 AM EDT
Completed Not applicable Interventional

Efficacy And Safety Of An Innovative Treatment Of Opiate Use Disorders

NCT04340622
View directory record Official record
Conditions
Opioid-use Disorder, Opioid Dependence, Opioid Abuse
Interventions
supra-luminous LED, Sham
Device
Lead sponsor
MindLight, LLC
Industry
Eligibility
18 Years to 70 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
2
States / cities
Belmont, Massachusetts • Newton Highlands, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 25, 2021 · Synced Oct 20, 2026, 12:32 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 17, 2017 · Synced Oct 20, 2026, 12:32 AM EDT
Enrolling by invitation Phase 4 Interventional Accepts healthy volunteers

Reducing Opioid Use After Upper Extremity Surgery: Testing Lower Prescriptions and Pill Quantity

NCT07750639
View directory record Official record
Conditions
Opioid Abuse (Disorder), Opioid Analgesia, Opioid Analgesic Adverse Reaction, Opioid Consumption
Interventions
Naproxen, Acetaminophen, oxycodone, Gabapentin
Drug
Lead sponsor
AdventHealth
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Oct 8, 2026 · Synced Oct 20, 2026, 12:32 AM EDT
Completed No phase listed Observational

MEMO-Medical Marijuana and Opioids Study

NCT03268551
View directory record Official record
Conditions
Opioid Use, Marijuana, Chronic Pain, HIV/AIDS
Interventions
Not listed
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
18 Years and older
Enrollment
257 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
2
States / cities
The Bronx, New York • White Plains, New York
Source: ClinicalTrials.gov public record
Updated Nov 8, 2023 · Synced Oct 20, 2026, 12:32 AM EDT
Recruiting Not applicable Interventional

Optimizing Pregnancy and Treatment Interventions for Moms 3.0

NCT07586917
View directory record Official record
Conditions
Opioid Abuse (Disorder), Stimulant Use Disorders
Interventions
Patient Navigation
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older · Female only
Enrollment
429 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Oct 20, 2026, 12:32 AM EDT
Completed Not applicable Interventional Results available

The Therapeutic Workplace Initiation Study

NCT00249470
View directory record Official record
Conditions
Cocaine-Related Disorders, Opioid-Related Disorders, Heroin Dependence, Substance Abuse, Intravenous
Interventions
Abstinence & Work, Work Only
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 27, 2017 · Synced Oct 20, 2026, 12:32 AM EDT
Withdrawn Phase 4 Interventional

Opioids and Smoking Cessation

NCT03857139
View directory record Official record
Conditions
Smoking, Smoking Cessation, Smoking, Tobacco, Opioid Use, Opioid Abuse
Interventions
Nicotine patch
Drug
Lead sponsor
University of Houston
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 20, 2022 · Synced Oct 20, 2026, 12:32 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 5, 2012 · Synced Oct 20, 2026, 12:32 AM EDT
Completed Phase 1Phase 2 Interventional

Medication Adherence Therapy for Opioid Abusing Pain Patients

NCT00249587
View directory record Official record
Conditions
Pain, Chronic Disease, Prescription Opioid Abuse
Interventions
Methadone
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2005
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 10, 2017 · Synced Oct 20, 2026, 12:32 AM EDT
Completed Not applicable Interventional Results available

Evaluation of Medical Cannabis and Prescription Opioid Taper Support for Reduction of Pain and Opioid Dose in Patients With Chronic Non-Cancer Pain

NCT04827992
View directory record Official record
Conditions
Opioid Use, Pain, Marijuana Use
Interventions
Cannabis, Prescription Opioid Taper Support (POTS)
Drug · Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
3
States / cities
Portland, Maine • Boston, Massachusetts • Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Oct 20, 2026, 12:32 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Cannabis and Opioid Use Disorder

NCT05729932
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Inhaled vaporized cannabis, Intransal opioid
Drug
Lead sponsor
Shanna Babalonis, PhD
Other
Eligibility
18 Years to 55 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jun 18, 2026 · Synced Oct 20, 2026, 12:32 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 16, 2018 · Synced Oct 20, 2026, 12:32 AM EDT
Completed Not applicable Interventional Results available

PRescribing INterventions for Chronic Pain Via the Electronic Health Record Study - Primary Care Providers

NCT04601506
View directory record Official record
Conditions
Opioid-use Disorder, Opioid Use, Opioid Abuse
Interventions
Choice Architecture Nudge, PMP Integration & Nudge
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
Not listed
Enrollment
472 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 27, 2024 · Synced Oct 20, 2026, 12:32 AM EDT
Completed No phase listed Observational

Real Time Assessment of Drug Craving, Use, and Abstinence During Outpatient: A Development and Feasibility Study

NCT00292136
View directory record Official record
Conditions
Cocaine Addiction, Opiate Addiction
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 65 Years
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 5, 2018 · Synced Oct 20, 2026, 12:32 AM EDT
Active, not recruiting Phase 4 Interventional

Effect of Opioid Infusion Rate on Abuse Liability Potential of Intravenous Hydromorphone for Cancer Pain

NCT04296305
View directory record Official record
Conditions
Hematopoietic and Lymphoid Cell Neoplasm, Malignant Solid Neoplasm
Interventions
Hydromorphone, Placebo Administration, Questionnaire Administration
Drug · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Oct 20, 2026, 12:32 AM EDT