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ClinicalTrials.gov public records Last synced Sep 7, 2026, 7:21 AM EDT

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Showing 1–24 of 76 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Opioid Users Clear all
Completed Phase 4 Interventional Results available

Buprenorphine Extended-Release Subcutaneous Injection (RBP-6000) in High-risk Users

NCT04995029
View directory record Official record
Conditions
Moderate to Severe Opioid-use Disorder
Interventions
Transmucosal Buprenorphine, Extended-release Buprenorphine
Drug
Lead sponsor
Indivior Inc.
Industry
Eligibility
18 Years and older
Enrollment
785 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
28
States / cities
Garden Grove, California • Panorama City, California • San Diego, California + 21 more
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Sep 7, 2026, 7:21 AM EDT
Withdrawn Phase 4 Interventional

Suboxone User Perioperative Early Referral and Enhanced Recovery After Surgery- Orthopaedic Trauma Surgery Population

NCT04464512
View directory record Official record
Conditions
Addiction Opiate, Chronic Pain, Fractures, Bone, Buprenorphine Dependence
Interventions
Sufentanil
Drug
Lead sponsor
West Virginia University
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Dec 11, 2022 · Synced Sep 7, 2026, 7:21 AM EDT
Completed Not applicable Interventional

Risks and Benefits of Naloxone Prescribing

NCT02535494
View directory record Official record
Conditions
Opioid Overdose
Interventions
Extensive training
Other
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 65 Years
Enrollment
405 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 1, 2022 · Synced Sep 7, 2026, 7:21 AM EDT
Completed Not applicable Interventional

Navigation Services to Avoid Rehospitalization (NavSTAR)

NCT02599818
View directory record Official record
Conditions
Opioid-use Disorder, Cocaine Use Disorder, Alcohol Use Disorder
Interventions
NavSTAR
Behavioral
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 5, 2020 · Synced Sep 7, 2026, 7:21 AM EDT
Completed Not applicable Interventional

Providing PrEP, Hepatitis C Treatment, and MOUD Through Telemedicine at Greensboro SSP

NCT05108935
View directory record Official record
Conditions
Opioid Use, Opioid Use Disorder, Risk Reduction, Hiv, Hepatitis C
Interventions
Suboxone, Truvada, Mavyret
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
2
States / cities
Durham, North Carolina • Greensboro, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 26, 2023 · Synced Sep 7, 2026, 7:21 AM EDT
Completed Not applicable Interventional

A Video-Based HCV Curriculum for Drug Users

NCT00241917
View directory record Official record
Conditions
Hepatitis C, Opiate Dependence
Interventions
Hepatitis C educational video, Video
Behavioral · Other
Lead sponsor
Organization to Achieve Solutions in Substance Abuse (OASIS)
Other
Eligibility
18 Years to 90 Years
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
3
States / cities
Antioch, California • Richmond, California • San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 8, 2008 · Synced Sep 7, 2026, 7:21 AM EDT
Completed Phase 1 Interventional

Buprenorphine Dose Escalation Trial for Treatment of Non-Dependent Opiate Users - 2

NCT00015041
View directory record Official record
Conditions
Opioid-Related Disorders, Substance-Related Disorders
Interventions
Buprenorphine
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Years to 45 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 1998
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Sep 7, 2026, 7:21 AM EDT
Completed Not applicable Interventional

Bridging Active Heroin Users to Hepatitis C Treatment Using Buprenorphine - 1

NCT00249574
View directory record Official record
Conditions
Hepatitis C, Heroin Dependence
Interventions
Buprenorphine/naloxone, pegInterferon
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Jan 15, 2017 · Synced Sep 7, 2026, 7:21 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Cognitive, Behavioral and Aging Effects of Pain Medication in Alcohol Users

NCT02945293
View directory record Official record
Conditions
Mild to Heavy Alcohol Consumption
Interventions
Oxycodone
Other
Lead sponsor
University of Washington
Other
Eligibility
35 Years and older
Enrollment
128 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 12, 2021 · Synced Sep 7, 2026, 7:21 AM EDT
Completed No phase listed Observational

Effects of E-Cigarette Flavors on Adult E-Cigarette Users With Opioid Use Disorder

NCT07594717
View directory record Official record
Conditions
Nicotine Use Disoder, Opioid Use Disorder
Interventions
Sweet-cooling, Sweet non-cooling EC flavor, Tobacco flavor EC
Drug
Lead sponsor
Prisma Health-Upstate
Other
Eligibility
21 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Greenville, South Carolina
Source: ClinicalTrials.gov public record
Updated Aug 2, 2026 · Synced Sep 7, 2026, 7:21 AM EDT
Completed No phase listed Observational

Incidence and Predictors of Opioid Overdose and Death Among Long-Term Users of Opioid Analgesics

NCT02662153
View directory record Official record
Conditions
Opioid Overdose
Interventions
Observation only
Other
Lead sponsor
Member Companies of the Opioid PMR Consortium
Industry
Eligibility
18 Years to 79 Years
Enrollment
808,455 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
4
States / cities
Wilmington, Delaware • Boston, Massachusetts • Portland, Oregon + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2022 · Synced Sep 7, 2026, 7:21 AM EDT
Completed Phase 2 Interventional Results available

A Study to Evaluate the Abuse Potential of Oxymorphone Compared to Other Mu Opioid Agonists.

NCT03389750
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Intravenous Challenge Drug
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 55 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
2
States / cities
Lexington, Kentucky • New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 6, 2023 · Synced Sep 7, 2026, 7:21 AM EDT
Withdrawn Phase 4 Interventional

Oritavancin for Staphylococcus Aureus Infections in Opioid Users

NCT03761953
View directory record Official record
Conditions
Staphylococcus Aureus Bacteremia, Staphylococcus Aureus Endocarditis
Interventions
Oritavancin Injection
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 5, 2022 · Synced Sep 7, 2026, 7:21 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

A Study Using fMRI Imaging to Evaluate the Effect of NKTR-181 on Brain Activity in Healthy, Non-physically Dependent Recreational Opioid Users.

NCT03802227
View directory record Official record
Conditions
Moderate to Severe Chronic Pain
Interventions
NKTR-181, Oxycodone IR
Drug
Lead sponsor
Nektar Therapeutics
Industry
Eligibility
18 Years to 60 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 7, 2021 · Synced Sep 7, 2026, 7:21 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Neurocognitive Effects of Buprenorphine Among HIV+ and HIV-Opioid Users

NCT01108679
View directory record Official record
Conditions
Opioid-related Disorders, Buprenorphine, HIV, Cognition, HIV Infections
Interventions
Not listed
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
18 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
2
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Apr 9, 2019 · Synced Sep 7, 2026, 7:21 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Abuse Potential of Hydrocodone Extended-Release Tablet in Recreational Opioid Users

NCT01596673
View directory record Official record
Conditions
Drug Abuse
Interventions
45-mg hydrocodone bitartrate extended-release tablet (crushed or intact), Placebo
Drug
Lead sponsor
Cephalon
Industry
Eligibility
18 Years to 50 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Nov 20, 2012 · Synced Sep 7, 2026, 7:21 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Single Dose Crossover Study to Compare the Respiratory Drive After Administration of Belbuca, Oxycodone and Placebo.

NCT03996694
View directory record Official record
Conditions
Respiratory Depression
Interventions
Belbuca 300 µg, Belbuca 600 µg, Belbuca 900 µg, Oxycodone 30 mg, Oxycodone 60 mg, Placebo
Drug
Lead sponsor
BioDelivery Sciences International
Industry
Eligibility
18 Years to 55 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Feb 4, 2021 · Synced Sep 7, 2026, 7:21 AM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

Opioid, HIV and Immune System

NCT04304768
View directory record Official record
Conditions
Immune Defect
Interventions
Fluzone Quadrivalent
Biological
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 60 Years
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Mar 26, 2026 · Synced Sep 7, 2026, 7:21 AM 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 Sep 1, 2026 · Synced Sep 7, 2026, 7:21 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Comparing Treatments for HIV-Infected Opioid Users in an Integrated Care Effectiveness Study (CHOICES) Scale-Up

NCT03275350
View directory record Official record
Conditions
Opioid-use Disorder, Hiv
Interventions
Naltrexone Injectable Suspension, Treatment as usual
Drug · Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years and older
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
5
States / cities
Tarzana, California • Miami, Florida • Chicago, Illinois + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 26, 2022 · Synced Sep 7, 2026, 7:21 AM EDT
Completed Not applicable Interventional

RETAIN: Retaining Opioid Users Entering Medication Assisted Treatment and Encouraging HCV/HIV Testing

NCT03411265
View directory record Official record
Conditions
Opioid-Related Disorders, Opioid-use Disorder, Drug Addiction, Substance Use Disorders
Interventions
self-administered, e-health application
Other
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 9, 2019 · Synced Sep 7, 2026, 7:21 AM EDT
Enrolling by invitation Not applicable Interventional

SpinePal Open Pilot

NCT07737912
View directory record Official record
Conditions
Spine Surgery
Interventions
SpinePal
Device
Lead sponsor
Trustees of Dartmouth College
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Sep 7, 2026, 7:21 AM EDT
Completed Not applicable Interventional

AWAITS: A Web-based E-health Application for Active Illicit Opioid Users

NCT03402672
View directory record Official record
Conditions
Opioid-use Disorder, IV Drug Usage, Overdose, Drug Addiction, Substance Use Disorders
Interventions
self-administered, e-health application
Other
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 9, 2019 · Synced Sep 7, 2026, 7:21 AM EDT
Not listed Phase 1 Interventional Accepts healthy volunteers

Evaluation of the Interactions of Cannabidiol (CBD) With Morphine

NCT05143424
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Morphine Sulfate
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 55 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Mar 26, 2024 · Synced Sep 7, 2026, 7:21 AM EDT