Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Jul 22, 2026, 7:01 PM EDT

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

Showing 1–24 of 75 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Opioid Users Clear all
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 Jul 22, 2026, 7:01 PM 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 Jul 22, 2026, 7:01 PM 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 Jul 22, 2026, 7:01 PM 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 Jul 22, 2026, 7:01 PM EDT
Terminated Early Phase 1 Interventional

Reducing the Abuse of Opioids in Drug Users

NCT03837860
View directory record Official record
Conditions
Opioid Abuse, Unspecified, Opioid Dependence
Interventions
Oxycodone/Placebo, Oxycodone/Risperidone, Oxycodone/Ziprasidone
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
21 Years to 65 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Feb 14, 2022 · Synced Jul 22, 2026, 7:01 PM 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 Jul 22, 2026, 7:01 PM EDT
Completed Not applicable Interventional Results available

Buprenorphine Treatment Engagement and Overdose Prevention

NCT03677986
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
Video DOT+
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 100 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 19, 2024 · Synced Jul 22, 2026, 7:01 PM 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 Jul 22, 2026, 7:01 PM EDT
Withdrawn Early Phase 1 Interventional Accepts healthy volunteers

Buprenorphine Induction for Fentanyl Dependent Opioid Users

NCT04794790
View directory record Official record
Conditions
Opioid Dependence Fentanyl
Interventions
Buprenorphine/naloxone
Drug
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years to 99 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Harrisburg, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 21, 2024 · Synced Jul 22, 2026, 7:01 PM 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 Jul 22, 2026, 7:01 PM EDT
Completed Phase 3 Interventional Results available

Buprenorphine Group Medical Visits in Primary Care

NCT02526212
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
G-BMT, Treatment as usual, Buprenorphine
Behavioral · Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jun 21, 2026 · Synced Jul 22, 2026, 7:01 PM 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 Jul 22, 2026, 7:01 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Mobile Intervention for Young Opioid Users

NCT03610672
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
OD prevention/response training, OD prevention/response training + PI mobile application
Behavioral
Lead sponsor
National Development and Research Institutes, Inc.
Other
Eligibility
18 Years to 29 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 1, 2018 · Synced Jul 22, 2026, 7:01 PM EDT
Completed Phase 3 Interventional

Linking Hospitalized Injection Drug Users to Buprenorphine

NCT00987961
View directory record Official record
Conditions
Opiate Dependence
Interventions
Linkage
Behavioral
Lead sponsor
Butler Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
147 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 10, 2015 · Synced Jul 22, 2026, 7:01 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Data2Action Oregon Project: Supporting Data-driven Decision-Making for Substance Use Services, Policy, and Overdose Prevention

NCT06852170
View directory record Official record
Conditions
Substance Abuse, Decision Making, Shared, Implementation Science, Decision Making, Organizations, Substance-related Disorders, Policy
Interventions
Co-Design Sessions (CDS), Data products
Other
Lead sponsor
Chestnut Health Systems
Other
Eligibility
18 Years and older
Enrollment
341 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 15, 2026 · Synced Jul 22, 2026, 7:01 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Reinforcing Effects of Intranasal (IN) Buprenorphine Versus Buprenorphine/Naloxone

NCT01760473
View directory record Official record
Conditions
Heroin Dependence
Interventions
Intranasal challenge drug
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 45 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 7, 2017 · Synced Jul 22, 2026, 7:01 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Abuse Potential Study of PF-00345439

NCT01986283
View directory record Official record
Conditions
Opioid Users
Interventions
Capsule, PF-00345439, oxycodone
Drug
Lead sponsor
Pain Therapeutics
Industry
Eligibility
18 Years to 55 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 3, 2016 · Synced Jul 22, 2026, 7:01 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Single Ascending Doses of Kratom in Healthy Nondependent Adults With Opioid Experience

NCT06072170
View directory record Official record
Conditions
Safety, Pharmacokinetics, Pharmacodynamics
Interventions
Kratom, Placebo
Drug
Lead sponsor
Altasciences Company Inc.
Industry
Eligibility
18 Years to 59 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Sep 28, 2025 · Synced Jul 22, 2026, 7:01 PM EDT
Completed No phase listed Observational Results available

Feasibility and Validation of a Standard Phenotyping Assessment Battery

NCT03495869
View directory record Official record
Conditions
Opioid-use Disorder, Cocaine Use Disorder, Marijuana Use Disorder, Healthy Controls
Interventions
Not listed
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 70 Years
Enrollment
368 participants
Timeline
2018 – 2020
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 3, 2021 · Synced Jul 22, 2026, 7:01 PM EDT
Completed No phase listed Observational

MyTPill: A Novel Strategy to Monitor Antiretroviral Adherence Among HIV+ Prescription Opioid Users

NCT03978793
View directory record Official record
Conditions
HIV-positive Individuals
Interventions
MyTPill, a digital pill
Device
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 2, 2025 · Synced Jul 22, 2026, 7:01 PM EDT
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 Jul 22, 2026, 7:01 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Study of the Relative Abuse Potential of Acurox Tablets in Non-Dependent Recreational Opioid Users

NCT01030406
View directory record Official record
Conditions
Opioid Abuse
Interventions
40/0mg taken first, 80/0mg taken first, 40/240mg taken first, 80/480mg taken first, 0/0mg taken first
Drug
Lead sponsor
Acura Pharmaceuticals Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Oct 31, 2018 · Synced Jul 22, 2026, 7:01 PM 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 Feb 26, 2014 · Synced Jul 22, 2026, 7:01 PM EDT
Withdrawn Phase 2 Interventional

A Phase II Randomized Controlled Trial to Determine the Efficacy of an auGmented reAlity gaMe in pediatrIc caNcer Patients Who Are Opioid Tolerant Users Undergoing Surgery to Reduce Post-operative Opioid Use

NCT05589857
View directory record Official record
Conditions
Cancer
Interventions
IPAD, Augmented Reality
Device
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
5 Years to 15 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 22, 2024 · Synced Jul 22, 2026, 7:01 PM EDT