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 Sep 26, 2026, 3:48 AM EDT

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

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Naloxone Injection Clear all
Recruiting Phase 2Phase 3 Interventional Accepts healthy volunteers

Naltrexone for Overdose Prevention

NCT06633900
View directory record Official record
Conditions
Overdose Accidental
Interventions
IM naltrexone, Usual Care
Drug · Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Sep 26, 2026, 3:48 AM EDT
Completed Phase 1 Interventional

Single Ascending Dose Study of RBP-6000

NCT03002961
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
RBP-6000, Suboxone
Drug
Lead sponsor
Indivior Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Dec 25, 2016 · Synced Sep 26, 2026, 3:48 AM EDT
Completed No phase listed Observational

Medication Treatment for Opioid Use Disorder in Expectant Mothers: Conceptual Model Assessments Sub-study

NCT03911466
View directory record Official record
Conditions
Opioid-Related Disorders, Drug Addiction, Pregnancy Related, Substance Abuse, Drug Abuse, Neonatal Abstinence Syndrome, Neonatal Opioid Withdrawal Syndrome, Drug Abuse in Pregnancy
Interventions
Buprenorphine Injection, Buprenorphine Sublingual Product
Drug
Lead sponsor
T. John Winhusen, PhD
Other
Eligibility
18 Years to 41 Years · Female only
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
12
States / cities
Jacksonville, Florida • Boston, Massachusetts • Albuquerque, New Mexico + 8 more
Source: ClinicalTrials.gov public record
Updated Mar 15, 2026 · Synced Sep 26, 2026, 3:48 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Reducing Heavy Drinking to Optimize HIV/AIDS Treatment and Prevention

NCT01227044
View directory record Official record
Conditions
Reduction in Heavy Drinking in Patients With HIV
Interventions
Naltrexone, Placebo + Medication Management/Medication Coaching
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
2
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 20, 2019 · Synced Sep 26, 2026, 3:48 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Compare Bioavailability of Naloxone Nasal Spray, Naloxone Hydrochloride (HCl) Intravenous (IV) and Intramuscular Injection (IM) in Healthy Volunteers

NCT03827642
View directory record Official record
Conditions
Healthy Volunteer
Interventions
Treatment A: Naloxone Nasal Spray, Treatment B: Naloxone Nasal Spray, Treatment C: Naloxone HCl Intravenous (IV) Injection, Treatment D: Naloxone HCl Intramuscular (IM) Injection
Drug
Lead sponsor
INSYS Therapeutics Inc
Industry
Eligibility
18 Years to 45 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jan 31, 2019 · Synced Sep 26, 2026, 3:48 AM EDT
Completed Phase 2 Interventional Results available

Integrated Outpatient Treatment of Opioid Use Disorder and Severe Injection Related Infections

NCT04677114
View directory record Official record
Conditions
Drug Use, Opioid-use Disorder
Interventions
Buprenorphine and Outpatient Parenteral Antibiotic Therapy, Buprenorphine and standard of care antibiotic treatment
Drug
Lead sponsor
Laura Fanucchi
Other
Eligibility
18 Years to 99 Years
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Apr 27, 2026 · Synced Sep 26, 2026, 3:48 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Ketamine for the Rapid Treatment of Major Depressive Disorder and Alcohol Use Disorder

NCT02461927
View directory record Official record
Conditions
Major Depressive Disorder, Alcohol Use Disorder
Interventions
Ketamine + Naltrexone, Ketamine + Placebo, Placebo (psychoactive placebo midazolam) + Placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
21 Years to 65 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2023
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 9, 2025 · Synced Sep 26, 2026, 3:48 AM EDT
Completed Phase 4 Interventional Results available

A Research Study Comparing Wegovy to Other Weight Management Drugs in People Living With Obesity in America

NCT05579249
View directory record Official record
Conditions
Obesity
Interventions
Semaglutide, Orlistat, Phentermine/Topiramate, Naltrexone/Bupropion, Liraglutide
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Jan 13, 2026 · Synced Sep 26, 2026, 3:48 AM EDT
Completed Phase 3 Interventional Results available

Treatment Seeking Participants With Opioid Use Disorders Assessing Tolerability of Depot Injections of Buprenorphine

NCT02357901
View directory record Official record
Conditions
Opioid Dependence, Opioid Related Disorders
Interventions
SUBOXONE, RBP-6000, Placebo
Drug
Lead sponsor
Indivior Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
665 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
38
States / cities
Haleyville, Alabama • Hamilton, Alabama • Little Rock, Arkansas + 33 more
Source: ClinicalTrials.gov public record
Updated Feb 19, 2018 · Synced Sep 26, 2026, 3:48 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Proof of Concept (PoC) Evaluation of Naloxone Unique Intramuscular (IM) Injection

NCT07180420
View directory record Official record
Conditions
Healthy Volunteer - Complete
Interventions
naloxone IM
Drug
Lead sponsor
STAT Therapeutics Inc
Industry
Eligibility
18 Years to 55 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Sep 17, 2025 · Synced Sep 26, 2026, 3:48 AM EDT
Completed Phase 1 Interventional

Drug Discrimination in Methadone-Maintained Humans Study 2

NCT00733239
View directory record Official record
Conditions
Opioid Dependence
Interventions
2-4 of the drugs listed below
Drug
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Apr 17, 2012 · Synced Sep 26, 2026, 3:48 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Comparison of Naloxone Pharmacokinetics

NCT03386591
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
Naloxone, Mucosal atomization device and syringe, Narcan, Intramuscular Auto Injector
Drug · Device
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 55 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Mar 8, 2018 · Synced Sep 26, 2026, 3:48 AM 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 Sep 26, 2026, 3:48 AM EDT
Completed Phase 4 Interventional

Rapid Antidepressant Improvement Secondary to Excitatory Brain Responses

NCT04276259
View directory record Official record
Conditions
Major Depressive Disorder, Depression
Interventions
Buprenorphine, Naltrexone, Oral Placebo, IM Placebo, Theta burst stimulation (TBS) of the ventromedial prefrontal cortex.
Drug · Device
Lead sponsor
Marta Peciña, MD PhD
Other
Eligibility
18 Years to 55 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Sep 26, 2026, 3:48 AM EDT
Recruiting Phase 4 Interventional

A Study Comparing Oral Buprenorphine and Injectable Buprenorphine for the Treatment of Opioid Use Disorder

NCT04375033
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Sublingual buprenorphine with naloxone, Injectable subcutaneous buprenorphine
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
952 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2029
U.S. locations
25
States / cities
Tuscaloosa, Alabama • Phoenix, Arizona • Long Beach, California + 21 more
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Sep 26, 2026, 3:48 AM EDT
Completed Phase 1 Interventional

Improved Strategies for Outpatient Opioid Detoxification

NCT01377610
View directory record Official record
Conditions
Opioid Dependence
Interventions
oral naltrexone, Buprenorphine, Vivitrol
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 20, 2018 · Synced Sep 26, 2026, 3:48 AM EDT
Completed Not applicable Interventional

Tele-Harm Reduction

NCT05208697
View directory record Official record
Conditions
IV Drug Usage, HIV Infections, Hepatitis C
Interventions
Tele-Harm Reduction, off-site linkage
Behavioral · Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
3
States / cities
Fort Lauderdale, Florida • Miami, Florida • Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Sep 26, 2026, 3:48 AM EDT
Terminated Phase 1 Interventional Results available

The Effect of Chronic Pain on Delay Discounting in Methadone Patients

NCT04473950
View directory record Official record
Conditions
Opioid-use Disorder, Chronic Pain Syndrome
Interventions
Naloxone Hydrochloride, Placebo
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 25, 2025 · Synced Sep 26, 2026, 3:48 AM EDT
Completed Phase 4 Interventional

Long-acting Buprenorphine vs. Naltrexone Opioid Treatments in CJS-involved Adults

NCT04219540
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
XR-B (SUBLOCADETM), XR-NTX
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
675 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
6
States / cities
New Haven, Connecticut • Baltimore, Maryland • Hanover, New Hampshire + 3 more
Source: ClinicalTrials.gov public record
Updated May 13, 2025 · Synced Sep 26, 2026, 3:48 AM EDT
Terminated Phase 2 Interventional Results available

Anti-retroviral Therapy, Medications for Opioid Use Disorder, Opioids and HIV Infection - Study 1

NCT04480554
View directory record Official record
Conditions
Opioid-use Disorder, HIV-1-infection, Immune Activation, Inflammation, Methadone, Buprenorphine, Naltrexone, Antiretroviral Treatment
Interventions
Methadone, Buprenorphine/naloxone, XR-Naltrexone
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Sep 26, 2026, 3:48 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

iSTEP-N 101b: Pharmacokinetics and Safety Study of Low- and High-Dose Naltrexone Implants vs Monthly Vivitrol in Healthy Volunteers

NCT07064564
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Naltrexone implant, 14.4 grams, Naltrexone implant, 9.6 grams, Extended-release naltrexone injection, 380 mg
Drug
Lead sponsor
Akyso Therapeutics, LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Millcreek, Utah
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Sep 26, 2026, 3:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Exploratory Bioavailability of Fentanyl Sublingual Spray Under Fasting Conditions

NCT02138396
View directory record Official record
Conditions
Bioavailability
Interventions
Fentanyl Sublingual Spray (FSS), Fentanyl Citrate Injection (FCI), Naltrexone
Drug
Lead sponsor
INSYS Therapeutics Inc
Industry
Eligibility
18 Years to 55 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Dec 11, 2014 · Synced Sep 26, 2026, 3:48 AM EDT
Completed Phase 4 Interventional Results available

Alcohol Disorder hOsPital Treatment Trial

NCT02478489
View directory record Official record
Conditions
Heavy Drinking, Alcohol Dependence, Alcohol Use Disorder
Interventions
Oral naltrexone (PO-NTX), Extended-release injectable naltrexone (XR-NTX)
Drug
Lead sponsor
Boston University
Other
Eligibility
18 Years and older
Enrollment
248 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 28, 2021 · Synced Sep 26, 2026, 3:48 AM EDT
Completed Phase 3 Interventional Results available

Behavioral Naltrexone Therapy for Promoting Adherence to Oral Naltrexone vs Extended Release Injectable Depot Naltrexone

NCT00577408
View directory record Official record
Conditions
Opiate Dependence, Heroin Dependence
Interventions
depot naltrexone, Oral Naltrexone
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 24, 2017 · Synced Sep 26, 2026, 3:48 AM EDT