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 15, 2026, 10:23 AM 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 408 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Naltrexone hydrochloride Clear all
Not yet recruiting Phase 1 Interventional

Development of a MHBC Intervention for Weight Loss and Smoking Cessation for Pre-Bariatric Surgery Patients

NCT07224087
View directory record Official record
Conditions
Obesity, Smoking Cessation, Bariatric Surgery Patients
Interventions
Naltrexone Hydrochloride, Bupropion HCl Extended Release, Cognitive-Behavioral Therapy
Drug · Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Sep 15, 2026, 10:23 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Single Dose Study, Pharmacokinetics of Oxycodone and PF614 Co-Administered With Nafamostat (PF614-MPAR-102)

NCT06500793
View directory record Official record
Conditions
Pharmacokinetics, Healthy Volunteer
Interventions
PF614 capsule, Nafamostat Mesylate
Drug
Lead sponsor
Ensysce Biosciences
Industry
Eligibility
18 Years to 55 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated May 25, 2026 · Synced Sep 15, 2026, 10:23 AM EDT
Completed Not applicable Interventional Results available

Treatment of Binge Eating Disorder in Obesity: Naltrexone/ Bupropion Combination Versus Placebo

NCT02317744
View directory record Official record
Conditions
Binge Eating Disorder
Interventions
Naltrexone and bupropion combination, Pill Placebo
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
21 Years to 65 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 21, 2017 · Synced Sep 15, 2026, 10:23 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Effectiveness of Naltrexone and/or Ondansetron to Reduce Craving for Alcohol and Drinking

NCT00183222
View directory record Official record
Conditions
Alcohol Dependence
Interventions
naltrexone (up to 50 mg/day) for 8 days; ondansetron (0.25 mg twice a day) for 8 days
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
21 Years to 65 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated May 4, 2010 · Synced Sep 15, 2026, 10:23 AM EDT
Completed Phase 3 Interventional Results available

A Study of Embeda (Kadian NT, ALO-01) in Subjects With Pain Due to Osteoarthritis of the Hip or Knee

NCT00420992
View directory record Official record
Conditions
Osteoarthritis, Chronic Pain
Interventions
ALO-01 (Morphine Sulfate Plus Naltrexone Hydrochloride Extended Release), Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
21 Years and older
Enrollment
547 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
81
States / cities
Birmingham, Alabama • Mobile, Alabama • Peoria, Arizona + 69 more
Source: ClinicalTrials.gov public record
Updated Sep 19, 2013 · Synced Sep 15, 2026, 10:23 AM EDT
Completed Phase 1 Interventional

Effectiveness of Naltrexone and Lofexidine in Treating Detoxified Heroin Addicts - 1

NCT00218530
View directory record Official record
Conditions
Heroin Dependence
Interventions
Lofexidine
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 100 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Sep 15, 2026, 10:23 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Effect of Ketoconazole on Sufentanil NanoTab Pharmacokinetics

NCT01721070
View directory record Official record
Conditions
Pharmacokinetics
Interventions
Sufentanil NanoTab (SUF NT) 15 mcg, Ketoconazole 400 mg, sufentanil NanoTab (SUF NT) 15 mcg
Drug
Lead sponsor
Talphera, Inc
Industry
Eligibility
18 Years to 45 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Nov 3, 2016 · Synced Sep 15, 2026, 10:23 AM EDT
Not listed Phase 1 Interventional

Single-Blind Study of STAT-205 in Mild COVID-19

NCT04708327
View directory record Official record
Conditions
COVID-19
Interventions
STAT-205
Drug
Lead sponsor
Cytocom, Inc.
Industry
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
2
States / cities
Loma Linda, California • Pompano Beach, Florida
Source: ClinicalTrials.gov public record
Updated Dec 21, 2021 · Synced Sep 15, 2026, 10:23 AM EDT
Completed Phase 2 Interventional Results available

Investigation of Naltrexone for Pathological Gambling

NCT01057862
View directory record Official record
Conditions
Pathological Gambling
Interventions
Naltrexone, Placebo
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2017
U.S. locations
3
States / cities
Middletown, Connecticut • New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 12, 2017 · Synced Sep 15, 2026, 10:23 AM EDT
Completed Phase 3 Interventional Results available

Injectable Pharmacotherapy for Opioid Use Disorders (IPOD)

NCT02110264
View directory record Official record
Conditions
Opioid Use Disorders
Interventions
XR-NTX, XR-NTX+PN, ETAU
Drug · Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 100 Years
Enrollment
151 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Jan 21, 2020 · Synced Sep 15, 2026, 10:23 AM EDT
Completed Phase 2 Interventional

Naltrexone and Clonidine Combination (ATNC05) in the Treatment of Chronic Back Pain

NCT01415895
View directory record Official record
Conditions
Back Pain, Lower Back Pain, Cervical Pain
Interventions
Naltrexone and Clonidine Combination, placebo
Drug
Lead sponsor
Annette C. Toledano MD
Industry
Eligibility
19 Years to 70 Years
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
North Miami, Florida
Source: ClinicalTrials.gov public record
Updated Apr 13, 2021 · Synced Sep 15, 2026, 10:23 AM EDT
Completed Phase 2 Interventional

Extended-Release Naltrexone and Monthly Extended-Release Buprenorphine for Cocaine Use Disorder (CURB-2)

NCT05262270
View directory record Official record
Conditions
Cocaine Use Disorder
Interventions
Extended-Release Naltrexone, Extended Release Buprenorphine, Placebo (PLB) Injectable matched to XR-NTX, Placebo (PLB) Injectable matched to XR-BUP
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
427 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
12
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Los Angeles, California + 8 more
Source: ClinicalTrials.gov public record
Updated Oct 20, 2025 · Synced Sep 15, 2026, 10:23 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetic Characterization of the Active, Separated System With PK Controller (Fentanyl Iontophoretic Transdermal System, 40 Mcg Fentanyl Per Activation).

NCT01750060
View directory record Official record
Conditions
Pain, Postoperative
Interventions
Fentanyl, Naltrexone
Drug
Lead sponsor
Incline Therapeutics, Inc.
Industry
Eligibility
18 Years to 45 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Apr 18, 2013 · Synced Sep 15, 2026, 10:23 AM EDT
Completed Phase 3 Interventional Results available

Naltrexone & SSRI in Alcoholics With Depression/PTSD

NCT00338962
View directory record Official record
Conditions
Alcoholism, Depression, PTSD
Interventions
paroxetine, desipramine, Naltrexone, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 75 Years
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2015
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 4, 2016 · Synced Sep 15, 2026, 10:23 AM EDT
Completed Phase 2 Interventional Results available

Employment-Based Depot Naltrexone Clinical Trial

NCT00684788
View directory record Official record
Conditions
Opiate Dependence
Interventions
employment-based reinforcement
Combination Product
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 25, 2017 · Synced Sep 15, 2026, 10:23 AM EDT
Completed Phase 2 Interventional Results available

Effect of Topical Naltrexone Ophthalmic Solution on the Signs and Symptoms of Dry Eye in Diabetic Subjects

NCT03660475
View directory record Official record
Conditions
Dry Eye Disease
Interventions
Naltrexone, Placebos
Drug
Lead sponsor
Sassani, Joseph S., MD, MHA
Individual
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 1, 2022 · Synced Sep 15, 2026, 10:23 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Understanding How Opioids Affect the Experiential and Neural Signatures of Social Experiences

NCT05007561
View directory record Official record
Conditions
Naltrexone, Placebo
Interventions
Naltrexone Hydrochloride, Placebo
Drug
Lead sponsor
San Diego State University
Other
Eligibility
18 Years to 25 Years
Enrollment
217 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Sep 15, 2026, 10:23 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 15, 2026, 10:23 AM EDT
Active, not recruiting Phase 4 Interventional

Effect of Naltrexone Hydrochloride ER and Bupropion Hydrochloride ER Combination (Contrave®/Mysimba®) on Major Adverse Cardiovascular Events (MACE)

NCT06098079
View directory record Official record
Conditions
Obesity
Interventions
Naltrexone-Bupropion (NB) Combination, Placebo
Drug
Lead sponsor
Currax Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
8,600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
140
States / cities
Birmingham, Alabama • Cullman, Alabama • Mobile, Alabama + 111 more
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Sep 15, 2026, 10:23 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Intermittent Oral Naltrexone Enhanced With an Ecological Momentary Intervention for Methamphetamine-using MSM

NCT04791969
View directory record Official record
Conditions
Methamphetamine Use Disorder
Interventions
Naltrexone Hydrochloride, Placebo, Ecological Momentary Intervention
Drug · Behavioral
Lead sponsor
Glenn-Milo Santos
Other
Eligibility
18 Years to 70 Years · Male only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 26, 2025 · Synced Sep 15, 2026, 10:23 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 15, 2026, 10:23 AM EDT
Recruiting Phase 3 Interventional

Emergency Department-Initiated Medications for Alcohol Use Disorder

NCT05827159
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Naltrexone Pill, Naltrexone Injection, Brief Negotiation Interview, Gabapentin Pill
Drug · Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 80 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 Jul 20, 2026 · Synced Sep 15, 2026, 10:23 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Prazosin and Naltrexone (PaN) Study for Veterans With Alcohol Use Disorders

NCT02322047
View directory record Official record
Conditions
Alcohol Use Disorder, Posttraumatic Stress Disorder (PTSD)
Interventions
Prazosin, Naltrexone, Placebo (Prazosin), Placebo (Naltrexone)
Drug
Lead sponsor
Seattle Institute for Biomedical and Clinical Research
Other
Eligibility
18 Years to 80 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 28, 2020 · Synced Sep 15, 2026, 10:23 AM EDT
Terminated Phase 4 Interventional Results available

Naltrexone Treatment for Prolonged Grief Disorder (PGD)

NCT04547985
View directory record Official record
Conditions
Prolonged Grief Disorder
Interventions
Naltrexone HCl 50 MG Oral Tablet, Placebo
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 27, 2024 · Synced Sep 15, 2026, 10:23 AM EDT