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ClinicalTrials.gov public records Last synced Oct 9, 2026, 2:59 PM EDT

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Showing 145–168 of 410 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Naltrexone Hydrochloride Clear all
Completed No phase listed Observational

Reducing Overdose After Release From Incarceration

NCT03902821
View directory record Official record
Conditions
Overdose, Drug
Interventions
XR-NTX and Certified Recovery Mentor
Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 100 Years · Female only
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Wilsonville, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 17, 2024 · Synced Oct 9, 2026, 2:59 PM EDT
Completed Phase 1 Interventional

Medication-Assisted Treatment for Youth With Substance Use Disorders

NCT02593474
View directory record Official record
Conditions
Opioid Use Disorder, Opioid Dependence
Interventions
Naltrexone
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
16 Years to 25 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 31, 2018 · Synced Oct 9, 2026, 2:59 PM EDT
Completed Phase 3 Interventional Results available

A Safety and Efficacy Study of Naltrexone SR/Bupropion SR in Overweight and Obese Subjects

NCT00567255
View directory record Official record
Conditions
Obesity, Overweight
Interventions
Naltrexone SR 32 mg/bupropion SR 360 mg/day, Placebo, Ancillary therapy
Drug · Behavioral
Lead sponsor
Orexigen Therapeutics, Inc
Industry
Eligibility
18 Years to 65 Years
Enrollment
1,496 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
36
States / cities
Phoenix, Arizona • Hot Springs, Arkansas • Carmichael, California + 31 more
Source: ClinicalTrials.gov public record
Updated Nov 21, 2014 · Synced Oct 9, 2026, 2:59 PM EDT
Completed Phase 3 Interventional Results available

Naltrexone for Use in Conjunction With Buprenorphine in Adults With Opioid Use Disorder Prior to First Dose of VIVITROL® (Naltrexone for Extended-Release Injectable Suspension)

NCT02537574
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
NTX/BUP, NTX/PBO-B, PBO-N/PBO-B
Drug
Lead sponsor
Alkermes, Inc.
Industry
Eligibility
18 Years to 60 Years
Enrollment
380 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
20
States / cities
Oceanside, California • Orange, California • Lauderhill, Florida + 17 more
Source: ClinicalTrials.gov public record
Updated Mar 6, 2019 · Synced Oct 9, 2026, 2:59 PM 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 21, 2018 · Synced Oct 9, 2026, 2:59 PM EDT
Completed Phase 2 Interventional Results available

The Separate and Combined Effects of Vivitrol and Opiate Abstinence Reinforcement in the Treatment of Opioid Dependence

NCT01556425
View directory record Official record
Conditions
Opioid Dependence
Interventions
Vivitrol, Employment-based opiate abstinence reinforcement, Usual Care Control
Drug · Behavioral · Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 12, 2018 · Synced Oct 9, 2026, 2:59 PM EDT
Completed Not applicable Interventional Results available

Mindfulness-Based Relapse Prevention to Improve Medication Assisted Treatment Adherence and Drug-use Outcomes for Opioid Use Disorder

NCT05042388
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
Mindfulness-Based Relapse Prevention - Rolling Admission (MBRP-RA), Treatment-As-Usual
Behavioral
Lead sponsor
West Chester University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
West Chester, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced Oct 9, 2026, 2:59 PM EDT
Completed Phase 3 Interventional Results available

Method-of-Use Study Assessing the Effect of Naltrexone Sustained Release (SR)/ Bupropion SR on Body Weight and Cardiovascular Risk Factors in Overweight and Obese Subjects

NCT01764386
View directory record Official record
Conditions
Obesity, Overweight
Interventions
NB, CLI, Usual Care
Drug · Behavioral
Lead sponsor
Orexigen Therapeutics, Inc
Industry
Eligibility
18 Years to 60 Years
Enrollment
242 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
15
States / cities
Denver, Colorado • St Louis, Missouri • Cary, North Carolina + 12 more
Source: ClinicalTrials.gov public record
Updated Dec 29, 2015 · Synced Oct 9, 2026, 2:59 PM 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 4, 2016 · Synced Oct 9, 2026, 2:59 PM EDT
Completed Phase 2 Interventional Results available

N-acetylcysteine Plus Naltrexone for the Treatment of Alcohol Dependence

NCT01214083
View directory record Official record
Conditions
Alcoholism
Interventions
N-acetylcysteine + high-dose naltrexone (150 mg), High-dose naltrexone (150 mg) alone, Low-dose naltrexone (50 mg) alone
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 65 Years
Enrollment
111 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
2
States / cities
West Haven, Connecticut • Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 8, 2020 · Synced Oct 9, 2026, 2:59 PM EDT
Withdrawn No phase listed Observational

Addiction Treatment in Primary Care Expansion

NCT03547882
View directory record Official record
Conditions
Opioid Use Disorder (OUD), Chronic Pain
Interventions
Not listed
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
2
States / cities
Denver, Colorado • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 25, 2024 · Synced Oct 9, 2026, 2:59 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Oral Low-Dose Naltrexone for Lichen Planopilaris and Frontal Fibrosing Alopecia

NCT04409041
View directory record Official record
Conditions
Lichen Planopilaris, Frontal Fibrosing Alopecia
Interventions
Low-Dose Naltrexone
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 30, 2021 · Synced Oct 9, 2026, 2:59 PM EDT
Completed Not applicable Interventional Results available

Pilot Trial of Naltrexone for Obesity in Women With Schizophrenia

NCT00793780
View directory record Official record
Conditions
Obesity, Schizophrenia, Schizoaffective Disorder
Interventions
Naltrexone 25mg, Placebo
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 70 Years · Female only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 6, 2016 · Synced Oct 9, 2026, 2:59 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Behavioral and Pharmacologic Treatment of Binge Eating and Obesity: Maintenance Therapy

NCT03047005
View directory record Official record
Conditions
Binge-Eating Disorder, Obesity
Interventions
NB medication (Naltrexone Bupropion combination), Placebo
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 70 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 2, 2024 · Synced Oct 9, 2026, 2:59 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effects of Yohimbine and Naltrexone on Sexual Function

NCT00042536
View directory record Official record
Conditions
Erectile Dysfunction
Interventions
Naltrexone HCL/ Yohimbine HCL
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
Male only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2004
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 9, 2026, 2:59 PM EDT
Recruiting Early Phase 1 Interventional

Naltrexone Neuroimaging in Teens With Eating Disorders

NCT05509257
View directory record Official record
Conditions
Eating Disorders, Binge Eating, Purging (Eating Disorders), Bulimia Nervosa, Anorexia Nervosa, Atypical
Interventions
Naltrexone, Placebo
Drug
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
13 Years to 21 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 25, 2025 · Synced Oct 9, 2026, 2:59 PM 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 2, 2022 · Synced Oct 9, 2026, 2:59 PM EDT
Active, not 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 Sep 30, 2026 · Synced Oct 9, 2026, 2:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study To Characterize The Pharmacokinetics Of Oxycodone In Healthy Volunteers

NCT01552863
View directory record Official record
Conditions
Pain
Interventions
Oxycodone
Drug
Lead sponsor
Pain Therapeutics
Industry
Eligibility
18 Years to 55 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 31, 2015 · Synced Oct 9, 2026, 2:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Characterize the Abuse Liability of Intravenous Oxycodone Alone or in Combination With Intravenous Naltrexone in Healthy, Non-Dependent, Recreational Opioid Users

NCT01825447
View directory record Official record
Conditions
Healthy
Interventions
Placebo, Oxycodone + Naltrexone, Oxycodone
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
89 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Oct 8, 2013 · Synced Oct 9, 2026, 2:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetics of Oxycodone and PF614 Co-Administered with Nafamostat (PF614-MPAR-101)

NCT05090280
View directory record Official record
Conditions
Pharmacokinetics
Interventions
PF614 solution, Naltrexone Hydrochloride, Nafamostat Mesylate
Drug
Lead sponsor
Ensysce Biosciences
Industry
Eligibility
18 Years to 55 Years
Enrollment
111 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Sep 24, 2024 · Synced Oct 9, 2026, 2:59 PM EDT
Terminated Phase 2 Interventional Results available

Naltrexone-Bupropion Versus Placebo-Bupropion for Weight Loss in Schizophrenia

NCT03132571
View directory record Official record
Conditions
Schizophrenia, Diabetes Mellitus, Type 2, Obesity
Interventions
Naltrexone, Bupropion, Placebo
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 75 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 7, 2019 · Synced Oct 9, 2026, 2:59 PM 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 12, 2017 · Synced Oct 9, 2026, 2:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effects of Ethanol on Oxycodone Pharmacokinetics in Healthy Volunteers

NCT02165930
View directory record Official record
Conditions
Healthy
Interventions
Oxycodone, Naltrexone
Drug
Lead sponsor
Pain Therapeutics
Industry
Eligibility
21 Years to 55 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
2
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Apr 4, 2016 · Synced Oct 9, 2026, 2:59 PM EDT