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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: 50 mg naltrexone Clear all
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 7, 2020 · Synced Sep 29, 2026, 7:28 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 29, 2026, 7:28 AM EDT
Not listed Phase 2Phase 3 Interventional Accepts healthy volunteers

Medication Maintenance Therapy in Community Pharmacy Settings

NCT04139213
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
buprenorphine/naloxone oral product, injectable naltrexone, Pharmacy maintenance addiction care, oral naltrexone
Drug · Other
Lead sponsor
Lifespan
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Aug 23, 2022 · Synced Sep 29, 2026, 7:28 AM EDT
Completed Phase 3 Interventional Results available

Lemborexant Augmentation of Naltrexone for Alcohol Craving and Sleep

NCT05458609
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Lemborexant 10 mg, Naltrexone
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 65 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 23, 2026 · Synced Sep 29, 2026, 7:28 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 29, 2026, 7:28 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Optimizing Pharmacotherapy for Bipolar Alcoholics

NCT00302133
View directory record Official record
Conditions
Bipolar Disorder, Alcohol Dependence
Interventions
Naltrexone hydrochloride, Placebo
Drug · Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 65 Years
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2013
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated May 16, 2016 · Synced Sep 29, 2026, 7:28 AM EDT
Completed Phase 4 Interventional

Targeted Naltrexone for Problem Drinkers

NCT00369408
View directory record Official record
Conditions
Alcoholism, Alcohol Drinking, Alcohol Dependence
Interventions
Naltrexone, placebo
Drug
Lead sponsor
UConn Health
Other
Eligibility
18 Years to 70 Years
Enrollment
163 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 19, 2011 · Synced Sep 29, 2026, 7:28 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Single-Dose, Crossover Study To Compare Bioavailability Of Two Formulations Under Fed And Fasted Conditions

NCT02059915
View directory record Official record
Conditions
Healthy
Interventions
Oxycodone
Drug
Lead sponsor
Pain Therapeutics
Industry
Eligibility
18 Years to 55 Years
Enrollment
134 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 3, 2016 · Synced Sep 29, 2026, 7:28 AM EDT
Completed Phase 4 Interventional Results available

Understanding Treatment Response With Naltrexone Among White Alcoholics

NCT00817089
View directory record Official record
Conditions
Alcoholism
Interventions
Placebo Oral Tablet, Naltrexone
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
21 Years to 64 Years · Male only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 20, 2019 · Synced Sep 29, 2026, 7:28 AM EDT
Completed Phase 4 Interventional Results available

Genetic and Brain Mechanisms of Naltrexone's Treatment Efficacy for Alcoholism

NCT00920829
View directory record Official record
Conditions
Alcohol Dependence
Interventions
Naltrexone 50 Mg, Placebo
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 70 Years
Enrollment
358 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
2
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 9, 2018 · Synced Sep 29, 2026, 7:28 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Endophenotype for Alcohol Misuse in Healthy Minority Populations

NCT00256451
View directory record Official record
Conditions
Healthy
Interventions
Naltrexone, placebo, alcohol, Sham alcohol
Drug · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
21 Years and older
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 20, 2019 · Synced Sep 29, 2026, 7:28 AM EDT
Completed Phase 4 Interventional

Naltrexone Treatment for Alcoholic Women

NCT00000448
View directory record Official record
Conditions
Alcoholism, Eating Disorder
Interventions
naltrexone, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 2000
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 6, 2014 · Synced Sep 29, 2026, 7:28 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Naltrexone for At-Risk and Problem Drinking in Smoking Cessation Treatment

NCT00938886
View directory record Official record
Conditions
Hazardous Drinking, Cigarette Smoking
Interventions
Naltrexone, Placebo
Drug
Lead sponsor
Brown University
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated May 14, 2017 · Synced Sep 29, 2026, 7:28 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Targeted Naltrexone to Support Individuals Participating in Dry January

NCT07132177
View directory record Official record
Conditions
Alcohol Misuse
Interventions
Naltrexone (oral tablets)
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Sep 29, 2026, 7:28 AM EDT
Completed Early Phase 1 Interventional

A Novel Anti-Obesity Drug Combination as a Pharmacotherapy for Cocaine Dependence

NCT01739192
View directory record Official record
Conditions
Cocaine Use Disorders
Interventions
Bupropion
Drug
Lead sponsor
Craig Rush
Other
Eligibility
18 Years to 55 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jun 25, 2018 · Synced Sep 29, 2026, 7:28 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetics And Relative Bioavailability Study Of Oxycodone in Healthy Volunteers

NCT01717027
View directory record Official record
Conditions
Healthy
Interventions
Oxycodone
Drug
Lead sponsor
Pain Therapeutics
Industry
Eligibility
18 Years to 55 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 30, 2015 · Synced Sep 29, 2026, 7:28 AM EDT
Completed Phase 3 Interventional

Combined Pharmacotherapies for Alcoholism

NCT00768508
View directory record Official record
Conditions
Alcoholism
Interventions
Ondansetron 4 ug/kg b.i.d. + Cognitive Behavioral Therapy, Naltrexone 50 mg/day + Cognitive Behavioral Therapy, Ondansetron 4 ug/kg b.i.d.+ Naltrexone 50 mg/day + Cognitive Behavioral Therapy, Placebo + Cognitive Behavioral Therapy
Drug · Other
Lead sponsor
Bankole Johnson
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
2
States / cities
Charlottesville, Virginia • Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 14, 2013 · Synced Sep 29, 2026, 7:28 AM EDT
Terminated Phase 2 Interventional Results available

Phase II of Naltrexone in Hormone-Refractory Metastatic Breast Cancer

NCT00379197
View directory record Official record
Conditions
Breast Cancer
Interventions
naltrexone, PET scan
Drug · Procedure
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
18 Years and older · Female only
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2013
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 27, 2017 · Synced Sep 29, 2026, 7:28 AM EDT
Completed Early Phase 1 Interventional Results available

Naltrexone Neuroimaging

NCT04935931
View directory record Official record
Conditions
Eating Disorders, Binge Eating, Purging (Eating Disorders)
Interventions
Naltrexone
Drug
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
13 Years to 21 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 11, 2023 · Synced Sep 29, 2026, 7:28 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Medications for Stopping Cocaine Dependence and Preventing Relapse

NCT00218023
View directory record Official record
Conditions
Cocaine Abuse, Cocaine-Related Disorders
Interventions
Modafinil, Levodopa/Carbidopa, Naltrexone HCl, Placebo, Motivational Interviewing (MI), Contingency management (CM), Cognitive-Behavioral Therapy (CBT)
Drug · Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 55 Years
Enrollment
101 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2012
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 8, 2017 · Synced Sep 29, 2026, 7:28 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Naltrexone and Hypoglycemia in Type 1 Diabetes

NCT01053078
View directory record Official record
Conditions
Type 1 Diabetes, Hypoglycemia Unawareness
Interventions
Naltrexone, Placebo
Drug · Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 65 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 4, 2020 · Synced Sep 29, 2026, 7:28 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Efficacy of Naltrexone in Women's Smoking Cessation

NCT00271024
View directory record Official record
Conditions
Smoking, Smoking Cessation
Interventions
Naltrexone (drug), Placebo (for Naltrexone)
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 65 Years
Enrollment
333 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2010
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 22, 2023 · Synced Sep 29, 2026, 7:28 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Dose Proportionality Study Of PF-00345439 Formulation Under Fed Conditions

NCT02089295
View directory record Official record
Conditions
Healthy
Interventions
Oxycodone
Drug
Lead sponsor
Pain Therapeutics
Industry
Eligibility
18 Years to 55 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
2
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Apr 3, 2016 · Synced Sep 29, 2026, 7:28 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Improving Treatment Outcomes for Prescription Opioid Dependence

NCT02543944
View directory record Official record
Conditions
Drug Dependence
Interventions
Gabapentin, Buprenorphine, Clonidine, Naltrexone (oral), Naltrexone (depot), Placebo
Drug
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 65 Years
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Jul 27, 2022 · Synced Sep 29, 2026, 7:28 AM EDT