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ClinicalTrials.gov public records Last synced Oct 2, 2026, 5:19 AM EDT

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Showing 49–72 of 193 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Placebo naltrexone Clear all
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 27, 2025 · Synced Oct 2, 2026, 5:19 AM EDT
Completed Phase 3 Interventional

Naltrexone in Two Models of Psychosocial Treatments for Cocaine and Alcohol Dependence

NCT00167232
View directory record Official record
Conditions
Cocaine Dependence, Alcoholism
Interventions
Naltrexone
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
164 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2003
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 28, 2018 · Synced Oct 2, 2026, 5:19 AM EDT
Completed Phase 2 Interventional Results available

An Exploratory Study of Naltrexone Plus Aripiprazole for Alcohol Dependence

NCT00667875
View directory record Official record
Conditions
Alcohol Dependence
Interventions
Placebo, Naltrexone, Naltrexone + Aripiprazole
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 70 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Sep 29, 2017 · Synced Oct 2, 2026, 5:19 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Will Having Alcohol Treatment Improve Functioning?

NCT01245647
View directory record Official record
Conditions
HIV, Alcoholism
Interventions
Naltrexone, 50mg, once per day for 4 months, Sugar pill, 50mg, once per day for 4 months
Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older · Female only
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
3
States / cities
Washington D.C., District of Columbia • Jacksonville, Florida • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 7, 2018 · Synced Oct 2, 2026, 5:19 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Pharmacological and Behavioral Treatment After Bariatric Surgery: Acute (Stage 1)

NCT04599478
View directory record Official record
Conditions
Loss-of-control Eating, Obesity/Overweight
Interventions
Naltrexone and Bupropion medication, Behavioral Weight Loss, Placebo
Drug · Behavioral · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 70 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Oct 2, 2026, 5:19 AM EDT
Completed Phase 3 Interventional Results available

A Safety and Efficacy Study of Naltrexone SR/Bupropion SR and Placebo in Overweight and Obese Subjects Participating in an Intensive Behavior Modification Program

NCT00456521
View directory record Official record
Conditions
Obesity, Overweight
Interventions
Naltrexone SR 32 mg/ bupropion SR 360 mg/ day, Placebo, Intensive group lifestyle modification counseling
Drug · Behavioral
Lead sponsor
Orexigen Therapeutics, Inc
Industry
Eligibility
18 Years to 65 Years
Enrollment
793 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
9
States / cities
La Jolla, California • Denver, Colorado • Gainesville, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Dec 17, 2014 · Synced Oct 2, 2026, 5:19 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Evaluate the Effect of Naltrexone and Bupropion Extended-Release Combination on Cardiac Repolarization in Healthy Participants

NCT02735603
View directory record Official record
Conditions
Heart Repolarization
Interventions
Naltrexone HCl/bupropion HCl, Placebo, Moxifloxacin
Drug · Other
Lead sponsor
Orexigen Therapeutics, Inc
Industry
Eligibility
18 Years to 55 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Nov 1, 2016 · Synced Oct 2, 2026, 5:19 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 15, 2017 · Synced Oct 2, 2026, 5:19 AM EDT
Completed Phase 2 Interventional Results available

Double-Blind Naltrexone in Kleptomania

NCT00332579
View directory record Official record
Conditions
Kleptomania
Interventions
Naltrexone, Placebo
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
21 Years to 75 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 29, 2019 · Synced Oct 2, 2026, 5:19 AM EDT
Completed Phase 4 Interventional

Sertraline for Alcohol Dependence and Depression

NCT00004554
View directory record Official record
Conditions
Alcoholism, Depression
Interventions
naltrexone (Revia), sertraline (Zoloft), Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
21 Years to 65 Years
Enrollment
171 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2006
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 6, 2015 · Synced Oct 2, 2026, 5:19 AM EDT
Completed Phase 4 Interventional

Naltrexone, Craving, and Drinking

NCT00006203
View directory record Official record
Conditions
Alcoholism
Interventions
Naltrexone 50 Mg, Placebo
Drug
Lead sponsor
Brown University
Other
Eligibility
21 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2005
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jun 13, 2025 · Synced Oct 2, 2026, 5:19 AM EDT
Withdrawn Phase 4 Interventional

Evaluation of Naltrexone as a Treatment for Self-injurious Behavior

NCT02726035
View directory record Official record
Conditions
Self-injurious Behavior, Self Mutilation
Interventions
Naltrexone, Placebo
Drug · Other
Lead sponsor
Western Michigan University School of Medicine
Other
Eligibility
13 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Kalamazoo, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 6, 2017 · Synced Oct 2, 2026, 5:19 AM EDT
Completed Not applicable Interventional Results available

Alcohol Pharmacotherapy for HIV+ Prisoners

NCT01077310
View directory record Official record
Conditions
Alcohol Dependence, Problem Drinking, Hazardous Drinking, Human Immunodeficiency Virus, AIDS
Interventions
Vivitrol- Intramuscular naltrexone (depot-formulation), Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 30, 2017 · Synced Oct 2, 2026, 5:19 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 7, 2014 · Synced Oct 2, 2026, 5:19 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Clinical Trial to Reduce Drinking in Women With HIV

NCT01625091
View directory record Official record
Conditions
HIV Infection
Interventions
Naltrexone, Placebo
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older · Female only
Enrollment
194 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
2
States / cities
Coral Gables, Florida • Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jul 10, 2018 · Synced Oct 2, 2026, 5:19 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Control of Cognition (Naltrexone, Methylphenidate, and ADHD Study (NMAS))

NCT01993108
View directory record Official record
Conditions
Healthy, Attention Deficit Hyperactivity Disorder
Interventions
Methylphenidate, Naltrexone, Placebo
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 35 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 18, 2018 · Synced Oct 2, 2026, 5:19 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 13, 2017 · Synced Oct 2, 2026, 5:19 AM EDT
Completed Phase 2 Interventional Results available

A Study Using Functional Magnetic Resonance Imaging (fMRI) to Assess the Effects of Naltrexone SR/ Bupropion SR Therapy in Overweight or Obese Subjects

NCT00711477
View directory record Official record
Conditions
Obesity
Interventions
Naltrexone SR 32 mg/bupropion SR 360 mg/day, Placebo, fMRI scan
Drug · Other
Lead sponsor
Orexigen Therapeutics, Inc
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Upton, New York
Source: ClinicalTrials.gov public record
Updated Jan 6, 2015 · Synced Oct 2, 2026, 5:19 AM EDT
Completed Phase 2 Interventional

Behavioral Naltrexone Therapy: A Novel Treatment for Heroin Dependence

NCT00332228
View directory record Official record
Conditions
Opiate Dependence
Interventions
depot naltrexone, Compliance enhancement (CE), BNT
Drug · Behavioral
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2007
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 26, 2012 · Synced Oct 2, 2026, 5:19 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Cognitive-Behavioral and Pharmacologic (LDX) Treatment of Binge-Eating Disorder and Obesity: Medication Change for Non-Responders

NCT03946111
View directory record Official record
Conditions
Binge-Eating Disorder, Obesity
Interventions
Naltrexone and Bupropion, Placebo
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 64 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 9, 2026 · Synced Oct 2, 2026, 5:19 AM EDT
Terminated Phase 3 Interventional Results available

Low-Dose Naltrexone in Combination With Standard Treatment in Women With Endometriosis

NCT03970330
View directory record Official record
Conditions
Endometriosis
Interventions
Naltrexone, Norethindrone Acetate, Placebo
Drug
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 3, 2022 · Synced Oct 2, 2026, 5:19 AM EDT
Completed Phase 4 Interventional Results available

Prevention of Stimulant-Induced Euphoria With an Opioid Receptor Antagonist

NCT01673594
View directory record Official record
Conditions
ADHD, Stimulant-Induced Euphoria
Interventions
SODAS MPH, Naltrexone
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 30 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 30, 2016 · Synced Oct 2, 2026, 5:19 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Opioid Modulation and Neural Reward Activation in Healthy Adults

NCT04854551
View directory record Official record
Conditions
Alcohol Drinking, Opioid Use, Unspecified
Interventions
Naltrexone, Placebo
Drug · Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 35 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 28, 2023 · Synced Oct 2, 2026, 5:19 AM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

Combination Gerotherapeutic Interventions for Healthspan Improvement

NCT07475546
View directory record Official record
Conditions
Healthspan Improvement, Aging, Longevity
Interventions
Rapamycin, Naltrexone, Metformin, NAD+, GSH, Infinite Supplement, Placebo/control, B12, Intervention: Guided Meditation Program, Control: Podcast Listening Activity, Control: Standard Exercise Regimen, Intervention: Structured Exercise Program
Drug · Dietary Supplement · Behavioral
Lead sponsor
AgelessRx
Industry
Eligibility
60 Years to 80 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 16, 2026 · Synced Oct 2, 2026, 5:19 AM EDT