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ClinicalTrials.gov public records Last synced Oct 17, 2026, 11:14 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 58 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Naltrexone Pill Clear all
Completed Phase 2Phase 3 Interventional Results available

Pharmacological and Behavioral Treatments After Bariatric Surgery: Maintenance Treatment (Stage 2a)

NCT04605081
View directory record Official record
Conditions
Loss-of-Control Eating, Obesity/Overweight
Interventions
Naltrexone and Bupropion (NB) medication, Placebo
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Oct 17, 2026, 11:14 AM EDT
Completed Phase 2 Interventional Results available

Naltrexone for Individuals of East Asian Descent

NCT02026011
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Naltrexone, Placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years to 65 Years
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 17, 2019 · Synced Oct 17, 2026, 11:14 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 17, 2026, 11:14 AM EDT
Completed Phase 2 Interventional Results available

The Efficacy of Low Dose Naltrexone Therapy in Children With Crohn's Disease

NCT00715117
View directory record Official record
Conditions
Crohn's Disease
Interventions
Naltrexone, Placebo, sugar pill
Drug · Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
6 Years to 17 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 6, 2018 · Synced Oct 17, 2026, 11:14 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 23, 2023 · Synced Oct 17, 2026, 11:14 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 29, 2026 · Synced Oct 17, 2026, 11:14 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 17, 2026, 11:14 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Behavioral and Pharmacologic Treatment of Binge Eating and Obesity: Acute Treatment

NCT03045341
View directory record Official record
Conditions
Binge-eating Disorder, Obesity
Interventions
NB medication (Naltrexone Bupropion combination), Behavioral Weight Loss (BWL) counseling, Placebo
Drug · Behavioral · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 70 Years
Enrollment
136 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 Mar 8, 2023 · Synced Oct 17, 2026, 11:14 AM EDT
Recruiting Phase 2 Interventional

Low Dose Naltrexone (LDN) for Management of Fatigue in Prostate Cancer Patients on Androgen Deprivation Therapy (ADT)

NCT07224009
View directory record Official record
Conditions
Metastatic Prostate Cancer
Interventions
Naltrexone
Drug
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years and older · Male only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Oct 17, 2026, 11:14 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 17, 2026, 11:14 AM EDT
Completed Phase 4 Interventional Results available

Pharmacogenetic Response to Naltrexone For Alcohol Dependence

NCT00831272
View directory record Official record
Conditions
Alcohol Dependence
Interventions
naltrexone, Placebo
Drug
Lead sponsor
David Oslin
Other
Eligibility
18 Years and older
Enrollment
221 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
4
States / cities
Danville, Pennsylvania • Philadelphia, Pennsylvania • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 11, 2017 · Synced Oct 17, 2026, 11:14 AM EDT
Completed Phase 2 Interventional Results available

N-Acetyl Cysteine Plus Naltrexone in Methamphetamine Dependence

NCT00332605
View directory record Official record
Conditions
Methamphetamine Dependence
Interventions
Naltrexone plus N-Acetyl Cysteine, Placebo
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 65 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 23, 2022 · Synced Oct 17, 2026, 11:14 AM EDT
Completed Phase 2 Interventional Results available

Effects of Naltrexone on Nicotine Reinforcement

NCT00270231
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Naltrexone, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 10, 2013 · Synced Oct 17, 2026, 11:14 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 17, 2026, 11:14 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 10, 2026 · Synced Oct 17, 2026, 11:14 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 15, 2013 · Synced Oct 17, 2026, 11:14 AM EDT
Completed Phase 4 Interventional Results available

Real World Effectiveness of Combining an Employer-based Weight Management Program With Medication for Chronic Weight Management in Employees With Obesity

NCT03799198
View directory record Official record
Conditions
Obesity
Interventions
Weight Management Program (WMP), Medication for chronic weight management (Rx)
Other · Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 14, 2022 · Synced Oct 17, 2026, 11:14 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 17, 2026, 11:14 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 31, 2026 · Synced Oct 17, 2026, 11:14 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Effects of Naltrexone on Nocturnal Breathing Patterns at Altitude

NCT05037032
View directory record Official record
Conditions
Altitude, Sleep Apnea, Central
Interventions
Naltrexone Pill, Placebo
Drug
Lead sponsor
VA Loma Linda Health Care System
Federal
Eligibility
18 Years to 35 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Apr 26, 2023 · Synced Oct 17, 2026, 11:14 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 17, 2026, 11:14 AM EDT
Not listed Phase 4 Interventional

Bridging ED to Outpatient AUD Therapy With Naltrexone

NCT05228418
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Naltrexone Pill
Drug
Lead sponsor
Albert Einstein Healthcare Network
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 8, 2022 · Synced Oct 17, 2026, 11:14 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Efficacy and Mechanisms of Naltrexone+Bupropion for Binge Eating Disorder

NCT03539900
View directory record Official record
Conditions
Binge-Eating Disorder
Interventions
Bupropion Hydrochloride, Naltrexone Hydrochoride Drug Combination, Placebo
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 70 Years
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 3, 2024 · Synced Oct 17, 2026, 11:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Attenuation of Pain in Men and Women

NCT01220414
View directory record Official record
Conditions
Pain
Interventions
Naltrexone, then placebo, Placebo, then Naltrexone
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 40 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 19, 2018 · Synced Oct 17, 2026, 11:14 AM EDT