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ClinicalTrials.gov public records Last synced Oct 5, 2026, 9:13 AM EDT

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Showing 73–96 of 157 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Naltrexone or Placebo Clear all
Completed Phase 2 Interventional

Low-Dose Naltrexone and Acetaminophen Combination in the Treatment of Chronic Low Back Pain (ANODYNE-4)

NCT03201393
View directory record Official record
Conditions
Chronic Low Back Pain, Lumbar Radiculopathy
Interventions
Low-dose naltrexone and acetaminophen combination, Placebo
Drug
Lead sponsor
Allodynic Therapeutics, Inc
Industry
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
North Miami, Florida
Source: ClinicalTrials.gov public record
Updated Apr 14, 2021 · Synced Oct 5, 2026, 9:13 AM EDT
Completed Phase 3 Interventional Results available

A Research Study of an Investigational Drug ALO-02 (Oxycodone Hydrochloride and Naltrexone Hydrochloride) in Patients With Moderate to Severe Chronic Low Back Pain

NCT01571362
View directory record Official record
Conditions
Chronic Pain, Low Back Pain, Analgesia
Interventions
ALO-02, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
410 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
52
States / cities
Mobile, Alabama • Goodyear, Arizona • Phoenix, Arizona + 38 more
Source: ClinicalTrials.gov public record
Updated Apr 4, 2017 · Synced Oct 5, 2026, 9:13 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 5, 2020 · Synced Oct 5, 2026, 9:13 AM EDT
Withdrawn Phase 2 Interventional

Treatment of Chronic Itch in Atopic Dermatitis With Topical Naltrexone

NCT04154033
View directory record Official record
Conditions
Atopic Dermatitis, Pruritus, Dermatitis
Interventions
Naltrexone, Placebo Cream
Drug · Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 20, 2021 · Synced Oct 5, 2026, 9:13 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 26, 2018 · Synced Oct 5, 2026, 9:13 AM EDT
Completed Phase 2 Interventional Results available

Medication Development in Alcoholism: Acamprosate Versus Naltrexone

NCT00656630
View directory record Official record
Conditions
Alcoholism
Interventions
Acamprosate, Naltrexone, Placebo
Drug
Lead sponsor
The Scripps Research Institute
Other
Eligibility
18 Years to 55 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Mar 29, 2017 · Synced Oct 5, 2026, 9:13 AM EDT
Recruiting Phase 2 Interventional

Low-Dose Naltrexone for the Treatment of Painful Diabetic Neuropathy

NCT04678895
View directory record Official record
Conditions
Painful Diabetic Neuropathy
Interventions
Naltrexone, Placebo
Drug
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Oct 5, 2026, 9:13 AM EDT
Terminated Phase 4 Interventional Results available

Safety Study to Assess Opiate Withdrawal Signs and Symptoms in Opioid Dependent Patients

NCT01100437
View directory record Official record
Conditions
Chronic Pain
Interventions
EMBEDA™ (morphine sulfate/naltrexone hydrochloride) crush, EMBEDA™ (morphine sulfate/naltrexone hydrochloride) whole
Drug
Lead sponsor
Pfizer
Industry
Eligibility
21 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jul 13, 2012 · Synced Oct 5, 2026, 9:13 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 5, 2026, 9:13 AM EDT
Completed Phase 2 Interventional Results available

The Effect of Naltrexone and Varenicline on Alcohol-Mediated Smoking Lapse

NCT00773422
View directory record Official record
Conditions
Smoking
Interventions
naltrexone, varenicline, placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 55 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2016
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 23, 2018 · Synced Oct 5, 2026, 9:13 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 5, 2026, 9:13 AM EDT
Completed Phase 4 Interventional

Naltrexone Treatment of Alcohol Abuse in Schizophrenia

NCT00145847
View directory record Official record
Conditions
Schizophrenia, Mental Disorders, Alcohol Abuse, Alcoholism, Alcohol-related Disorders
Interventions
Naltrexone or Placebo
Drug
Lead sponsor
State University of New York - Upstate Medical University
Other
Eligibility
18 Years to 69 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
4
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Jan 8, 2013 · Synced Oct 5, 2026, 9:13 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Neuropharmacological Basis of Social Connection: The Role of Opioids

NCT01672723
View directory record Official record
Conditions
Psychology, Social
Interventions
Naltrexone
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 35 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 14, 2016 · Synced Oct 5, 2026, 9:13 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Naltrexone for Opioid Dependent Released Human Immunodeficiency Virus Positive (HIV+) Criminal Justice Populations

NCT01246401
View directory record Official record
Conditions
HIV, AIDS, Opioid Dependence, Drug Dependence
Interventions
Extended-Release Naltrexone
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
151 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
3
States / cities
Hartford, Connecticut • New Haven, Connecticut • Springfield, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 19, 2020 · Synced Oct 5, 2026, 9:13 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 2, 2022 · Synced Oct 5, 2026, 9:13 AM EDT
Withdrawn Phase 2 Interventional

Treatment of Chronic Itch in Atopic Dermatitis With Opioid Antagonist Naltrexone

NCT04325802
View directory record Official record
Conditions
Atopic Dermatitis, Pruritus, Pruritus Chronic, Dermatitis
Interventions
Naltrexone, Placebo
Drug · Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 4, 2023 · Synced Oct 5, 2026, 9:13 AM EDT
Completed Phase 2 Interventional

An Acute Migraine Factorial Study

NCT06245902
View directory record Official record
Conditions
Migraine With or Without Aura
Interventions
Naltrexone and Acetaminophen, Naltrexone and Acetaminophen-High Dose, Naltrexone Alone (regular dose), Acetaminophen Alone, Matching Placebo
Drug
Lead sponsor
Allodynic Therapeutics, Inc
Industry
Eligibility
18 Years and older
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
North Miami, Florida
Source: ClinicalTrials.gov public record
Updated Feb 7, 2024 · Synced Oct 5, 2026, 9:13 AM EDT
Completed Phase 2 Interventional

Study to Evaluate the Subjective Effects of PTI-801 in Non-Physically Dependent Subjects With a History of Drug Abuse

NCT00734461
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
oxycodone and naltrexone
Drug
Lead sponsor
Pain Therapeutics
Industry
Eligibility
18 Years to 65 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 2, 2016 · Synced Oct 5, 2026, 9:13 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

An fMRI Study of Opioid-related Changes in Neural Activity

NCT02818036
View directory record Official record
Conditions
Social Acceptance
Interventions
Naltrexone, Placebo
Drug
Lead sponsor
Tristen Inagaki
Other
Eligibility
18 Years to 35 Years
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 23, 2019 · Synced Oct 5, 2026, 9:13 AM EDT
Recruiting Phase 2 Interventional

LIFT: Life Improvement Trial

NCT06366724
View directory record Official record
Conditions
ME/CFS, Long COVID, PASC
Interventions
Pyridostigmine, Low-Dose Naltrexone, Placebo
Drug · Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 22, 2025 · Synced Oct 5, 2026, 9:13 AM EDT
Completed Phase 2 Interventional Results available

Memantine and Naltrexone Treatment for Opioid Dependence

NCT00125515
View directory record Official record
Conditions
Opioid Dependence
Interventions
Memantine, Naltrexone
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 18, 2018 · Synced Oct 5, 2026, 9:13 AM EDT
Completed Phase 2 Interventional

Low Dose Naltrexone to Improve Physical Health in Patients With Vasculitis

NCT03482479
View directory record Official record
Conditions
Eosinophilic Granulomatosis With Polyangiitis (EGPA), Churg-Strauss Syndrome (CSS), Giant Cell Arteritis, Granulomatosis With Polyangiitis, Microscopic Polyangiitis, Polyarteritis Nodosa, Takayasu Arteritis
Interventions
Naltrexone Hydrochloride, Placebo Comparator
Drug · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
6
States / cities
Boston, Massachusetts • Rochester, Minnesota • Cleveland, Ohio + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Oct 5, 2026, 9:13 AM EDT
Completed Not applicable Interventional Results available

Low Dose Naltrexone (LDN) Immune Monitoring

NCT02107014
View directory record Official record
Conditions
Fibromyalgia
Interventions
Low Dose Naltrexone
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Apr 11, 2017 · Synced Oct 5, 2026, 9:13 AM EDT
Recruiting Phase 2Phase 3 Interventional

Effectiveness of Alternative Therapies in Maintaining Weight Loss Achieved by GLP-1 Medications Post-Cessation

NCT07092618
View directory record Official record
Conditions
Longevity, GLP-1, Geroscience, Aging
Interventions
Metformin, Rapamycin, Naltrexone, Vitamin C
Drug · Dietary Supplement
Lead sponsor
AgelessRx
Industry
Eligibility
40 Years to 85 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 30, 2025 · Synced Oct 5, 2026, 9:13 AM EDT