Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 22, 2026, 4:39 PM EDT

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Showing 1–24 of 55 matching trials from the live ClinicalTrials.gov search.
Conditions
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Interventions
Low-Dose Naltrexone, 1.5mg, Low-Dose Naltrexone, 3.0mg, Low-Dose Naltrexone, 4.5mg, Low-Dose Naltrexone, 6.0mg
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 65 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Multiple Sclerosis
Interventions
4.5 mg Naltrexone, Naltrexone
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 86 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
1
States / cities
San Francisco, California
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
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
Completed Phase 2 Interventional Accepts healthy volunteers Results available

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

NCT04409041
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
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
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
Conditions
Migraine With and Without Aura
Interventions
Naltrexone and Acetaminophen Combination, Sumatriptan 100 mg, Placebo
Drug
Lead sponsor
Allodynic Therapeutics, Inc
Industry
Eligibility
18 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
North Miami, Florida
Conditions
Obesity & Overweight, Cardiometabolic Health Indicators
Interventions
GLP-1 dose reduction, non-GLP weight loss medication, Maintenance of GLP-1 dose, Resistance exercise regimen, Lifestyle/nutrition counseling
Drug · Behavioral
Lead sponsor
Jing Luo
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Smoking, Nicotine Dependence
Interventions
Naltrexone, Bupropion
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
New Haven, Connecticut
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Effects of Low-dose Naltrexone in Combination With a Range of Smoked Marijuana

NCT00743145
Conditions
Marijuana Smoking
Interventions
Inactive Marijuana (0% THC), Active Marijuana (5.5% THC), Active Marijuana (6.2% THC), Naltrexone, Placebo naltrexone
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 45 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
New York, New York
Completed Phase 2 Interventional Results available

Low Dose Naltrexone for Chronic Pain From Arthritis

NCT03008590
Conditions
Osteoarthritis, Arthritis, Rheumatoid, Arthritis, Psoriatic
Interventions
Naltrexone, Placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
Not listed
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Major Depressive Disorder, Depression, Unipolar, Recurrence, Relapse
Interventions
Naltrexone, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
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
Conditions
Heroin Dependence, Opioid-Related Disorders, Substance-Related Disorders
Interventions
naltrexone, Placebo comparator
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 65 Years
Enrollment
174 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Opiate Dependence
Interventions
very low dose naltrexone, extended release naltrexone, buprenorphine/naloxone
Drug
Lead sponsor
Paolo Mannelli
Other
Eligibility
18 Years to 65 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Central Neuropathic Pain, Spinal Cord Injury
Interventions
4.5mg daily dose of naltrexone
Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Conditions
Substance Use Disorders, Substance Abuse, Substance Use, Substance Dependence
Interventions
The Bridge
Device
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 99 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Cleveland, Ohio
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Endogenous Modulation and Central Sensitization in New Daily Persistent Headache ( NDPH ) in Children

NCT03447782
Conditions
New Daily Persistent Headache (NDPH)
Interventions
Naltrexone HCl (Bulk) Powder
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
10 Years to 17 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Results available

Effects of Low Dose Naltrexone in Fibromyalgia

NCT00568555
Conditions
Fibromyalgia, Persian Gulf Syndrome
Interventions
Low Dose Naltrexone, Placebo - sugar pill
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 65 Years
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Stanford, California
Conditions
Human Immunodeficiency Virus, Chronic Neuropathic Pain
Interventions
Low Dose Naltrexone
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
3
States / cities
Atlanta, Georgia
Conditions
Systemic Lupus Erythematosus, Rheumatoid Arthritis, Multiple Sclerosis, Autoimmune Diseases, Chronic Inflammatory Syndromes, Immune Dysregulation
Interventions
Low-Frequency Electromagnetic Resonance Therapy (LF-EMR), Sham Resonance Device (Inactive Control), Low-Dose Naltrexone (LDN)
Device · Drug
Lead sponsor
Truway Health, Inc.
Industry
Eligibility
Not listed
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2034
U.S. locations
1
States / cities
New York, New York
Withdrawn Phase 2 Interventional Accepts healthy volunteers

Low Dose Naltrexone in Symptomatic Inflammatory Bowel Disease

NCT01810185
Conditions
Inflammatory Bowel Disease, Crohn's Disease, Ulcerative Colitis
Interventions
Low dose naltrexone, Placebo
Drug
Lead sponsor
Santa Barbara Cottage Hospital
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Santa Barbara, California
Conditions
Migraine With or Without Aura
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