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Showing 1–24 of 41 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Low-dose Naltrexone Clear all
Completed Phase 2 Interventional Results available

Low Dose Naltrexone for Glioma Patients

NCT01303835
View directory record Official record
Conditions
Malignant Glioma
Interventions
LDN, Placebo
Drug
Lead sponsor
Katy Peters
Other
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 16, 2015 · Synced Sep 5, 2026, 9:04 AM EDT
Completed Phase 2 Interventional Results available

The Preventive Treatment of Migraine With Low-Dose Naltrexone and Acetaminophen Combination

NCT03194555
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 9, 2024 · Synced Sep 5, 2026, 9:04 AM EDT
Terminated Phase 2 Interventional Results available

Low Dose Naltrexone for Metastatic Melanoma, Castrate Resistant Prostate Cancer and Renal Cancer

NCT01650350
View directory record Official record
Conditions
Melanoma, Prostate Cancer, Renal Cancer
Interventions
Naltrexone
Drug
Lead sponsor
Brown University
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Mar 3, 2022 · Synced Sep 5, 2026, 9:04 AM EDT
Active, not recruiting Phase 2 Interventional

Treating Central Neuropathic Pain With Low Dose Naltrexone for People With Spinal Cord Injury

NCT06723561
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Sep 5, 2026, 9:04 AM EDT
Recruiting Phase 4 Interventional

Low Dose Naltrexone for Pain in Patients With HIV

NCT05537935
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Sep 5, 2026, 9:04 AM EDT
Completed Phase 2 Interventional

Pilot Study Into LDN and NAD+ for Treatment of Patients With Post-COVID-19 Syndrome

NCT04604704
View directory record Official record
Conditions
Covid19, Long COVID-19, Post-COVID-19 Syndrome
Interventions
Naltrexone, NAD+
Drug · Dietary Supplement
Lead sponsor
AgelessRx
Industry
Eligibility
18 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 24, 2023 · Synced Sep 5, 2026, 9:04 AM EDT
Enrolling by invitation Phase 4 Interventional

Low Dose Naltrexone Therapy for Complex Regional Pain Syndrome

NCT06306157
View directory record Official record
Conditions
Complex Regional Pain Syndrome, Chronic Pain, Causalgia, Complex Regional Pain Syndrome Type I, Complex Regional Pain Syndrome Type II
Interventions
Low dose naltrexone, Placebo sugar capsules
Drug
Lead sponsor
Hospital for Special Surgery, New York
Other
Eligibility
18 Years to 85 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Sep 5, 2026, 9:04 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 2, 2022 · Synced Sep 5, 2026, 9:04 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

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

NCT04409041
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 29, 2021 · Synced Sep 5, 2026, 9:04 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 10, 2017 · Synced Sep 5, 2026, 9:04 AM EDT
Completed Phase 2 Interventional

Addition of Naltrexone to Methadone Taper

NCT00135759
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Sep 5, 2026, 9:04 AM EDT
Completed Phase 2 Interventional Results available

Low Dose Naltrexone-buprenorphine Transfer to Vivitrol Injection in Opioid Dependence

NCT01690546
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 31, 2016 · Synced Sep 5, 2026, 9:04 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

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

NCT00743145
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 13, 2018 · Synced Sep 5, 2026, 9:04 AM EDT
Withdrawn Not applicable Interventional

Immune Effects of Low-dose Naltrexone in ME/CFS

NCT02965768
View directory record Official record
Conditions
Fatigue Syndrome, Chronic
Interventions
Naltrexone HCl
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 65 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Sep 1, 2022 · Synced Sep 5, 2026, 9:04 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Low-Dose Naltrexone Combined With Bupropion to Stop Smoking With Less Weight Gain

NCT00129246
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 2, 2020 · Synced Sep 5, 2026, 9:04 AM EDT
Recruiting Not applicable Interventional

Low-Dose Naltrexone for the Treatment of Complex Regional Pain Syndrome

NCT02502162
View directory record Official record
Conditions
Complex Regional Pain Syndrome
Interventions
LDN, Placebo
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 70 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2027
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated May 28, 2025 · Synced Sep 5, 2026, 9:04 AM EDT
Completed Phase 2 Interventional Results available

Low-Dose Naltrexone (LDN) for Depression Relapse and Recurrence

NCT01874951
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 23, 2017 · Synced Sep 5, 2026, 9:04 AM EDT
Completed Phase 2 Interventional Results available

Low Dose Naltrexone for Chronic Pain From Arthritis

NCT03008590
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 2, 2021 · Synced Sep 5, 2026, 9:04 AM EDT
Completed Phase 3 Interventional

A Randomized Placebo-Controlled, Crossover-Design Study of the Effects of Low Dose Naltrexone

NCT00501696
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 18, 2008 · Synced Sep 5, 2026, 9:04 AM EDT
Withdrawn Phase 2 Interventional

Single-Site Study of Naltrexone/Acetaminophen for the Acute Treatment of Migraine: A Phase 2 Randomized Trial

NCT05685225
View directory record Official record
Conditions
Migraine
Interventions
Stage 1: Naltrexone/Acetaminophen, Stage 1: Naltrexone, Stage 1: Acetaminophen, Stage1: Placebo, Stage 2: Naltrxone/Acetaminophen high dose, Stage 2: Naltrexone/Acetaminophen medium dose, Stage 2: Naltrxone/Acetaminophen low dose, Stage 2: Placebo
Drug
Lead sponsor
Allodynic Therapeutics, Inc
Industry
Eligibility
18 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
North Miami, Florida
Source: ClinicalTrials.gov public record
Updated Dec 7, 2025 · Synced Sep 5, 2026, 9:04 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 21, 2025 · Synced Sep 5, 2026, 9:04 AM EDT
Terminated Phase 2 Interventional Results available

Low-dose Naltrexone for Bladder Pain Syndrome

NCT04450316
View directory record Official record
Conditions
Bladder Pain Syndrome, Interstitial Cystitis
Interventions
Naltrexone, Placebo
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Sep 5, 2026, 9:04 AM EDT
Completed Phase 2 Interventional

Low-Dose Naltrexone and Acetaminophen Combination and Its Components in the Acute Treatment of Migraine

NCT03061734
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 Apr 13, 2021 · Synced Sep 5, 2026, 9:04 AM EDT