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ClinicalTrials.gov public records Last synced Oct 11, 2026, 5:15 AM EDT

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Showing 169–192 of 193 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Placebo naltrexone Clear all
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Study of the BIOPIN 6 Naltrexone Implant in Healthy Adults

NCT06216132
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
BIOPIN-6 Active Implant with Naltrexone, BIOPIN-6 Placebo Implant
Combination Product · Device
Lead sponsor
Akyso Therapeutics, LLC
Industry
Eligibility
18 Years to 55 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Oct 11, 2026, 5:15 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 10, 2026 · Synced Oct 11, 2026, 5:15 AM EDT
Completed Phase 4 Interventional Results available

Treatment for Alcoholism and Post-Traumatic Stress Disorder (Naltrexone)

NCT00006489
View directory record Official record
Conditions
Alcoholism, Alcohol Dependence, Post-Traumatic Stress Disorder
Interventions
Cognitive-Behavioral Therapy, Naltrexone, Placebo
Behavioral · Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
165 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 21, 2017 · Synced Oct 11, 2026, 5:15 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 11, 2026, 5:15 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 11, 2026, 5:15 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 11, 2026, 5:15 AM EDT
Completed Phase 3 Interventional Results available

Effectiveness of Gabapentin When Used With Naltrexone to Treat Alcohol Dependence Compared to Placebo and Naltrexone Alone

NCT00183196
View directory record Official record
Conditions
Alcohol Dependence
Interventions
Naltrexone, Naltrexone plus Gabapentin, Inactive Placebo
Drug · Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 70 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2009
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jun 7, 2018 · Synced Oct 11, 2026, 5:15 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 11, 2026, 5:15 AM EDT
Completed Not applicable Interventional Results available

Effect of Naltrexone on Counterregulatory Mechanisms in Hypoglycemia

NCT01462227
View directory record Official record
Conditions
Hypoglycemia
Interventions
Naltrexone High Dose, Naltrexone Low Dose
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 18, 2016 · Synced Oct 11, 2026, 5:15 AM EDT
Terminated Phase 2Phase 3 Interventional Results available

Oral Naltrexone In Pediatric Eating Disorders

NCT05073679
View directory record Official record
Conditions
Anorexia Nervosa/Bulimia, Anorexia in Adolescence, Anorexia Nervosa, Atypical, Anorexia Nervosa, Binge Eating/Purging Type, Purging (Eating Disorders), Impulsive Behavior, Eating Disorders, Bulimia Nervosa, Eating Disorders in Adolescence
Interventions
Naltrexone Hydrochloride, Control
Drug · Other
Lead sponsor
Rosemary Claire Roden
Other
Eligibility
13 Years to 25 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 19, 2025 · Synced Oct 11, 2026, 5:15 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 3, 2020 · Synced Oct 11, 2026, 5:15 AM EDT
Completed Phase 4 Interventional

Treating Alcohol Use In Older Adults With Depression

NCT00018824
View directory record Official record
Conditions
Alcoholism, Depression
Interventions
NALTREXONE, Placebo
Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
55 Years and older
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2005
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 23, 2009 · Synced Oct 11, 2026, 5:15 AM EDT
Completed Phase 4 Interventional

Naltrexone Maintenance Treatment of Alcoholism

NCT00000450
View directory record Official record
Conditions
Alcoholism
Interventions
Naltrexone Tablet, Matched Placebo Tablet
Drug
Lead sponsor
The Scripps Research Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
159 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2002
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Apr 20, 2017 · Synced Oct 11, 2026, 5:15 AM EDT
Not listed Phase 1 Interventional

Single-Blind Study of STAT-205 in Mild COVID-19

NCT04708327
View directory record Official record
Conditions
COVID-19
Interventions
STAT-205
Drug
Lead sponsor
Cytocom, Inc.
Industry
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
2
States / cities
Loma Linda, California • Pompano Beach, Florida
Source: ClinicalTrials.gov public record
Updated Dec 22, 2021 · Synced Oct 11, 2026, 5:15 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 11, 2026, 5:15 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

IC PaIN Trial: Interstitial Cystitis Pain Improvement With Naltrexone

NCT04313972
View directory record Official record
Conditions
Interstitial Cystitis, Painful Bladder Syndrome, Bladder Pain Syndrome, Low Dose Naltrexone, Low-dose Naltrexone, Naltrexone
Interventions
low-dose naltrexone, Placebo oral tablet
Drug
Lead sponsor
Endeavor Health
Other
Eligibility
18 Years to 110 Years · Female only
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Skokie, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 7, 2025 · Synced Oct 11, 2026, 5:15 AM EDT
Completed Phase 2 Interventional

Naltrexone and Clonidine Combination (ATNC05) in the Treatment of Chronic Back Pain

NCT01415895
View directory record Official record
Conditions
Back Pain, Lower Back Pain, Cervical Pain
Interventions
Naltrexone and Clonidine Combination, placebo
Drug
Lead sponsor
Annette C. Toledano MD
Industry
Eligibility
19 Years to 70 Years
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
North Miami, Florida
Source: ClinicalTrials.gov public record
Updated Apr 14, 2021 · Synced Oct 11, 2026, 5:15 AM EDT
Completed Phase 4 Interventional

Tobacco Dependence in Alcoholism Treatment (Nicotine Patch/Naltrexone)

NCT00000437
View directory record Official record
Conditions
Alcoholism, Smoking
Interventions
Naltrexone Tablet and Nicotine Patch, Naltrexone Tablet and Placebo Patch, Placebo Tablet and Nicotine Patch, Placebo Tablet and Placebo Patch
Drug
Lead sponsor
The Scripps Research Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2005
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Apr 20, 2017 · Synced Oct 11, 2026, 5:15 AM EDT
Completed Phase 3 Interventional

Pharmacological and Behavioral Treatment After Bariatric Surgery

NCT05157698
View directory record Official record
Conditions
Obesity
Interventions
Naltrexone and Bupropion Combination, Behavioral Weight Loss, Placebo
Drug · Behavioral · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 70 Years
Enrollment
84 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 Sep 21, 2026 · Synced Oct 11, 2026, 5:15 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 11, 2026, 5:15 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 11, 2026, 5:15 AM EDT
Completed Phase 2Phase 3 Interventional

Low-Dose Naltrexone and Acetaminophen Combination and Sumatriptan in the Acute Treatment of Migraine With Nausea

NCT03185143
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 14, 2021 · Synced Oct 11, 2026, 5:15 AM EDT
Completed Phase 1 Interventional

Double-Blind Trial of Ketamine Therapy Plus or Minus Naltrexone in Treatment Resistant Depression (TRD)

NCT02911597
View directory record Official record
Conditions
Depression
Interventions
Naltrexone
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 70 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Apr 24, 2018 · Synced Oct 11, 2026, 5:15 AM EDT
Recruiting Phase 2Phase 3 Interventional

Efficacy of Buprenorphine and XR-Naltrexone Combination for Relapse Prevention in Opioid Use Disorder

NCT05011266
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
Buprenorphine/naloxone, Placebo
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
2
States / cities
Rockville, Maryland • New York, New York
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Oct 11, 2026, 5:15 AM EDT