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Showing 1–24 of 33 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Stage 1: Naltrexone Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Study for Naltrexone on the Abuse Potential of Methylphenidate

NCT03769064
View directory record Official record
Conditions
Naltrexone, Methylphenidate Abuse
Interventions
Placebo, Methylphenidate 60 mg, Treatment Phase Sequence 4213, Treatment Phase Sequence 2134, Treatment Phase Sequence 1342, Treatment Phase Sequence 3421
Drug
Lead sponsor
Avekshan LLC
Industry
Eligibility
18 Years to 45 Years
Enrollment
94 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Dec 6, 2018 · Synced Sep 24, 2026, 3:06 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Medications for Stopping Cocaine Dependence and Preventing Relapse

NCT00218023
View directory record Official record
Conditions
Cocaine Abuse, Cocaine-Related Disorders
Interventions
Modafinil, Levodopa/Carbidopa, Naltrexone HCl, Placebo, Motivational Interviewing (MI), Contingency management (CM), Cognitive-Behavioral Therapy (CBT)
Drug · Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 55 Years
Enrollment
101 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2012
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 8, 2017 · Synced Sep 24, 2026, 3:06 AM EDT
Completed Phase 2 Interventional Results available

Adaptive Nutrition and Exercise Weight Loss (A-NEW) Study

NCT04499950
View directory record Official record
Conditions
Breast Cancer, Overweight or Obesity
Interventions
Contrave, Behavioral Weight Loss
Drug · Behavioral
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older · Female only
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 5, 2025 · Synced Sep 24, 2026, 3:06 AM EDT
Completed Phase 2 Interventional Results available

VIVITROL as a Treatment for Cocaine and Alcohol Dependence

NCT00777062
View directory record Official record
Conditions
Cocaine Dependence, Alcohol Dependence
Interventions
VIVITROL (Naltrexone extended-release injectable suspension), Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 25, 2018 · Synced Sep 24, 2026, 3:06 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study of PF614 Compared to OxyContin® in Healthy Volunteers (PF614-101)

NCT02454712
View directory record Official record
Conditions
Healthy
Interventions
PF614, Oxycodone extended-release, Naltrexone Hydrochloride
Drug
Lead sponsor
Ensysce Biosciences
Industry
Eligibility
18 Years to 50 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Oct 1, 2024 · Synced Sep 24, 2026, 3:06 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Bioequivalence Study Comparing Naltrexone SR/Bupropion SR Trilayer Tablets From Two Manufacturers

NCT02259179
View directory record Official record
Conditions
Healthy
Interventions
Reference naltrexone 8 mg SR/bupropion 90 mg SR combination trilayer tablets (2 tablets), Test naltrexone 8 mg SR/bupropion 90 mg SR combination trilayer tablets (2 tablets)
Drug
Lead sponsor
Orexigen Therapeutics, Inc
Industry
Eligibility
18 Years to 60 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Dec 10, 2014 · Synced Sep 24, 2026, 3:06 AM EDT
Completed Phase 2Phase 3 Interventional Results available

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

NCT03063606
View directory record Official record
Conditions
Binge-Eating Disorder, Obesity
Interventions
Cognitive-Behavioral Therapy (CBT), NB Medication (on-going from acute treatment)
Behavioral · Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 70 Years
Enrollment
31 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 Jan 31, 2024 · Synced Sep 24, 2026, 3:06 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Phase 1 Naltrexone-Bupropion-Methamphetamine Interaction Study

NCT01359930
View directory record Official record
Conditions
Methamphetamine Dependence
Interventions
placebo, Naltrexone and Bupropion SR
Other · Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Years to 50 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Sep 24, 2026, 3:06 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 24, 2026, 3:06 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 19, 2021 · Synced Sep 24, 2026, 3:06 AM EDT
Completed Phase 3 Interventional

A Study to Evaluate Safety and Efficacy Following Dosing of Oxycodone/Naltrexone for Treatment of Adults With Pain Following Bunionectomy Surgery

NCT02401750
View directory record Official record
Conditions
Pain
Interventions
Oxycodone Naltrexone (a), Oxycodone Naltrexone (b), Placebo
Drug
Lead sponsor
Elite Laboratories, Inc
Industry
Eligibility
18 Years to 75 Years
Enrollment
163 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
5
States / cities
Phoenix, Arizona • Pasadena, Maryland • Austin, Texas + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 8, 2016 · Synced Sep 24, 2026, 3:06 AM EDT
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 27, 2026 · Synced Sep 24, 2026, 3:06 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 24, 2026, 3:06 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

iSTEP-N 101b: Pharmacokinetics and Safety Study of Low- and High-Dose Naltrexone Implants vs Monthly Vivitrol in Healthy Volunteers

NCT07064564
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Naltrexone implant, 14.4 grams, Naltrexone implant, 9.6 grams, Extended-release naltrexone injection, 380 mg
Drug
Lead sponsor
Akyso Therapeutics, LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Millcreek, Utah
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Sep 24, 2026, 3:06 AM EDT
Not listed Phase 2Phase 3 Interventional Accepts healthy volunteers

Study of Bupropion Versus Bupropion + Naltrexone for Smoking Cessation

NCT00419731
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Bupropion, Bupropion + Naltrexone
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 2, 2009 · Synced Sep 24, 2026, 3:06 AM EDT
Terminated Phase 2 Interventional Results available

Study of Immunomodulation Using Naltrexone and Ketamine for COVID-19

NCT04365985
View directory record Official record
Conditions
COVID-19, Acute Respiratory Distress Syndrome, Severe Acute Respiratory Syndrome (SARS), Coronavirus Infections
Interventions
Naltrexone, Ketamine, Placebo
Drug · Other
Lead sponsor
Corewell Health East
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 25, 2022 · Synced Sep 24, 2026, 3:06 AM EDT
Not listed Phase 3 Interventional

Phase III Trial Assessing the Efficacy and Safety of PXT3003 in CMT1A Patients

NCT04762758
View directory record Official record
Conditions
Charcot-Marie-Tooth Disease
Interventions
(RS)-baclofen, naltrexone hydrochloride and D-sorbitol, Placebo
Drug
Lead sponsor
Pharnext S.C.A.
Other
Eligibility
16 Years to 65 Years
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
20
States / cities
Los Angeles, California • Sacramento, California • New Britain, Connecticut + 16 more
Source: ClinicalTrials.gov public record
Updated Apr 2, 2024 · Synced Sep 24, 2026, 3:06 AM EDT
Withdrawn Phase 4 Interventional

Efficacy of Naltrexone HCl/Bupropion HCl Extended Release Versus Placebo for Treatment of Weight Regain in Participants Post Bariatric Surgery

NCT02616315
View directory record Official record
Conditions
Weight Regain Post Bariatric Surgery
Interventions
Naltrexone HCl/Bupropion HCl Placebo, Naltrexone HCl/Bupropion HCl
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
2
States / cities
Chicago, Illinois • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 7, 2016 · Synced Sep 24, 2026, 3:06 AM EDT
Recruiting Phase 1 Interventional

Naltrexone and Propranolol Combined With Immunotherapy

NCT05968690
View directory record Official record
Conditions
Advanced Melanoma
Interventions
Propranolol, Naltrexone
Drug
Lead sponsor
Sarah Weiss
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 17, 2025 · Synced Sep 24, 2026, 3:06 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 7, 2026 · Synced Sep 24, 2026, 3:06 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Pharmacokinetics of the Hydrocodone Extended-Release Tablet (CEP-33237) in Subjects With Normal Renal Function and Subjects With Varying Degrees of Renal Impairment

NCT01319266
View directory record Official record
Conditions
Renal Impairment
Interventions
Hydrocodone Bitartrate extended-release tablet
Drug
Lead sponsor
Cephalon
Industry
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
4
States / cities
Miami, Florida • Orlando, Florida • Minneapolis, Minnesota + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 23, 2012 · Synced Sep 24, 2026, 3:06 AM EDT
Terminated Phase 2 Interventional Results available

Naltrexone RCT for Treatment-Emergent Fatigue in Patients Receiving Radiation Therapy for Breast Cancer

NCT02137252
View directory record Official record
Conditions
Invasive Breast Cancer (Stage I-III), Ductal Carcinoma in Situ, Lobular Carcinoma in Situ, Lobular Carcinoma, Fatigue Related to Cancer Treatment
Interventions
Naltrexone, Sugar Pill
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 15, 2021 · Synced Sep 24, 2026, 3:06 AM EDT
Terminated Phase 4 Interventional Results available

Naltrexone/Bupropion Cardiovascular Outcomes Study

NCT02638129
View directory record Official record
Conditions
Obesity, Cardiovascular Diseases
Interventions
Naltrexone HCl/Bupropion HCl ER, Placebo
Drug
Lead sponsor
Orexigen Therapeutics, Inc
Industry
Eligibility
18 Years and older
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
139
States / cities
Alexander City, Alabama • Auburn, Alabama • Birmingham, Alabama + 136 more
Source: ClinicalTrials.gov public record
Updated Feb 26, 2017 · Synced Sep 24, 2026, 3:06 AM EDT
Completed Phase 4 Interventional Results available

Managing Alcoholism in People Who Do Not Respond to Naltrexone

NCT00115037
View directory record Official record
Conditions
Alcoholism
Interventions
Naltrexone, placebo, Medication Management (MM), Combined Behavioral Intervention (CBI), Telephone Counseling
Drug · Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
302 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 17, 2019 · Synced Sep 24, 2026, 3:06 AM EDT