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ClinicalTrials.gov public records Last synced Sep 29, 2026, 2:13 PM EDT

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Showing 25–37 of 13 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Naltrexone (oral tablets) Clear all
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Abuse Potential of Orally Administered Crushed Embeda Compared to Crushed Controlled-Release Morphine and Placebo in Non-Dependent Recreational Opioid Users

NCT01380093
View directory record Official record
Conditions
Nondependent Opioid Abuse, Episodic
Interventions
Placebo, MS Contin (morphine sulfate, controlled release), EMBEDA (morphine sulfate / naltrexone hydrochloride)
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated May 30, 2012 · Synced Sep 29, 2026, 2:13 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Sex Differences in Trauma, Inflammation and Brain Function and the Implications for Treatment Efficacy in Alcohol Use Disorder

NCT06426303
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Naltrexone
Drug
Lead sponsor
Milky Kohno
Other
Eligibility
18 Years to 60 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 17, 2024 · Synced Sep 29, 2026, 2:13 PM 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 6, 2025 · Synced Sep 29, 2026, 2:13 PM 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 29, 2026, 2:13 PM 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 29, 2026, 2:13 PM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers

Naltrexone for Prolonged Grief Disorder

NCT06140420
View directory record Official record
Conditions
Naltrexone HCl 50 MG Oral Tablet, Placebo
Interventions
Naltrexone Oral Product, Placebo
Drug
Lead sponsor
Texas Tech University
Other
Eligibility
18 Years to 120 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced Sep 29, 2026, 2:13 PM EDT
Not listed Phase 2Phase 3 Interventional Accepts healthy volunteers

Medication Maintenance Therapy in Community Pharmacy Settings

NCT04139213
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
buprenorphine/naloxone oral product, injectable naltrexone, Pharmacy maintenance addiction care, oral naltrexone
Drug · Other
Lead sponsor
Lifespan
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Aug 23, 2022 · Synced Sep 29, 2026, 2:13 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

The Effect of Buprenorphine Delivered by Buprenorphine Transdermal System (BTDS) at Doses up to 80 Micrograms/Hour (mcg/hr) and Naltrexone on Electrocardiogram (ECG) Intervals in Healthy Volunteers

NCT01999114
View directory record Official record
Conditions
ECG Effects
Interventions
Buprenorphine transdermal patch, Naltrexone tablet, Placebos (for TDS and for naltrexone and for moxifloxacin), Moxifloxacin tablet
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years to 55 Years
Enrollment
328 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Nov 4, 2018 · Synced Sep 29, 2026, 2:13 PM EDT
Terminated Phase 4 Interventional Results available

Pilot Study of Depot NTX in Homeless Veterans

NCT01155869
View directory record Official record
Conditions
Alcohol Dependence
Interventions
Depot naltrexone, Oral Naltrexone
Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 64 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jul 16, 2014 · Synced Sep 29, 2026, 2:13 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Medication Maintenance Therapy in Community Pharmacy Settings

NCT03766893
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
Buprenorphine / Naloxone Oral Product, injectable naltrexone, Pharmacy maintenance addiction care
Drug · Other
Lead sponsor
Lifespan
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jul 31, 2019 · Synced Sep 29, 2026, 2:13 PM EDT
Active, not recruiting Phase 4 Interventional

Effect of Naltrexone Hydrochloride ER and Bupropion Hydrochloride ER Combination (Contrave®/Mysimba®) on Major Adverse Cardiovascular Events (MACE)

NCT06098079
View directory record Official record
Conditions
Obesity
Interventions
Naltrexone-Bupropion (NB) Combination, Placebo
Drug
Lead sponsor
Currax Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
8,600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
140
States / cities
Birmingham, Alabama • Cullman, Alabama • Mobile, Alabama + 111 more
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Sep 29, 2026, 2:13 PM 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 29, 2026, 2:13 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Assessment of the Effect of Naltrexone on Lofexidine Single Dose Pharmacokinetics in Healthy Subjects

NCT02446002
View directory record Official record
Conditions
Healthy
Interventions
Lofexidine + Naltrexone
Drug
Lead sponsor
USWM, LLC (dba US WorldMeds)
Industry
Eligibility
18 Years to 60 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Oct 25, 2017 · Synced Sep 29, 2026, 2:13 PM EDT