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Showing 25–43 of 19 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: XR-Naltrexone Clear all
Completed Phase 4 Interventional Results available

Alcohol Disorder hOsPital Treatment Trial

NCT02478489
View directory record Official record
Conditions
Heavy Drinking, Alcohol Dependence, Alcohol Use Disorder
Interventions
Oral naltrexone (PO-NTX), Extended-release injectable naltrexone (XR-NTX)
Drug
Lead sponsor
Boston University
Other
Eligibility
18 Years and older
Enrollment
248 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 28, 2021 · Synced Sep 25, 2026, 8:13 PM EDT
Completed Phase 2 Interventional Results available

Glutamatergic Modulation to Facilitate Naltrexone Initiation in Opioid Dependence

NCT02437344
View directory record Official record
Conditions
Opioid Dependence
Interventions
CI-581aa, Naltrexone titration and XR-NTX initiation
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 60 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 7, 2019 · Synced Sep 25, 2026, 8:13 PM EDT
Completed Phase 4 Interventional Results available

Extended Release Naltrexone for Opioid-Dependent Youth

NCT01843023
View directory record Official record
Conditions
Drug Dependence
Interventions
Extended Release Naltrexone, Psychosocial Treatment, Buprenorphine
Drug · Behavioral
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
15 Years to 21 Years
Enrollment
288 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 9, 2021 · Synced Sep 25, 2026, 8:13 PM EDT
Completed Not applicable Interventional Results available

Mindfulness-Based Relapse Prevention to Improve Medication Assisted Treatment Adherence and Drug-use Outcomes for Opioid Use Disorder

NCT05042388
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
Mindfulness-Based Relapse Prevention - Rolling Admission (MBRP-RA), Treatment-As-Usual
Behavioral
Lead sponsor
West Chester University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
West Chester, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Sep 25, 2026, 8:13 PM EDT
Completed Phase 2 Interventional

Extended-Release Naltrexone to Treat Methamphetamine Dependence in Men Who Have Sex With Men (MSM)

NCT01449565
View directory record Official record
Conditions
Amphetamine-Related Disorders
Interventions
Naltrexone, Placebo
Drug
Lead sponsor
San Francisco Department of Public Health
Government
Eligibility
18 Years to 65 Years · Male only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 12, 2016 · Synced Sep 25, 2026, 8:13 PM EDT
Completed Early Phase 1 Interventional Results available

Inpatient Single Dose Interventions for Alcohol Use Disorder

NCT04562779
View directory record Official record
Conditions
Alcohol Use Disorder, Severe
Interventions
Naltrexone 380 MG, Ketamine Hydrochloride, Enhanced linkage
Drug · Behavioral
Lead sponsor
Denver Health and Hospital Authority
Other
Eligibility
18 Years to 65 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated May 1, 2024 · Synced Sep 25, 2026, 8:13 PM EDT
Completed Not applicable Interventional

Youth Opioid Recovery Support: A Developmentally-specific Intervention for Home Delivery of Extended Release Naltrexone

NCT03306368
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
Youth Opioid Recovery Support
Behavioral
Lead sponsor
Potomac Health Foundations
Other
Eligibility
18 Years to 26 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 22, 2021 · Synced Sep 25, 2026, 8:13 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Accelerated Development of Additive Pharmacotherapy Treatment for Methamphetamine Use Disorder

NCT01982643
View directory record Official record
Conditions
Methamphetamine Use Disorder
Interventions
naltrexone plus bupropion
Drug
Lead sponsor
Walter Ling
Other
Eligibility
18 Years to 65 Years
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
3
States / cities
Los Angeles, California • Honolulu, Hawaii • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 22, 2020 · Synced Sep 25, 2026, 8:13 PM EDT
Recruiting Phase 3 Interventional

Emergency Department-Initiated Medications for Alcohol Use Disorder

NCT05827159
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Naltrexone Pill, Naltrexone Injection, Brief Negotiation Interview, Gabapentin Pill
Drug · Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 80 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Sep 25, 2026, 8:13 PM EDT
Active, not recruiting No phase listed Observational

Anti-obesity Pharmacotherapy and Inflammation

NCT05756764
View directory record Official record
Conditions
Obesity
Interventions
Semaglutide, Phentermine-Topiramate combination, Phentermine, Tirzepatide, Topiramate, Diethylpropion, Naltrexone/Bupropion, Liraglutide
Drug
Lead sponsor
Louisiana State University Health Sciences Center in New Orleans
Other
Eligibility
35 Years to 60 Years
Enrollment
30 participants
Timeline
2023 – 2026
U.S. locations
2
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Sep 25, 2026, 8:13 PM EDT
Completed Phase 2 Interventional Results available

Harm Reduction With Pharmacotherapy (HaRP)

NCT01932801
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
XR-NTX, Placebo, HRC
Drug · Other · Behavioral
Lead sponsor
University of Washington
Other
Eligibility
21 Years to 65 Years
Enrollment
308 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 9, 2023 · Synced Sep 25, 2026, 8:13 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Cocaine Use Reduction With Buprenorphine

NCT01402492
View directory record Official record
Conditions
Cocaine Dependence
Interventions
Buprenorphine + Naltrexone, Placebo + Naltrexone
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 65 Years
Enrollment
302 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
11
States / cities
Los Angeles, California • San Francisco, California • Denver, Colorado + 8 more
Source: ClinicalTrials.gov public record
Updated Oct 28, 2021 · Synced Sep 25, 2026, 8:13 PM EDT
Completed Phase 3 Interventional Results available

Extended-Release Naltrexone for Opioid Relapse Prevention Following Release From Jail

NCT01180647
View directory record Official record
Conditions
Opiate Dependence
Interventions
Extended-Release Naltrexone, Motivational Enhancement Counseling
Drug · Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 60 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 6, 2016 · Synced Sep 25, 2026, 8:13 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Buprenorphine/Naloxone Stabilization and Induction Onto Injection Naltrexone

NCT02294253
View directory record Official record
Conditions
Opioid Dependence
Interventions
Buprenorphine/naloxone
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 10, 2020 · Synced Sep 25, 2026, 8:13 PM EDT
Completed Phase 2Phase 3 Interventional

EXHIT ENTRE Comparative Effectiveness Trial

NCT04345718
View directory record Official record
Conditions
Substance Use Disorder, Opioid Use Disorder, Moderate, Opioid Use Disorder, Severe
Interventions
Extended Release Buprenorphine, Treatment as Usual
Drug
Lead sponsor
Gavin Bart
Other
Eligibility
18 Years and older
Enrollment
344 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
6
States / cities
New Haven, Connecticut • Baltimore, Maryland • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 8, 2025 · Synced Sep 25, 2026, 8:13 PM EDT
Completed Phase 3 Interventional Results available

Comparing Treatments for HIV-Infected Opioid and Alcohol Users in an Integrated Care Effectiveness Study

NCT01908062
View directory record Official record
Conditions
Opioid Use Disorder, Alcohol Use Disorder
Interventions
Extended Release Naltrexone, Treatment As usual
Drug · Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 100 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 18, 2019 · Synced Sep 25, 2026, 8:13 PM EDT
Completed Phase 3 Interventional Results available

Injectable Pharmacotherapy for Opioid Use Disorders (IPOD)

NCT02110264
View directory record Official record
Conditions
Opioid Use Disorders
Interventions
XR-NTX, XR-NTX+PN, ETAU
Drug · Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 100 Years
Enrollment
151 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Jan 21, 2020 · Synced Sep 25, 2026, 8:13 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Medications for Opioid Use Disorder Photosensitive Retinal Ganglion Cell Function, Sleep, and Circadian Rhythms: Implications for Treatment

NCT06104280
View directory record Official record
Conditions
Opioid Use Disorder, Sleep Disturbance
Interventions
Post-Illumination Pupillary Response (PIPR), Polysomnography, Multiple Sleep Latency Test, Ecological Momentary Assessments, Actigraphy, DLMO, Melatonin Suppression Test
Other · Behavioral · Device
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 80 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Sep 25, 2026, 8:13 PM EDT
Completed Not applicable Interventional

Distress Tolerance and HIV Prevention With XR-NTX Initiation in Opioid Dependence

NCT02602795
View directory record Official record
Conditions
Opiate Dependence, Sexually Transmitted Diseases, HIV
Interventions
Acceptance and Commitment Therapy, Information Motivation Behavioral Model
Behavioral
Lead sponsor
Rhode Island Hospital
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Aug 28, 2018 · Synced Sep 25, 2026, 8:13 PM EDT