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ClinicalTrials.gov public records Last synced Oct 21, 2026, 12:22 PM EDT

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Showing 1–24 of 92 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: injectable naltrexone Clear all
Terminated Phase 2 Interventional Results available

Kappa Opioid Receptor Antagonism for the Tx of AUD and Comorbid PTSD

NCT03852628
View directory record Official record
Conditions
Post Traumatic Stress Disorder, Alcohol Abuse
Interventions
2mg Buprenex and 380mg Vivitrol, Placebo (SL pill qd, IM injection q4weeks)
Drug
Lead sponsor
Pharmacotherapies for Alcohol and Substance Use Disorders Alliance
Other
Eligibility
18 Years to 70 Years
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
2
States / cities
Tuscaloosa, Alabama • West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 14, 2023 · Synced Oct 21, 2026, 12:22 PM EDT
Not listed Phase 4 Interventional

Bridging ED to Outpatient AUD Therapy With Naltrexone

NCT05228418
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Naltrexone Pill
Drug
Lead sponsor
Albert Einstein Healthcare Network
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 8, 2022 · Synced Oct 21, 2026, 12:22 PM EDT
Completed Phase 3 Interventional Results available

Naltrexone for Use in Conjunction With Buprenorphine in Adults With Opioid Use Disorder Prior to First Dose of VIVITROL® (Naltrexone for Extended-Release Injectable Suspension)

NCT02537574
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
NTX/BUP, NTX/PBO-B, PBO-N/PBO-B
Drug
Lead sponsor
Alkermes, Inc.
Industry
Eligibility
18 Years to 60 Years
Enrollment
380 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
20
States / cities
Oceanside, California • Orange, California • Lauderhill, Florida + 17 more
Source: ClinicalTrials.gov public record
Updated Mar 6, 2019 · Synced Oct 21, 2026, 12:22 PM EDT
Active, not recruiting Phase 2Phase 3 Interventional

Extended Release Naltrexone Versus Extended Release Buprenorphine With Individuals Leaving Jail

NCT04408313
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
XR-B, XR-NTX
Drug
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Oct 21, 2026, 12:22 PM EDT
Completed Phase 4 Interventional

Biomarkers of Injectable Extended Release Naltrexone Treatment

NCT02324725
View directory record Official record
Conditions
Heroin Dependence, Opioid Dependence
Interventions
Naltrexone
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 55 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 12, 2023 · Synced Oct 21, 2026, 12:22 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Re-entry XR-NTX for Rural Individuals With Opioid Use Disorder

NCT03447743
View directory record Official record
Conditions
Opioid Dependence
Interventions
XR-NTX community location
Drug
Lead sponsor
Michele Staton
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Mar 27, 2023 · Synced Oct 21, 2026, 12:22 PM EDT
Completed Not applicable Interventional Results available

Risky Decision Making in Methamphetamine Users: The Role of Opioid Blockade

NCT01822132
View directory record Official record
Conditions
Methamphetamine Abuse, HIV
Interventions
Extended release naltrexone, Placebo
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 55 Years
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
2
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 5, 2019 · Synced Oct 21, 2026, 12:22 PM EDT
Completed Phase 3 Interventional Results available

ALK21-021: A Safety Study of Medisorb® Naltrexone (VIVITROL®) Administered to Health Care Professionals

NCT00834080
View directory record Official record
Conditions
Opiate Dependence
Interventions
Medisorb naltrexone 380 mg
Drug
Lead sponsor
Alkermes, Inc.
Industry
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
11
States / cities
Colton, California • Oceanside, California • Lauderhill, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Dec 11, 2018 · Synced Oct 21, 2026, 12:22 PM EDT
Recruiting Phase 4 Interventional

Naltrexone in AUD Reward Drinkers

NCT05028062
View directory record Official record
Conditions
Alcohol Use Disorder, Alcoholism
Interventions
XR-NTX 380 mg, intramuscular injection, Medical Management, Placebo intramuscular injection
Drug · Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Oct 21, 2026, 12:22 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Naltrexone for Opioid Dependent Released Human Immunodeficiency Virus Positive (HIV+) Criminal Justice Populations

NCT01246401
View directory record Official record
Conditions
HIV, AIDS, Opioid Dependence, Drug Dependence
Interventions
Extended-Release Naltrexone
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
151 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
3
States / cities
Hartford, Connecticut • New Haven, Connecticut • Springfield, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 19, 2020 · Synced Oct 21, 2026, 12:22 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetic Study of Fentanyl 400 µg Sublingual Spray, Actiq® 400 µg Transmucosally, and Fentanyl Citrate Injection 100 µg Intravenously (iv)

NCT01780233
View directory record Official record
Conditions
Pain
Interventions
Fentanyl 400 µg sublingual spray, Actiq® 400 µg transmucosally, Fentanyl citrate injection 100 µg intravenously, Naltrexone 50 mg
Drug
Lead sponsor
INSYS Therapeutics Inc
Industry
Eligibility
18 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jan 31, 2013 · Synced Oct 21, 2026, 12:22 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 22, 2020 · Synced Oct 21, 2026, 12:22 PM EDT
Recruiting Phase 2Phase 3 Interventional Accepts healthy volunteers

Naltrexone for Overdose Prevention

NCT06633900
View directory record Official record
Conditions
Overdose Accidental
Interventions
IM naltrexone, Usual Care
Drug · Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Oct 21, 2026, 12:22 PM EDT
Completed Phase 2 Interventional

Behavioral Naltrexone Therapy: A Novel Treatment for Heroin Dependence

NCT00332228
View directory record Official record
Conditions
Opiate Dependence
Interventions
depot naltrexone, Compliance enhancement (CE), BNT
Drug · Behavioral
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2007
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 26, 2012 · Synced Oct 21, 2026, 12:22 PM EDT
Completed Phase 3 Interventional Results available

Oral vs. Injectable Naltrexone for Hospitalized Veterans With Alcohol Dependence

NCT01856712
View directory record Official record
Conditions
Alcohol Dependence
Interventions
Naltrexone
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Mar 5, 2019 · Synced Oct 21, 2026, 12:22 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Reducing Heavy Drinking to Optimize HIV/AIDS Treatment and Prevention

NCT01227044
View directory record Official record
Conditions
Reduction in Heavy Drinking in Patients With HIV
Interventions
Naltrexone, Placebo + Medication Management/Medication Coaching
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
2
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 21, 2019 · Synced Oct 21, 2026, 12:22 PM EDT
Completed Phase 2 Interventional Results available

Employment-Based Depot Naltrexone Clinical Trial II

NCT00684775
View directory record Official record
Conditions
Opiate Dependence
Interventions
Work Plus Naltrexone Contingency
Combination Product
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 23, 2018 · Synced Oct 21, 2026, 12:22 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 8, 2019 · Synced Oct 21, 2026, 12:22 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Safety and PK Study of BICX104 With or Without Bupropion Compared to Vivitrol

NCT07269873
View directory record Official record
Conditions
Healthy Adult Male and Female Volunteers
Interventions
BICX104 naltrexone implantable pellet, Bupropion 150 mg XL, Naltrexone (depot)
Drug
Lead sponsor
BioCorRx Pharmaceuticals Inc
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Oct 21, 2026, 12:22 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetic and Safety Study of Naltrexone Release From Subcutaneous BICX104 Pellets Compared to Vivitrol Injections

NCT04828694
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
BICX104, Vivitrol
Drug
Lead sponsor
BioCorRx Inc
Industry
Eligibility
18 Years to 50 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Tustin, California
Source: ClinicalTrials.gov public record
Updated Aug 16, 2023 · Synced Oct 21, 2026, 12:22 PM EDT
Completed Phase 3 Interventional Results available

Behavioral Naltrexone Therapy for Promoting Adherence to Oral Naltrexone vs Extended Release Injectable Depot Naltrexone

NCT00577408
View directory record Official record
Conditions
Opiate Dependence, Heroin Dependence
Interventions
depot naltrexone, Oral Naltrexone
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 25, 2017 · Synced Oct 21, 2026, 12:22 PM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Brain Mechanisms of Pharmacotherapy in Opioid Use Disorder

NCT04454411
View directory record Official record
Conditions
Opioid Dependence
Interventions
Brixadi, Vivitrol
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 6, 2025 · Synced Oct 21, 2026, 12:22 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 9, 2025 · Synced Oct 21, 2026, 12:22 PM EDT
Terminated Phase 1 Interventional

Study of Injectable Naltrexone and Oral Bupropion Among Cigarette Smokers With Schizophrenia

NCT06374290
View directory record Official record
Conditions
Smoking Cessation
Interventions
Naltrexone (Vivitrol), Bupropion
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 16, 2025 · Synced Oct 21, 2026, 12:22 PM EDT