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ClinicalTrials.gov public records Last synced Nov 2, 2026, 9:51 AM EST

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Showing 73–92 of 92 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Injectable Naltrexone Clear all
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 Nov 2, 2026, 9:51 AM EST
Completed Phase 4 Interventional Results available

Feasibility Study of Extended-release Naltrexone (Vivitrol) in Drug Court Settings

NCT02978417
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
Naltrexone for extended-release injectable suspension, Oral naltrexone
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 65 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 16, 2020 · Synced Nov 2, 2026, 9:51 AM EST
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 Nov 2, 2026, 9:51 AM EST
Completed Phase 2Phase 3 Interventional Results available

Memantine as a Supplement to Naltrexone in Treating Heroin Dependence

NCT00476242
View directory record Official record
Conditions
Opioid Dependence, Heroin Dependence
Interventions
Vivitrol, memantine
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 17, 2018 · Synced Nov 2, 2026, 9:51 AM EST
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 Nov 2, 2026, 9:51 AM EST
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 Nov 2, 2026, 9:51 AM EST
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 11, 2020 · Synced Nov 2, 2026, 9:51 AM EST
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 26, 2018 · Synced Nov 2, 2026, 9:51 AM EST
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 Nov 2, 2026, 9:51 AM EST
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 2, 2024 · Synced Nov 2, 2026, 9:51 AM EST
Completed Phase 2 Interventional

Study of Naltrexone for Methamphetamine Addiction

NCT00984360
View directory record Official record
Conditions
Methamphetamine Dependence
Interventions
Naltrexone
Drug
Lead sponsor
California Pacific Medical Center Research Institute
Other
Eligibility
18 Years to 50 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 31, 2013 · Synced Nov 2, 2026, 9:51 AM EST
Completed Phase 4 Interventional Results available

Extended-Release Naltrexone Opioid Treatment at Jail Re-Entry

NCT01999946
View directory record Official record
Conditions
Heroin Dependence, Opioid-Related Disorders
Interventions
Extended-Release Naltrexone
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 99 Years
Enrollment
217 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 25, 2021 · Synced Nov 2, 2026, 9:51 AM EST
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 29, 2021 · Synced Nov 2, 2026, 9:51 AM EST
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Pharmacokinetic Study of Vivitrol in Healthy Participants

NCT04716881
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
Naltrexone 380 MG
Drug
Lead sponsor
Go Medical Industries Pty Ltd
Industry
Eligibility
18 Years to 57 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 23, 2024 · Synced Nov 2, 2026, 9:51 AM EST
Active, not 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 Sep 30, 2026 · Synced Nov 2, 2026, 9:51 AM EST
Completed Phase 2Phase 3 Interventional Results available

Comparing Treatments for HIV-Infected Opioid Users in an Integrated Care Effectiveness Study (CHOICES) Scale-Up

NCT03275350
View directory record Official record
Conditions
Opioid-use Disorder, Hiv
Interventions
Naltrexone Injectable Suspension, Treatment as usual
Drug · Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years and older
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
5
States / cities
Tarzana, California • Miami, Florida • Chicago, Illinois + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 27, 2022 · Synced Nov 2, 2026, 9:51 AM EST
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 Nov 2, 2026, 9:51 AM EST
Completed Not applicable Interventional Accepts healthy volunteers

Exploratory Bioavailability of Fentanyl Sublingual Spray Under Fasting Conditions

NCT02138396
View directory record Official record
Conditions
Bioavailability
Interventions
Fentanyl Sublingual Spray (FSS), Fentanyl Citrate Injection (FCI), Naltrexone
Drug
Lead sponsor
INSYS Therapeutics Inc
Industry
Eligibility
18 Years to 55 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Dec 12, 2014 · Synced Nov 2, 2026, 9:51 AM EST
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 24, 2022 · Synced Nov 2, 2026, 9:51 AM EST
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 Nov 2, 2026, 9:51 AM EST