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ClinicalTrials.gov public records Last synced Oct 7, 2026, 7:25 AM EDT

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Showing 25–48 of 604 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Naloxone Hydrochloride Clear all
Withdrawn Phase 2 Interventional

Low Dose Naltrexone for Chronic Pain in Osteoarthritis and Inflammatory Arthritis

NCT04115020
View directory record Official record
Conditions
Osteoarthritis, Arthritis, Rheumatoid, Arthritis, Psoriatic
Interventions
Naltrexone, Placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 9, 2020 · Synced Oct 7, 2026, 7:25 AM 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 7, 2026, 7:25 AM EDT
Completed Phase 4 Interventional Results available

Buprenorphine Loading in the Emergency Department

NCT04283500
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
Buprenorphine Naloxone
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 80 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 15, 2024 · Synced Oct 7, 2026, 7:25 AM EDT
Completed Phase 3 Interventional Results available

A Research Study of an Investigational Drug ALO-02 (Oxycodone Hydrochloride and Naltrexone Hydrochloride) in Patients With Moderate to Severe Chronic Low Back Pain

NCT01571362
View directory record Official record
Conditions
Chronic Pain, Low Back Pain, Analgesia
Interventions
ALO-02, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
410 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
52
States / cities
Mobile, Alabama • Goodyear, Arizona • Phoenix, Arizona + 38 more
Source: ClinicalTrials.gov public record
Updated Apr 4, 2017 · Synced Oct 7, 2026, 7:25 AM EDT
Not listed Phase 3 Interventional

Medication and Counseling for Controlled Drinking

NCT01115894
View directory record Official record
Conditions
Alcohol Dependence, Alcohol Abuse
Interventions
Naltrexone, Modified Behavioral Self-Control Psychotherapy, Brief Behavioral Compliance Enhancement Therapy, Placebo
Drug · Behavioral
Lead sponsor
Research Foundation for Mental Hygiene, Inc.
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2007
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 10, 2012 · Synced Oct 7, 2026, 7:25 AM EDT
Not yet recruiting Early Phase 1 Interventional Accepts healthy volunteers

The Role of the Opioid System in Placebo Effects on Pain and Social Rejection

NCT04650841
View directory record Official record
Conditions
Pain, Rejection, Placebo Effect
Interventions
Placebo Cream with Naloxone, Control Cream with Naloxone, Placebo Cream with Saline, Control Cream with Saline
Drug
Lead sponsor
Trustees of Dartmouth College
Other
Eligibility
18 Years to 55 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Hanover, New Hampshire
Source: ClinicalTrials.gov public record
Updated Dec 9, 2025 · Synced Oct 7, 2026, 7:25 AM EDT
Completed No phase listed Observational

Medication Treatment for Opioid Use Disorder in Expectant Mothers: Conceptual Model Assessments Sub-study

NCT03911466
View directory record Official record
Conditions
Opioid-Related Disorders, Drug Addiction, Pregnancy Related, Substance Abuse, Drug Abuse, Neonatal Abstinence Syndrome, Neonatal Opioid Withdrawal Syndrome, Drug Abuse in Pregnancy
Interventions
Buprenorphine Injection, Buprenorphine Sublingual Product
Drug
Lead sponsor
T. John Winhusen, PhD
Other
Eligibility
18 Years to 41 Years · Female only
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
12
States / cities
Jacksonville, Florida • Boston, Massachusetts • Albuquerque, New Mexico + 8 more
Source: ClinicalTrials.gov public record
Updated Mar 16, 2026 · Synced Oct 7, 2026, 7:25 AM EDT
Completed Phase 2 Interventional

HIV Risk Reduction and Drug Abuse Treatment in Malaysia

NCT00383045
View directory record Official record
Conditions
Opiate Dependence
Interventions
Buprenorphine/Subutex, Naltrexone, Drug counseling
Drug · Procedure
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 31, 2020 · Synced Oct 7, 2026, 7:25 AM EDT
Completed Phase 4 Interventional Results available

Extended-Release vs. Oral Naltrexone Alcohol Treatment in Primary Care

NCT01893827
View directory record Official record
Conditions
Alcohol Dependence
Interventions
XR-NTX (Extended-Release Naltrexone), Oral Naltrexone (O-NTX)
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
237 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 16, 2020 · Synced Oct 7, 2026, 7:25 AM EDT
Completed Not applicable Interventional Results available

Reduced Opioid Analgesic Requirements Via Improved Endogenous Opioid Function

NCT02469077
View directory record Official record
Conditions
Chronic Pain
Interventions
6 week aerobic exercise intervention, Placebo, Morphine, naloxone
Behavioral · Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 55 Years
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
2
States / cities
Chicago, Illinois • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 23, 2020 · Synced Oct 7, 2026, 7:25 AM EDT
Completed Phase 4 Interventional Results available

Genetic and Brain Mechanisms of Naltrexone's Treatment Efficacy for Alcoholism

NCT00920829
View directory record Official record
Conditions
Alcohol Dependence
Interventions
Naltrexone 50 Mg, Placebo
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 70 Years
Enrollment
358 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
2
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 10, 2018 · Synced Oct 7, 2026, 7:25 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Clinician Practice Companion to Address Youth Substance Use

NCT07725289
View directory record Official record
Conditions
Substance Use, Substance-Related Disorders, Adolescent Substance Use, Cannabis Use, Opioid Use Disorder, Drug Overdose, Overdose Prevention, Co-occurring Mental Health Conditions
Interventions
Practice Companion
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
14 Years to 24 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Oct 7, 2026, 7:25 AM EDT
Completed Phase 3 Interventional Results available

Treatment Strategy for Alcohol Use Disorders in Veterans With TBI

NCT01342549
View directory record Official record
Conditions
Alcohol Dependence
Interventions
Valproate, Naltrexone
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 60 Years · Male only
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
2
States / cities
Iowa City, Iowa • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 9, 2016 · Synced Oct 7, 2026, 7:25 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Effects of Buprenorphine/Naloxone in Treating Opioid Dependent Individuals Who Are Maintained on Methadone

NCT00000243
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
Buprenorphine
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 55 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2004
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 12, 2017 · Synced Oct 7, 2026, 7:25 AM EDT
Completed Phase 1 Interventional

Drug Discrimination in Methadone-Maintained Humans Study 3

NCT01068847
View directory record Official record
Conditions
Drug Dependence
Interventions
2-4 of the drugs listed below
Drug
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 65 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Mar 7, 2013 · Synced Oct 7, 2026, 7:25 AM EDT
Completed Phase 4 Interventional

Long-acting Buprenorphine vs. Naltrexone Opioid Treatments in CJS-involved Adults

NCT04219540
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
XR-B (SUBLOCADETM), XR-NTX
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
675 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
6
States / cities
New Haven, Connecticut • Baltimore, Maryland • Hanover, New Hampshire + 3 more
Source: ClinicalTrials.gov public record
Updated May 14, 2025 · Synced Oct 7, 2026, 7:25 AM EDT
Completed Phase 2 Interventional Results available

Veterans' Pain Care Organizational Improvement Comparative Effectiveness Study

NCT03026790
View directory record Official record
Conditions
Chronic Pain
Interventions
Medication management, Non-pharmacological pain management, Buprenorphine-Naloxone
Other · Drug
Lead sponsor
University of Minnesota
Other
Eligibility
21 Years and older
Enrollment
820 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 5, 2023 · Synced Oct 7, 2026, 7:25 AM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Interim Buprenorphine Treatment to Bridge Waitlist Delays: Stage II Evaluation

NCT03420313
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
Buprenorphine/naloxone sublingual tablets
Drug
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated May 3, 2019 · Synced Oct 7, 2026, 7:25 AM EDT
Active, not recruiting Not applicable Interventional

Developing and Evaluating a Machine-Learning Opioid Overdose Prediction & Risk-Stratification Tool in Primary Care

NCT06810076
View directory record Official record
Conditions
Opiate Overdose, Opioid-Related Disorders, Narcotic-Related Disorders, Substance-related Disorders, Chemically-Induced Disorders, Mental Disorders
Interventions
Machine Learning-Based Clinical Decision Support: Overdose Prevention Alert (OPA) Intervention
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
674 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Oct 7, 2026, 7:25 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional

Neural Mechanisms of Immersive Virtual Reality in Chronic Pain

NCT04851301
View directory record Official record
Conditions
Pain, Virtual Reality, Placebo, Temporomandibular Disorder
Interventions
Active Virtual Reality, sham Virtual Reality, No Intervention, Naloxone, Saline, Natural history
Behavioral · Other · Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 88 Years
Enrollment
259 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 27, 2026 · Synced Oct 7, 2026, 7:25 AM EDT
Withdrawn No phase listed Observational

Measures to Improve Outcomes After an Opioid Overdose

NCT03968237
View directory record Official record
Conditions
Opioid Overdose
Interventions
Buprenorphine/Naloxone
Drug
Lead sponsor
Nassima Ait-Daoud Tiouririne
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 26, 2026 · Synced Oct 7, 2026, 7:25 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Phase Ib/2a Drug-drug Interaction Study of a Combination of 45mg Dextromethorphan With 105 mg Bupropion

NCT05976646
View directory record Official record
Conditions
Addiction, Opioid Use, Substance Use Disorders, Opioid Use Disorder
Interventions
Placebo, Auvelity
Drug
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Oct 7, 2026, 7:25 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Effects of Low-dose Naltrexone in Combination With a Range of Smoked Marijuana

NCT00743145
View directory record Official record
Conditions
Marijuana Smoking
Interventions
Inactive Marijuana (0% THC), Active Marijuana (5.5% THC), Active Marijuana (6.2% THC), Naltrexone, Placebo naltrexone
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 45 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 14, 2018 · Synced Oct 7, 2026, 7:25 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Naltrexone Effects on Alcohol Intake

NCT00254670
View directory record Official record
Conditions
Social Drinker
Interventions
Naltrexone
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 8, 2023 · Synced Oct 7, 2026, 7:25 AM EDT