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Showing 1–24 of 607 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 2Phase 3 Interventional Results available

Improving Treatment Outcomes for Prescription Opioid Dependence

NCT02543944
View directory record Official record
Conditions
Drug Dependence
Interventions
Gabapentin, Buprenorphine, Clonidine, Naltrexone (oral), Naltrexone (depot), Placebo
Drug
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 65 Years
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Jul 27, 2022 · Synced Sep 9, 2026, 10:00 AM EDT
Terminated Phase 2 Interventional Results available

Naltrexone-Bupropion Versus Placebo-Bupropion for Weight Loss in Schizophrenia

NCT03132571
View directory record Official record
Conditions
Schizophrenia, Diabetes Mellitus, Type 2, Obesity
Interventions
Naltrexone, Bupropion, Placebo
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 75 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 6, 2019 · Synced Sep 9, 2026, 10:00 AM EDT
Not listed Phase 2 Interventional

Sublingual Buprenorphine for Chronic Pain

NCT00612287
View directory record Official record
Conditions
Chronic Pain
Interventions
buprenorphine
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 70 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 6, 2009 · Synced Sep 9, 2026, 10:00 AM EDT
Withdrawn Phase 2 Interventional

Olanzapine in OUD Patients

NCT05179772
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Olanzapine
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
2
States / cities
Philadelphia, Pennsylvania • Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 31, 2023 · Synced Sep 9, 2026, 10:00 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Mechanisms of Hypoglycemia Associated Autonomic Failure

NCT00678145
View directory record Official record
Conditions
Diabetes Mellitus, Hypoglycemia, Autonomic Failure
Interventions
naloxone, fructose, exercise, Morphine sulfate, Epinephrine
Drug · Dietary Supplement · Behavioral
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
21 Years to 60 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2018
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Sep 9, 2026, 10:00 AM EDT
Completed Phase 2 Interventional Results available

Effects of Naltrexone on Nicotine Reinforcement

NCT00270231
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Naltrexone, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 9, 2013 · Synced Sep 9, 2026, 10:00 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Better Than Study: Targeting Heavy Alcohol Use With Naltrexone Among Men Who Have Sex With Men (MSM)

NCT02330419
View directory record Official record
Conditions
Binge Drinking, HIV
Interventions
Placebo, Naltrexone, Medical Management (MM) counseling for alcohol use:, Urinalysis for novel alcohol biochemical markers:, Behavioral survey measurements:, Dried Blood Spot (DSB) Testing for Phosphatidylethanol, Ecological Momentary Assessment
Drug · Behavioral · Diagnostic Test
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 70 Years · Male only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 19, 2025 · Synced Sep 9, 2026, 10:00 AM EDT
Completed Phase 2 Interventional Results available

Impact of Colchicine and Low-dose Naltrexone on COVID-19

NCT04756128
View directory record Official record
Conditions
Covid19
Interventions
Colchicine 0.6 mg, Naltrexone
Drug
Lead sponsor
HealthPartners Institute
Other
Eligibility
18 Years and older
Enrollment
142 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
2
States / cities
Saint Louis Park, Minnesota • Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 24, 2023 · Synced Sep 9, 2026, 10:00 AM EDT
Completed Phase 2 Interventional Results available

Naltrexone for Individuals of East Asian Descent

NCT02026011
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Naltrexone, Placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years to 65 Years
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 16, 2019 · Synced Sep 9, 2026, 10:00 AM EDT
Completed Phase 2 Interventional Results available

A Phase 2, Double-Blind, Multiple-Dose Escalation Study to Evaluate NKTR-118 (Oral PEG-Naloxol) in Patients With Opioid-Induced Constipation (OIC)

NCT00600119
View directory record Official record
Conditions
Opioid Induced Constipation (OIC)
Interventions
placebo, NKTR-118
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
207 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
33
States / cities
Huntsville, Alabama • Pinson, Alabama • Tucson, Arizona + 30 more
Source: ClinicalTrials.gov public record
Updated Jun 11, 2015 · Synced Sep 9, 2026, 10:00 AM EDT
Withdrawn Phase 3 Interventional

Evaluation of BEMA® Buprenorphine NX for Buprenorphine Induction of Opioid Dependent Subjects

NCT01713803
View directory record Official record
Conditions
Opioid Dependence
Interventions
Buprenorphine and naloxone
Drug
Lead sponsor
BioDelivery Sciences International
Industry
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2017
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated May 3, 2017 · Synced Sep 9, 2026, 10:00 AM EDT
Completed Phase 1 Interventional

Single Ascending Dose Study of RBP-6000

NCT03002961
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
RBP-6000, Suboxone
Drug
Lead sponsor
Indivior Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Dec 25, 2016 · Synced Sep 9, 2026, 10:00 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Reducing Opioid Mortality in Illinois

NCT04925427
View directory record Official record
Conditions
Opioid Use, Opioid-use Disorder
Interventions
Case Management and Peer Recovery, Naloxone-Only
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
1,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
5
States / cities
Chicago, Illinois • Murphysboro, Illinois • Ottawa, Illinois + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 20, 2024 · Synced Sep 9, 2026, 10:00 AM EDT
Completed Early Phase 1 Interventional Results available

Naltrexone Neuroimaging

NCT04935931
View directory record Official record
Conditions
Eating Disorders, Binge Eating, Purging (Eating Disorders)
Interventions
Naltrexone
Drug
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
13 Years to 21 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 11, 2023 · Synced Sep 9, 2026, 10:00 AM EDT
Completed No phase listed Observational

The CORE Buprenorphine Project - An HIV Primary Care Program Demonstration

NCT00227357
View directory record Official record
Conditions
HIV Infections, AIDS, Opiate Dependence, Post-Traumatic Stress Disorders
Interventions
On-site - buprenorphine/naloxone (Suboxone), Off-site - methadone or no agonist
Drug
Lead sponsor
Ruth M. Rothstein CORE Center
Other
Eligibility
18 Years and older
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 6, 2010 · Synced Sep 9, 2026, 10:00 AM EDT
Completed Phase 1 Interventional

A Study to Assess the Drug-drug Interaction of BMS 663068 With Methadone and Also With Buprenorphine/Naloxone

NCT02666001
View directory record Official record
Conditions
Infection, Human Immunodeficiency Virus
Interventions
BMS-663068, Methadone, Buprenorphine and Norbuprenorphine
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
2
States / cities
Orlando, Florida • Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Aug 8, 2017 · Synced Sep 9, 2026, 10:00 AM EDT
Recruiting No phase listed Observational

EMS-Initiated Buprenorphine

NCT07475728
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Not listed
Lead sponsor
Yale University
Other
Eligibility
Not listed
Enrollment
495 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
3
States / cities
Oakland, California • Minneapolis, Minnesota • Camden, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Sep 9, 2026, 10:00 AM EDT
Completed Phase 1 Interventional Results available

Opioid Antagonism in Hypogonadotropic Hypogonadism

NCT04975334
View directory record Official record
Conditions
Hypogonadotropic Hypogonadism, Low Testosterone
Interventions
Naloxone
Drug
Lead sponsor
Stephanie B. Seminara, MD
Other
Eligibility
18 Years to 75 Years · Male only
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Sep 9, 2026, 10:00 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Kentucky Outreach Service Kiosk (KyOSK): Reducing HIV, HCV, and Overdose Risk

NCT05657106
View directory record Official record
Conditions
Opioid-Related Disorders, Hepatitis C (HCV), Human Immunodeficiency Virus (HIV), Drug Overdose, Substance Abuse, Intravenous Drug Usage, Opiate Substitution Treatment, Sexually Transmitted Diseases
Interventions
Health kiosk
Behavioral
Lead sponsor
April M Young
Other
Eligibility
18 Years and older
Enrollment
752 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Sep 9, 2026, 10:00 AM 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 9, 2026, 10:00 AM EDT
Terminated Not applicable Interventional

Recovery After Dialysis-Requiring Acute Kidney Injury

NCT03305549
View directory record Official record
Conditions
Acute Kidney Injury
Interventions
Conservative dialysis strategy, TIW dialysis strategy
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 100 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 18, 2025 · Synced Sep 9, 2026, 10:00 AM EDT
Not yet recruiting Not applicable Interventional

Remote Intervention to Prevent Overdose

NCT07128485
View directory record Official record
Conditions
Accidental Overdose of Opiate
Interventions
Overdose prevention resources, Overdose prevention education
Other · Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Sep 9, 2026, 10:00 AM EDT
Completed Not applicable Interventional Results available

5HT3 Antagonists to Treat Opioid Withdrawal and to Prevent the Progression of Physical Dependence

NCT01549652
View directory record Official record
Conditions
Opioid Withdrawal, Physical Dependence
Interventions
Ondansetron, Placebo, Morphine, Naloxone 0.4 mg/70 kg, Naloxone 0.8 mg/70 kg
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 60 Years
Enrollment
133 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jan 6, 2019 · Synced Sep 9, 2026, 10:00 AM EDT
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 9, 2026, 10:00 AM EDT