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ClinicalTrials.gov public records Last synced Oct 25, 2026, 8:43 AM EDT

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Showing 529–552 of 2,682 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: OPIOID Clear all
Completed Phase 3 Interventional

The Safety and Efficacy of the Buprenorphine Transdermal Delivery System in Subjects With Chronic Back Pain.

NCT00315887
View directory record Official record
Conditions
Chronic Low Back Pain
Interventions
Buprenorphine transdermal delivery system
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999
U.S. locations
22
States / cities
Huntsville, Alabama • Phoenix, Arizona • Waterbury, Connecticut + 19 more
Source: ClinicalTrials.gov public record
Updated May 3, 2006 · Synced Oct 25, 2026, 8:43 AM EDT
Completed Phase 3 Interventional

A Study to Evaluate Withdrawal Effects Following Dosing of Oxycodone/Naltrexone in Methadone-Maintained Subjects

NCT02391571
View directory record Official record
Conditions
Withdrawal Symptoms
Interventions
Oxycodone/Naltrexone Capsules, Oxycodone, Placebo
Drug
Lead sponsor
Elite Laboratories, Inc
Industry
Eligibility
18 Years to 55 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Aug 10, 2016 · Synced Oct 25, 2026, 8:43 AM EDT
Completed Not applicable Interventional

Sedation Management in Pediatric Patients With Acute Respiratory Failure (The RESTORE Study)

NCT00814099
View directory record Official record
Conditions
Respiratory Insufficiency, Respiratory Distress Syndrome, Newborn, Lung Diseases
Interventions
Team approach to sedation management, Usual approach to sedation management
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
2 Weeks to 18 Years
Enrollment
2,449 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
31
States / cities
Birmingham, Alabama • Tucson, Arizona • Oakland, California + 26 more
Source: ClinicalTrials.gov public record
Updated May 1, 2026 · Synced Oct 25, 2026, 8:43 AM EDT
Recruiting Phase 4 Interventional

Optimizing Evidence-based HIV Prevention Targeting People Who Inject Drugs on PrEP

NCT05669534
View directory record Official record
Conditions
Hiv, Opioid Use Disorder
Interventions
community-friendly health recovery program, Pre-Exposure Prophylaxis and Post-Exposure Prophylaxis
Behavioral · Drug
Lead sponsor
University of Connecticut
Other
Eligibility
18 Years and older
Enrollment
256 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Oct 25, 2026, 8:43 AM EDT
Completed No phase listed Observational Results available

Opioid-free Accelerated Recovery Total Knee Arthroplasty

NCT03647709
View directory record Official record
Conditions
Arthropathy of Knee Joint
Interventions
opioids
Other
Lead sponsor
St. Elizabeth Medical Center, Utica, NY
Other
Eligibility
Not listed
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Utica, New York
Source: ClinicalTrials.gov public record
Updated May 12, 2020 · Synced Oct 25, 2026, 8:43 AM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate the Long-Term Safety of Hydrocodone Bitartrate Extended-Release Tablets (CEP-33237) in Patients Who Require Opioid Treatment for an Extended Period of Time

NCT01223365
View directory record Official record
Conditions
Chronic Pain
Interventions
Hydrocodone ER
Drug
Lead sponsor
Teva Branded Pharmaceutical Products R&D, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
54
States / cities
Mobile, Alabama • Anaheim, California • Beverly Hills, California + 46 more
Source: ClinicalTrials.gov public record
Updated Jun 5, 2017 · Synced Oct 25, 2026, 8:43 AM EDT
Active, not recruiting Early Phase 1 Interventional

Naltrexone Neuroimaging in Teens With Eating Disorders

NCT05509257
View directory record Official record
Conditions
Eating Disorders, Binge Eating, Purging (Eating Disorders), Bulimia Nervosa, Anorexia Nervosa, Atypical
Interventions
Naltrexone, Placebo
Drug
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
13 Years to 21 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 25, 2026, 8:43 AM EDT
Recruiting Phase 4 Interventional

A Study to Investigate the Effects of Opioid Exposure on the Ability of the Diaphragm Muscle

NCT05856136
View directory record Official record
Conditions
Respiratory Function Loss, Respiratory Complication
Interventions
Fentanyl Injection
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Oct 25, 2026, 8:43 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Innovatively Increasing PCP Prescribing of Buprenorphine: Measurement Based Care and Integrated Electronic Solution

NCT04059016
View directory record Official record
Conditions
Opioid Abuse and Addiction
Interventions
MBC4OUD
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 100 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jun 18, 2024 · Synced Oct 25, 2026, 8:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Suprazygomatic Maxillary Nerve Block in Cleft Palate Outcomes

NCT04909619
View directory record Official record
Conditions
Cleft Palate Children
Interventions
Ultrasound-guided bilateral suprazygomatic maxillary nerve block, Local anesthetic infiltration of the palate
Procedure
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
9 Months to 2 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 25, 2026 · Synced Oct 25, 2026, 8:43 AM EDT
Completed Not applicable Interventional Results available

AESOPS Trial 2 (AESOPS-2): Availability of Opioid Harm

NCT04758637
View directory record Official record
Conditions
Opioid Abuse
Interventions
Overdose Notification
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 7, 2025 · Synced Oct 25, 2026, 8:43 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Interim Buprenorphine: Leveraging Medication + Technology to Bridge Delays in Treatment Access

NCT02360007
View directory record Official record
Conditions
Opioid-related Disorders
Interventions
Interim Buprenorphine Treatment (IBT)
Drug
Lead sponsor
University of Vermont Medical Center
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated May 3, 2018 · Synced Oct 25, 2026, 8:43 AM EDT
Completed Phase 2 Interventional Results available

A Multiple Dose Opioid Challenge Study

NCT02611752
View directory record Official record
Conditions
Moderate or Severe Opioid Use Disorder
Interventions
CAM2038
Drug
Lead sponsor
Braeburn Pharmaceuticals
Industry
Eligibility
18 Years to 55 Years
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
3
States / cities
Overland Park, Kansas • Lexington, Kentucky • New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 14, 2019 · Synced Oct 25, 2026, 8:43 AM EDT
Completed Phase 3 Interventional

A Study Comparing the Effectiveness and Safety of Varying Dose Strengths (100, 200, 300 and 400 mg) of Extended-release Tramadol HCl With Placebo for the Treatment of Osteoarthritis(OA) of the Knee and/or Hip

NCT00325858
View directory record Official record
Conditions
Chronic Pain
Interventions
Tramadol HCl ER
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years to 74 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2003
U.S. locations
1
States / cities
Duncansville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 27, 2012 · Synced Oct 25, 2026, 8:43 AM EDT
Completed Phase 3 Interventional

Mobile & Online-Based Interventions to Lessen Pain

NCT05152134
View directory record Official record
Conditions
Chronic Pain, Opioid Misuse, Opioid Use Disorder
Interventions
Empowered Relief On-Demand, Health Education
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
234 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Dec 18, 2025 · Synced Oct 25, 2026, 8:43 AM EDT
Active, not recruiting No phase listed Observational

Health Insurance Instability and Mortality Among Patients Receiving Bup Tx for OUD

NCT05944133
View directory record Official record
Conditions
Opioid Use Disorder, Opioid Overdose, Death
Interventions
No intervention, observational retrospective study
Other
Lead sponsor
Kaiser Permanente
Other
Eligibility
16 Years and older
Enrollment
27,257 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 17, 2024 · Synced Oct 25, 2026, 8:43 AM EDT
Completed Not applicable Interventional Results available

Virtual Pain Care Management (COVID-19)

NCT04539821
View directory record Official record
Conditions
Chronic Pain
Interventions
VCPM
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
2
States / cities
Aurora, Colorado • West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 14, 2024 · Synced Oct 25, 2026, 8:43 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Prazosin and Naltrexone (PaN) Study for Veterans With Alcohol Use Disorders

NCT02322047
View directory record Official record
Conditions
Alcohol Use Disorder, Posttraumatic Stress Disorder (PTSD)
Interventions
Prazosin, Naltrexone, Placebo (Prazosin), Placebo (Naltrexone)
Drug
Lead sponsor
Seattle Institute for Biomedical and Clinical Research
Other
Eligibility
18 Years to 80 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 29, 2020 · Synced Oct 25, 2026, 8:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Reducing Postoperative Opioids in Patients Undergoing Laparoscopic Hiatal Hernia

NCT05953428
View directory record Official record
Conditions
Hiatal Hernia
Interventions
Opioid Sparing Anesthesia Protocol (OSA), Opioid Based Anesthesia Protocol (OBA)
Other
Lead sponsor
Endeavor Health
Other
Eligibility
18 Years to 90 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Oct 25, 2026, 8:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Fascia Iliaca Block in Hip Fracture Patients

NCT03525977
View directory record Official record
Conditions
Hip Fractures (i.e. Femoral Neck or Intertrochanteric Hip Fractures)
Interventions
Fascia iliaca block arm
Procedure
Lead sponsor
Texas Tech University Health Sciences Center, El Paso
Other
Eligibility
18 Years to 99 Years
Enrollment
97 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
El Paso, Texas
Source: ClinicalTrials.gov public record
Updated May 28, 2019 · Synced Oct 25, 2026, 8:43 AM EDT
Completed Phase 2 Interventional Results available

Parasternal Nerve Block in Cardiac Patients

NCT01826851
View directory record Official record
Conditions
Coronary Artery Disease, Pain, Postoperative
Interventions
Exparel, Placebo
Drug
Lead sponsor
Peter A Knight
Other
Eligibility
18 Years and older
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Aug 1, 2018 · Synced Oct 25, 2026, 8:43 AM EDT
Completed Phase 3 Interventional Results available

Prescription Opioid Addiction Treatment Study (POATS)

NCT00316277
View directory record Official record
Conditions
Opiate Dependence, Substance-related Disorders, Opioid-related Disorders
Interventions
Standard Medical Management (SMM) of Prescription Opiate Abuse, Enhanced Medical Management (EMM) of Prescription Opiate Abuse
Behavioral
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years and older
Enrollment
653 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2013
U.S. locations
12
States / cities
Los Angeles, California • San Francisco, California • Lawrenceburg, Indiana + 8 more
Source: ClinicalTrials.gov public record
Updated Feb 6, 2013 · Synced Oct 25, 2026, 8:43 AM EDT
Terminated Not applicable Interventional Results available

IV Acetaminophen vs IV Morphine for Pain Control in Pregnant Women

NCT02267772
View directory record Official record
Conditions
Pain Management in Pregnant Women
Interventions
IV Acetaminophen, IV Morphine
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
163 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 22, 2021 · Synced Oct 25, 2026, 8:43 AM EDT
Completed Not applicable Interventional Results available

Prolonged Exposure Therapy for PTSD and Opioid Use Disorder

NCT04104022
View directory record Official record
Conditions
Post Traumatic Stress Disorder, Opioid-use Disorder
Interventions
Prolonged Exposure Therapy, Attendance-based monetary incentives
Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Oct 25, 2026, 8:43 AM EDT