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Showing 1–24 of 2,688 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Opioid Clear all
Withdrawn Not applicable Interventional Accepts healthy volunteers

Management of Postoperative Pain After Cesarean Delivery Using Bridge Auricular Percutaneous Nerve Field Stimulator

NCT06434714
View directory record Official record
Conditions
Post-operative Pain, Acute, Cesarean Section, Opioid Use Disorder, Opioids; Harmful Use
Interventions
Auricular percutaneous nerve field stimulator, Sham auricular percutaneous nerve field stimulator
Device
Lead sponsor
Inova Health Care Services
Other
Eligibility
18 Years to 55 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Falls Church, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 2, 2025 · Synced Jul 21, 2026, 5:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Using Combined EEG and Non-invasive Brain Stimulation to Examine and Improve Reward Functioning in Opioid Use Disorder

NCT04432493
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
Active repetitive transcranial magnetic stimulation (rTMS), Sham repetitive transcranial magnetic stimulation (rTMS)
Device
Lead sponsor
Rutgers University
Other
Eligibility
18 Years to 55 Years
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Newark, New Jersey
Source: ClinicalTrials.gov public record
Updated Mar 7, 2024 · Synced Jul 21, 2026, 5:09 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 13, 2024 · Synced Jul 21, 2026, 5:09 AM EDT
Completed Not applicable Interventional

Repeated-dose Brief Intervention to Reduce Overdose and Risk Behaviors Among Naloxone Recipients

NCT02093559
View directory record Official record
Conditions
Opioid-Related Disorders, Drug Overdose
Interventions
Brief counseling Intervention
Behavioral
Lead sponsor
San Francisco Department of Public Health
Government
Eligibility
18 Years to 65 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Nov 21, 2023 · Synced Jul 21, 2026, 5:09 AM EDT
Not yet recruiting Not applicable Interventional

A Unique, Co-Designed Family-Based Therapy

NCT07587359
View directory record Official record
Conditions
Opioid Abuse (Disorder)
Interventions
Adapted Multi-Dimensional Family Therapy, Specialty Treatment Court Program Services
Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Jul 21, 2026, 5:09 AM EDT
Not yet recruiting Not applicable Interventional

Pilot Study of an Adapted Partner Navigation Intervention Booster Session for Sustained Healthcare Engagement Among People Who Inject Drugs

NCT07631559
View directory record Official record
Conditions
HEPATITIS C (HCV), Opioid Use Disorder, Substance Use Disorder (SUD), Drug Use Disorders, Healthcare Access, Harm Reduction
Interventions
Partner navigation intervention booster session
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Jul 21, 2026, 5:09 AM EDT
Completed No phase listed Observational Results available

Hepatitis C Pharmacy-based Strategy for Injectors

NCT04698629
View directory record Official record
Conditions
Hepatitis C
Interventions
Not listed
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 7, 2025 · Synced Jul 21, 2026, 5:09 AM EDT
Completed Phase 3 Interventional

Buprenorphine Maintenance for Cocaine Abusing Opioid Addicts - 1

NCT00000216
View directory record Official record
Conditions
Cocaine-Related Disorders, Opioid-Related Disorders, Substance-Related Disorders
Interventions
Buprenorphine
Drug
Lead sponsor
Yale University
Other
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2005
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 28, 2020 · Synced Jul 21, 2026, 5:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Bioequivalency Study of Buprenorphine Hydrochloride 8 mg Tablet Under Fasted Conditions

NCT00992095
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
buprenorphine hydrochloride
Drug
Lead sponsor
Roxane Laboratories
Industry
Eligibility
18 Years to 45 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jan 22, 2018 · Synced Jul 21, 2026, 5:09 AM EDT
Completed Not applicable Interventional Results available

Evaluating the Impact of the Bridge Clinic in Patients With Opioid Use Disorder

NCT04084392
View directory record Official record
Conditions
Opioid Use, Opioid-use Disorder
Interventions
Bridge Clinic, Usual Care
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
335 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 9, 2024 · Synced Jul 21, 2026, 5:09 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 9, 2016 · Synced Jul 21, 2026, 5:09 AM EDT
Terminated Not applicable Interventional

Response to Relapse in Office-Based Opioid Treatment Trial

NCT03812107
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
Moderate Treatment Approach, Intensive Treatment Approach
Other
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 11, 2022 · Synced Jul 21, 2026, 5:09 AM EDT
Completed Not applicable Interventional Results available

Sleep Disordered Breathing and Chronic Pain

NCT01457014
View directory record Official record
Conditions
Sleep Apnea Syndromes
Interventions
servo ventilation auto, Continuous positive airway pressure, servo ventilation manual
Device
Lead sponsor
Philips Respironics
Industry
Eligibility
21 Years to 70 Years
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
4
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Atlanta, Georgia + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 18, 2016 · Synced Jul 21, 2026, 5:09 AM EDT
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 Nov 24, 2025 · Synced Jul 21, 2026, 5:09 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Computer Game, Qualitative, and MEG/EEG Assessment of Serotonergic Psychedelics

NCT06624137
View directory record Official record
Conditions
OCD, Major Depressive Disorder (MDD), Alcohol Use Disorder (AUD), Healthy Volunteer, Migraine, PTSD, PTSD - Post Traumatic Stress Disorder, Addiction, Tobacco Use Disorder, Obsessive Compulsive Disorder (OCD), Opioid Use Disorder
Interventions
Serotonergic Psychedelic, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
2
States / cities
Hamden, Connecticut • West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Jul 21, 2026, 5:09 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Social Functioning in Opioid Use Disorder

NCT07044466
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
CBT4CBT-Buprenorphine
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
230 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Jul 21, 2026, 5:09 AM EDT
Terminated Not applicable Interventional

Preoperative Education in Hand and Wrist Surgery

NCT05237531
View directory record Official record
Conditions
Distal Radius Fracture
Interventions
Standardized Preoperative Education, Standard of care, Preoperative and postoperative questionnaires
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 21, 2024 · Synced Jul 21, 2026, 5:09 AM EDT
Completed Phase 2 Interventional Results available

Efficacy of Levetiracetam in Cocaine-Abusing Methadone Maintained Patients

NCT00577005
View directory record Official record
Conditions
Cocaine Dependence, Opioid Dependency
Interventions
levetiracetam, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 16, 2018 · Synced Jul 21, 2026, 5:09 AM EDT
Completed No phase listed Observational Results available

Prevention of Opioid-Induced Hypoxemia

NCT04453722
View directory record Official record
Conditions
Non-cardiac Surgery
Interventions
Oxalert Monitor Mode, Oxalert Normal mode
Device
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 85 Years
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 28, 2025 · Synced Jul 21, 2026, 5:09 AM EDT
Not yet recruiting No phase listed Observational

Real-World Evaluation of Compl-AI for Predicting Early Medication Dropout in Opioid Use Disorder Treatment

NCT07456930
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Not listed
Lead sponsor
Tools4Patient
Other
Eligibility
18 Years and older
Enrollment
295 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
2
States / cities
San Diego, California • Vista, California
Source: ClinicalTrials.gov public record
Updated Mar 17, 2026 · Synced Jul 21, 2026, 5:09 AM EDT
Not listed No phase listed Observational

Naloxegol US PMR CV Safety.

NCT02813356
View directory record Official record
Conditions
Opioid Induced Constipation
Interventions
naloxegol, non-PAMORA
Drug
Lead sponsor
Valinor Pharma LLC
Industry
Eligibility
Not listed
Enrollment
8,800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
2
States / cities
Wilmington, Delaware • Hines, Illinois
Source: ClinicalTrials.gov public record
Updated May 14, 2023 · Synced Jul 21, 2026, 5:09 AM EDT
Terminated Phase 3 Interventional Results available

Open-Label Safety and Tolerability of Oxymorphone IR and ER in Opioid Tolerant Pediatric Subjects

NCT00765856
View directory record Official record
Conditions
Chronic Pain
Interventions
Oxymorphone ER
Drug
Lead sponsor
Endo USA Inc., a Keenova Therapeutics Company
Industry
Eligibility
6 Years to 17 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
13
States / cities
Little Rock, Arkansas • Stanford, California • Aurora, Colorado + 10 more
Source: ClinicalTrials.gov public record
Updated Dec 15, 2020 · Synced Jul 21, 2026, 5:09 AM EDT
Completed Phase 3 Interventional

Re-Treatment Study of Probuphine in Opioid Addiction

NCT01262261
View directory record Official record
Conditions
Opioid Dependency
Interventions
Probuphine (buprenorphine implant)
Drug
Lead sponsor
Titan Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
18
States / cities
Los Angeles, California • National City, California • Oceanside, California + 15 more
Source: ClinicalTrials.gov public record
Updated Dec 30, 2018 · Synced Jul 21, 2026, 5:09 AM EDT
Recruiting Phase 3 Interventional

Effect of NSAIDs on Union, Opioid Utilization and Pain Management for Tibia Fractures: A Pragmatic, Randomized Controlled Trial

NCT07006675
View directory record Official record
Conditions
Tibial Fractures, Pain
Interventions
600 mg Ibuprofen
Drug
Lead sponsor
Major Extremity Trauma Research Consortium
Other
Eligibility
18 Years to 80 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
13
States / cities
Indianapolis, Indiana • Baltimore, Maryland • Cambridge, Massachusetts + 9 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2025 · Synced Jul 21, 2026, 5:09 AM EDT