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ClinicalTrials.gov public records Last synced Oct 17, 2026, 1:07 PM EDT

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Showing 265–288 of 433 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: oxycodone Clear all
Completed Phase 3 Interventional

A Study to Evaluate Safety and Efficacy Following Dosing of Oxycodone/Naltrexone for Treatment of Adults With Pain Following Bunionectomy Surgery

NCT02401750
View directory record Official record
Conditions
Pain
Interventions
Oxycodone Naltrexone (a), Oxycodone Naltrexone (b), Placebo
Drug
Lead sponsor
Elite Laboratories, Inc
Industry
Eligibility
18 Years to 75 Years
Enrollment
163 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
5
States / cities
Phoenix, Arizona • Pasadena, Maryland • Austin, Texas + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 9, 2016 · Synced Oct 17, 2026, 1:07 PM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

The Potential of Oxytocin to Reduce Opioid Abuse Liability and Pain Among Older Adults

NCT05761860
View directory record Official record
Conditions
Pain
Interventions
OxyCODONE 5 mg Oral Tablet, OxyCODONE 2.5 mg Oral Tablet, Placebo oxyCODONE Oral Tablet, Oxytocin Nasal Spray (48 IU), Placebo Oxytocin Nasal Spray
Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
45 Years to 85 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated May 1, 2026 · Synced Oct 17, 2026, 1:07 PM EDT
Completed Not applicable Interventional Results available

A Pilot Study of Switching From One Pain Medication to Another (Opioid Rotation)

NCT00580294
View directory record Official record
Conditions
Pain
Interventions
Oxymorphone
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 3, 2016 · Synced Oct 17, 2026, 1:07 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Variability in Analgesic Response to Ibuprofen

NCT06539741
View directory record Official record
Conditions
Impacted Third Molar Tooth, Pain, Acute
Interventions
Not listed
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Oct 17, 2026, 1:07 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Opiate Sparing Protocol Randomized Controlled Trial in Open Distal Radius Fracture Repair

NCT05215236
View directory record Official record
Conditions
Distal Radius Fracture
Interventions
Opiate Sparing, Opiate Based
Other
Lead sponsor
Campbell Clinic
Other
Eligibility
18 Years to 85 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Germantown, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 6, 2025 · Synced Oct 17, 2026, 1:07 PM EDT
Completed Phase 4 Interventional

Postoperative Pain and Analgesic Requirements After Preoperative Methadone for Primary TKA

NCT06691633
View directory record Official record
Conditions
Osteoarthritis (OA) of the Knee
Interventions
Preoperative Methadone, Preoperative Oxycodone
Drug
Lead sponsor
University of Louisville
Other
Eligibility
21 Years to 89 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Nov 15, 2024 · Synced Oct 17, 2026, 1:07 PM EDT
Not yet recruiting Phase 4 Interventional

Suzetrigine in Tonsillectomy for Opioid-sparing Pain Management

NCT07821931
View directory record Official record
Conditions
Tonsillectomy, Pharyngoplasty, Suzetrigine, Opioid, Postoperative Pain, Acute Pain
Interventions
Suzetrigine, Acetaminophen, oxycodone
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Oct 17, 2026, 1:07 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Opiates and Benzodiazepines on Driving

NCT03447353
View directory record Official record
Conditions
Driving Behavior
Interventions
Xanax 1Mg Tablet, Norco 10Mg-325Mg Tablet, Placebo Oral Tablet
Drug
Lead sponsor
Timothy L. Brown
Other
Eligibility
18 Years to 40 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Sep 27, 2018 · Synced Oct 17, 2026, 1:07 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Addition of Muscle Relaxants in a Multimodal Analgesic Regimen for Analgesia After Primary Total Knee Arthroplasty

NCT04574791
View directory record Official record
Conditions
Pain, Postoperative
Interventions
TiZANidine 2 MG Oral Capsule
Drug
Lead sponsor
Rothman Institute Orthopaedics
Other
Eligibility
18 Years to 80 Years
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 5, 2020 · Synced Oct 17, 2026, 1:07 PM EDT
Completed Phase 4 Interventional Results available

Supracondylar Humerus Fracture (SCHF) Post-Op Study Between Opioid and Non-Opioid Pain Management

NCT06187584
View directory record Official record
Conditions
Supracondylar Humerus Fracture
Interventions
Hydrocodone/acetaminophen, Acetaminophen, Ibuprofen
Drug
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
5 Years to 9 Years
Enrollment
137 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced Oct 17, 2026, 1:07 PM EDT
Not yet recruiting Phase 4 Interventional

Suzetrigine vs. Standard Care Pain Relief Following Outpatient Knee Replacement Surgery

NCT07796152
View directory record Official record
Conditions
Knee Arthroplasty, Total, Post Operative Pain, Acute, Opioid Consumption, Postoperative
Interventions
Suzetrigine, Opioid standard care pain medicine
Drug
Lead sponsor
Endeavor Health
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Skokie, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Oct 17, 2026, 1:07 PM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate Long-Term Safety of Multiple Doses of Tapentadol (CG5503) Prolonged-Release (PR) and Oxycodone Controlled-Release (CR) in Patients With Chronic Pain

NCT00361504
View directory record Official record
Conditions
Osteoarthritis, Hip, Osteoarthritis, Knee, Lower Back Pain, Pain
Interventions
Oxycodone CR, Tapentadol (CG5503) ER
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
18 Years and older
Enrollment
1,123 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
40
States / cities
Mesa, Arizona • Tucson, Arizona • Anaheim, California + 37 more
Source: ClinicalTrials.gov public record
Updated Apr 29, 2014 · Synced Oct 17, 2026, 1:07 PM EDT
Terminated Phase 3 Interventional Results available

A Study to Evaluate the Effectiveness and Safety of Tapentadol(CG5503) in the Treatment of Acute Pain After Hip Replacement Surgery Compared With Oxycodone and Placebo Followed by a Voluntary Open-Label Extension For Safety

NCT00364533
View directory record Official record
Conditions
Arthroplasty
Interventions
Tapentadol IR (CG5503), Placebo, Oxycodone HCL IR
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
18 Years to 80 Years
Enrollment
367 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
45
States / cities
Birmingham, Alabama • Mobile, Alabama • Sheffield, Alabama + 42 more
Source: ClinicalTrials.gov public record
Updated Apr 21, 2014 · Synced Oct 17, 2026, 1:07 PM EDT
Completed Phase 1 Interventional Results available

Opioid and Cannabinoid Pharmacokinetic Interactions

NCT00308555
View directory record Official record
Conditions
Pain
Interventions
Cannabis
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 9, 2016 · Synced Oct 17, 2026, 1:07 PM EDT
Completed Phase 1 Interventional

Edible Plant Exosome Ability to Prevent Oral Mucositis Associated With Chemoradiation Treatment of Head and Neck Cancer

NCT01668849
View directory record Official record
Conditions
Head and Neck Cancer, Oral Mucositis
Interventions
Grape extract, Lortab, Fentanyl patch, mouthwash
Dietary Supplement · Drug
Lead sponsor
University of Louisville
Other
Eligibility
20 Years to 85 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2022
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Aug 9, 2022 · Synced Oct 17, 2026, 1:07 PM EDT
Completed Not applicable Interventional Results available

24-hour Oral Morphine Equivalent Based Opioid Prescribing After Surgery

NCT04043143
View directory record Official record
Conditions
Opioid Use
Interventions
Arm 1 Prescription As Usual, Arm 2 Prescription Tool Intervention
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 27, 2021 · Synced Oct 17, 2026, 1:07 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

To Determine the Fasting Bioequivalence of Reformulated OXY Tablets and Original OxyContin® (OXY) Tablets

NCT01101165
View directory record Official record
Conditions
Healthy
Interventions
Reformulated OXY (oxycodone HCl), Original OxyContin® (OXY) (oxycodone HCl)
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years to 50 Years
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Evansville, Indiana
Source: ClinicalTrials.gov public record
Updated May 11, 2010 · Synced Oct 17, 2026, 1:07 PM EDT
Completed Early Phase 1 Interventional

Role of Pregabalin in Treatment of Post-Op Pain in Fracture Patients

NCT00583869
View directory record Official record
Conditions
Post-operative Pain
Interventions
Placebo, Pregabalin
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years to 70 Years
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jan 7, 2014 · Synced Oct 17, 2026, 1:07 PM EDT
Recruiting Phase 4 Interventional

Comparing Analgesic Regimen Effectiveness and Safety for Surgery for Kids Trial

NCT06671002
View directory record Official record
Conditions
Surgery, Pain, Post Operative
Interventions
NSAID, Opioid, Acetaminophen, Ibuprofen
Drug
Lead sponsor
University of Michigan
Other
Eligibility
12 Years to 20 Years
Enrollment
900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
4
States / cities
Los Angeles, California • Palo Alto, California • Ann Arbor, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Oct 17, 2026, 1:07 PM EDT
Completed Phase 2 Interventional Results available

Medication Development for Opioid and Alcohol Abuse

NCT03205423
View directory record Official record
Conditions
Opioid-use Disorder, Alcohol Use Disorder
Interventions
Gabapentin
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 59 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 17, 2026, 1:07 PM EDT
Terminated Phase 2 Interventional Results available

Comparing Intrathecal Morphine and Intraoperative Lidocaine Infusion to Epidural Anesthesia With Postoperative PCA for Patients Undergoing Exploratory Laparotomy

NCT05017246
View directory record Official record
Conditions
Cancer Debulking, Enlarged Uterus, Fibroid Uterus, Adnexal Mass
Interventions
Bupivacaine, Morphine, Lidocaine
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 31, 2025 · Synced Oct 17, 2026, 1:07 PM EDT
Terminated Early Phase 1 Interventional

Levorphanol as a Second Line Opioid in Reducing Pain in Patients With Cancer

NCT03579446
View directory record Official record
Conditions
Hematopoietic and Lymphoid Cell Neoplasm, Malignant Solid Neoplasm, Metastatic Malignant Solid Neoplasm
Interventions
Hydrocodone, Hydromorphone, Levorphanol, Morphine, Oxycodone, Oxymorphone, Questionnaire Administration
Drug · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 3, 2025 · Synced Oct 17, 2026, 1:07 PM EDT
Completed Phase 4 Interventional

Stress and Opioid Misuse Risk: The Role of Endogenous Opioid and Endocannabinoid Mechanisms

NCT05142267
View directory record Official record
Conditions
Opioid Use Disorder, Back Pain, Stress
Interventions
Placebo, Oxycodone, Naloxone
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 4, 2026 · Synced Oct 17, 2026, 1:07 PM EDT
Completed Phase 4 Interventional

Multimodal Analgesia Effect on Post Surgical Patient

NCT04240626
View directory record Official record
Conditions
Obesity, Morbid, Surgery, Bariatric Surgery Candidate
Interventions
Neurontin, Dilaudid Injectable Product, Marcaine Injectable Product, Oxycodone Hydrochloride, Hycet 7.5Mg-325Mg/15Ml Solution, Zofran Injection, Scopolamine patch, Ativan, Flexeril Oral Product, Tylenol Suspension
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
35 Years to 65 Years · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Oct 17, 2026, 1:07 PM EDT