Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 18, 2026, 9:20 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 145–168 of 301 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Codeine Clear all
Not listed Phase 3 Interventional Accepts healthy volunteers

Pain Management After Surgery

NCT05154682
View directory record Official record
Conditions
Pain, Postoperative
Interventions
OxyCODONE 5 mg Oral Tablet, Acetaminophen 500Mg Tab, Naproxen 500 Mg
Drug
Lead sponsor
Rothman Institute Orthopaedics
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 13, 2021 · Synced Oct 18, 2026, 9:20 AM EDT
Completed Phase 4 Interventional Results available

A Multimodal Analgesia Protocol Adapted for Ambulatory Surgery

NCT04015908
View directory record Official record
Conditions
Opioid Use
Interventions
Celecoxib, Acetaminophen, Pregabalin, Oxycodone, Percocet
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jul 8, 2024 · Synced Oct 18, 2026, 9:20 AM EDT
Completed Not applicable Interventional Results available

Study of Anesthesia Techniques to Reduce Nausea and Vomiting After Jaw Corrective Surgery

NCT01592708
View directory record Official record
Conditions
Post-operative Nausea, Post-operative Vomiting, Nausea Persistent
Interventions
Antiemetic anesthesia protocol
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
15 Years and older
Enrollment
233 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 20, 2014 · Synced Oct 18, 2026, 9:20 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study to Determine the Fasting Bioequivalence of Reformulated OXY Tablets and Original OxyContin® (OXY) Tablets

NCT01101191
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
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated May 25, 2010 · Synced Oct 18, 2026, 9:20 AM EDT
Completed Phase 2 Interventional

Study to Evaluate the Subjective Effects of PTI-801 in Non-Physically Dependent Subjects With a History of Drug Abuse

NCT00734461
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
oxycodone and naltrexone
Drug
Lead sponsor
Pain Therapeutics
Industry
Eligibility
18 Years to 65 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 2, 2016 · Synced Oct 18, 2026, 9:20 AM EDT
Completed Phase 3 Interventional Results available

Safety of Twice Daily Oxycodone Hydrochloride Controlled-release Tablets in Children With Moderate to Severe Malignant and/ or Nonmalignant Pain Requiring Opioids

NCT01192295
View directory record Official record
Conditions
Pain
Interventions
Oxycodone HCl controlled-release tablets
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
6 Years to 16 Years
Enrollment
155 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
35
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 31 more
Source: ClinicalTrials.gov public record
Updated Mar 23, 2020 · Synced Oct 18, 2026, 9:20 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Clinical Study to Investigate the Effect of the Combination of Psychotropic Drugs and an Opioid on Ventilation

NCT04310579
View directory record Official record
Conditions
Hypercapnia, Ventilatory Depression
Interventions
Oxycodone and Midazolam, Oxycodone, Paroxetine, and Quetiapine
Drug
Lead sponsor
Food and Drug Administration (FDA)
Federal
Eligibility
18 Years to 50 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
West Bend, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 21, 2024 · Synced Oct 18, 2026, 9:20 AM EDT
Completed Not applicable Interventional Results available

A Cost Effective Treatment for Headache in Pregnancy When Acetaminophen Alone is Ineffective.

NCT02295280
View directory record Official record
Conditions
Headache
Interventions
Metoclopramide, Diphenhydramine, Codeine
Drug
Lead sponsor
St. Louis University
Other
Eligibility
16 Years to 50 Years · Female only
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 2, 2018 · Synced Oct 18, 2026, 9:20 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effect of Methylnaltrexone on GI Transit in Healthy Volunteers

NCT01055704
View directory record Official record
Conditions
Gastric Motility Disorder
Interventions
Methylnaltrexone only, Codeine only, Methylnaltrexone + codeine, Placebo + placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 25, 2012 · Synced Oct 18, 2026, 9:20 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Non-intrusive Detection of Temporary Neurologic Impairment By Opioids

NCT04223609
View directory record Official record
Conditions
Healthy
Interventions
Oxycodone, Placebo, EyeLink 1000 Plus, Oculo-Cognitive Addition test (OCAT), VT3mini - Eye Tracking Technology for OEMs
Drug · Device · Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
21 Years to 59 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 5, 2023 · Synced Oct 18, 2026, 9:20 AM EDT
Completed Phase 4 Interventional

Open-Label Study of Oxycodone/APAP to Treat Post-Operative Pain Following Arthroscopic Knee Surgery

NCT02391844
View directory record Official record
Conditions
Disorder of Knee
Interventions
Oxycodone
Drug
Lead sponsor
International Clinical Research Institute
Other
Eligibility
18 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 7, 2016 · Synced Oct 18, 2026, 9:20 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Study of the Abuse Liability of Oxycodone HCl/Niacin in Subjects With a History of Opioid Abuse

NCT00699010
View directory record Official record
Conditions
Opioid Abuse
Interventions
Acurox 5/30mg taken first, Oxycodone 5mg taken first
Drug
Lead sponsor
Acura Pharmaceuticals Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 3, 2018 · Synced Oct 18, 2026, 9:20 AM EDT
Completed Not applicable Interventional Results available

Real-time Decision Support for Postoperative Nausea and Vomiting (PONV) Prophylaxis

NCT02625181
View directory record Official record
Conditions
Postoperative Nausea and Vomiting
Interventions
Automated recommendation at the start of the case, Automated notification at the start of surgery, Preoperative recommendations: by email, Automated notification at the end of surgery, Anesthesia Information Management System (AIMS), Perioperative Data Warehouse (PDW), General anesthesia, Elective surgery, Propofol, Sevoflurane, Isoflurane, Desflurane, Scopolamine, Droperidol, Haloperidol, Dexamethasone, Promethazine, Meclizine, Aprepitant, Metoclopramide, Fentanyl, Sufentanil, Alfentanil, Remifentanil, Morphine, Meperidine, Hydromorphone, Methadone, Oxycodone, Oxymorphone, Hydrocodone, Ketamine, Ondansetron, Granisetron, Dolasetron mesylate, Palonosetron, Tropisetron, Ramosetron
Procedure · Device · Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
27,034 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 7, 2019 · Synced Oct 18, 2026, 9:20 AM EDT
Completed Phase 1 Interventional

Towards Predicting the Analgesic Response to Ibuprofen Following Third-molar Extraction

NCT03893175
View directory record Official record
Conditions
Impacted Third Molar Tooth, Pain, Acute
Interventions
Ibuprofen, Acetaminophen, Placebo, Oxycodone
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 64 Years
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 24, 2025 · Synced Oct 18, 2026, 9:20 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Opioid Use After Laparoscopic Salpingectomy

NCT06434233
View directory record Official record
Conditions
Opioid Use, Post-operative Pain, Sterility, Female
Interventions
Acetaminophen, Ibuprofen, Oxycodone
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older · Female only
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Oct 18, 2026, 9:20 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Single Dose Crossover Study to Compare the Respiratory Drive After Administration of Belbuca, Oxycodone and Placebo.

NCT03996694
View directory record Official record
Conditions
Respiratory Depression
Interventions
Belbuca 300 µg, Belbuca 600 µg, Belbuca 900 µg, Oxycodone 30 mg, Oxycodone 60 mg, Placebo
Drug
Lead sponsor
BioDelivery Sciences International
Industry
Eligibility
18 Years to 55 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Feb 5, 2021 · Synced Oct 18, 2026, 9:20 AM EDT
Withdrawn Phase 4 Interventional

The Effect of NSAIDs After a Rotator Cuff Repair Surgery.

NCT02153177
View directory record Official record
Conditions
Rotator Cuff Tear
Interventions
Rotator cuff repair, Ibuprofen, Hydrocodone/Acetaminophen, Omeprazole, Hydrocodone/Acetaminophen
Procedure · Drug
Lead sponsor
University of Chicago
Other
Eligibility
45 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 23, 2023 · Synced Oct 18, 2026, 9:20 AM EDT
Enrolling by invitation Phase 4 Interventional Accepts healthy volunteers

Reducing Opioid Use After Upper Extremity Surgery: Testing Lower Prescriptions and Pill Quantity

NCT07750639
View directory record Official record
Conditions
Opioid Abuse (Disorder), Opioid Analgesia, Opioid Analgesic Adverse Reaction, Opioid Consumption
Interventions
Naproxen, Acetaminophen, oxycodone, Gabapentin
Drug
Lead sponsor
AdventHealth
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Oct 8, 2026 · Synced Oct 18, 2026, 9:20 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluation of Oral PF614 Relative to OxyContin (PF614-102)

NCT05043766
View directory record Official record
Conditions
Healthy Volunteers
Interventions
PF614, Naltrexone Hydrochloride, OxyContin
Drug
Lead sponsor
Ensysce Biosciences
Industry
Eligibility
18 Years to 50 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Sep 24, 2024 · Synced Oct 18, 2026, 9:20 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Post-operative Pain Control After Photorefractive Keratectomy Comparing Acetaminophen/Codeine vs Acetaminophen/Oxycodone

NCT04399122
View directory record Official record
Conditions
Post-operative Pain Control
Interventions
acetaminophen/codeine vs acetaminophen/oxycodone
Drug
Lead sponsor
59th Medical Wing
Federal
Eligibility
21 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Oct 5, 2021 · Synced Oct 18, 2026, 9:20 AM EDT
Completed Phase 4 Interventional Results available

Gabapentin for Pain Control After Osmotic Dilator Insertion and Prior to D&E Procedure: a Randomized Controlled Trial

NCT03080493
View directory record Official record
Conditions
Abortion, Induced, Cervical Preparation, Pain
Interventions
Gabapentin 600mg, Placebo oral capsule, acetaminophen/codeine and ibuprofen
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older · Female only
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Apr 14, 2020 · Synced Oct 18, 2026, 9:20 AM EDT
Completed Phase 3 Interventional

A Study of Extended-Release Hydrocodone/Acetaminophen (Vicodin CR®) in Subjects With Acute Pain Following Bunionectomy

NCT00402792
View directory record Official record
Conditions
Pain
Interventions
Hydrocodone/Acetaminophen Extended Release, Placebo
Drug
Lead sponsor
Abbott
Industry
Eligibility
18 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
5
States / cities
Austin, Texas • Houston, Texas • San Antonio, Texas + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 25, 2011 · Synced Oct 18, 2026, 9:20 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pharmacokinetic and Comparative Bioavailability Study of Codeine Sulfate Under Fasted Conditions

NCT01010139
View directory record Official record
Conditions
Pain
Interventions
Codeine Sulfate
Drug
Lead sponsor
Roxane Laboratories
Industry
Eligibility
18 Years to 45 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jan 23, 2018 · Synced Oct 18, 2026, 9:20 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Effect of Selective Serotonin Reuptake Inhibitors (SSRIs) and an Opioid on Ventilation

NCT05470465
View directory record Official record
Conditions
Hypercapnia, Ventilatory Depression
Interventions
Placebo and Oxycodone, Paroxetine and Oxycodone, Escitalopram and Oxycodone
Drug
Lead sponsor
Food and Drug Administration (FDA)
Federal
Eligibility
18 Years to 50 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
West Bend, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 22, 2025 · Synced Oct 18, 2026, 9:20 AM EDT