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 are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Sep 26, 2026, 10:35 AM EDT

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

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: oxycodone HCl 20 mg Clear all
Completed Phase 2 Interventional Results available

Efficacy and Safety Study Evaluating ADL5859 and ADL5747 in Participants With Pain Due to Osteoarthritis of the Knee

NCT00979953
View directory record Official record
Conditions
Osteoarthritis of the Knee
Interventions
ADL5859, ADL5747, Oxycodone CR, Placebo
Drug
Lead sponsor
Cubist Pharmaceuticals LLC, a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)
Industry
Eligibility
18 Years to 75 Years
Enrollment
408 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
11
States / cities
Daytona Beach, Florida • Stockbridge, Georgia • Chicago, Illinois + 8 more
Source: ClinicalTrials.gov public record
Updated Aug 13, 2015 · Synced Sep 26, 2026, 10:35 AM EDT
Completed Phase 3 Interventional Results available

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

NCT00315445
View directory record Official record
Conditions
Back Pain
Interventions
Buprenorphine transdermal patch, Placebo oxycodone/acetaminophen tablets, OXY/APAP, Placebo transdermal patch (TDS)
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years and older
Enrollment
134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 1998
U.S. locations
12
States / cities
Huntsville, Alabama • Phoenix, Arizona • Gainesville, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 2, 2012 · Synced Sep 26, 2026, 10:35 AM EDT
Completed Phase 3 Interventional

Analgesic Efficacy and Management of Opioid-induced Constipation (OIC) for Uncontrolled Moderate - Severe Low Back Pain

NCT01427270
View directory record Official record
Conditions
Low Back Pain
Interventions
Oxycodone/Naloxone controlled-release, Oxycodone HCl controlled-release, Placebo
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years and older
Enrollment
455 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
170
States / cities
Alabaster, Alabama • Birmingham, Alabama • Gulf Shores, Alabama + 137 more
Source: ClinicalTrials.gov public record
Updated Nov 6, 2014 · Synced Sep 26, 2026, 10:35 AM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Effect of Postoperative Ketorolac on Bone Healing After Joint Fusion

NCT04872283
View directory record Official record
Conditions
Ketorolac, Joint Fusion
Interventions
great toe (1st metatarsophalangeal joint) fusion, IV Ketorolac, Ketorolac Pill, 5/325mg Oxycodone-Acetaminophen, Aspirin 81Mg Ec Tab
Procedure · Drug
Lead sponsor
Rothman Institute Orthopaedics
Other
Eligibility
18 Years and older
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 3, 2021 · Synced Sep 26, 2026, 10:35 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Assessment of Abuse Potential of Cebranopadol in Humans

NCT05256108
View directory record Official record
Conditions
Human Abuse Potential
Interventions
Oxycodone 40 mg, Tramadol 600 mg, Placebo, Cebranopadol 600 µg, Cebranopadol 1000 µg
Drug
Lead sponsor
Tris Pharma, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 26, 2022 · Synced Sep 26, 2026, 10:35 AM EDT
Terminated Phase 3 Interventional Results available

Safety and Efficacy of Buprenorphine Transdermal System (BTDS) in Subjects With Moderate to Severe Osteoarthritis Pain

NCT00312221
View directory record Official record
Conditions
Osteoarthritis
Interventions
Buprenorphine, oxycodone immediate-release
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
40 Years and older
Enrollment
418 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
23
States / cities
Birmingham, Alabama • Chula Vista, California • Roseville, California + 18 more
Source: ClinicalTrials.gov public record
Updated Sep 9, 2012 · Synced Sep 26, 2026, 10:35 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 21, 2025 · Synced Sep 26, 2026, 10:35 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Randomized, Two-way, Crossover Study to Estimate the Relative Bioavailability of a Controlled-release Formulation of Oxycodone (40 mg) With Sequestered Naltrexone Compared With Immediate-release Oxycodone Tablets (20 mg) in Healthy Volunteers

NCT01677065
View directory record Official record
Conditions
Healthy
Interventions
Oxycodone controlled-release test formulation, Immediate-release reference drug
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 27, 2018 · Synced Sep 26, 2026, 10:35 AM 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 28, 2014 · Synced Sep 26, 2026, 10:35 AM EDT
Completed Phase 1 Interventional Results available

Pharmacokinetics and Safety of ORF Tablets in Pediatric Patients

NCT01160614
View directory record Official record
Conditions
Opioid Analgesia
Interventions
Oxycodone hydrochloride controlled-release (ORF) tablets
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
6 Years to 16 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
13
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Palo Alto, California + 10 more
Source: ClinicalTrials.gov public record
Updated Oct 14, 2012 · Synced Sep 26, 2026, 10:35 AM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Too Much of a Good Thing? Impact of Initial Prescription Size in Post-cesarean Section Pain Management

NCT05360433
View directory record Official record
Conditions
Post Operative Pain
Interventions
Oxycodone oral capsule
Drug
Lead sponsor
Carilion Clinic
Other
Eligibility
19 Years to 40 Years · Female only
Enrollment
170 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated May 3, 2022 · Synced Sep 26, 2026, 10:35 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Educational Video on Pain Management and Subsequent Opioid Use After Cesarean Delivery

NCT03959969
View directory record Official record
Conditions
Opioid Use, Unspecified
Interventions
Educational video, Standard of care, Ibuprofen, Oxycodone
Other · Drug
Lead sponsor
Medstar Health Research Institute
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Mar 31, 2021 · Synced Sep 26, 2026, 10:35 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Abuse Potential of Gabapentin Taken Orally Concomitantly With Oxycodone Hydrochloride in Healthy, Non-Drug-Dependent, Recreational Opioid Users

NCT07813026
View directory record Official record
Conditions
Healthy, Non-Drug- Dependent, Recreational Opioid Users
Interventions
Placebo, Oxycodone 20mg, gabapentin 600 mg, Gabapentin 1200mg, Gabapentin 600 mg + Oxycodone 20 mg, Gabapentin 1200 mg + Oxycodone 20 mg
Drug
Lead sponsor
Viatris Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Sep 26, 2026, 10:35 AM EDT
Terminated Early Phase 1 Interventional

Reducing the Abuse of Opioids in Drug Users

NCT03837860
View directory record Official record
Conditions
Opioid Abuse, Unspecified, Opioid Dependence
Interventions
Oxycodone/Placebo, Oxycodone/Risperidone, Oxycodone/Ziprasidone
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
21 Years to 65 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Feb 14, 2022 · Synced Sep 26, 2026, 10:35 AM EDT
Completed Phase 3 Interventional

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

NCT00315874
View directory record Official record
Conditions
Back Pain
Interventions
Buprenorphine transdermal delivery system
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years and older
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 1998
U.S. locations
12
States / cities
Phoenix, Arizona • Gainesville, Florida • Plantation, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated May 13, 2013 · Synced Sep 26, 2026, 10:35 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Determine the Effects of Co-Administration of Alcohol on the Absorption of Oxycodone From a Proprietary Controlled-Release Formulation

NCT01677039
View directory record Official record
Conditions
Healthy
Interventions
Test formulation administered with water, Test formulation administered with 20% ethanol, Test formulation administered with 40% ethanol
Drug
Lead sponsor
Pfizer
Industry
Eligibility
21 Years to 55 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 10, 2012 · Synced Sep 26, 2026, 10:35 AM EDT
Completed Phase 1 Interventional

A Study to Evaluate the Oral Abuse Potential of PF614 in Non-Dependent Recreational Opioid Users (PF614-104)

NCT05571345
View directory record Official record
Conditions
Recreational Drug Use
Interventions
PF614, Oxycodone Hydrochloride 40 mg, Placebo
Drug
Lead sponsor
Ensysce Biosciences
Industry
Eligibility
18 Years to 55 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Sep 23, 2024 · Synced Sep 26, 2026, 10:35 AM EDT
Completed Phase 4 Interventional Results available

Study of EXPAREL in Patients Undergoing Breast Augmentation

NCT01582490
View directory record Official record
Conditions
Mammoplasty, Postoperative Pain
Interventions
Instillation - EXPAREL, Infiltration - EXPAREL
Drug
Lead sponsor
Pacira Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 75 Years · Female only
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
Brighton, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 1, 2014 · Synced Sep 26, 2026, 10:35 AM EDT
Terminated Phase 3 Interventional Results available

Safety and Efficacy of Buprenorphine Transdermal System (BTDS) in Subjects With Moderate to Severe Low Back Pain

NCT00313014
View directory record Official record
Conditions
Back Pain Lower Back Chronic
Interventions
Buprenorphine, Oxycodone Immediate-Release
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years and older
Enrollment
660 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
85
States / cities
Birmingham, Alabama • Haleyville, Alabama • Phoenix, Arizona + 72 more
Source: ClinicalTrials.gov public record
Updated Sep 2, 2012 · Synced Sep 26, 2026, 10:35 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Novel Multimodal Pain Control Protocol for Minimally Invasive Gynecologic Surgery

NCT04710277
View directory record Official record
Conditions
Postoperative Pain, Narcotic Use, Cryotherapy Effect
Interventions
Opioid-sparing multimodal pain management, Usual care
Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older · Female only
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 11, 2023 · Synced Sep 26, 2026, 10:35 AM EDT
Completed Phase 1 Interventional Results available

Prescription Medication Interactions

NCT04315181
View directory record Official record
Conditions
Opioid Use, Sedative Use
Interventions
Opioid Agonist, Sedatives
Drug
Lead sponsor
Sharon Walsh
Other
Eligibility
18 Years to 55 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Oct 19, 2025 · Synced Sep 26, 2026, 10:35 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 1, 2016 · Synced Sep 26, 2026, 10:35 AM EDT
Completed Phase 3 Interventional

A Study of Oxycodone/Naloxone Controlled-release Tablets (OXN) to Assess Analgesic Efficacy and Management of Opioid-induced Constipation (OIC) in Opioid-experienced Subjects With Moderate to Severe Chronic Low Back Pain

NCT01427283
View directory record Official record
Conditions
Low Back Pain
Interventions
Oxycodone/Naloxone controlled-release, Oxycodone HCl controlled-release, Placebo
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
149
States / cities
Alabaster, Alabama • Birmingham, Alabama • Foley, Alabama + 114 more
Source: ClinicalTrials.gov public record
Updated Feb 11, 2015 · Synced Sep 26, 2026, 10:35 AM EDT
Completed Phase 4 Interventional Results available

Analgesia After Total Knee Arthroplasty: Peri-Articular Injection Versus Epidural + Femoral Nerve Blockade

NCT01335542
View directory record Official record
Conditions
Readiness to Discharge
Interventions
Peri-Articular Injection, Epidural Pathway (PCEA+FNB)
Procedure
Lead sponsor
Hospital for Special Surgery, New York
Other
Eligibility
18 Years to 85 Years
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 13, 2022 · Synced Sep 26, 2026, 10:35 AM EDT