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ClinicalTrials.gov public records Last synced Oct 3, 2026, 2:27 PM EDT

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Showing 25–41 of 41 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: naproxen 500 mg bid Clear all
Completed Early Phase 1 Interventional

Influence of Naproxen on Heterotropic Bone Formation Following Hip Arthroscopy

NCT01539447
View directory record Official record
Conditions
Heterotopic Ossification
Interventions
Naproxen, placebo
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 80 Years
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2022
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jul 14, 2022 · Synced Oct 3, 2026, 2:27 PM EDT
Completed Phase 4 Interventional Results available

Prospective Randomized Evaluation Of Celecoxib Integrated Safety Vs Ibuprofen Or Naproxen

NCT00346216
View directory record Official record
Conditions
Arthritis, Rheumatoid
Interventions
celecoxib, Ibuprofen, Naproxen
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
18 Years and older
Enrollment
24,081 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2016
U.S. locations
871
States / cities
Alabaster, Alabama • Bessemer, Alabama • Birmingham, Alabama + 515 more
Source: ClinicalTrials.gov public record
Updated Mar 3, 2021 · Synced Oct 3, 2026, 2:27 PM EDT
Terminated Phase 3 Interventional Results available

Evaluating PN 400 (VIMOVO) in Reducing Gastric Ulcers in High Risk Subjects Compared to Arthrotec

NCT00594854
View directory record Official record
Conditions
Gastric Ulcer
Interventions
PN400 (VIMOVO), Diclofenac/Misoprostol
Drug
Lead sponsor
POZEN
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 22, 2010 · Synced Oct 3, 2026, 2:27 PM EDT
Completed Phase 3 Interventional

Efficacy and Safety Study of Naproxcinod in Subjects With Osteoarthritis of the Knee

NCT00504127
View directory record Official record
Conditions
Osteoarthritis
Interventions
Naproxcinod 375 mg bid, Naproxcinod 750 mg bid, Naproxen 500 mg bid, placebo
Drug
Lead sponsor
NicOx
Industry
Eligibility
40 Years and older
Enrollment
1,020 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2007
U.S. locations
73
States / cities
Chandler, Arizona • Tempe, Arizona • Tucson, Arizona + 70 more
Source: ClinicalTrials.gov public record
Updated Jun 17, 2011 · Synced Oct 3, 2026, 2:27 PM EDT
Completed Phase 4 Interventional

Safety and Efficacy of Celecoxib Versus Naproxen in the 6-month Treatment of Knee Osteoarthritis

NCT00643799
View directory record Official record
Conditions
Osteoarthritis, Knee
Interventions
Celecoxib, Naproxen, Placebo
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
40 Years and older
Enrollment
586 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
51
States / cities
Montgomery, Alabama • Phoenix, Arizona • Tempe, Arizona + 41 more
Source: ClinicalTrials.gov public record
Updated Feb 2, 2021 · Synced Oct 3, 2026, 2:27 PM EDT
Completed Phase 2 Interventional Results available

A Study of Tanezumab in Adults With Chronic Low Back Pain

NCT00876187
View directory record Official record
Conditions
Low Back Pain
Interventions
Tanezumab 20 mg IV, Placebo for naproxen, Tanezumab 10 mg IV, Tanezumab 5 mg IV, Placebo for tanezumab, Naproxen
Biological · Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
1,359 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
135
States / cities
Anniston, Alabama • Birmingham, Alabama • Hueytown, Alabama + 101 more
Source: ClinicalTrials.gov public record
Updated Jul 7, 2021 · Synced Oct 3, 2026, 2:27 PM EDT
Recruiting No phase listed Observational

CHronic Nonbacterial Osteomyelitis International Registry

NCT04725422
View directory record Official record
Conditions
Chronic Nonbacterial Osteomyelitis, Chronic Recurrent Multifocal Osteomyelitis
Interventions
Methotrexate, Sulfasalazine, Leflunomide, Pamidronate, Zoledronic acid, Etanercept, Adalimumab, Certolizumab, Infliximab, Golimumab, NSAID
Drug
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
Up to 21 Years
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2050
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 30, 2024 · Synced Oct 3, 2026, 2:27 PM EDT
Terminated Phase 2 Interventional

A Study to Evaluate the Analgesic Efficacy and Safety of VM902A in Subjects With Osteoarthritis (OA) of the Knee

NCT02847702
View directory record Official record
Conditions
Osteoarthritis Pain of the Knee
Interventions
VM902A 200-mg Capsules, VM902A 400-mg Capsules, Naproxen 500-mg Capsules, Placebo
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
40 Years to 75 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
31
States / cities
Birmingham, Alabama • Huntsville, Alabama • DeLand, Florida + 28 more
Source: ClinicalTrials.gov public record
Updated Nov 22, 2017 · Synced Oct 3, 2026, 2:27 PM EDT
Completed Phase 3 Interventional Results available

Characterize Flu-like Symptoms in Relapsing Multiple Sclerosis Patients Transitioning From Non-Pegylated Interferon Beta (IFN-β) Therapies to Peginterferon Beta-1a (BIIB017)

NCT01939002
View directory record Official record
Conditions
Relapsing Multiple Sclerosis
Interventions
BIIB017, naproxen
Drug
Lead sponsor
Biogen
Industry
Eligibility
18 Years to 65 Years
Enrollment
251 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
38
States / cities
Gilbert, Arizona • Phoenix, Arizona • Tucson, Arizona + 34 more
Source: ClinicalTrials.gov public record
Updated Jan 25, 2017 · Synced Oct 3, 2026, 2:27 PM EDT
Completed Phase 3 Interventional Results available

Long Term Safety and Efficacy Study of Tanezumab in Subjects With Osteoarthritis of the Hip or Knee

NCT02528188
View directory record Official record
Conditions
Chronic Pain, Osteoarthritis, Hip, Osteoarthritis, Knee
Interventions
NSAID, Tanezumab 2.5 mg, Tanezumab 5 mg
Drug · Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
3,021 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
299
States / cities
Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 187 more
Source: ClinicalTrials.gov public record
Updated Jan 10, 2020 · Synced Oct 3, 2026, 2:27 PM EDT
Completed Phase 3 Interventional Results available

A 12-month, Phase 3, Open-label, Multi-center Study to Evaluate the Long-term Safety of PN400 (VIMOVO)

NCT00527904
View directory record Official record
Conditions
Gastric Ulcer
Interventions
PN400 (VIMOVO), PN 400 (VIMOVO)
Drug
Lead sponsor
POZEN
Industry
Eligibility
18 Years and older
Enrollment
239 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 31, 2010 · Synced Oct 3, 2026, 2:27 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Effect of Naproxen on the Pharmacokinetic Profile of LC350189 in Healthy Adults

NCT04139824
View directory record Official record
Conditions
Gout, Hyperuricemia
Interventions
Xanthine Oxidase Inhibitor, nonsteroidal anti-inflammatory drug
Drug
Lead sponsor
LG Chem
Industry
Eligibility
18 Years to 50 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jun 26, 2020 · Synced Oct 3, 2026, 2:27 PM EDT
Terminated Phase 4 Interventional Results available

Opioid Free vs. Standard Perioperative Pain Regimen for Anterior Cervical Discectomy and Fusion (ACDF) Surgery

NCT04990804
View directory record Official record
Conditions
Opioid Use, Spinal Diseases, Surgery--Complications, Surgery, Postoperative Pain
Interventions
Opioid Analgesic, Opioid-Free Postoperative Pain Regimen
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 31, 2024 · Synced Oct 3, 2026, 2:27 PM EDT
Completed Phase 2 Interventional

Clinical Trial to Examine the Pain Relief of PH-797804 Alone Or With Naproxen in Subjects With Osteoarthritis of the Knee

NCT01102660
View directory record Official record
Conditions
Osteoarthritis
Interventions
PH-797804, Placebo, Naproxen, Naproxen + PH-797804
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 75 Years
Enrollment
172 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
26
States / cities
Paramount, California • Spring Valley, California • Valley Village, California + 20 more
Source: ClinicalTrials.gov public record
Updated Aug 22, 2014 · Synced Oct 3, 2026, 2:27 PM EDT
Completed Phase 3 Interventional Results available

Evaluating PN 400 (VIMOVO) in Reducing Gastric Ulcers Compared to Non-steroidal Antiinflammatory Drug (NSAID) Naproxen

NCT00527787
View directory record Official record
Conditions
Gastric Ulcer
Interventions
PN400 (VIMOVO), Naproxen
Drug
Lead sponsor
POZEN
Industry
Eligibility
18 Years and older
Enrollment
434 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 28, 2010 · Synced Oct 3, 2026, 2:27 PM EDT
Recruiting Phase 4 Interventional

NSAID Use for Treating Dysmenorrhea and Preventing Chronic Pelvic Pain (NSAID HEAL)

NCT06861920
View directory record Official record
Conditions
Dysmenorrhea, Chronic Pelvic Pain, Pelvic Pain
Interventions
Naproxen Sodium 550mg, Placebo, Extended Release Acetaminophen (650 mg)
Drug
Lead sponsor
Endeavor Health
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 7, 2025 · Synced Oct 3, 2026, 2:27 PM EDT
Completed Phase 1 Interventional

To Assess the Effect of Naproxcinod Versus Naproxen and Ibuprofen on Arterial Blood Pressure in Osteoarthritis Patients With Controlled Essential Hypertension

NCT00662896
View directory record Official record
Conditions
Osteoarthritis, Hypertension
Interventions
naproxcinod 375 mg bid, naproxcinod 750 mg bid, naproxen 250 mg bid, naproxen 500 mg bid, ibuprofen 600 mg tid
Drug
Lead sponsor
NicOx
Industry
Eligibility
40 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
57
States / cities
Birmingham, Alabama • Huntsville, Alabama • Sierra Vista, Arizona + 54 more
Source: ClinicalTrials.gov public record
Updated Jun 17, 2011 · Synced Oct 3, 2026, 2:27 PM EDT