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ClinicalTrials.gov public records Last synced Oct 24, 2026, 2:43 AM EDT

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Showing 1–24 of 96 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: oral naproxen Clear all
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 24, 2026, 2:43 AM EDT
Completed Phase 4 Interventional Results available

A Study to Assess Menstrual Cramp Pain Associated With Primary Dysmenorrhea

NCT03448536
View directory record Official record
Conditions
Dysmenorrhea
Interventions
Naproxen Sodium, (Aleve, BAY117031), Acetaminophen (Tylenol Extra Strength)
Drug
Lead sponsor
Bayer
Industry
Eligibility
15 Years to 35 Years · Female only
Enrollment
201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
8
States / cities
Chandler, Arizona • Scottsdale, Arizona • Pinellas Park, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Oct 28, 2019 · Synced Oct 24, 2026, 2:43 AM EDT
Terminated Phase 2 Interventional Results available

A Study Of The Safety And Efficacy Of PF-04191834 In Patients With Osteoarthritis Of The Knee

NCT01147458
View directory record Official record
Conditions
Osteoarthritis, Knee
Interventions
PF-04191834, PF-04191834 placebo, Naproxen placebo, Naproxen
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 75 Years
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
25
States / cities
Peoria, Arizona • Phoenix, Arizona • Anaheim, California + 20 more
Source: ClinicalTrials.gov public record
Updated Jun 6, 2013 · Synced Oct 24, 2026, 2:43 AM EDT
Completed Phase 4 Interventional Results available

MAST Trial: Multi-modal Analgesic Strategies in Trauma

NCT03472469
View directory record Official record
Conditions
Nonspecific Pain Post Traumatic Injury
Interventions
Acetaminophen IV/PO, Acetaminophen PO, Ketorolac, Celebrex, Naproxen, Tramadol, Pregabalin, Gabapentin, Lidocaine, Opioids, Regional anesthesia
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
16 Years and older
Enrollment
1,561 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 18, 2021 · Synced Oct 24, 2026, 2:43 AM EDT
Completed Phase 4 Interventional Results available

Effect of L-dopa In Subacute Back Pain Population

NCT01951105
View directory record Official record
Conditions
Sub-acute Back Pain
Interventions
Naproxen, Carbidopa/Levodopa, Placebo
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 24, 2021 · Synced Oct 24, 2026, 2:43 AM EDT
Completed Phase 4 Interventional Results available

A Safety Study of VIMOVO in Adolescents With Juvenile Idiopathic Arthritis (JIA)

NCT01544114
View directory record Official record
Conditions
Juvenile Idiopathic Arthritis (JIA)
Interventions
VIMOVO 250/20, VIMOVO 375/20, VIMOVO 500/20
Drug
Lead sponsor
Amgen
Industry
Eligibility
12 Years to 16 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
17
States / cities
Little Rock, Arkansas • San Francisco, California • Aurora, Colorado + 14 more
Source: ClinicalTrials.gov public record
Updated Dec 17, 2024 · Synced Oct 24, 2026, 2:43 AM EDT
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 24, 2026, 2:43 AM EDT
Completed Phase 3 Interventional Results available

Evaluate Analgesic/Sedative Efficacy of Naproxen Sodium and Diphenhydramine in Patients With Postsurgical Dental Pain

NCT01280591
View directory record Official record
Conditions
Pain, Postoperative
Interventions
Naproxen sodium 440 mg / DPH 50 mg (BAY98-7111), Naproxen sodium 220 mg / DPH 50 mg (BAY98-7111), Naproxen sodium 440 mg (BAYH6689), DPH 50 mg
Drug
Lead sponsor
Bayer
Industry
Eligibility
12 Years to 45 Years
Enrollment
712 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
2
States / cities
Austin, Texas • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jun 8, 2015 · Synced Oct 24, 2026, 2:43 AM EDT
Completed Phase 3 Interventional

Dental Pain (Following Third Molar Tooth Extraction) Study

NCT00114049
View directory record Official record
Conditions
Dental Pain, Surgery, Dental
Interventions
GW406381
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jan 19, 2017 · Synced Oct 24, 2026, 2:43 AM EDT
Recruiting Phase 4 Interventional

Duloxetine for LBP

NCT05851976
View directory record Official record
Conditions
Back Pain, Low
Interventions
Naproxen, Duloxetine
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years to 64 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Dec 2, 2025 · Synced Oct 24, 2026, 2:43 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of Acetaminophen/Naproxen Sodium Fixed Combination Tablets in Adolescents 12 to <17 Years of Age With Pain

NCT05844995
View directory record Official record
Conditions
Orthodontic Pain
Interventions
Acetaminophen/Naproxen Sodium
Drug
Lead sponsor
Johnson & Johnson Consumer Inc. (J&JCI)
Industry
Eligibility
12 Years to 16 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 15, 2024 · Synced Oct 24, 2026, 2:43 AM EDT
Completed Phase 2 Interventional

A Study To Investigate Whether PF-04457845 Is Effective In Treating Pain, Is Safe And Tolerable In Patients With Osteoarthritis Of The Knee

NCT00981357
View directory record Official record
Conditions
Osteoarthritis, Knee
Interventions
PF-04457845, Naproxen
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 75 Years
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
5
States / cities
Miami, Florida • Overland Park, Kansas • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Sep 19, 2017 · Synced Oct 24, 2026, 2:43 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Actual Use Trial of Naproxen Sodium

NCT01427803
View directory record Official record
Conditions
Pain
Interventions
Naproxen Sodium ER (BAYH6689)
Drug
Lead sponsor
Bayer
Industry
Eligibility
12 Years and older
Enrollment
778 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
34
States / cities
Hoover, Alabama • McCalla, Alabama • Pinson, Alabama + 29 more
Source: ClinicalTrials.gov public record
Updated Oct 15, 2015 · Synced Oct 24, 2026, 2:43 AM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Phenotyping Acute Pain for Discovery Research and Directed Therapeutics

NCT02322996
View directory record Official record
Conditions
Post op Pain
Interventions
questionnaires
Other
Lead sponsor
East Carolina University
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Greenville, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 23, 2018 · Synced Oct 24, 2026, 2:43 AM EDT
Active, not recruiting Phase 2 Interventional

Project 1 Aim 2, Adaptations of the Brain in Chronic Pain With Opioid Exposure

NCT05463367
View directory record Official record
Conditions
Opioid Use, Opioid Dependence, Opioid-use Disorder, Narcotic Use, Back Pain, Back Injuries, Chronic Pain, Chronic Low-back Pain, Pain, Chronic, Pain;Back Low;Chronic, Pain, Back
Interventions
Carbidopa-Levodopa 25 Mg-100 Mg Oral Tablet, Naproxen 500 Mg, Opioids
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 27, 2024 · Synced Oct 24, 2026, 2:43 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Diazepam Use With Standard Management for Acute Low Back Pain

NCT02646124
View directory record Official record
Conditions
Low Back Pain
Interventions
Naproxen, Placebo, Diazepam
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
21 Years to 69 Years
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Aug 1, 2018 · Synced Oct 24, 2026, 2:43 AM EDT
Completed Phase 2 Interventional Results available

A Study to Evaluate the Analgesic Efficacy and Safety of V120083 in Subjects With Osteoarthritis (OA) of the Knee

NCT03028870
View directory record Official record
Conditions
Osteo Arthritis Knee
Interventions
V120083, Naproxen, Placebo
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
40 Years to 80 Years
Enrollment
291 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
30
States / cities
Birmingham, Alabama • Tuscumbia, Alabama • North Hollywood, California + 24 more
Source: ClinicalTrials.gov public record
Updated Feb 12, 2019 · Synced Oct 24, 2026, 2:43 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety Trial of Naproxen Sodium/ Diphenhydramine

NCT01365052
View directory record Official record
Conditions
Pain
Interventions
Naproxen sodium 440 mg/DPH 50 mg (BAY98-7111), Placebo
Drug
Lead sponsor
Bayer
Industry
Eligibility
12 Years and older
Enrollment
326 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
19
States / cities
Chandler, Arizona • Mesa, Arizona • Peoria, Arizona + 16 more
Source: ClinicalTrials.gov public record
Updated Jun 8, 2015 · Synced Oct 24, 2026, 2:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Naproxen for Pain Control With Intrauterine Device Insertion

NCT02388191
View directory record Official record
Conditions
Contraception
Interventions
Naproxen sodium, Placebo tablet
Drug · Other
Lead sponsor
Planned Parenthood League of Massachusetts
Other
Eligibility
18 Years and older · Female only
Enrollment
119 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 22, 2017 · Synced Oct 24, 2026, 2:43 AM EDT
Completed Phase 4 Interventional

Efficacy and Safety of Celecoxib Versus Placebo in the Treatment of Patients With Osteoarthritis of the Knee Who Were Unresponsive to Naproxen and Ibuprofen

NCT00640627
View directory record Official record
Conditions
Osteoarthritis, Knee
Interventions
Celecoxib, Placebo
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
40 Years and older
Enrollment
380 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
30
States / cities
Phoenix, Arizona • Tucson, Arizona • Long Beach, California + 27 more
Source: ClinicalTrials.gov public record
Updated Feb 2, 2021 · Synced Oct 24, 2026, 2:43 AM 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 24, 2026, 2:43 AM EDT
Completed Phase 2 Interventional

An Effectiveness and Safety Study of IDEA-033 in Comparison to Oral Naproxen and Placebo for the Treatment of Osteoarthritis of the Knee

NCT00211549
View directory record Official record
Conditions
Osteoarthritis, Knee
Interventions
IDEA-033
Drug
Lead sponsor
IDEA AG
Industry
Eligibility
18 Years and older
Enrollment
875 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2005
U.S. locations
100
States / cities
Birmingham, Alabama • Montgomery, Alabama • Northport, Alabama + 86 more
Source: ClinicalTrials.gov public record
Updated Mar 20, 2009 · Synced Oct 24, 2026, 2:43 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Evaluate Analgesic / Sedative Efficacy of Naproxen Sodium and Diphenhydramine in Patients With Postsurgical Dental Pain

NCT01495858
View directory record Official record
Conditions
Pain, Postoperative
Interventions
Naproxen Sodium 440 mg / DPH 25 mg (BAY98-7111), Naproxen Sodium 440 mg (BAYH6689), DPH 50 mg
Drug
Lead sponsor
Bayer
Industry
Eligibility
12 Years and older
Enrollment
267 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
2
States / cities
Austin, Texas • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jun 8, 2015 · Synced Oct 24, 2026, 2:43 AM EDT
Completed Phase 3 Interventional Results available

The Use of Methylsulfonylmethane (MSM) in the Treatment of Low Back Pain

NCT02268305
View directory record Official record
Conditions
Low Back Pain
Interventions
MSM 1000mg twice a day (6000 mgs), Placebo capsules twice a day
Drug · Other
Lead sponsor
Mike O'Callaghan Military Hospital
Federal
Eligibility
18 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Nellis Air Force Base, Nevada
Source: ClinicalTrials.gov public record
Updated Apr 5, 2024 · Synced Oct 24, 2026, 2:43 AM EDT