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ClinicalTrials.gov public records Last synced Oct 22, 2026, 4:55 PM EDT

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Showing 193–216 of 219 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Naprosyn Clear all
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 22, 2026, 4:55 PM EDT
Not yet recruiting Phase 3 Interventional

An Artificial Intelligence Driven Approach to Optimize Patient Selection for a Transitional Pain Service

NCT07296770
View directory record Official record
Conditions
Postsurgical Pain Management, Postsurgical Pain, Chronic, Opioid Use After Surgery
Interventions
TPS-Select, Pharmacologic Pain Management, Interventional Pain Procedures, Psychological Management and Pain Education, Physical Therapy
Device · Drug · Procedure + 1 more
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
474 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 9, 2026 · Synced Oct 22, 2026, 4:55 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Study to Evaluate Efficacy and Safety of IW-6118 in Patients Undergoing Third Molar Extraction

NCT01107236
View directory record Official record
Conditions
Healthy
Interventions
IW-6118, Matching Placebo, Naproxen Sodium
Drug
Lead sponsor
Ironwood Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 30 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Aug 11, 2022 · Synced Oct 22, 2026, 4:55 PM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Post Operative Pain Management Through Adductor Canal Block With Bupivacaine for ACL Reconstruction

NCT05161221
View directory record Official record
Conditions
Pain, Postoperative, ACL
Interventions
OxyCODONE 5 mg Oral Tablet, Naproxen 500 Mg, Tylenol Pill, Liposomal bupivacaine, Femoral Nerve Catheter
Drug · Procedure
Lead sponsor
Rothman Institute Orthopaedics
Other
Eligibility
18 Years and older
Enrollment
154 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 17, 2021 · Synced Oct 22, 2026, 4:55 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Comparator Study of LT-NS001 in Healthy Subjects With Endoscopic Evaluation

NCT00750243
View directory record Official record
Conditions
Healthy
Interventions
LT-NS001, Naprosyn®
Drug
Lead sponsor
Logical Therapeutics
Industry
Eligibility
45 Years to 70 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 6, 2010 · Synced Oct 22, 2026, 4:55 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Effectiveness of Synapse Transcutaneous Electronic Nerve Stimulation (TENS) During Dental Procedures Among Children

NCT03779659
View directory record Official record
Conditions
Dental Fear, Anesthesia, Local, Pediatric Dentistry
Interventions
Synapse TENS device, Topical anesthetic gel
Device · Drug
Lead sponsor
Boston University
Other
Eligibility
6 Years to 14 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 8, 2021 · Synced Oct 22, 2026, 4:55 PM EDT
Completed Phase 3 Interventional

A Study to Evaluate a Fixed Combination of Acetaminophen/Naproxen Sodium in Acute Postoperative Pain Following Bunionectomy

NCT05868122
View directory record Official record
Conditions
Pain
Interventions
Acetaminophen/Naproxen Sodium Fixed Combination, Placebo
Drug
Lead sponsor
Johnson & Johnson Consumer Inc. (J&JCI)
Industry
Eligibility
16 Years to 65 Years
Enrollment
143 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
4
States / cities
New Providence, New Jersey • Bellaire, Texas • Houston, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Oct 22, 2026, 4:55 PM EDT
Completed Not applicable Interventional

Post-Operative Pain Control Following Shoulder Surgery

NCT04622839
View directory record Official record
Conditions
Shoulder Pain
Interventions
Tylenol and NSAIDS (Ibuprofen, diclofenac)
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 90 Years
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Columbia, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 16, 2023 · Synced Oct 22, 2026, 4:55 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Assessing the Analgesic Efficacy of Naproxen Sodium in Postsurgical Dental Pain.

NCT00720057
View directory record Official record
Conditions
Toothache
Interventions
Naproxen Sodium ER (BAYH6689), Placebo
Drug
Lead sponsor
Bayer
Industry
Eligibility
16 Years to 45 Years
Enrollment
312 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
3
States / cities
Austin, Texas • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Aug 25, 2015 · Synced Oct 22, 2026, 4:55 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 22, 2026, 4:55 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Human Experimental Models of Pain (HEMP)

NCT07549490
View directory record Official record
Conditions
Acute Pain
Interventions
Placebo, Naproxen, Pregabalin
Drug
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
18 Years to 100 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 22, 2026 · Synced Oct 22, 2026, 4:55 PM EDT
Completed Phase 4 Interventional Results available

Anterior Cruciate Ligament Pain Study

NCT02604550
View directory record Official record
Conditions
Anterior Cruciate Ligament Reconstruction
Interventions
Ropivacaine 0.5%, Percocet 7.5/325, Naprosyn 500 mg
Drug
Lead sponsor
Emory University
Other
Eligibility
Not listed
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated May 31, 2017 · Synced Oct 22, 2026, 4:55 PM EDT
Completed Phase 4 Interventional Results available

Evaluate Analgesic/Sedative Efficacy of Naproxen Sodium and Diphenhydramine

NCT01118273
View directory record Official record
Conditions
Sleep
Interventions
Naproxen Sodium 440 mg (BAYH6689) / DPH 50mg, Naproxen Sodium 440 mg (BAYH6689), Naproxen Sodium 220 mg (BAYH6689) / DPH 50mg, Naproxen Sodium 220 mg (BAYH6689), DPH 50mg, Ibuprofen 400 mg / Diphenhydramine citrate 76 mg
Drug
Lead sponsor
Bayer
Industry
Eligibility
16 Years to 45 Years
Enrollment
162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jun 8, 2015 · Synced Oct 22, 2026, 4:55 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study Evaluating the Effect of Food on the Bioavailability of PN400 Components

NCT00676442
View directory record Official record
Conditions
Arthritis
Interventions
PN400
Drug
Lead sponsor
POZEN
Industry
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Sep 5, 2008 · Synced Oct 22, 2026, 4:55 PM EDT
Completed Not applicable Interventional

Study of Flavocoxid (Limbrel) Versus Naproxen in Subjects With Moderate-Severe Osteoarthritis of the Knee

NCT00928837
View directory record Official record
Conditions
Osteoarthritis
Interventions
Flavocoxid 500 mg, Naproxen, Placebo, flavocoxid 250 mg
Dietary Supplement · Drug · Other
Lead sponsor
Primus Pharmaceuticals
Industry
Eligibility
35 Years to 85 Years
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Duncansville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 13, 2017 · Synced Oct 22, 2026, 4:55 PM 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 22, 2026, 4:55 PM EDT
Completed Phase 2 Interventional Results available

Naproxen Sodium/Acetaminophen Proof of Concept Dosing Study

NCT03879408
View directory record Official record
Conditions
Pain
Interventions
440 mg naproxen sodium with 1000 mg acetaminophen, 220 mg naproxen sodium with 650 mg acetaminophen, 10 mg hydrocodone + 650 mg acetaminophen, 440 mg naproxen sodium, Placebo tablet
Drug
Lead sponsor
Johnson & Johnson Consumer Inc., McNeil Consumer Healthcare Division
Industry
Eligibility
17 Years to 50 Years
Enrollment
290 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 5, 2022 · Synced Oct 22, 2026, 4:55 PM EDT
Completed Phase 4 Interventional Results available

Ictal and Interictal Inflammatory Markers in Migraine

NCT01138150
View directory record Official record
Conditions
Migraine
Interventions
Treximet, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 55 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 6, 2016 · Synced Oct 22, 2026, 4:55 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 22, 2026, 4:55 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Naproxen Sodium ER Pharmacokinetic Study

NCT00818415
View directory record Official record
Conditions
Pain
Interventions
Naproxen sodium ER (BAYH6689), Commercial Naproxen (Aleve, BAYH6689)
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 55 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated May 19, 2014 · Synced Oct 22, 2026, 4:55 PM EDT
Completed Phase 3 Interventional Results available

Long-term Observational Study of Subjects From Tanezumab Studies Who Undergo a Total Knee, Hip or Shoulder Replacement

NCT02674386
View directory record Official record
Conditions
Osteoarthritis
Interventions
Investigational Medical Product (IMP) administered in parent study
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
51
States / cities
Birmingham, Alabama • Tucson, Arizona • Little Rock, Arkansas + 36 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2020 · Synced Oct 22, 2026, 4:55 PM EDT
Completed Phase 4 Interventional

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

NCT00638807
View directory record Official record
Conditions
Osteoarthritis, Knee
Interventions
Celecoxib, Placebo
Drug · Other
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
40 Years and older
Enrollment
388 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
33
States / cities
Birmingham, Alabama • Buena Park, California • Denver, Colorado + 28 more
Source: ClinicalTrials.gov public record
Updated Feb 2, 2021 · Synced Oct 22, 2026, 4:55 PM EDT
Completed Phase 2 Interventional

A Long-Term Safety Study of IDEA-033 in Comparison to Oral Naproxen for the Treatment of Osteoarthritis of the Knee

NCT00265304
View directory record Official record
Conditions
Osteoarthritis, Knee
Interventions
Ketoprofen
Drug
Lead sponsor
IDEA AG
Industry
Eligibility
18 Years and older
Enrollment
550 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2005
U.S. locations
93
States / cities
Birmingham, Alabama • Montgomery, Alabama • Northport, Alabama + 77 more
Source: ClinicalTrials.gov public record
Updated Mar 20, 2009 · Synced Oct 22, 2026, 4:55 PM EDT
Completed Phase 3 Interventional Results available

A Study of Combination Product (Sumatriptan Succinate and Naproxen Sodium) in Migraine Subjects Who Report Poor Response or Intolerance to Short Acting Triptans (Study 2 of 2)

NCT00382993
View directory record Official record
Conditions
Migraine Disorders
Interventions
Placebo, Combination Product (sumatriptan succinate/naproxen sodium)
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 65 Years
Enrollment
169 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
28
States / cities
Jasper, Alabama • Oceanside, California • San Francisco, California + 25 more
Source: ClinicalTrials.gov public record
Updated Feb 2, 2017 · Synced Oct 22, 2026, 4:55 PM EDT