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ClinicalTrials.gov public records Last synced Oct 22, 2026, 4:10 AM EDT

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Showing 145–168 of 219 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Naprosyn Clear all
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, 4:10 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Self Selection Trial of Naproxen Sodium

NCT01383486
View directory record Official record
Conditions
Pain
Interventions
Naproxen sodium ER (BAYH6689), Advil
Drug
Lead sponsor
Bayer
Industry
Eligibility
12 Years and older
Enrollment
253 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
10
States / cities
Anaheim, California • Yorba Linda, California • Pembroke Pines, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Oct 15, 2015 · Synced Oct 22, 2026, 4:10 AM 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, 4:10 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Pharmacokinetic Trial of Naproxen Sodium and Diphenhydramine Hydrochloride Soft Capsules Versus Naproxen Sodium and Diphenhydramine Hydrochloride Tablets in Healthy Adult Subjects

NCT03396250
View directory record Official record
Conditions
Pain
Interventions
Naproxen sodium and diphenhydramine hydrochloride soft capsules, Naproxen sodium and diphenhydramine hydrochloride coated tablets (Aleve, PMBAY98-7111)
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 55 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Mar 20, 2019 · Synced Oct 22, 2026, 4:10 AM 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 21, 2026 · Synced Oct 22, 2026, 4:10 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

Variability in Response to Non-steroidal Anti-inflammatory Drugs

NCT02502006
View directory record Official record
Conditions
Healthy
Interventions
Celecoxib, Naproxen, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 13, 2023 · Synced Oct 22, 2026, 4:10 AM EDT
Terminated Phase 3 Interventional Results available

Symptomatic Management of Lyme Arthritis

NCT04038346
View directory record Official record
Conditions
Lyme Arthritis, Lyme Disease, Arthritis
Interventions
Naproxen, Acetaminophen
Drug
Lead sponsor
Desiree Neville, MD
Other
Eligibility
3 Years to 17 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 17, 2025 · Synced Oct 22, 2026, 4:10 AM EDT
Completed Phase 2 Interventional

Elderly Back Pain: Comparing Chiropractic to Medical Care

NCT00602901
View directory record Official record
Conditions
Subacute Low Back Pain, Chronic Low Back Pain
Interventions
HVLA-SM, LVVA-SM, Usual medical care
Other · Drug
Lead sponsor
Palmer College of Chiropractic
Other
Eligibility
55 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
2
States / cities
Davenport, Iowa • Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Apr 6, 2017 · Synced Oct 22, 2026, 4:10 AM EDT
Completed Phase 4 Interventional Results available

A Study to Determine the Effect of Sumatriptan and Naproxen Sodium Combination Tablet, Sumatriptan Tablet, and Naproxen Sodium Tablet on Blood Pressure When Treating Migraine Headaches That Occur During a 6-month Period

NCT00792636
View directory record Official record
Conditions
Migraine Disorders
Interventions
sumatriptan and naproxen sodium combination tablet, sumatriptan tablet, naproxen sodium tablet
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 65 Years
Enrollment
407 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
49
States / cities
Chandler, Arizona • Gilbert, Arizona • Litchfield Park, Arizona + 43 more
Source: ClinicalTrials.gov public record
Updated Nov 23, 2016 · Synced Oct 22, 2026, 4:10 AM 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, 4:10 AM 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, 4:10 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Study to Investigate the Analgesic Efficacy of a Single Dose of AZD1386

NCT00672646
View directory record Official record
Conditions
Pain
Interventions
AZD1386, Naproxen, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 45 Years
Enrollment
103 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jun 8, 2012 · Synced Oct 22, 2026, 4:10 AM EDT
Completed Phase 4 Interventional Results available

Does Treximet Improve Productivity and Patient Satisfaction Due to Sustained Response and Consistency of Response?

NCT01086358
View directory record Official record
Conditions
Workplace Migraine Treatment
Interventions
Triptan, Treximet 85Mg-500Mg Tablet
Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2016
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated May 1, 2018 · Synced Oct 22, 2026, 4:10 AM EDT
Completed Not applicable Interventional Results available

Pharmacogenetic-guided Choice of Post-surgery Analgesics

NCT05548660
View directory record Official record
Conditions
Acute Pain, Post Operative Pain
Interventions
Pharmacogenetic testing, Pharmacist note with genotype-guided analgesic recommendations, Pharmacist detailed note with genotype-guided recommendations per CPIC guidelines
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older · Female only
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 1, 2026 · Synced Oct 22, 2026, 4:10 AM EDT
Completed Phase 2 Interventional

A Study of ABT-652 in Adults With Osteoarthritis Pain of the Knee

NCT01207115
View directory record Official record
Conditions
Osteoarthritis of the Knee
Interventions
ABT-652, Placebo, Naproxen
Drug
Lead sponsor
AbbVie (prior sponsor, Abbott)
Industry
Eligibility
40 Years to 75 Years
Enrollment
322 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
23
States / cities
Chandler, Arizona • Tempe, Arizona • Tucson, Arizona + 20 more
Source: ClinicalTrials.gov public record
Updated Jan 7, 2013 · Synced Oct 22, 2026, 4:10 AM EDT
Recruiting Phase 2 Interventional

A Phase IIa Randomized, Double-Blinded Clinical Trial of Naproxen or Aspirin for Cancer Immune Interception in Lynch Syndrome

NCT05411718
View directory record Official record
Conditions
T Cells, Colorectal Cancer, Lynch Syndrome
Interventions
Naproxen, Aspirin
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Oct 22, 2026, 4:10 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Mechanistic Characterization of Uterine Pain

NCT04145518
View directory record Official record
Conditions
Dysmenorrhea (Disorder), Dysmenorrhea Primary, Dysmenorrhea Secondary, Endometrial Diseases, Leiomyoma, Fibroid Uterus
Interventions
Naproxen Sodium, Placebo
Drug
Lead sponsor
Endeavor Health
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
183 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
1
States / cities
Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Oct 22, 2026, 4:10 AM 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, 4:10 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Efficacy of Sumatriptan With Naprosyn in Migraine With Aura

NCT00893594
View directory record Official record
Conditions
Migraine With Aura
Interventions
sumatriptan with naprosyn, placebo
Drug
Lead sponsor
Dent Neurologic Institute
Other
Eligibility
18 Years to 50 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
Amherst, New York
Source: ClinicalTrials.gov public record
Updated Feb 19, 2015 · Synced Oct 22, 2026, 4:10 AM EDT
Completed Phase 4 Interventional Results available

OTC Naproxen and Acetaminophen Anti-Inflammatory Action in Dental Implant Patients

NCT04694300
View directory record Official record
Conditions
Osseointegrated Dental Implantation, Pain, Acute
Interventions
Naproxen, Acetaminophen, Tramadol
Drug
Lead sponsor
Hersh, Elliot V., DMD, MS, PhD
Individual
Eligibility
18 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 16, 2024 · Synced Oct 22, 2026, 4:10 AM EDT
Completed Phase 3 Interventional Results available

Tanezumab In Osteoarthritis Of The Knee (2)

NCT00830063
View directory record Official record
Conditions
Arthritis, Osteoarthritis
Interventions
tanezumab 10 mg, tanezumab 5 mg, naproxen, placebo
Biological · Drug · Other
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
832 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
94
States / cities
Anniston, Alabama • Mesa, Arizona • Paradise Valley, Arizona + 72 more
Source: ClinicalTrials.gov public record
Updated May 13, 2021 · Synced Oct 22, 2026, 4:10 AM 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 22, 2026, 4:10 AM EDT
Completed Phase 1 Interventional

A Study to Assess the Effects of Naproxcinod and Naproxen on Blood Pressure Measurements in Osteoarthritis Patients With Controlled High Blood Pressure

NCT00662610
View directory record Official record
Conditions
Osteoarthritis, Hypertension
Interventions
naproxcinod 375 mg -750 mg -1125 mg bid, naproxen 250 mg - 500mg -750 mg bid
Drug
Lead sponsor
NicOx
Industry
Eligibility
40 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
29
States / cities
Mobile, Alabama • Tempe, Arizona • Tucson, Arizona + 26 more
Source: ClinicalTrials.gov public record
Updated Jun 17, 2011 · Synced Oct 22, 2026, 4:10 AM EDT
Completed Phase 3 Interventional Results available

Migraine Study in Adolescent Patients

NCT00843024
View directory record Official record
Conditions
Migraine Disorders
Interventions
Sumatriptan and Naproxen Sodium, Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
12 Years to 17 Years
Enrollment
589 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
79
States / cities
Gilbert, Arizona • Litchfield Park, Arizona • Phoenix, Arizona + 71 more
Source: ClinicalTrials.gov public record
Updated Jan 18, 2017 · Synced Oct 22, 2026, 4:10 AM EDT