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Showing 1–24 of 95 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: oral naproxen Clear all
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 7, 2015 · Synced Sep 7, 2026, 5:44 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study to Learn How Well a Single Dose of the Study Treatment Naproxen Sodium and Caffeine Combined in One Tablet (Fixed-dose Combination) Works to Relieve Pain After Dental Surgeries Compared to the Single Ingredients and to Placebo

NCT05485805
View directory record Official record
Conditions
Postoperative Dental Pain
Interventions
Naproxen sodium and caffeine (BAY2880376), Naproxen sodium (Aleve), Caffeine, Placebo
Drug
Lead sponsor
Bayer
Industry
Eligibility
16 Years and older
Enrollment
541 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 24, 2025 · Synced Sep 7, 2026, 5:44 PM EDT
Completed Phase 4 Interventional Results available

Medical Therapy Versus Radiofrequency Endometrial Ablation in the Initial Treatment of Menorrhagia

NCT01165307
View directory record Official record
Conditions
Menorrhagia
Interventions
Estradiol 30mcg / Levonorgestrel 150mcg monophasic oral contraceptive pills, Naproxen sodium pills, NovaSure® Radiofrequency Endometrial Ablation
Drug · Device
Lead sponsor
Abimbola Famuyide
Other
Eligibility
30 Years to 55 Years · Female only
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 19, 2017 · Synced Sep 7, 2026, 5:44 PM EDT
Completed Phase 4 Interventional Results available

Are Opioids Needed After ACL Reconstruction

NCT04285853
View directory record Official record
Conditions
Anterior Cruciate Ligament Rupture
Interventions
Oxycodone, Placebo oral tablet
Drug
Lead sponsor
Emory University
Other
Eligibility
14 Years to 40 Years
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
3
States / cities
Atlanta, Georgia • Tucker, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 10, 2023 · Synced Sep 7, 2026, 5:44 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Ibuprofen Inhibits Human Sweet Taste

NCT06291337
View directory record Official record
Conditions
Treatment of Sweet Taste Receptors Without or With an Oral Rinse of Ibuprofen Solution in Healthy Participants, Treatment of Sweet Taste Receptors Without or With an Oral Rinse of Naproxen Solution in Healthy Participants
Interventions
Inhibition of Sweet Taste by Ibuprofen Oral Rinses, Inhibition of Sweet Taste by Naproxen Oral Rinses
Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 70 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Mar 3, 2024 · Synced Sep 7, 2026, 5:44 PM EDT
Completed Phase 2 Interventional Results available

A Pilot Study Assessing the Treatment Responsiveness of a Novel Osteoarthritis Stiffness Scale

NCT03570554
View directory record Official record
Conditions
Osteoarthritis, Knee
Interventions
Naproxen Sodium (Aleve, BAY117031), Acetaminophen ER, Celecoxib, Placebo
Drug
Lead sponsor
Bayer
Industry
Eligibility
40 Years to 80 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
5
States / cities
Chandler, Arizona • Pinellas Park, Florida • Chicago, Illinois + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 18, 2020 · Synced Sep 7, 2026, 5:44 PM 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 14, 2015 · Synced Sep 7, 2026, 5:44 PM 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 12, 2023 · Synced Sep 7, 2026, 5:44 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Evaluate Efficacy and Safety of Extended Release (ER) Naproxen Sodium

NCT01389284
View directory record Official record
Conditions
Pain, Postoperative
Interventions
Naproxen Sodium ER (BAYH6689), Naproxen Sodium IR (Aleve, BAYH6689), Naproxen Sodium ER Placebo, Naproxen Sodium IR Placebo
Drug
Lead sponsor
Bayer
Industry
Eligibility
15 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Aug 24, 2015 · Synced Sep 7, 2026, 5:44 PM 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 1, 2025 · Synced Sep 7, 2026, 5:44 PM EDT
Completed Phase 4 Interventional Results available

CGRP, Estrogen, Cortisol, VIP, α-Amylase, PGE2, PGI2 and ß-Endorphin Levels in Menstrual Migraine Before and After Treximet

NCT01329562
View directory record Official record
Conditions
Menstrual Migraine
Interventions
Treximet, Placebo
Drug
Lead sponsor
Cady, Roger, M.D.
Individual
Eligibility
18 Years to 45 Years · Female only
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
2
States / cities
Springfield, Missouri • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 8, 2014 · Synced Sep 7, 2026, 5:44 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study Evaluating the Bioavailability of Naproxen 500 mg in Three Formulations

NCT00665743
View directory record Official record
Conditions
Arthritis
Interventions
PN400, naproxen
Drug
Lead sponsor
POZEN
Industry
Eligibility
18 Years to 55 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jun 9, 2008 · Synced Sep 7, 2026, 5:44 PM 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 27, 2019 · Synced Sep 7, 2026, 5:44 PM EDT
Completed Phase 3 Interventional

Meloxicam [Mobic] in Juvenile Rheumatoid Arthritis (JRA)

NCT00034853
View directory record Official record
Conditions
Arthritis, Juvenile Rheumatoid
Interventions
meloxicam oral suspension, naproxen oral suspension
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
2 Years to 17 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2000
U.S. locations
29
States / cities
Little Rock, Arkansas • Madera, California • San Diego, California + 25 more
Source: ClinicalTrials.gov public record
Updated Oct 31, 2013 · Synced Sep 7, 2026, 5:44 PM EDT
Completed Phase 2 Interventional Results available

A Study to Evaluate the Efficacy and Safety of Gefapixant (MK-7264) in Women With Endometriosis-Related Pain (MK-7264-034)

NCT03654326
View directory record Official record
Conditions
Endometriosis-related Pain
Interventions
Gefapixant, Placebo, Naproxen
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 49 Years · Female only
Enrollment
187 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
30
States / cities
Birmingham, Alabama • Chandler, Arizona • Scottsdale, Arizona + 25 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2024 · Synced Sep 7, 2026, 5:44 PM 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 17, 2021 · Synced Sep 7, 2026, 5:44 PM EDT
Completed Phase 2 Interventional Results available

NOLAN: Naproxen or Loratadine and Neulasta

NCT01712009
View directory record Official record
Conditions
Bone Pain in Stage I - III Breast Cancer
Interventions
Naproxen, Loratadine, Pegfilgrastim, Chemotherapy
Drug · Biological
Lead sponsor
Amgen
Industry
Eligibility
18 Years to 100 Years · Female only
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
83
States / cities
Muscle Shoals, Alabama • Anaheim, California • Fullerton, California + 78 more
Source: ClinicalTrials.gov public record
Updated Jan 29, 2018 · Synced Sep 7, 2026, 5:44 PM EDT
Completed Phase 4 Interventional Results available

Study to Collect Information on How Well the Study Drug Naproxen Sodium Tablets Works Compared to Hydrocodone/Acetaminophen Tablets in Order to Relieve Pain in Participants Experiencing Moderate to Severe Pain After Having Their Wisdom Teeth Removed

NCT04307940
View directory record Official record
Conditions
Pain
Interventions
Naproxen Sodium (Aleve, BAY117031), Hydrocodone/Acetaminophen, Placebo
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 40 Years
Enrollment
221 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jul 13, 2022 · Synced Sep 7, 2026, 5:44 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 6, 2025 · Synced Sep 7, 2026, 5:44 PM EDT
Terminated Phase 3 Interventional Results available

Long-Term Analgesic Efficacy And Safety Of Tanezumab Alone Or In Combination With Non-Steroidal Anti-Inflammatory Drugs (NSAIDs) Versus NSAIDs Alone In Patients With Osteoarthritis Of The Knee Or Hip

NCT00809354
View directory record Official record
Conditions
Osteoarthritis, Arthritis
Interventions
NSAID, tanezumab
Drug · Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 99 Years
Enrollment
2,720 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
250
States / cities
Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 161 more
Source: ClinicalTrials.gov public record
Updated Jun 23, 2021 · Synced Sep 7, 2026, 5:44 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Oral Bioequivalence Study of PL 3100 and Naproxen in Healthy Adults

NCT00966641
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Naproxen, PL 3100
Drug
Lead sponsor
PLx Pharma
Industry
Eligibility
18 Years to 75 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 6, 2015 · Synced Sep 7, 2026, 5:44 PM EDT
Completed Phase 4 Interventional Results available

Treximet in the Treatment of Chronic Migraine

NCT01090050
View directory record Official record
Conditions
Chronic Migraine
Interventions
Sumatriptan/Naproxen Sodium, Naproxen Sodium
Drug
Lead sponsor
Cady, Roger, M.D.
Individual
Eligibility
18 Years to 65 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
2
States / cities
Springfield, Missouri • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jul 2, 2013 · Synced Sep 7, 2026, 5:44 PM EDT
Completed Phase 2 Interventional Results available

To Determine the Safety, Tolerability, Pharmacokinetics and Effect on Pain of a Single Intra-articular Administration of Canakinumab in Patients With Osteoarthritis in the Knee

NCT01160822
View directory record Official record
Conditions
Osteoarthritis
Interventions
Canakinumab, Placebo to canakinumab, Naproxen, Placebo to Naproxen
Biological · Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
40 Years to 80 Years
Enrollment
169 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
8
States / cities
Anniston, Alabama • Mesa, Arizona • San Diego, California + 5 more
Source: ClinicalTrials.gov public record
Updated Oct 29, 2012 · Synced Sep 7, 2026, 5:44 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Pharmacokinetic (PK) Study Evaluating Naproxen and Esomeprazole Plasma Levels

NCT00749385
View directory record Official record
Conditions
Arthritis
Interventions
PN 400, EC naproxen plus EC esomeprazole, EC naproxen, EC esomeprazole
Drug
Lead sponsor
POZEN
Industry
Eligibility
18 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Dec 22, 2008 · Synced Sep 7, 2026, 5:44 PM EDT