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Showing 1–24 of 41 matching trials from the live ClinicalTrials.gov search.
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Recruiting Phase 4 Interventional

Comparing Analgesic Regimen Effectiveness and Safety for Surgery (CARES) Trial

NCT05722002
View directory record Official record
Conditions
Surgery, Pain, Postoperative
Interventions
NSAID, Opioid, Acetaminophen
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
6
States / cities
Ann Arbor, Michigan • Detroit, Michigan • St Louis, Missouri + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Sep 22, 2026, 2:42 PM EDT
Completed Phase 4 Interventional Results available

A Trial to Compare the Duration of Analgesic Efficacy and Safety of Naproxen Sodium Tablets and Ibuprofen Tablets in Postsurgical Dental Pain

NCT03404206
View directory record Official record
Conditions
Pain, Postoperative
Interventions
Naproxen Sodium (Aleve, BAY117031), Ibuprofen (Advil), Placebo
Drug
Lead sponsor
Bayer
Industry
Eligibility
16 Years to 40 Years
Enrollment
387 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jul 17, 2019 · Synced Sep 22, 2026, 2:42 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 22, 2026, 2:42 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 1, 2021 · Synced Sep 22, 2026, 2:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Mechanisms of Action of Acetaminophen

NCT00646906
View directory record Official record
Conditions
Myocardial Infarction, Arthritis
Interventions
Aspirin First, Aspirin Last, Acetaminophen 1000 mg/d, Acetaminophen 4000 mg/d, Ibuprofen 800 mg/d
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 55 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2012
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 11, 2026 · Synced Sep 22, 2026, 2:42 PM EDT
Completed Phase 2 Interventional

Analgesic Efficacy and Safety of ADL5859 in Subjects With Acute Dental Pain After Third Molar Extraction

NCT00993863
View directory record Official record
Conditions
Acute Pain
Interventions
Placebo, ADL5859 30 mg, ADL5859 100 mg, ADL5859 200 mg, ibuprofen 400 mg
Drug
Lead sponsor
Cubist Pharmaceuticals LLC, a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)
Industry
Eligibility
18 Years to 50 Years
Enrollment
201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2007
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jul 16, 2015 · Synced Sep 22, 2026, 2:42 PM EDT
Completed Phase 2 Interventional Results available

Efficacy Of PF-05089771 In Treating Postoperative Dental Pain

NCT01529346
View directory record Official record
Conditions
Postoperative Dental Pain
Interventions
PF-05089771, Placebo, Ibuprofen
Drug · Other
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
235 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
3
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated May 31, 2018 · Synced Sep 22, 2026, 2:42 PM EDT
Completed Phase 2 Interventional

Study of Acetaminophen (ACE) in Post-operative Dental Pain

NCT02320708
View directory record Official record
Conditions
Dental Pain
Interventions
Acetaminophen (ACE) (1000 mg), Commercial ACE (1000 mg), Commercial Ibuprofen (IBU) (400 mg), Placebo
Drug
Lead sponsor
Johnson & Johnson Healthcare Products Division of McNEIL-PPC, Inc.
Industry
Eligibility
17 Years to 50 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 2, 2021 · Synced Sep 22, 2026, 2:42 PM EDT
Completed Phase 3 Interventional Results available

Ibuprofen/Acetaminophen Versus Nurofen Plus® and Panadeine® Extra Dental Pain Study

NCT01229449
View directory record Official record
Conditions
Post-operative Pain
Interventions
Ibuprofen/acetaminophen, Ibuprofen/acetaminophen (higher dose), Nurofen Plus®, Panadeine® Extra, Placebo
Drug
Lead sponsor
Reckitt Benckiser LLC
Industry
Eligibility
16 Years and older
Enrollment
678 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Sep 16, 2018 · Synced Sep 22, 2026, 2:42 PM EDT
Completed Phase 3 Interventional

Ibuprofen Liquid Capsules 2 x 200 mg Efficacy and PK/PD Study in Surgical Removal of Impacted Third Molars

NCT05484401
View directory record Official record
Conditions
Tooth, Impacted, Tooth Diseases, Stomatognathic Diseases
Interventions
Ibuprofen 200Mg Oral Cap, Ibuprofen 200Mg Oral Tablet, Placebo Liquid Capsule, Placebo Tablets
Drug · Other
Lead sponsor
Reckitt Benckiser Healthcare (UK) Limited
Industry
Eligibility
16 Years to 55 Years
Enrollment
294 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jun 21, 2023 · Synced Sep 22, 2026, 2:42 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 7, 2015 · Synced Sep 22, 2026, 2:42 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Bioequivalence Study of Advil PM Liqui-Gels Minis (Ibuprofen/Diphenhydramine Hydrochloride 200 mg/25 mg) Compared to the Current Marketed Advil PM Liqui-Gels (Ibuprofen/Diphenhydramine Hydrochloride 200 mg/25 mg) in Healthy Adult Subjects Under Fasted Conditions

NCT05674721
View directory record Official record
Conditions
Pain
Interventions
Advil PM Liqui-Gels Minis, Advil PM Liqui-Gels
Drug
Lead sponsor
HALEON
Industry
Eligibility
18 Years to 55 Years
Enrollment
77 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 22, 2024 · Synced Sep 22, 2026, 2:42 PM EDT
Completed Phase 2 Interventional Results available

Evaluation of the Efficacy of Novel Ibuprofen Acetaminophen Combination Formulations in the Treatment of Post-surgical Dental Pain

NCT01559259
View directory record Official record
Conditions
Pain
Interventions
Ibuprofen/acetaminophen, Ibuprofen, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
16 Years to 40 Years
Enrollment
394 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated May 18, 2020 · Synced Sep 22, 2026, 2:42 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Comparison of Small Bowel Lesions Associated With Celecoxib Versus Ibuprofen Plus Omeprazole

NCT00640809
View directory record Official record
Conditions
Bowel Diseases, Inflammatory
Interventions
Celecoxib, Placebo, Ibuprofen plus Omeprazole
Drug · Other
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
408 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2004
U.S. locations
12
States / cities
Scottsdale, Arizona • La Jolla, California • Los Angeles, California + 8 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2021 · Synced Sep 22, 2026, 2:42 PM EDT
Recruiting Phase 4 Interventional

Meloxicam in Mohs Micrographic Surgery

NCT07200544
View directory record Official record
Conditions
Postoperative Pain, Acute, Skin Cancer
Interventions
Meloxicam 7.5 mg, Meloxicam 15 mg, Acetaminophen 500mg
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 110 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Dec 14, 2025 · Synced Sep 22, 2026, 2:42 PM EDT
Completed Not applicable Interventional

TENS Unit To Decrease Pain After Laminaria Insertion

NCT06529003
View directory record Official record
Conditions
Second Trimester Abortion
Interventions
Transcutaneous Electrical Nerve Stimulation (TENS) unit, Placebo
Device
Lead sponsor
Queen's Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Sep 22, 2026, 2:42 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Study of Ibuprofen Effects on Brain Function

NCT02507219
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Ibuprofen
Drug
Lead sponsor
Laureate Institute for Brain Research, Inc.
Other
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Tulsa, Oklahoma
Source: ClinicalTrials.gov public record
Updated Feb 22, 2018 · Synced Sep 22, 2026, 2:42 PM EDT
Completed Phase 2 Interventional Results available

The Effects of Physical Activity and Low-Dose Ibuprofen on Cognitive Function in Cancer Patients

NCT01238120
View directory record Official record
Conditions
Cancer-related Cognitive Difficulties
Interventions
Ibuprofen, Home-Based Exercise, Placebo
Drug · Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2020
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated May 4, 2021 · Synced Sep 22, 2026, 2:42 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Women's Mammography Study To Improve Comfort During Mammography

NCT01716052
View directory record Official record
Conditions
Pain
Interventions
placebo, Ibuprofen
Drug
Lead sponsor
Kenneth A. Kist,
Other
Eligibility
18 Years to 100 Years · Female only
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Dec 29, 2015 · Synced Sep 22, 2026, 2:42 PM EDT
Terminated Phase 2 Interventional Results available

Efficacy Of Pf-04531083 In Treating Post-Surgical Dental Pain

NCT01512160
View directory record Official record
Conditions
Post-surgical Dental Pain
Interventions
PF-04531083, Placebo, Ibuprofen
Drug · Other
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jun 27, 2013 · Synced Sep 22, 2026, 2:42 PM EDT
Completed Phase 1 Interventional

A Study To Explore The Effect On Inflammatory Markers After Nasal Allergen Challenge In Subjects With Seasonal Allergic Rhinitis And The Effect Of A Single Dose Of Ibuprofen Or Fluticasone Propionate On The Allergen Response.

NCT01064726
View directory record Official record
Conditions
Allergic Rhinitis
Interventions
Ibuprofen, Fluticasone propionate, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
19 Years to 55 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Jun 1, 2010 · Synced Sep 22, 2026, 2:42 PM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

Clinical Study to Evaluate Efficacy of New Paracetamol Formulation Compared to Ibuprofen in Headache

NCT01842633
View directory record Official record
Conditions
Pain
Interventions
Paracetamol and Caffeine, Ibuprofen, Placebo
Drug · Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 65 Years
Enrollment
365 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Waltham, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 31, 2017 · Synced Sep 22, 2026, 2:42 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 29, 2024 · Synced Sep 22, 2026, 2:42 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Bioequivalence Study of Advil Tablet (Mini) (Ibuprofen 200 mg) Versus Advil Tablet (Ibuprofen 200 mg) in Healthy Adult Subjects Under Fasted Conditions and Bioavailability Assessment of Advil Tablet (Mini) Under Fed Conditions

NCT07345130
View directory record Official record
Conditions
Bioequivalence, Bioavailability
Interventions
Advil Tablet (Mini) (Test Product), Advil Tablet (Reference Product)
Drug
Lead sponsor
HALEON
Industry
Eligibility
18 Years to 55 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Sep 22, 2026, 2:42 PM EDT