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Showing 1–24 of 114 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Acetaminophen Oral Tablet Clear all
Completed Phase 3 Interventional Results available

Evaluation of Efficacy and Safety of Suzetrigine for Acute Pain After an Abdominoplasty

NCT05558410
View directory record Official record
Conditions
Acute Pain
Interventions
Suzetrigine (SUZ), HB/APAP, Placebo (matched to SUZ), Placebo (matched to HB/APAP)
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 80 Years
Enrollment
1,118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
12
States / cities
Sheffield, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 8 more
Source: ClinicalTrials.gov public record
Updated Jun 30, 2025 · Synced Sep 2, 2026, 7:16 AM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Effect of Postoperative Ketorolac on Bone Healing After Joint Fusion

NCT04872283
View directory record Official record
Conditions
Ketorolac, Joint Fusion
Interventions
great toe (1st metatarsophalangeal joint) fusion, IV Ketorolac, Ketorolac Pill, 5/325mg Oxycodone-Acetaminophen, Aspirin 81Mg Ec Tab
Procedure · Drug
Lead sponsor
Rothman Institute Orthopaedics
Other
Eligibility
18 Years and older
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 3, 2021 · Synced Sep 2, 2026, 7:16 AM EDT
Not listed Phase 4 Interventional

Oral Acetaminophen Use for Pain Reduction in Electrophysiology Procedures

NCT03702023
View directory record Official record
Conditions
Post Electrophysiology Procedure Pain
Interventions
Acetaminophen, Placebo Oral Tablet
Drug
Lead sponsor
Ascension Health
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Grand Blanc, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 1, 2019 · Synced Sep 2, 2026, 7:16 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

A Study to Investigate the Effect of AZD6234, AZD9550, and a Combination of AZD9550 and AZD6234 on Pharmacokinetics of Combined Oral Contraceptive Ethinyl Estradiol/Levonorgestrel in Healthy Female Participants Living With Overweight or Obesity

NCT07013643
View directory record Official record
Conditions
Healthy Participants
Interventions
AZD6234, Ethinyl estradiol/Levonorgestrel (EE/LEVO), Acetaminophen (APAP), AZD9550
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
35 Years to 75 Years · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
2
States / cities
Glendale, California • Brooklyn, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Sep 2, 2026, 7:16 AM EDT
Completed Phase 2 Interventional Results available

Postoperative Pain Management in Rhinoplasty

NCT03584152
View directory record Official record
Conditions
Pain, Postoperative
Interventions
Norco 5Mg-325Mg Tablet, Tylenol 325Mg Caplet, Ibuprofen 200 mg
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
159 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Dec 2, 2025 · Synced Sep 2, 2026, 7:16 AM EDT
Terminated Phase 3 Interventional Results available

Management Of Pain After Cesarean Trial

NCT03929640
View directory record Official record
Conditions
Pain, Postoperative, Opioid Use
Interventions
Acetaminophen, Placebo, Ibuprofen
Drug
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 3, 2024 · Synced Sep 2, 2026, 7:16 AM 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 2, 2026, 7:16 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 14, 2024 · Synced Sep 2, 2026, 7:16 AM EDT
Completed Phase 3 Interventional Results available

Evaluation of Efficacy and Safety of VX-548 for Acute Pain After a Bunionectomy

NCT05553366
View directory record Official record
Conditions
Acute Pain
Interventions
SUZ, HB/APAP, Placebo (matched to SUZ), Placebo (matched to HB/APAP)
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 80 Years
Enrollment
1,075 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
21
States / cities
Sheffield, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 18 more
Source: ClinicalTrials.gov public record
Updated Jul 31, 2025 · Synced Sep 2, 2026, 7:16 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Combination Immunosuppressive Therapy to Prevent Kidney Transplant Rejection in Adults

NCT00078559
View directory record Official record
Conditions
Kidney Transplantation, Kidney Disease
Interventions
Alemtuzumab, Sirolimus, Tacrolimus, Kidney transplant, Methylprednisolone (or equivalent), Acetaminophen, Diphenhydramine, Trimethoprim (TMP)/Sulfa (Bactrim, Septra), Valgancyclovir, Acyclovir, Pentamidine, Clotrimazole, Nystatin
Drug · Procedure
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2010
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jun 28, 2018 · Synced Sep 2, 2026, 7:16 AM EDT
Completed Not applicable Interventional Results available

Effect of Ibuprofen on Postoperative Opiate Medication Use and Shoulder Functional Outcomes

NCT02588027
View directory record Official record
Conditions
Rotator Cuff Tear Arthropathy
Interventions
Ibuprofen, Placebo
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 5, 2024 · Synced Sep 2, 2026, 7:16 AM EDT
Completed Phase 4 Interventional Results available

A Prospective Study to Investigate Safety and Tolerability of Shorter Infusion of Fabrazyme

NCT06019728
View directory record Official record
Conditions
Fabry's Disease
Interventions
AGALSIDASE BETA (GZ419828), Acetaminophen, Diphenhydramine, Dexamethasone, Montelukast, Loratadine, Cetirizine, Fexofenadine
Drug
Lead sponsor
Sanofi
Industry
Eligibility
2 Years to 65 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
5
States / cities
Santa Monica, California • Atlanta, Georgia • Grand Rapids, Michigan + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 20, 2025 · Synced Sep 2, 2026, 7:16 AM EDT
Enrolling by invitation Phase 4 Interventional

Musculoskeletal Outcomes Using Tylenol/Ibuprofen vs. Oral Steroids in New Injuries

NCT07393503
View directory record Official record
Conditions
Musculoskeletal Pain
Interventions
Methylprednisolone 4Mg Tab, Acetaminophen 500Mg Tab, Ibuprofen 200Mg Oral Tablet
Drug
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Sep 2, 2026, 7:16 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 12, 2021 · Synced Sep 2, 2026, 7:16 AM EDT
Completed Phase 4 Interventional Results available

Hydrocodone For Pain Control in First Trimester Surgical Abortion

NCT01330459
View directory record Official record
Conditions
Pain
Interventions
Hydrocodone/acetaminophen, Placebo, Ibuprofen, Lorazepam, Lidocaine
Drug
Lead sponsor
Elizabeth Micks
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
2
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 25, 2019 · Synced Sep 2, 2026, 7:16 AM EDT
Terminated Phase 3 Interventional Results available

Ibuprofen to Decrease Opioid Use and Post-operative Pain Following Unilateral Inguinal Herniorrhaphy

NCT02929589
View directory record Official record
Conditions
Pain, Hernia
Interventions
Ibuprofen, Opioid Medication, Placebo, Ibuprofen + Opioid medication
Drug
Lead sponsor
Mike O'Callaghan Military Hospital
Federal
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Nellis Air Force Base, Nevada
Source: ClinicalTrials.gov public record
Updated Mar 25, 2024 · Synced Sep 2, 2026, 7:16 AM EDT
Terminated Phase 3 Interventional

A Randomized, Open Label, Prospective Study to Explore the Clinical Characteristics of Oral MNK155 and Norco 7.5mg/325 When Used for the Treatment of Moderate to Severe Post Operative Pain

NCT02381132
View directory record Official record
Conditions
Post Operative Pain
Interventions
Norco 7.5mg/325, MNK155
Drug
Lead sponsor
Neil Singla
Other
Eligibility
18 Years and older
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Pasadena, California
Source: ClinicalTrials.gov public record
Updated Mar 24, 2016 · Synced Sep 2, 2026, 7:16 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Efficacy of Combined Ibuprofen and Acetaminophen Therapy Versus Ibuprofen Alone Versus Placebo Alone for Pain Management

NCT04059172
View directory record Official record
Conditions
Pain, Orofacial
Interventions
Ibuprofen 200 mg and acetaminphen 650 mg, Ibuprofen 200 mg, Placebo oral tablet
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
12 Years to 80 Years
Enrollment
375 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2028
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Sep 2, 2026, 7:16 AM EDT
Completed Phase 2 Interventional

A Study Evaluating Efficacy and Safety of VX-993 for Acute Pain After a Bunionectomy

NCT06619847
View directory record Official record
Conditions
Acute Pain
Interventions
VX-993, HB/APAP, Placebo (matched to VX-993), Placebo (matched to HB/APAP)
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 75 Years
Enrollment
367 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
14
States / cities
Sheffield, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 11 more
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Sep 2, 2026, 7:16 AM EDT
Recruiting Phase 4 Interventional

Efficacy of Ketorolac for Postoperative Pain Management in Hip Arthroscopy

NCT07037888
View directory record Official record
Conditions
Femoracetabular Impingement, Hip Arthroscopy
Interventions
Ketorolac, Control (Standard treatment), Omeprazole
Drug
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years to 89 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Sep 2, 2026, 7:16 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Fentanyl Administered Intraorally for Rapid Treatment of Orthopedic Pain

NCT00685295
View directory record Official record
Conditions
Pain, Fracture, Sprain
Interventions
Fentanyl, Lansoprazole, Oxycodone
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 8, 2017 · Synced Sep 2, 2026, 7:16 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Manufacturing Transfer Study Comparing the Bioequivalence of a Single Oral Dose of Claritin-D 12-Hour Extended Release Tablet From 2 Different Manufacturers Under Fasted Conditions in Healthy Adult Subjects

NCT03517930
View directory record Official record
Conditions
Clinical Pharmacology
Interventions
Loratadine + Pseudoephedrine sulfate (Claritin-D, BAY818725) (Manufacturer-SAG), Loratadine + Pseudoephedrine sulfate (Claritin-D, BAY818725) (Manufacturer-Heist)
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 55 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Secaucus, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 18, 2018 · Synced Sep 2, 2026, 7:16 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 27, 2019 · Synced Sep 2, 2026, 7:16 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Opioid Use After Laparoscopic Salpingectomy

NCT06434233
View directory record Official record
Conditions
Opioid Use, Post-operative Pain, Sterility, Female
Interventions
Acetaminophen, Ibuprofen, Oxycodone
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older · Female only
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Sep 2, 2026, 7:16 AM EDT