Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Sep 4, 2026, 9:18 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 87 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Acetaminophen 500 mg Clear all
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Aminotransferase Trends During Prolonged Acetaminophen Dosing

NCT00743093
View directory record Official record
Conditions
Drug Toxicity, Healthy
Interventions
acetaminophen, placebo
Drug
Lead sponsor
Denver Health and Hospital Authority
Other
Eligibility
18 Years and older
Enrollment
398 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
2
States / cities
Aurora, Colorado • Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 17, 2013 · Synced Sep 4, 2026, 9:18 AM EDT
Terminated Phase 4 Interventional Results available

Post-operative Analgesia in Elective, Soft-tissue Hand Surgery

NCT02029235
View directory record Official record
Conditions
Carpal Tunnel, Ganglion Cyst, Trigger Finger, De Quervain Disease
Interventions
Acetaminophen/Ibuprofen, Acetaminophen/Hydrocodone
Drug
Lead sponsor
Alexander Payatakes, M.D.
Other
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 12, 2018 · Synced Sep 4, 2026, 9:18 AM EDT
Completed Phase 3 Interventional

Evaluate the Time of Pain Relief of Fast Acting Aspirin Versus Acetaminophen in Subjects Diagnosed With Sore Throat Pain

NCT01453400
View directory record Official record
Conditions
Pharyngitis
Interventions
Acetylsalicylic Acid (Aspirin, BAY1019036) + placebo, Acetaminophen + placebo, Placebo
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older
Enrollment
177 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Storrs, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 6, 2018 · Synced Sep 4, 2026, 9:18 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate Bioavailability and Food Effect of Selumetinib (AZD6244) in Healthy Male Participants

NCT03649165
View directory record Official record
Conditions
Neurofibromatosis Type 1 (NF1)-Related Plexiform Neurofibromas (PNs), Healthy Participants
Interventions
Treatment A, Treatment B, Treatment C, Treatment D, Acetaminophen
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 45 Years · Male only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 7, 2018 · Synced Sep 4, 2026, 9:18 AM EDT
Active, not recruiting Phase 3 Interventional

Sacituzumab Tirumotecan (MK-2870) Versus Chemotherapy in Previously Treated Advanced or Metastatic Nonsquamous Non-small Cell Lung Cancer (NSCLC) With EGFR Mutations or Other Genomic Alterations (MK-2870-004)

NCT06074588
View directory record Official record
Conditions
Non-small Cell Lung Cancer (NSCLC)
Interventions
Sacituzumab tirumotecan, Docetaxel, Pemetrexed
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
556 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2030
U.S. locations
16
States / cities
Los Angeles, California • Jacksonville, Florida • Orange City, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Sep 4, 2026, 9:18 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 16, 2021 · Synced Sep 4, 2026, 9:18 AM EDT
Terminated Phase 3 Interventional Results available

Safety and Efficacy Study of a New Formulation of Acetylcysteine Injection

NCT01118663
View directory record Official record
Conditions
Acetaminophen Overdose
Interventions
Acetadote EF (Ethylenediaminetetraacetic Acid (EDTA) - Free), Acetadote
Drug
Lead sponsor
Cumberland Pharmaceuticals
Industry
Eligibility
12 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
14
States / cities
Phoenix, Arizona • Loma Linda, California • Orange, California + 11 more
Source: ClinicalTrials.gov public record
Updated Aug 3, 2014 · Synced Sep 4, 2026, 9:18 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Gastrointestinal Safety Evaluation of Two Over the Counter Analgesics

NCT01822665
View directory record Official record
Conditions
Gastrointestinal Mucosal Damage
Interventions
Ibuprofen, Paracetamol, Placebo
Drug · Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 60 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 30, 2014 · Synced Sep 4, 2026, 9:18 AM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers

Efficacy of a Single Dose of Aspirin vs. Acetaminophen in Tension Type Headache

NCT01552798
View directory record Official record
Conditions
Headache
Interventions
Acetylsalicylic acid (Aspirin, BAY1019036), Acetaminophen, Placebo
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 65 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Kalamazoo, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 18, 2018 · Synced Sep 4, 2026, 9:18 AM EDT
Completed Phase 1 Interventional

Abatacept for GVHD Prophylaxis After Hematopoietic Stem Cell Transplantation for Pediatric Sickle Cell Disease

NCT02867800
View directory record Official record
Conditions
Sickle Cell Disease, Graft Versus Host Disease
Interventions
Diphenhydramine, Acetaminophen, Methylprednisolone, Meperidine, Alemtuzumab, Thymoglobulin, Fludarabine, Melphalan, Thiotepa, Cyclosporine, Tacrolimus, Methotrexate, Abatacept, Marrow infusion, Sirolimus, Mycophenolate Mofetil
Drug · Procedure
Lead sponsor
Monica Bhatia
Other
Eligibility
3 Years to 20 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
7
States / cities
Washington D.C., District of Columbia • Atlanta, Georgia • Chicago, Illinois + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 12, 2024 · Synced Sep 4, 2026, 9:18 AM 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 4, 2026, 9:18 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 4, 2026, 9:18 AM EDT
Completed Phase 3 Interventional Results available

A Study of Ibuprofen (IBU) 250mg/APAP 500mg In The Treatment Of Post-Surgical Dental Pain

NCT02837952
View directory record Official record
Conditions
Pain
Interventions
FDC IBU/APAP 250 mg/500 mg, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 40 Years
Enrollment
123 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 4, 2018 · Synced Sep 4, 2026, 9:18 AM EDT
Completed Phase 1Phase 2 Interventional Results available

M7824 and Topotecan or Temozolomide in Relapsed Small Cell Lung Cancers

NCT03554473
View directory record Official record
Conditions
Carcinoma, Small Cell, Lung Cancer, Small Cell Lung Cancer
Interventions
M7824, Topotecan, Temozolomide, EKG, CT scan, PET scan, Acetaminophen, Antihistamines, Diphenhydramine, Dexamethasone, Epinephrine
Drug · Diagnostic Test
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 99 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated May 8, 2025 · Synced Sep 4, 2026, 9:18 AM EDT
Withdrawn Not applicable Interventional

Connective Tissue Matrix Compared to Steroid Injections for Rotator Cuff Tendinopathy

NCT06712290
View directory record Official record
Conditions
Rotator Cuff Tendinopathy
Interventions
celgene, Corticosteroid
Drug
Lead sponsor
Allegheny Singer Research Institute (also known as Allegheny Health Network Research Institute)
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 22, 2025 · Synced Sep 4, 2026, 9:18 AM 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 4, 2026, 9:18 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Trial Comparing Intravenous and Oral Moderate Sedation for First Trimester Surgical Abortions

NCT01011634
View directory record Official record
Conditions
Undesired Intrauterine Pregnancy, First Trimester Pregnancy
Interventions
Intravenous moderate sedation versus oral medication
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
16 Years to 55 Years · Female only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 15, 2013 · Synced Sep 4, 2026, 9:18 AM EDT
Completed Phase 4 Interventional Results available

Efficacy of Intercostal CryoAnalgesia in Robotic Lung Resection

NCT05144828
View directory record Official record
Conditions
Pain, Postoperative, Lung Diseases
Interventions
Intercostal Nerve Cryoablation, Patient-controlled analgesia (PCA)
Device · Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years to 85 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Sep 4, 2026, 9:18 AM EDT
Completed Phase 4 Interventional Results available

Ketamine Infusion Therapy for the Management of Acute Pain in Adult Rib Fracture Patients

NCT02432456
View directory record Official record
Conditions
Wounds and Injuries, Rib Fractures
Interventions
Ketamine, Placebo, Intercostal Nerve Block, Acetaminophen, Ibuprofen, Pantoprazole, Methocarbamol, Opioid
Drug · Procedure
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 4, 2020 · Synced Sep 4, 2026, 9:18 AM EDT
Terminated Phase 2 Interventional Results available

Belatacept to Prevent Organ Rejection in Kidney Transplant Patients

NCT00346151
View directory record Official record
Conditions
Renal Transplant
Interventions
Belatacept, Sirolimus, Anti-thymocyte globulin, methylprednisolone
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 65 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
2
States / cities
San Francisco, California • Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 20, 2017 · Synced Sep 4, 2026, 9:18 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Drug Interactions Between Morphine and Orally or IV Administered Acetaminophen

NCT02848729
View directory record Official record
Conditions
Pain
Interventions
Oral Acetaminophen, IV Acetaminophen, IV Morphine, Placebo Tablets, Saline
Drug
Lead sponsor
Mallinckrodt
Industry
Eligibility
18 Years to 55 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
3
States / cities
Tucson, Arizona • Naples, Florida • Kingston, Rhode Island
Source: ClinicalTrials.gov public record
Updated Feb 4, 2020 · Synced Sep 4, 2026, 9:18 AM EDT
Completed Phase 3 Interventional Results available

A Safety And Efficacy Study of Ibuprofen 250 mg / Acetaminophen 500 mg In The Treatment Of Post-Surgical Dental Pain

NCT02912650
View directory record Official record
Conditions
Post-surgical Pain Following Extraction of Molar Teeth
Interventions
Ibuprofen 250 mg / Acetaminophen 500 mg, Ibuprofen 250 mg, Acetaminophen 650 mg, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 40 Years
Enrollment
568 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Aug 29, 2017 · Synced Sep 4, 2026, 9:18 AM EDT
Completed Phase 3 Interventional Results available

Randomized, Double-Blind, Single-Dose, Efficacy and Safety Study of Test Acetaminophen Tablet in Postoperative Dental Pain

NCT03224403
View directory record Official record
Conditions
Post-operative Dental Pain
Interventions
Test acetaminophen, Commercial acetaminophen, Commercial ibuprofen, Placebo
Drug
Lead sponsor
Johnson & Johnson Consumer Inc., McNeil Consumer Healthcare Division
Industry
Eligibility
17 Years to 50 Years
Enrollment
664 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 14, 2021 · Synced Sep 4, 2026, 9:18 AM 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 4, 2026, 9:18 AM EDT