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 come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 13, 2026, 5:12 PM EDT

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

Showing 145–168 of 948 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Acetaminophen (Ofirmev) Clear all
Completed Not applicable Interventional

Acupuncture for Vasectomy Pre-procedural Anxiety and Pain Control in the Primary Care Setting

NCT03938415
View directory record Official record
Conditions
Acupuncture, Pain, Postoperative, Vasectomy
Interventions
Acupuncture, Standardized pre-procedure medications
Procedure · Other
Lead sponsor
Matthew Snyder
Federal
Eligibility
25 Years and older · Male only
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Apr 15, 2025 · Synced Oct 13, 2026, 5:12 PM EDT
Completed Phase 4 Interventional Results available

Intravenous Versus Oral Acetaminophen in Primary Total Hip Arthroplasty

NCT02839876
View directory record Official record
Conditions
Osteoarthritis, Acetaminophen, Arthroplasty, Hip Replacement
Interventions
Intravenous acetaminophen, Oral acetaminophen
Drug
Lead sponsor
Duke University
Other
Eligibility
56 Years to 85 Years
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 9, 2021 · Synced Oct 13, 2026, 5:12 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 12, 2026 · Synced Oct 13, 2026, 5:12 PM EDT
Recruiting Phase 2 Interventional

Postoperative Tizanidine Use in Pelvic Reconstructive Surgery: A Pilot Study

NCT07766837
View directory record Official record
Conditions
Post Operative, Post Operative Analgesia, Urogynecologic Surgery
Interventions
Tizanidine, Standard-of-Care Therapy
Drug · Other
Lead sponsor
Hartford Hospital
Other
Eligibility
18 Years to 89 Years · Female only
Enrollment
186 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 21, 2026 · Synced Oct 13, 2026, 5:12 PM 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 19, 2018 · Synced Oct 13, 2026, 5:12 PM EDT
Suspended Phase 3 Interventional Accepts healthy volunteers

Acetaminophen Dosing in Obese Adolescents

NCT03192566
View directory record Official record
Conditions
Obesity, Childhood
Interventions
Tylenol
Drug
Lead sponsor
Children's National Research Institute
Other
Eligibility
10 Years to 18 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2025
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Aug 22, 2024 · Synced Oct 13, 2026, 5:12 PM EDT
Withdrawn Phase 4 Interventional

A Pilot Study Investigating the Efficacy of Minocycline and N-Acetyl Cysteine for Bipolar Depression

NCT02719392
View directory record Official record
Conditions
Bipolar Disorder, Bipolar Depression
Interventions
N-acetylcysteine, Minocycline, Placebo
Dietary Supplement · Drug · Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 24, 2026 · Synced Oct 13, 2026, 5:12 PM 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 13, 2024 · Synced Oct 13, 2026, 5:12 PM EDT
Terminated Phase 3 Interventional

Acetaminophen vs Indomethacin in Treating hsPDA

NCT03537144
View directory record Official record
Conditions
Patent Ductus Arteriosus
Interventions
Indomethacin, Acetaminophen
Drug
Lead sponsor
University of Tennessee
Other
Eligibility
22 Weeks to 32 Weeks
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
3
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 3, 2019 · Synced Oct 13, 2026, 5:12 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Effect of Post-operative Ibuprofen After Surgery for Chronic Rhinosinusitis

NCT03055507
View directory record Official record
Conditions
Chronic Rhinosinusitis (Diagnosis)
Interventions
Ibuprofen 400 mg, Acetaminophen 650 mg, OxyCODONE 5 Mg Oral Tablet
Drug
Lead sponsor
University of Washington
Other
Eligibility
Not listed
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 22, 2023 · Synced Oct 13, 2026, 5:12 PM EDT
Completed Phase 1Phase 2 Interventional

N-acetylcysteine in Intra-amniotic Infection/Inflammation

NCT00397735
View directory record Official record
Conditions
Labor, Premature, Preterm Premature Rupture of the Membranes, Infection, Inflammation, Chorioamnionitis
Interventions
amniocentesis, N-acetylcysteine or placebo
Procedure · Drug
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older · Female only
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2018
U.S. locations
2
States / cities
New Haven, Connecticut • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 10, 2018 · Synced Oct 13, 2026, 5:12 PM EDT
Completed Not applicable Interventional

Prospective Pain Study Comparing Different Treatments After Hand Surgery

NCT03597308
View directory record Official record
Conditions
Post-operative Pain
Interventions
5mg of Oxycodone every 6 hours as needed for pain, 600mg of Ibuprofen every 6 hours as needed for pain, 500mg of Acetaminophen every 6 hours as needed for pain
Drug
Lead sponsor
Rothman Institute Orthopaedics
Other
Eligibility
18 Years and older
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 24, 2018 · Synced Oct 13, 2026, 5:12 PM EDT
Withdrawn Phase 1Phase 2 Interventional Accepts healthy volunteers

Platelet-Rich Plasma and the Effects of NSAIDs on Pain and Functional Scores in Knee Osteoarthritis

NCT05742763
View directory record Official record
Conditions
Osteoarthritis of the Knee, Degenerative Osteoarthritis, Knee Pain Chronic
Interventions
Ibuprofen and PRP, Acetaminophen and PRP, Placebo and PRP
Combination Product
Lead sponsor
QC Kinetix LLC
Industry
Eligibility
50 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Charlotte, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 9, 2024 · Synced Oct 13, 2026, 5:12 PM EDT
Completed Phase 4 Interventional

A Study Of Opioid Avoidance In Surgery Through Integrating Suzetrigine

NCT07257133
View directory record Official record
Conditions
Post Operative Pain
Interventions
Suzetrigine
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated May 1, 2026 · Synced Oct 13, 2026, 5:12 PM EDT
Completed Not applicable Interventional

Conditioned Open-label Placebo (COLP) for Peri-operative Pain Management in Patients With Head and Neck Cancer

NCT04973748
View directory record Official record
Conditions
Postoperative Pain, Opioid Use
Interventions
Conditioned open-label placebo (COLP), Surveys about pain, opioid use and depression symptoms
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 23, 2024 · Synced Oct 13, 2026, 5:12 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetic Study Investigating the Extent of Paracetamol Absorption From a New Formulation of Paracetamol Compared With Panadol® Extend

NCT01540721
View directory record Official record
Conditions
Healthy Subjects
Interventions
Marketed paracetamol, Experimental paracetamol formulation
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 55 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Nov 24, 2014 · Synced Oct 13, 2026, 5:12 PM EDT
Terminated Phase 2Phase 3 Interventional

SPARK-ALL: Calaspargase Pegol in Adults With ALL

NCT04817761
View directory record Official record
Conditions
Acute Lymphoblastic Leukemia
Interventions
Calaspargase pegol (S95015)
Drug
Lead sponsor
Institut de Recherches Internationales Servier
Other
Eligibility
22 Years to 55 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
21
States / cities
Scottsdale, Arizona • Duarte, California • Los Angeles, California + 16 more
Source: ClinicalTrials.gov public record
Updated Feb 18, 2026 · Synced Oct 13, 2026, 5:12 PM EDT
Completed Not applicable Interventional Results available

Study Comparing 3 Different Treatments for Arthritis of the Lower Back (Lumbar Spinal Stenosis)

NCT01943435
View directory record Official record
Conditions
Lumbar Spinal Stenosis
Interventions
NSAIDs; adjunctive analgesics; adjunctive anti-depressants, Lumbar epidural injection, Joint Mobilizations (spine, sacroiliac, hip), Individualized exercises: clinical setting, Group Exercise: community setting
Drug · Procedure · Other
Lead sponsor
Michael Schneider, DC, PhD
Other
Eligibility
60 Years and older
Enrollment
259 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 2, 2018 · Synced Oct 13, 2026, 5:12 PM EDT
Terminated Phase 2 Interventional

Percocet vs. Bupivicaine for Toothaches in the ED

NCT02862691
View directory record Official record
Conditions
Toothache
Interventions
Acetaminophen/Oxycodone (Oral analgesic), Bupivicaine (Injectable local anesthetic)
Drug
Lead sponsor
Stony Brook University
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Apr 25, 2018 · Synced Oct 13, 2026, 5:12 PM 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 31, 2014 · Synced Oct 13, 2026, 5:12 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effect of Testosterone Treatment on Drug Metabolism and Transport

NCT05116293
View directory record Official record
Conditions
Transgender Persons
Interventions
Midazolam oral solution, Digoxin Oral Tablet, Acetaminophen Oral Tablet
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 60 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Oct 13, 2026, 5:12 PM EDT
Recruiting Phase 4 Interventional

The Effect of Multimodal Pain Regimen on Use of Narcotics After Rotator Cuff Tear Repair

NCT07076069
View directory record Official record
Conditions
Rotator Cuff Repairs, Pain Management
Interventions
Multimodal Pain Regimen, Standard of Care Pain Regimen
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Oct 13, 2026, 5:12 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

A Randomized Crossover Study to Determine the Pharmacokinetics of Intranasally Administered Acetaminophen in Healthy Adults

NCT00855049
View directory record Official record
Conditions
Pharmacokinetics
Interventions
Acetaminophen
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 45 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jan 22, 2019 · Synced Oct 13, 2026, 5:12 PM EDT
Terminated Phase 4 Interventional Results available

Opioid & Steroid Use Following Tonsillectomy in Pediatric Patients

NCT04541147
View directory record Official record
Conditions
Pain, Postoperative
Interventions
Dexamethasone, Analgesics
Drug
Lead sponsor
Duke University
Other
Eligibility
4 Years to 17 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 27, 2024 · Synced Oct 13, 2026, 5:12 PM EDT