Independent directory Public ClinicalTrials.gov records United States
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 26, 2026, 3:44 PM EDT

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

Showing 529–552 of 948 matching trials from the live ClinicalTrials.gov search.
Conditions
Lupus Nephritis
Interventions
Obinutuzumab, Placebo, Mycophenolate Mofetil, Acetaminophen/paracetamol, Diphenhydramine hydrochloride (HCl), Methylprednisolone, Prednisone
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
5 Years to 17 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2030
U.S. locations
11
States / cities
Loma Linda, California • San Francisco, California • Aurora, Colorado + 8 more
Conditions
Multiple Sclerosis
Interventions
N-acetyl Cysteine
Dietary Supplement
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Pain
Interventions
JNJ-10450232 / Not yet marketed, acetaminophen / Tylenol
Drug
Lead sponsor
McNeil Consumer Healthcare Division of McNEIL-PPC, Inc.
Industry
Eligibility
18 Years to 45 Years · Male only
Enrollment
269 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Salt Lake City, Utah
Completed No phase listed Observational Accepts healthy volunteers

Effect of Sulfur Amino Acid Depletion and Acetaminophen on Plasma Glutatione

NCT00228644
Conditions
Healthy
Interventions
Not listed
Lead sponsor
Emory University
Other
Eligibility
18 Months to 40 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2009
U.S. locations
1
States / cities
Atlanta, Georgia
Completed Not applicable Interventional Accepts healthy volunteers Results available

Mechanisms of Action of Acetaminophen

NCT00646906
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
Completed Phase 2 Interventional Results available

Postoperative Pain Management in Rhinoplasty

NCT03584152
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
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
Conditions
Acetaminophen Toxicity
Interventions
Not listed
Lead sponsor
Arkansas Children's Hospital Research Institute
Other
Eligibility
12 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Little Rock, Arkansas
Conditions
Concussion Post Syndrome, Head Trauma Injury
Interventions
Metoclopramide 10mg, Acetaminophen
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
New York, New York
Conditions
Pain
Interventions
IV Acetaminophen, Placebo
Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Cleveland, Ohio
Conditions
Lung Neoplasm Malignant
Interventions
MK-1084, Patritumab deruxtecan, Sacituzumab tirumotecan, Cetuximab, Rescue Medications
Drug · Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
4
States / cities
Clermont, Florida • Chicago, Illinois • Portland, Oregon
Completed Phase 4 Interventional Accepts healthy volunteers

Acetaminophen IV vs Hydromorphone IV in the ED

NCT03107481
Conditions
Pain, Acute
Interventions
Acetaminophen, Hydromorphone
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
21 Years to 64 Years
Enrollment
220 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
The Bronx, New York
Not listed Not applicable Interventional

PDA Occlusion Using NIRS

NCT06359522
Conditions
Organ Perfusion Determined by Using NIRS Post Transcatheter PDA Occlusion or Medical Closure of PDA
Interventions
NIRS monitor
Device
Lead sponsor
University of Louisville
Other
Eligibility
0 Months to 3 Months
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Louisville, Kentucky
Conditions
Multiple Myeloma
Interventions
Acetaminophen, Biospecimen Collection, Dexamethasone, Electronic Health Record Review, Famotidine, Loratadine, Methylprednisolone, Montelukast, Motixafortide, Pheresis, Questionnaire Administration, Recombinant Granulocyte Colony-Stimulating Factor
Drug · Procedure · Other + 1 more
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Atlanta, Georgia
Conditions
Children, Lacerations, Procedures, Child, Pain
Interventions
hydrocodone/acetaminophen, Sugar water
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
2 Years to 17 Years
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
Houston, Texas
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
Conditions
Dental Pain
Interventions
Full Dose Strength, Quarter dose strength, Half dose strength, Acetaminophen standard dose, Ibuprofen low dose, Ibuprofen high dose, Placebo
Drug
Lead sponsor
AFT Pharmaceuticals, Ltd.
Industry
Eligibility
16 Years to 40 Years
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Austin, Texas
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Cannabinoid vs Opioid for Photorefractive Keratectomy Pain Control

NCT05477875
Conditions
Photorefractive Keratectomy, Myopia, Hyperopia
Interventions
oral cannabinoid, oral codeine/acetaminophen
Drug · Combination Product
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 65 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Glaucoma
Interventions
Acetaminophen
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Fetal Testing, Transplacental Transfer of Acetaminophen
Interventions
Arm 1 (20 patients), Arm 2 (34 patients)
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Erector Spinae Plane Block
Interventions
Bupivacaine (erector spinae plane block)
Drug
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Orange, California
Conditions
Gastroesophageal Cancer
Interventions
Sacituzumab tirumotecan, Trifluridine-Tipiracil, Irinotecan, Paclitaxel, Docetaxel, Rescue medications, Supportive care measures
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
473 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
17
States / cities
Gilbert, Arizona • Los Angeles, California • Orlando, Florida + 13 more
Completed Not applicable Interventional

Opioid-Free Orthopaedic Surgery

NCT04176783
Conditions
Pain Management
Interventions
Opioids, Opioid-Free
Drug
Lead sponsor
OrthoCarolina Research Institute, Inc.
Other
Eligibility
18 Years and older
Enrollment
511 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Charlotte, North Carolina
Conditions
Breast Cancer, Postoperative Recovery
Interventions
ERAS Protocol, Standard Perioperative Care
Other
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Omaha, Nebraska