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ClinicalTrials.gov public records Last synced Oct 7, 2026, 3:06 AM EDT

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Showing 49–72 of 239 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Acetaminophen (Tylenol extra strength) Clear all
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Emergence Agitation and Pain Scores in Pediatrics When Comparing Single-modal vs Multi-modal Analgesia for ENT Surgery

NCT03062488
View directory record Official record
Conditions
Emergence Agitation, Pain
Interventions
IV acetaminophen, Fentanyl, PO acetaminophen
Drug
Lead sponsor
Nemours Children's Clinic
Other
Eligibility
24 Months to 7 Years
Enrollment
143 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 18, 2020 · Synced Oct 7, 2026, 3:06 AM EDT
Terminated Phase 1 Interventional Results available

Intratumor Injection of Anti-Mesothelin Immunotoxin LMB-100 With Ipilimumab in Malignant Mesothelioma

NCT04840615
View directory record Official record
Conditions
Mesothelioma
Interventions
LMB-100, ipilimumab, Diphenhydramine, Famotidine, Acetaminophen, Dexamethasone, Biopsy, FDG-PET, CT CAP, MRI, ECG, Echocardiogram
Biological · Drug · Procedure + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 120 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 2, 2024 · Synced Oct 7, 2026, 3:06 AM EDT
Withdrawn Phase 4 Interventional

Ketamine in Colorectal Surgery

NCT02785003
View directory record Official record
Conditions
Acute Pain, Pain, Postoperative, Colorectal Surgery
Interventions
Placebo, Ketamine, Acetaminophen, Opioid, Alvimopan
Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 26, 2017 · Synced Oct 7, 2026, 3:06 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Acetaminophen Transfer Across the Placenta and the Assessment of Fetal Well-being

NCT01211912
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 1, 2014 · Synced Oct 7, 2026, 3:06 AM EDT
Completed Phase 1 Interventional

Combination of Acetaminophen and Ibuprofen in the Management of Patent Ductus Arteriosus

NCT03103022
View directory record Official record
Conditions
Patent Ductus Arteriosus, Neonate
Interventions
Acetaminophen, ibuprofen
Drug
Lead sponsor
University of Florida
Other
Eligibility
23 Weeks to 30 Weeks
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
2
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 31, 2020 · Synced Oct 7, 2026, 3:06 AM EDT
Completed Phase 1 Interventional

Flotetuzumab for the Treatment of Relapsed or Refractory Advanced CD123-Positive Hematological Malignancies

NCT04681105
View directory record Official record
Conditions
Recurrent Acute Leukemia, Recurrent B Acute Lymphoblastic Leukemia, Recurrent Blastic Plasmacytoid Dendritic Cell Neoplasm, Recurrent Chronic Myelogenous Leukemia, BCR-ABL1 Positive, Recurrent Hairy Cell Leukemia, Recurrent Hematologic Malignancy, Recurrent Hodgkin Lymphoma, Recurrent T Acute Lymphoblastic Leukemia, Refractory Acute Leukemia, Refractory B Acute Lymphoblastic Leukemia, Refractory Blastic Plasmacytoid Dendritic Cell Neoplasm, Refractory Chronic Myelogenous Leukemia, BCR-ABL1 Positive, Refractory Hairy Cell Leukemia, Refractory Hematologic Malignancy, Refractory Hodgkin Lymphoma, Refractory T Acute Lymphoblastic Leukemia, Systemic Mastocytosis
Interventions
Acetaminophen, Dexamethasone, Diphenhydramine, Flotetuzumab, Ibuprofen, Ranitidine
Drug · Biological
Lead sponsor
City of Hope Medical Center
Other
Eligibility
12 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced Oct 7, 2026, 3:06 AM EDT
Completed Phase 2 Interventional

Assessing Efficacy of Intravenous Acetaminophen for Perioperative Pain Treatment in Spinal Surgery

NCT05764707
View directory record Official record
Conditions
Lumbar; Injury
Interventions
Acetaminophen, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 12, 2024 · Synced Oct 7, 2026, 3:06 AM EDT
Recruiting Not applicable Interventional

Open-label Placebo (COLP) for Pain in Adolescent Idiopathic Scoliosis (AIS) Surgery+Surgical Treatment of Idiopathic Scoliosis

NCT06365892
View directory record Official record
Conditions
Adolescent Idiopathic Scoliosis (AIS)
Interventions
open-label placebo, Treatment as usual
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
10 Years to 18 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 13, 2026 · Synced Oct 7, 2026, 3:06 AM EDT
Completed Phase 2 Interventional Results available

Allogeneic Transplantation From Related Haploidentical Donors

NCT00185692
View directory record Official record
Conditions
Blood Cancer, Leukemia, Graft Versus Host Disease, Malignancy, CLL, NHL, Hodgkin's Disease, MDS
Interventions
non-myeloablative hematopoietic cell transplantation, Anti-Thymocyte Globulin, Cyclosporine, Mycophenolate Mofetil, G-CSF, Solumedrol, Acetaminophen, Diphenydramine, Hydrocortisone
Procedure · Drug
Lead sponsor
Stanford University
Other
Eligibility
12 Months and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2010
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Dec 4, 2019 · Synced Oct 7, 2026, 3:06 AM EDT
Withdrawn Not applicable Interventional

Acetaminophen in Combination With N-Acetylcysteine (NAC) Versus Placebo in Treating Fever

NCT01137591
View directory record Official record
Conditions
Liver Failure, Liver Failure, Acute, Drug Induced Liver Injury, Prevention & Control, Fever
Interventions
APAP and NAC combination, APAP and Placebo
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 5, 2015 · Synced Oct 7, 2026, 3:06 AM EDT
Active, not recruiting Phase 2 Interventional Results available

Randomized Phase II Trial of Rituximab With Either Pentostatin or Bendamustine for Multiply Relapsed or Refractory Hairy Cell Leukemia

NCT01059786
View directory record Official record
Conditions
Hairy Cell Leukemia
Interventions
Pentostatin, Rituximab, Bendamustine, Acetaminophen, Diphenhydramine, Epinephrine, Antihistamines, Corticosteroids, Bronchodilators, Intravenous (IV) Saline
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2031
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 22, 2026 · Synced Oct 7, 2026, 3:06 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Hip Arthroscopy Postoperative Opioid Demands

NCT04094701
View directory record Official record
Conditions
Opioid Use, Pain, Femoral Acetabular Impingement, Labral Tear, Glenoid
Interventions
Control Group Regimen, Opioid reduced regimen
Other
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
170 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2028
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Oct 7, 2026, 3:06 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Treg Therapy in Subclinical Inflammation in Kidney Transplantation

NCT02711826
View directory record Official record
Conditions
Kidney Transplant, Adult Living Donor Kidney Transplant Recipients, Renal Transplant, Living Kidney Donor
Interventions
Polyclonal Regulatory T Cells, Everolimus, Tacrolimus, Mycophenolate mofetil, Mycophenolic acid, Acetaminophen, Diphenhydramine, Biopsy, Kidney, Blood Draw, Leukapheresis, IS regimen conversion
Biological · Drug · Procedure
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
6
States / cities
Birmingham, Alabama • San Francisco, California • Aurora, Colorado + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 7, 2026, 3:06 AM EDT
Suspended Phase 2 Interventional

Pain After Strabismus Surgery

NCT06689943
View directory record Official record
Conditions
Strabismus
Interventions
Tylenol
Drug
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
4 Years to 12 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Oct 7, 2026, 3:06 AM EDT
Terminated Phase 4 Interventional Results available

PROUD Study - Preventing Opioid Use Disorders

NCT04766996
View directory record Official record
Conditions
Anesthesia, Opioid Use
Interventions
Guided mindfulness exercises, Self-administered aromatherapy, Baby aspirin, Tylenol/Acetaminophen, Pregabalin, Prednisone, Meloxicam, Prilosec, Tramadol, Voltaren, Zofran, Pepcid, Reglan, Versed, Lidocaine, Propofol, Ancef, Tranexamic Acid (TXA), Decadron, Bupivacaine hydrochloride, Toradol
Behavioral · Other · Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 22, 2023 · Synced Oct 7, 2026, 3:06 AM EDT
Completed Not applicable Interventional Results available

Hypertension In Postpartum Preeclampsia Study

NCT03011567
View directory record Official record
Conditions
Hypertension, Pregnancy-Induced
Interventions
Acetaminophen, Ibuprofen
Drug
Lead sponsor
MemorialCare Health System
Other
Eligibility
18 Years and older · Female only
Enrollment
202 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Long Beach, California
Source: ClinicalTrials.gov public record
Updated Jan 3, 2024 · Synced Oct 7, 2026, 3:06 AM EDT
Completed Phase 4 Interventional Results available

Postoperative Pain Control in Septum and Sinus Surgery

NCT04149964
View directory record Official record
Conditions
Post-operative Pain, Sinus Surgery
Interventions
Acetaminophen 325 mg Oral Tablet, Acetaminophen 650 mg Oral Tablet, OxyCODONE 5 mg Oral Tablet, Acetaminophen/Hydrocodone 325 mg/7.5 mg oral tablet
Drug
Lead sponsor
Corewell Health East
Other
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Farmington Hills, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 31, 2023 · Synced Oct 7, 2026, 3:06 AM EDT
Terminated Phase 1 Interventional Results available

T Cell Receptor Gene Therapy Targeting KK-LC-1 for Gastric, Breast, Cervical, Lung and Other KK-LC-1 Positive Epithelial Cancers

NCT05035407
View directory record Official record
Conditions
Kita-kyushu Lung Cancer Antigen 1, Human
Interventions
IL-2 (Aldesleukin), Cyclophosphamide, KK-LC-1 TCR, Fludarabine, EKG, CXR, CT, MRI, PET, Biopsy, Acetaminophen, Ondansetron, Meperidine, Indomethacin, Famotidine
Drug · Biological · Diagnostic Test + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 120 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 2, 2025 · Synced Oct 7, 2026, 3:06 AM EDT
Terminated Phase 2 Interventional

Initial Pain Management in Pediatric Pancreatitis: Opioid vs. Non-Opioid

NCT04291599
View directory record Official record
Conditions
Acute Pancreatitis
Interventions
Ketorolac, Opioid
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
Up to 21 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 8, 2026 · Synced Oct 7, 2026, 3:06 AM EDT
Completed No phase listed Observational

Behavioral Expressions in Alzheimer's Disease

NCT02719834
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Acetaminophen, Placebo
Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
65 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 2, 2018 · Synced Oct 7, 2026, 3:06 AM EDT
Completed Phase 1 Interventional

Patient Controlled Administration of Liquid Acetaminophen

NCT06498713
View directory record Official record
Conditions
Pain, Pain, Postoperative
Interventions
Acetaminophen 650 mg Oral Tablet, Acetaminophen 650mg Liquid, CADD pump
Drug · Device
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Oct 7, 2026, 3:06 AM EDT
Terminated Phase 4 Interventional Results available

Pain Control in Elderly Hip Fracture Patients: Is Intravenous Acetaminophen Superior to Oral Administration?

NCT02774148
View directory record Official record
Conditions
Hip Fracture
Interventions
IV Acetaminophen, PO Acetaminophen
Drug
Lead sponsor
Corewell Health West
Other
Eligibility
65 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Grand Rapids, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 28, 2023 · Synced Oct 7, 2026, 3:06 AM EDT
Completed Phase 2 Interventional Results available

Sunitinib or Cediranib for Alveolar Soft Part Sarcoma

NCT01391962
View directory record Official record
Conditions
Sarcoma, Alveolar Soft Part
Interventions
Cediranib, Sunitinib, Prochlorperazine, Promethazine, Benzodiazepine, Filgrastim, Sargramostim, Lomotil, Loperamide, Vitamin B6, Aquaphor, Acetaminophen, Levothyroxine, Warfarin
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
16 Years to 120 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 2, 2026 · Synced Oct 7, 2026, 3:06 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Controlled Trial to Determine Most Effective Post-Operative Analgesia After Third Molar Extraction

NCT06484439
View directory record Official record
Conditions
Pain, Post-operative, Third Molar, Oral Surgery, Pain, Acute
Interventions
Ketorolac, Oxycodone, Acetaminophen, Ibuprofen, Hydrocodone
Drug
Lead sponsor
United States Naval Medical Center, San Diego
Federal
Eligibility
18 Years to 44 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jul 10, 2024 · Synced Oct 7, 2026, 3:06 AM EDT