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ClinicalTrials.gov public records Last synced Oct 14, 2026, 2:16 PM EDT

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Showing 601–624 of 948 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Acetaminophen (Ofirmev) Clear all
Completed Phase 4 Interventional Results available

RCT (Randomized Controlled Trial) of IV Acetaminophen for Post Cesarean Pain Relief

NCT02046382
View directory record Official record
Conditions
Cesarean Section, Pain, Postoperative
Interventions
IV Acetaminophen, Placebo
Drug
Lead sponsor
TriHealth Inc.
Other
Eligibility
18 Years and older · Female only
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 16, 2018 · Synced Oct 14, 2026, 2:16 PM EDT
Active, not recruiting Phase 3 Interventional

A Study to Evaluate the Efficacy and Safety of Obinutuzumab in Participants With Systemic Lupus Erythematosus

NCT04963296
View directory record Official record
Conditions
Systemic Lupus Erythematosus
Interventions
Obinutuzumab, Placebo, Acetaminophen/Paracetamol, Diphenhydramine hydrochloride, Methylprednisolone
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 75 Years
Enrollment
303 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
14
States / cities
Anniston, Alabama • Searcy, Arkansas • Fullerton, California + 11 more
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Oct 14, 2026, 2:16 PM EDT
Terminated Phase 4 Interventional Results available

Acetaminophen Use in Labor - Does Use of Acetaminophen Reduce Neuraxial Analgesic Drug Requirement During Labor?

NCT02181387
View directory record Official record
Conditions
Pain
Interventions
Acetaminophen, Placebo
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 10, 2018 · Synced Oct 14, 2026, 2:16 PM EDT
Completed Not applicable Interventional Results available

Patient-Driven Analgesic Protocol Selection for Post-Cesarean Pain Management

NCT02605187
View directory record Official record
Conditions
Postoperative Pain
Interventions
No choice given, Choice given, Ibuprofen, Acetaminophen, Gabapentin, Morphine (low), Morphine (med), Morphine (high)
Other · Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Oct 16, 2018 · Synced Oct 14, 2026, 2:16 PM EDT
Completed Phase 3 Interventional Results available

Study Evaluating A Novel Ibuprofen Formulation In The Treatment Of Dental Pain

NCT01216163
View directory record Official record
Conditions
Pain
Interventions
Novel Ibuprofen, Acetaminophen, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
16 Years to 40 Years
Enrollment
218 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Aug 20, 2012 · Synced Oct 14, 2026, 2:16 PM EDT
Completed Phase 3 Interventional Results available

Ibuprofen/Acetaminophen Versus Nurofen Plus® and Panadeine® Extra Dental Pain Study

NCT01229449
View directory record Official record
Conditions
Post-operative Pain
Interventions
Ibuprofen/acetaminophen, Ibuprofen/acetaminophen (higher dose), Nurofen Plus®, Panadeine® Extra, Placebo
Drug
Lead sponsor
Reckitt Benckiser LLC
Industry
Eligibility
16 Years and older
Enrollment
678 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Sep 17, 2018 · Synced Oct 14, 2026, 2:16 PM EDT
Recruiting No phase listed Observational

Measuring Analgesic Interventions

NCT03794362
View directory record Official record
Conditions
Pain
Interventions
Not listed
Lead sponsor
Julia Finkel
Other
Eligibility
7 Years to 21 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Oct 14, 2026, 2:16 PM 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 14, 2026, 2:16 PM EDT
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 18, 2013 · Synced Oct 14, 2026, 2:16 PM EDT
Completed Phase 4 Interventional Results available

IV Acetaminophen for Postoperative Pain After Pelvic Organ Prolapse Repair

NCT02155738
View directory record Official record
Conditions
Pelvic Organ Prolapse
Interventions
IV Acetaminophen, IV normal saline
Drug
Lead sponsor
Halina M Zyczynski, MD
Other
Eligibility
18 Years and older · Female only
Enrollment
204 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 19, 2018 · Synced Oct 14, 2026, 2:16 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Understanding Patient's Knowledge and Use of Acetaminophen

NCT00823758
View directory record Official record
Conditions
Liver Failure
Interventions
Focus Groups, Personal Interviews
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
13 Years and older
Enrollment
124 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2020
U.S. locations
4
States / cities
Philadelphia, Pennsylvania • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 27, 2020 · Synced Oct 14, 2026, 2:16 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Multimodal Pain Management for Cesarean Delivery

NCT02922985
View directory record Official record
Conditions
Pain
Interventions
Intravenous acetominophen, Ketorolac, intramuscular, Bupivacaine, subcutaneous, Normal saline
Drug
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 6, 2021 · Synced Oct 14, 2026, 2:16 PM EDT
Recruiting Phase 4 Interventional

Low-Dose Short-Term Ketorolac to Reduce Chronic Opioid Use in Orthopaedic Polytrauma Patients

NCT06201676
View directory record Official record
Conditions
Orthopaedic Trauma, Chronic Opioid Use
Interventions
Ketorolac Injection, Standard of Care (SOC) Multimodal Analgesia
Drug · Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
458 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
2
States / cities
Boston, Massachusetts • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Oct 14, 2026, 2:16 PM EDT
Completed Phase 2 Interventional Results available

Early Treatment Versus Delayed Conservative Treatment of the Patent Ductus Arteriosus

NCT01958320
View directory record Official record
Conditions
Patent Ductus Arteriosus, Surgery, Necrotizing Enterocolitis, Intestinal Perforation
Interventions
pharmacologic treatment of the PDA, no pharmacologic treatment of the PDA, NSAID
Other · Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
5 Days to 14 Days
Enrollment
202 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
13
States / cities
San Diego, California • San Francisco, California • San Jose, California + 9 more
Source: ClinicalTrials.gov public record
Updated Nov 30, 2018 · Synced Oct 14, 2026, 2:16 PM EDT
Completed Phase 1 Interventional

TAA-Specific CTLS for Solid Tumors (TACTASOM)

NCT02239861
View directory record Official record
Conditions
Rhabdomyosarcoma
Interventions
TAA-Specific CTLs
Biological
Lead sponsor
Baylor College of Medicine
Other
Eligibility
2 Years to 80 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 12, 2022 · Synced Oct 14, 2026, 2:16 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Effect of Over-the-counter Analgesics on Postoperative Pain

NCT06948513
View directory record Official record
Conditions
Pain Management
Interventions
Naproxen, Acetaminophen (Standard of Care), ibuprofen
Drug
Lead sponsor
Zitelli & Brodland Skin Cancer Center
Other
Eligibility
Not listed
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Clairton, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 29, 2025 · Synced Oct 14, 2026, 2:16 PM EDT
Completed Not applicable Interventional Results available

Preventing Persistent Post-Surgical Pain and Opioid Use In At-Risk Veterans: Effect of ACT

NCT02437188
View directory record Official record
Conditions
Persistent Post-surgical Pain, Acceptance and Commitment Therapy, Substance Use Disorder
Interventions
ACT (Acceptance and Commitment Therapy)
Behavioral
Lead sponsor
Barbara A Rakel
Other
Eligibility
18 Years and older
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Aug 1, 2019 · Synced Oct 14, 2026, 2:16 PM EDT
Terminated Phase 3 Interventional

Acetaminophen vs Placebo in the Pre-operative Setting and Outcomes on Post-operative Pain, Nausea and Vomiting

NCT02102555
View directory record Official record
Conditions
Post Operative Pain, Post Operative Nausea and Vomiting
Interventions
IV acetaminophen, placebo
Drug
Lead sponsor
MercyOne Des Moines Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Des Moines, Iowa
Source: ClinicalTrials.gov public record
Updated Jan 14, 2020 · Synced Oct 14, 2026, 2:16 PM EDT
Terminated Phase 2 Interventional Results available

Elotuzumab in Immunoglobulin G4-Related Disease (IgG4-RD)

NCT04918147
View directory record Official record
Conditions
IgG4 Related Disease, IgG4-RD
Interventions
elotuzumab, placebo for elotuzumab, methylprednisolone, diphenhydramine, acetaminophen, famotidine, prednisone
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 70 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
3
States / cities
Atlanta, Georgia • Boston, Massachusetts • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Oct 14, 2026, 2:16 PM EDT
Completed Phase 1 Interventional Results available

CD19/CD22 Chimeric Antigen Receptor (CAR) T Cells in Children and Young Adults With Recurrent or Refractory CD19/CD22-expressing B Cell Malignancies

NCT03448393
View directory record Official record
Conditions
Lymphoma, Non-Hodgkin, Leukemia, Lymphocytic, B Cell, B-Cell Lymphoma, B-Cell Leukemia, Acute Lymphoid Leukemia, B-Non Hodgkin Lymphoma, B-NHL, B-All, Acute Lymphoblastic Leukemia, Acute Lymphocytic Leukemia
Interventions
CD19/CD22 CAR T-Cells, Fludarabine, Cyclophosphamide, Apheresis, Anti-emetic, Diphenhydramine, Acetaminophen, ECG, ECHO, MRI Brain, Bone marrow biopsy, Cardiac MRI
Biological · Drug · Procedure + 2 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
3 Years to 39 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 4, 2025 · Synced Oct 14, 2026, 2:16 PM EDT
Completed Phase 2 Interventional Results available

Acetaminophen and Ascorbate in Sepsis: Targeted Therapy to Enhance Recovery

NCT04291508
View directory record Official record
Conditions
Acute Respiratory Distress Syndrome, Critical Illness, Respiratory Failure, Sepsis
Interventions
Intravenous Acetaminophen (room temperature), Intravenous Vitamin C (refrigerated), 5% Dextrose (room temperature), 5% Dextrose refrigerated
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
488 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
41
States / cities
Birmingham, Alabama • Tucson, Arizona • Fresno, California + 34 more
Source: ClinicalTrials.gov public record
Updated Sep 27, 2024 · Synced Oct 14, 2026, 2:16 PM EDT
Not listed Phase 2Phase 3 Interventional Accepts healthy volunteers

Efficacy of Steroids on Functional Outcomes After Musculoskeletal Injuries of the Hand

NCT05003596
View directory record Official record
Conditions
Hand Injuries, Finger Injuries
Interventions
Methylprednisolone Tablet, Standard Mobilization Treatment
Drug · Other
Lead sponsor
Robert Wood Johnson Barnabas Health
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
2
States / cities
Brick, New Jersey • Somerset, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 12, 2021 · Synced Oct 14, 2026, 2:16 PM EDT
Completed Phase 4 Interventional Results available

TAP vs Surgical Infiltration of Local Anesthetic in Laparoscopic and Robotic Hysterectomy

NCT02519023
View directory record Official record
Conditions
Acute Pain
Interventions
Liposomal Bupivacaine, Bupivacaine, Ultrasound, Epinephrine, acetaminophen, ibuprofen, Oxycodone
Drug · Device
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older · Female only
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 8, 2019 · Synced Oct 14, 2026, 2:16 PM EDT