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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Acetaminophen Alone Clear all
Completed Phase 4 Interventional Results available

Acetaminophen (APAP) +/- Oxycodone

NCT04122443
View directory record Official record
Conditions
Musculoskeletal Pain
Interventions
Acetaminophen, Oxycodone
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
393 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Feb 27, 2024 · Synced Sep 24, 2026, 6:46 AM EDT
Completed Phase 3 Interventional

A Study of an Acetaminophen/Naproxen Sodium Fixed Combination, Acetaminophen and Naproxen Sodium in Postoperative Dental Pain

NCT05761574
View directory record Official record
Conditions
Pain
Interventions
Acetaminophen/Naproxen Sodium Fixed Combination, Naproxen Sodium, Acetaminophen, Placebo
Drug
Lead sponsor
Johnson & Johnson Consumer Inc. (J&JCI)
Industry
Eligibility
16 Years to 50 Years
Enrollment
447 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jul 1, 2025 · Synced Sep 24, 2026, 6:46 AM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Acetaminophen and Aspirin Versus Placebo in the Acute Treatment of Migraine

NCT01973205
View directory record Official record
Conditions
Acute Migraine
Interventions
Acetaminophen 250 mg and Aspirin 250 mg, Placebo
Drug
Lead sponsor
Novartis
Industry
Eligibility
18 Years and older
Enrollment
900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
19
States / cities
Birmingham, Alabama • Anaheim, California • San Francisco, California + 16 more
Source: ClinicalTrials.gov public record
Updated Jun 10, 2015 · Synced Sep 24, 2026, 6:46 AM EDT
Completed Phase 2 Interventional Results available

Safety in Immunomodulatory Functions of Alemtuzumab (Campath) in Pediatric Kidney Transplantation Recipients

NCT00240994
View directory record Official record
Conditions
Kidney Failure, Chronic, Kidney Transplantation, Immunosuppression
Interventions
Alemtuzumab, Tacrolimus, Mycophenolate mofetil, Sirolimus
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
1 Year to 20 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
4
States / cities
San Francisco, California • Boston, Massachusetts • Philadelphia, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 1, 2017 · Synced Sep 24, 2026, 6:46 AM 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 17, 2026 · Synced Sep 24, 2026, 6:46 AM EDT
Completed Phase 4 Interventional

A Trial of the Cost Effectiveness of IV Acetaminophen in Bariatric Surgery

NCT02233400
View directory record Official record
Conditions
Hospital Costs, Length of Stay, Postoperative Pain Score, Patient Satisfaction
Interventions
Acetaminophen
Drug
Lead sponsor
St. Luke's Hospital and Health Network, Pennsylvania
Other
Eligibility
18 Years to 80 Years
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
2
States / cities
Allentown, Pennsylvania • Bethlehem, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 7, 2014 · Synced Sep 24, 2026, 6:46 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Acetaminophen for Fetal Tachycardia: a Randomized Pilot Trial

NCT00377832
View directory record Official record
Conditions
Fever, Heart Rate, Fetal (FHR)
Interventions
Acetaminophen 975 mg
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Flushing, New York
Source: ClinicalTrials.gov public record
Updated Sep 15, 2013 · Synced Sep 24, 2026, 6:46 AM EDT
Withdrawn Phase 4 Interventional

Suboxone User Perioperative Early Referral and Enhanced Recovery After Surgery- Orthopaedic Trauma Surgery Population

NCT04464512
View directory record Official record
Conditions
Addiction Opiate, Chronic Pain, Fractures, Bone, Buprenorphine Dependence
Interventions
Sufentanil
Drug
Lead sponsor
West Virginia University
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Dec 11, 2022 · Synced Sep 24, 2026, 6:46 AM EDT
Terminated Phase 2 Interventional Results available

Randomized Controlled Trial to Evaluate the Safety and Efficacy of Acetaminophen in Preterm Infants Used in Combination With Ibuprofen for Closure of the Ductus Arteriosus

NCT03701074
View directory record Official record
Conditions
Patent Ductus Arteriosus, Preterm Infant, Bronchopulmonary Dysplasia
Interventions
Ibuprofen and acetaminophen, Ibuprofen and placebo
Drug
Lead sponsor
University of South Alabama
Other
Eligibility
5 Days to 21 Days
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Mobile, Alabama
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Sep 24, 2026, 6:46 AM EDT
Terminated Phase 4 Interventional Results available

Prochlorperazine Versus Acetaminophen, Aspirin, and Caffeine for the Treatment of Acute Migraine

NCT01629329
View directory record Official record
Conditions
Migraine Headaches
Interventions
Aspirin, Acetaminophen, Caffeine pills, Prochlorperazine 10mg
Drug
Lead sponsor
Albert Einstein Healthcare Network
Other
Eligibility
18 Years to 65 Years
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 17, 2020 · Synced Sep 24, 2026, 6:46 AM EDT
Completed Phase 2 Interventional Results available

A Dental Pain Study to Test the Effectiveness of a New Pain Reliever Medicine

NCT02209181
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 2, 2017 · Synced Sep 24, 2026, 6:46 AM EDT
Terminated Phase 3 Interventional Results available

A Study to Evaluate the Safety of Rituximab Retreatment in Subjects With Systemic Lupus Erythematosus

NCT00381810
View directory record Official record
Conditions
Lupus Erythematosus, Systemic
Interventions
Rituximab, Methylprednisolone, Acetaminophen, Diphenhydramine
Drug
Lead sponsor
Genentech, Inc.
Industry
Eligibility
16 Years to 75 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
11
States / cities
Paradise Valley, Arizona • San Leandro, California • Boise, Idaho + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 31, 2017 · Synced Sep 24, 2026, 6:46 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Does Altering Narcotic Prescription Methods Affect Opioid Distribution Following Select Upper Extremity Surgeries?

NCT03570320
View directory record Official record
Conditions
Opioid Use
Interventions
Modification of opioid prescription method
Other
Lead sponsor
John Yanik
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Mar 23, 2020 · Synced Sep 24, 2026, 6:46 AM EDT
Completed Phase 4 Interventional Results available

Acetaminophen or Fluvastatin Compared to Placebo on the Transient Post-Dose Symptoms (PDS) Following an Intravenous (i.v.) Infusion of a Single Dose of Zoledronic Acid 5mg, in Post-menopausal Women With Low Bone Mass

NCT00489424
View directory record Official record
Conditions
Osteoporosis
Interventions
Placebo, Acetaminophen, Fluvastatin
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
45 Years to 79 Years · Female only
Enrollment
793 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
1
States / cities
Http://www.osteoporosisclinicalresearch.com, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 17, 2011 · Synced Sep 24, 2026, 6:46 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Peripheral Nerve Blocks in Pediatric Orthopedic Patients

NCT02236130
View directory record Official record
Conditions
Pediatric Extremity Fracture, Pediatric Extremity Soft Tissue Injury
Interventions
Regional block, General Anesthesia, Local Anesthetic Ropivacaine, Opioids Morphine, Oral pain medication Acetaminophen with Hydrocodone
Procedure · Drug
Lead sponsor
University of Mississippi Medical Center
Other
Eligibility
6 Years to 17 Years
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Jackson, Mississippi
Source: ClinicalTrials.gov public record
Updated Feb 12, 2017 · Synced Sep 24, 2026, 6:46 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effects of Oxybutynin Topical Gel on Gastric Emptying

NCT00926926
View directory record Official record
Conditions
Healthy
Interventions
Oxybutynin Chloride Gel, Placebo Gel
Drug
Lead sponsor
Watson Pharmaceuticals
Industry
Eligibility
18 Years and older · Female only
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Saint Charles, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 7, 2012 · Synced Sep 24, 2026, 6:46 AM EDT
Completed Phase 3 Interventional

Study of Acetaminophen (ACM) in Post-operative Dental Pain

NCT02735122
View directory record Official record
Conditions
Post Operative Dental Pain
Interventions
acetaminophen Tablet, acetaminophen Caplet, ibuprofen Liquid-filled capsule, Placebo Tablet, Placebo Caplet, Placebo Liquid-filled capsule
Drug
Lead sponsor
Johnson & Johnson Consumer Inc., McNeil Consumer Healthcare Division
Industry
Eligibility
17 Years to 50 Years
Enrollment
420 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Sep 27, 2022 · Synced Sep 24, 2026, 6:46 AM EDT
Terminated Phase 2 Interventional Results available

Nutritional Adequacy Therapeutic Enhancement in the Critically Ill. The NUTRIATE Study

NCT01934192
View directory record Official record
Conditions
Gastroparesis
Interventions
GSK962040 50 mg, Metoclopramide 10 mg, Placebo NG, Placebo IV
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 85 Years
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
4
States / cities
Aurora, Colorado • Augusta, Georgia • Louisville, Kentucky + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 10, 2017 · Synced Sep 24, 2026, 6:46 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Preemptive Analgesia With Celecoxib for Acute Dental Pain Management

NCT04790812
View directory record Official record
Conditions
Pain, Postoperative
Interventions
Celecoxib, Acetaminophen, Placebo
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 45 Years
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 26, 2024 · Synced Sep 24, 2026, 6:46 AM EDT
Completed Phase 1 Interventional Results available

Durvalumab and Vicineum in Subjects With High-Grade Non-Muscle-Invasive Bladder Cancer Previously Treated With Bacillus Calmette-Guerin (BCG)

NCT03258593
View directory record Official record
Conditions
Urinary Bladder Neoplasms
Interventions
Durvalumab, Vicineum, Acetaminophen, Antihistamine, Bladder Biopsy, TURBT, Cystoscopy, Urine cytology, Electrocardiogram, CT, MRI
Drug · Procedure · Diagnostic Test
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Sep 24, 2026, 6:46 AM EDT
Completed Not applicable Interventional

Postoperative Pain Management Following Robotic Assisted Sacrocolpopexy

NCT06309693
View directory record Official record
Conditions
Pelvic Organ Prolapse, Post Operative Pain
Interventions
Quadratus Lumborum (QL) Block, Enhanced Recovery After Surgical (ERAS) Protocol
Procedure
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older · Female only
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jan 11, 2026 · Synced Sep 24, 2026, 6:46 AM EDT
Terminated Phase 2 Interventional

A Phase II Study of Vibecotamab (XmAb14045) for MRD- Positive AML and MDS After Hypomethylating Agent Failure

NCT05285813
View directory record Official record
Conditions
AML, MDS
Interventions
Vibecotamab, Dexamethasone, Acetaminophen, Diphenhydramine
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Sep 24, 2026, 6:46 AM EDT
Completed Phase 4 Interventional Results available

Treatment of Acute Sinusitis

NCT00377403
View directory record Official record
Conditions
Acute Respiratory Infections, Acute Rhinosinusitis
Interventions
Acetaminophen, Amoxicillin, Dextromethorphan hydrobromide with guaifenesin, Guaifenesin, Pseudoephedrine Sustained Action, Saline spray (0.65%)
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 70 Years
Enrollment
172 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 27, 2012 · Synced Sep 24, 2026, 6:46 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety, Tolerability, Pharmacokinetic and Pharmacodynamic Study of MBX 1416 in Healthy Subjects

NCT06036784
View directory record Official record
Conditions
Postbariatric Hypoglycemia
Interventions
MBX 1416 (Part A), MBX 1416 (Part B), Placebo, MBX 1416 (Part C)
Drug
Lead sponsor
MBX Biosciences
Industry
Eligibility
18 Years to 65 Years
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Chula Vista, California
Source: ClinicalTrials.gov public record
Updated Dec 11, 2024 · Synced Sep 24, 2026, 6:46 AM EDT