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ClinicalTrials.gov public records Last synced Oct 19, 2026, 4:20 PM EDT

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Showing 121–144 of 948 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: acetaminophen Clear all
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Ibuprofen and Acetaminophen Versus Ibuprofen and Acetaminophen Plus Hydrocodone for Analgesia After Cesarean Section

NCT03372382
View directory record Official record
Conditions
Opioid Use, Pain, Postoperative
Interventions
Ibuprofen, Acetaminophen, Norco
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
170 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 2, 2019 · Synced Oct 19, 2026, 4:20 PM EDT
Completed Phase 1 Interventional

Epidural Analgesia Use in Pancreatic Resections

NCT02681796
View directory record Official record
Conditions
Cancer of Pancreas, Cancer of the Pancreas, Pancreas Cancer, Pancreas Neoplasms, Pancreatic Cancer
Interventions
Bupivacaine
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 12, 2020 · Synced Oct 19, 2026, 4:20 PM EDT
Terminated Early Phase 1 Interventional Accepts healthy volunteers

Pain Management Following Sinus Surgery

NCT03822962
View directory record Official record
Conditions
Nasal Sinus; Inflammation, Opioid Abuse, Pain, Postoperative
Interventions
Ibuprofen 600Mg Tablet, Standard Regimen | Tylenol
Drug · Other
Lead sponsor
University of Nebraska
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
2
States / cities
Omaha, Nebraska • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 6, 2023 · Synced Oct 19, 2026, 4:20 PM EDT
Completed Not applicable Interventional Results available

Comparing Effectiveness of IV vs Oral Acetaminophen Given Perioperatively for Lap Choles for Pain Control,

NCT01823224
View directory record Official record
Conditions
Laparoscopic Cholecystectomy
Interventions
2 capsules Oral Tylenol 2000 mg and IV "salt water", IV tylenol 1000mg and 2 oral capsule "sugar pills"
Drug
Lead sponsor
Defense and Veterans Center for Integrative Pain Management
Other
Eligibility
18 Years and older
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Fort Bragg, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 6, 2016 · Synced Oct 19, 2026, 4:20 PM EDT
Completed Phase 3 Interventional Results available

Randomized, Double-Blind, Single-Dose, Efficacy and Safety Study of Test Acetaminophen Tablet in Postoperative Dental Pain

NCT03224403
View directory record Official record
Conditions
Post-operative Dental Pain
Interventions
Test acetaminophen, Commercial acetaminophen, Commercial ibuprofen, Placebo
Drug
Lead sponsor
Johnson & Johnson Consumer Inc., McNeil Consumer Healthcare Division
Industry
Eligibility
17 Years to 50 Years
Enrollment
664 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 15, 2021 · Synced Oct 19, 2026, 4:20 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Osteopathic Manipulative Treatment in the Third Trimester of Pregnancy

NCT06570395
View directory record Official record
Conditions
Pregnancy, Osteopathic Manipulative Treatment (OMT)
Interventions
Osteopathic Manipulative Treatment
Procedure
Lead sponsor
Corewell Health South
Other
Eligibility
18 Years to 34 Years · Female only
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Saint Joseph, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 23, 2026 · Synced Oct 19, 2026, 4:20 PM EDT
Completed Phase 4 Interventional Results available

Muscle Relaxation for Pediatric Adenotonsillectomy

NCT06225466
View directory record Official record
Conditions
Tonsillectomy
Interventions
Rocuronium, Sugammadex, Anesthesia without neuromuscular blockade
Drug · Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
2 Years to 12 Years
Enrollment
172 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jul 28, 2025 · Synced Oct 19, 2026, 4:20 PM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

A Study to Learn About the Effect of Study Medicine Called PF-08653944 on How Quickly the Stomach Empties Its Content in Healthy Adults With Overweight or Obesity

NCT07508241
View directory record Official record
Conditions
Obesity, Overweight and/or Obesity, Overweight, Drug Interaction
Interventions
PF-08653944, Acetaminophen
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Oct 19, 2026, 4:20 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Optimizing Pain Control in Transurethral Resection of the Prostate

NCT04102566
View directory record Official record
Conditions
Pain, BPH With Urinary Obstruction, BPH With Urinary Obstruction With Other Lower Urinary Tract Symptoms
Interventions
Ibuprofen 600 mg, Education
Drug · Behavioral
Lead sponsor
Benaroya Research Institute
Other
Eligibility
18 Years and older · Male only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 27, 2019 · Synced Oct 19, 2026, 4:20 PM EDT
Completed Not applicable Interventional Results available

The Impact of IV Acetaminophen on Pain After Appendectomy for Perforated Appendicitis

NCT02881996
View directory record Official record
Conditions
Perforated Appendicitis
Interventions
IV tylenol, No IV tylenol, Ketorolac
Drug
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
2 Years to 17 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 12, 2021 · Synced Oct 19, 2026, 4:20 PM EDT
Completed Early Phase 1 Interventional

Systemic Normothermia in Intracerebral Hemorrhage (ICH)

NCT02078037
View directory record Official record
Conditions
Intracerebral Hemorrhage
Interventions
Arctic Sun cooling device, Standard of Care
Device · Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 85 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 10, 2017 · Synced Oct 19, 2026, 4:20 PM EDT
Completed Not applicable Interventional Results available

Feasibility Study: fMRI Evaluation of Auricular PENFS for Fibromyalgia

NCT03008837
View directory record Official record
Conditions
Fibromyalgia
Interventions
Military Field Stimulator, Standard Therapy
Device · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
20 Years to 60 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 27, 2020 · Synced Oct 19, 2026, 4:20 PM EDT
Completed No phase listed Observational

Serratus Anterior Plane Block for Improving Pain and Respiratory Function in Patients With Multiple Rib Fractures

NCT04311827
View directory record Official record
Conditions
Rib Fracture Multiple
Interventions
Serratus Anterior Plane Block
Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Aug 25, 2022 · Synced Oct 19, 2026, 4:20 PM EDT
Active, not recruiting Phase 3 Interventional

Sacituzumab Tirumotecan (MK-2870) Versus Chemotherapy in Previously Treated Advanced or Metastatic Nonsquamous Non-small Cell Lung Cancer (NSCLC) With EGFR Mutations or Other Genomic Alterations (MK-2870-004)

NCT06074588
View directory record Official record
Conditions
Non-small Cell Lung Cancer (NSCLC)
Interventions
Sacituzumab tirumotecan, Docetaxel, Pemetrexed
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
556 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2030
U.S. locations
16
States / cities
Los Angeles, California • Jacksonville, Florida • Orange City, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Aug 14, 2026 · Synced Oct 19, 2026, 4:20 PM EDT
Completed No phase listed Observational

Treatment of APAP Toxicity With IV and Oral NAC 2008-2011

NCT01465542
View directory record Official record
Conditions
Acetaminophen Toxicity
Interventions
Not listed
Lead sponsor
Akron Children's Hospital
Other
Eligibility
1 Month to 21 Years
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Akron, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 25, 2023 · Synced Oct 19, 2026, 4:20 PM EDT
Active, not recruiting Phase 3 Interventional Results available

A Study to Evaluate the Efficacy and Safety of Obinutuzumab in Participants With ISN/RPS 2003 Class III or IV Lupus Nephritis

NCT04221477
View directory record Official record
Conditions
Lupus Nephritis
Interventions
Obinutuzumab, MMF, Prednisone, Placebo, Methylprednisolone, Acetaminophen, Diphenhydramine
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 75 Years
Enrollment
271 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2031
U.S. locations
18
States / cities
Birmingham, Alabama • Beverly Hills, California • Fontana, California + 14 more
Source: ClinicalTrials.gov public record
Updated Oct 19, 2026 · Synced Oct 19, 2026, 4:20 PM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers

Rectal Acetaminophen Use During Oocyte Retrievals to Reduce Post-Operative Opioid Utilization

NCT03732469
View directory record Official record
Conditions
Opioid Use
Interventions
Acetaminophen, Fentanyl, Propofol
Drug
Lead sponsor
University of South Florida
Other
Eligibility
18 Years to 56 Years · Female only
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jun 18, 2021 · Synced Oct 19, 2026, 4:20 PM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Postpartum NSAIDS and Maternal Hypertension

NCT03824119
View directory record Official record
Conditions
Preeclampsia, Gestational Hypertension, Superimposed Preeclampsia, Chronic Hypertension in Obstetric Context
Interventions
Ibuprofen 600 mg, Standard Postpartum Care without NSAIDs
Drug · Other
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older · Female only
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 6, 2020 · Synced Oct 19, 2026, 4:20 PM EDT
Withdrawn Phase 4 Interventional

Randomized Trial of Two Analgesics in Elderly ED Patients

NCT02703610
View directory record Official record
Conditions
Pain
Interventions
Oxycodone/acetaminophen, Ibuprofen/acetaminophen
Drug
Lead sponsor
Albany Medical College
Other
Eligibility
65 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Albany, New York
Source: ClinicalTrials.gov public record
Updated Sep 21, 2023 · Synced Oct 19, 2026, 4:20 PM EDT
Completed Not applicable Interventional Results available

Effect of Ibuprofen on Postoperative Opiate Medication Use and Shoulder Functional Outcomes

NCT02588027
View directory record Official record
Conditions
Rotator Cuff Tear Arthropathy
Interventions
Ibuprofen, Placebo
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 6, 2024 · Synced Oct 19, 2026, 4:20 PM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Ibuprofen Plus Acetaminophen for Enhanced Pain Reduction

NCT04630834
View directory record Official record
Conditions
Pain, Acute
Interventions
Ibuprofen, Acetaminophen, Placebo
Drug
Lead sponsor
New York City Health and Hospitals Corporation
Other
Eligibility
3 Years to 20 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Apr 14, 2022 · Synced Oct 19, 2026, 4:20 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Acetaminophen Before Vaccines for Infants Study (AVIS)

NCT00325819
View directory record Official record
Conditions
Fever
Interventions
Acetaminophen, placebo
Drug · Other
Lead sponsor
Kaiser Permanente
Other
Eligibility
6 Weeks to 9 Months
Enrollment
374 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 13, 2017 · Synced Oct 19, 2026, 4:20 PM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

A Comparison of Plasma Concentrations of Hydrocodone and Acetaminophen After Administration of Different Amounts of Tablets of a New and a Marketed Tablet Formulation in Healthy Adults

NCT03137030
View directory record Official record
Conditions
Opioid-Related Disorders, Pain, Acute, Pain, Postoperative
Interventions
GRT7014 - Abuse Deterrend Tablet, Norco 5Mg-325Mg Tablet
Drug
Lead sponsor
Grünenthal GmbH
Industry
Eligibility
18 Years to 55 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Jul 21, 2017 · Synced Oct 19, 2026, 4:20 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Local Anesthesia and Analgesics in Endodontic Pain

NCT01982799
View directory record Official record
Conditions
Odontalgia
Interventions
Oral placebo, Oral ibuprofen, oral naproxen, oral acetaminophen/hydrocodone + ibuprofen
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 3, 2016 · Synced Oct 19, 2026, 4:20 PM EDT