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ClinicalTrials.gov public records Last synced Oct 12, 2026, 11:41 AM EDT

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Showing 121–144 of 239 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Acetaminophen (Tylenol extra strength) Clear all
Terminated Phase 4 Interventional

Pain Control After Minimally Invasive Coronary Artery Bypass Grafting

NCT01770236
View directory record Official record
Conditions
Postoperative Pain, Medication Side Effects, Narcotic Requirement
Interventions
IV acetaminophen
Drug
Lead sponsor
Gundersen Lutheran Medical Foundation
Other
Eligibility
18 Years to 90 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
La Crosse, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 21, 2016 · Synced Oct 12, 2026, 11:41 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effect of Race/Ethnicity and Genes on Acetaminophen Pharmacokinetics

NCT00768716
View directory record Official record
Conditions
Pain, Fever, Hepatotoxicity
Interventions
Acetaminophen
Drug
Lead sponsor
Tufts University
Other
Eligibility
18 Years to 64 Years
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 23, 2019 · Synced Oct 12, 2026, 11:41 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

FDM for Subacute and Chronic Extremity Pain in the ED

NCT04555239
View directory record Official record
Conditions
Myofascial Pain, Chronic Pain, Extremities Disorders, Osteopathic Manipulation
Interventions
Fascial Distortion Model (FDM), Standard Care
Procedure · Other
Lead sponsor
Carilion Clinic
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
4
States / cities
Christiansburg, Virginia • Lexington, Virginia • Roanoke, Virginia + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 4, 2022 · Synced Oct 12, 2026, 11:41 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Phase I/II Study of Immunotherapy Combination BN-Brachyury Vaccine, M7824, N-803 and Epacadostat (QuEST1)

NCT03493945
View directory record Official record
Conditions
Metastatic Castration-resistant Prostate Cancer, Prostate Cancer, Prostate Neoplasm, Advanced Solid Tumor, Solid Tumor, Non-metastatic Castration-resistant Prostate Cancer
Interventions
M7824, N-803, MVA-BN-Brachyury, FPV-Brachyury, Epacadostat, Acetaminophen, Ibuprofen, Naproxen, Benadryl, EKG, Bone scan, CT chest, abdomen and pelvis, MRI
Biological · Drug · Other + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 120 Years
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 30, 2025 · Synced Oct 12, 2026, 11:41 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

NSAID Use in Postpartum Hypertensive Women

NCT02902172
View directory record Official record
Conditions
Hypertension
Interventions
Acetaminophen, NSAID
Drug
Lead sponsor
St. Louis University
Other
Eligibility
14 Years to 50 Years · Female only
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 31, 2018 · Synced Oct 12, 2026, 11:41 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 12, 2026, 11:41 AM EDT
Withdrawn Phase 2 Interventional

Ibuprofen Versus Acetaminophen for Treatment of Mild Traumatic Brain Injury

NCT02443142
View directory record Official record
Conditions
Brain Concussion
Interventions
Ibuprofen, Acetaminophen
Drug
Lead sponsor
Northwestern University
Other
Eligibility
21 Years to 60 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 13, 2020 · Synced Oct 12, 2026, 11:41 AM EDT
Not listed Not applicable Interventional

PDA Occlusion Using NIRS

NCT06359522
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 11, 2024 · Synced Oct 12, 2026, 11:41 AM EDT
Completed No phase listed Observational

Opiate Free Multimodal Pain Pathway in Elective Foot and Ankle Surgery: A Prospective Study

NCT04771741
View directory record Official record
Conditions
Bunion of Unspecified Foot, Bunionette of Unspecified Foot, Hammertoe, Ankle Fractures, Achilles Tendon Surgery
Interventions
Acetominophen, Toradol, Meloxicam, Cyclobenzaprine, Lyrica
Drug
Lead sponsor
Prisma Health-Midlands
Other
Eligibility
18 Years to 99 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 27, 2023 · Synced Oct 12, 2026, 11:41 AM EDT
Withdrawn Phase 2 Interventional

Efficacy of Acetaminophen in Posterior Fossa Surgery

NCT02532322
View directory record Official record
Conditions
Arnold-Chiari Malformation, Posterior Fossa Tumors
Interventions
IV acetaminophen, normal saline
Drug
Lead sponsor
Children's National Research Institute
Other
Eligibility
2 Years to 12 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Apr 8, 2021 · Synced Oct 12, 2026, 11:41 AM EDT
Not listed Phase 4 Interventional

Evaluating the Use of Prednisone to Decrease Pegylated Interferon Beta-1a Side Effects

NCT03424733
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Plegridy, Prednisone, Tylenol Pill
Drug
Lead sponsor
Holy Name Medical Center, Inc.
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Teaneck, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 15, 2019 · Synced Oct 12, 2026, 11:41 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Acetaminophen Adduct Formation in Non-Drinkers Taking Therapeutic Doses of Acetaminophen for Ten Consecutive Days

NCT00616018
View directory record Official record
Conditions
Drug Induced Liver Injury
Interventions
acetaminophen
Drug
Lead sponsor
Kennon Heard
Other
Eligibility
21 Years and older
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 12, 2012 · Synced Oct 12, 2026, 11:41 AM EDT
Terminated Phase 4 Interventional Results available

Effect of NSAID Use on Pain and Opioid Consumption Following Distal Radius Fracture

NCT03749616
View directory record Official record
Conditions
Distal Radius Fracture
Interventions
Ibuprofen, Acetaminophen
Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 5, 2024 · Synced Oct 12, 2026, 11:41 AM EDT
Terminated No phase listed Observational

Long Term Function Outcomes and Pain in Implant-based Post-mastectomy Breast Reconstruction

NCT04477538
View directory record Official record
Conditions
Post-mastectomy Breast Reconstruction
Interventions
Post-mastectomy breast reconstruction physical well-being survey
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 5, 2024 · Synced Oct 12, 2026, 11:41 AM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers Results available

Opioid-Free Pain Protocol After Shoulder Arthroplasty

NCT05488847
View directory record Official record
Conditions
Shoulder Arthropathy, Shoulder Pain
Interventions
Celecoxib, Pregabalin, Tramadol, Dexamethasone, Acetaminophen, Ropivicaine, Epinephrine, Ketorolac, Tizanidine, Magnesium, Ibuprofen, Oxycodone Hydrochloride 5 Mg
Drug
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older
Enrollment
83 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 10, 2026 · Synced Oct 12, 2026, 11:41 AM EDT
Enrolling by invitation Phase 3 Interventional

Reduce Opiate Exposure With ACL Surgery

NCT06561035
View directory record Official record
Conditions
Anterior Cruciate Ligament Injuries
Interventions
Opiate Sparing, Opiate Based
Drug
Lead sponsor
Campbell Clinic
Other
Eligibility
14 Years to 85 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
3
States / cities
Skokie, Illinois • Cincinnati, Ohio • Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 15, 2026 · Synced Oct 12, 2026, 11:41 AM EDT
Completed Phase 3 Interventional Results available

Transversus Abdominis Plane Block in Microsurgical Breast Recon w/Abdominal Free Flap in Breast CA

NCT02601027
View directory record Official record
Conditions
Breast - Female
Interventions
Transversus Abdominis Plane (TAP) block, Nimbus Infusion Pump IV Administration, Bupivacaine infusion, Acetominophen, Hydromorphone, Oxycodone, Ondansetron
Procedure · Device · Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Sep 23, 2021 · Synced Oct 12, 2026, 11:41 AM EDT
Completed Phase 2 Interventional

Acetaminophen and Social Processes

NCT02108990
View directory record Official record
Conditions
Borderline Personality Disorder
Interventions
Acetaminophen
Drug
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 4, 2024 · Synced Oct 12, 2026, 11:41 AM EDT
Not yet recruiting Phase 3 Interventional

An Artificial Intelligence Driven Approach to Optimize Patient Selection for a Transitional Pain Service

NCT07296770
View directory record Official record
Conditions
Postsurgical Pain Management, Postsurgical Pain, Chronic, Opioid Use After Surgery
Interventions
TPS-Select, Pharmacologic Pain Management, Interventional Pain Procedures, Psychological Management and Pain Education, Physical Therapy
Device · Drug · Procedure + 1 more
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
474 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 9, 2026 · Synced Oct 12, 2026, 11:41 AM EDT
Withdrawn Phase 4 Interventional

APAP-CYS Protein Adduct Concentrations in Patients With Liver-Directed Therapy Intended to Treat Hepatic Tumors

NCT02911961
View directory record Official record
Conditions
Acetaminophen Exposure
Interventions
Acetaminophen
Drug
Lead sponsor
Denver Health and Hospital Authority
Other
Eligibility
21 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 2, 2021 · Synced Oct 12, 2026, 11:41 AM EDT
Recruiting Phase 4 Interventional

Evaluating Premedication Regimens (Methylprednisolone vs Dexamethasone-based) for the Prevention of Systemic and Injection Site Reactions to Motixafortide in Patients With Multiple Myeloma Undergoing Stem Cell Mobilization, PARADE Trial

NCT07101445
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 23, 2026 · Synced Oct 12, 2026, 11:41 AM EDT
Completed Phase 4 Interventional

Multimodal Analgesia Effect on Post Surgical Patient

NCT04240626
View directory record Official record
Conditions
Obesity, Morbid, Surgery, Bariatric Surgery Candidate
Interventions
Neurontin, Dilaudid Injectable Product, Marcaine Injectable Product, Oxycodone Hydrochloride, Hycet 7.5Mg-325Mg/15Ml Solution, Zofran Injection, Scopolamine patch, Ativan, Flexeril Oral Product, Tylenol Suspension
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
35 Years to 65 Years · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Oct 12, 2026, 11:41 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 12, 2026, 11:41 AM EDT
Enrolling by invitation Phase 4 Interventional

Enhanced Recovery After Surgery (ERAS) in Live Donor Kidney Transplant Recipients

NCT06997016
View directory record Official record
Conditions
Postoperative Pain
Interventions
pre-operative carbohydrate drink, Acetaminophen, Gabapentin, Bupivacaine, Ambulation
Dietary Supplement · Drug · Other
Lead sponsor
Baylor Research Institute
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Jan 27, 2026 · Synced Oct 12, 2026, 11:41 AM EDT