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ClinicalTrials.gov public records Last synced Oct 9, 2026, 6:22 AM EDT

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Showing 73–96 of 239 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Acetaminophen (Tylenol extra strength) Clear all
Withdrawn Phase 2 Interventional

Phase II Trial of Lurbinectedin Combined With Avelumab as Switch Maintenance Firstline Therapy

NCT05574504
View directory record Official record
Conditions
Metastatic Cancer, Urothelial Carcinoma
Interventions
avelumab (PD-L1 inhibitor immunotherapy) + lurbinectedin
Drug
Lead sponsor
AdventHealth
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Aug 1, 2024 · Synced Oct 9, 2026, 6:22 AM EDT
Withdrawn Phase 1Phase 2 Interventional

Narcotic vs. Non-narcotic Pain Regimens After Pediatric Appendectomy

NCT03528343
View directory record Official record
Conditions
Appendicitis, Pain, Postoperative
Interventions
Non-narcotic pain control
Drug
Lead sponsor
University of Utah
Other
Eligibility
Up to 18 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Feb 7, 2020 · Synced Oct 9, 2026, 6:22 AM EDT
Completed No phase listed Observational Results available

Tylenol Levels in Bariatric Patients

NCT02982928
View directory record Official record
Conditions
Obesity
Interventions
Not listed
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
12 Years to 21 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 19, 2019 · Synced Oct 9, 2026, 6:22 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Does IV Acetaminophen Reduce Opioid Requirement in Pediatric Patients With Acute Sickle Cell Crises?

NCT03541980
View directory record Official record
Conditions
Sickle Cell Anemia Crisis
Interventions
Acetaminophen, Normal saline
Drug
Lead sponsor
Newark Beth Israel Medical Center
Other
Eligibility
4 Years to 16 Years
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Newark, New York
Source: ClinicalTrials.gov public record
Updated Apr 2, 2021 · Synced Oct 9, 2026, 6:22 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Decreasing Narcotics in Advanced Pelvic Surgery

NCT02110719
View directory record Official record
Conditions
Narcotic Use, Pain, Constipation, Nausea
Interventions
Celebrex, Gabapentin, IV acetaminophen, oral acetaminophen, oral ibuprofen, percocet, vicodin, Oxycodone, dilaudid, Dexamethasone, zofran
Drug
Lead sponsor
Hartford Hospital
Other
Eligibility
18 Years to 100 Years · Female only
Enrollment
138 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 17, 2016 · Synced Oct 9, 2026, 6:22 AM EDT
Terminated Phase 4 Interventional Results available

Steroids in Total Knee Arthroplasty

NCT02219581
View directory record Official record
Conditions
Postoperative Pain, Inflammation, Osteoarthritis
Interventions
Dexamethasone 10 mg, Dexamethasone 20 mg, Standard multimodal pain management regimen, Placebo
Drug
Lead sponsor
Thomas L Bradbury
Other
Eligibility
18 Years to 100 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Tucker, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 4, 2022 · Synced Oct 9, 2026, 6:22 AM EDT
Withdrawn Phase 4 Interventional

Effect of a Multimodal Pain Regimen on Pain Control, Patient Satisfaction and Narcotic Use in Orthopaedic Trauma Patients

NCT02160301
View directory record Official record
Conditions
Post Operative Pain Control
Interventions
Gabapentin, Acetaminophen, Celecoxib, Dexamethasone, Oxycodone
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 19, 2017 · Synced Oct 9, 2026, 6:22 AM 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 9, 2026, 6:22 AM 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 9, 2026, 6:22 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

The Effectiveness of IV/PO Acetaminophen in the Perioperative Period in Reducing Opiate Use After Lumbar Spine Fusion

NCT03104816
View directory record Official record
Conditions
Fusion of Spine, Lumbar Region
Interventions
Acetaminophen IV Soln 10 MG/ML, Acetaminophen, Hydromorphone
Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 8, 2019 · Synced Oct 9, 2026, 6:22 AM EDT
Completed Phase 4 Interventional Results available

Comparative Efficacy of 4 Oral Analgesics

NCT02455518
View directory record Official record
Conditions
Pain
Interventions
Oxycodone/acetaminophen, Hydrocodone/acetaminophen, Codeine/acetaminophen, Ibuprofen/acetaminophen
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
21 Years to 65 Years
Enrollment
416 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Feb 13, 2018 · Synced Oct 9, 2026, 6:22 AM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

A Comparison of IV Versus PO Acetaminophen Postoperatively for Opioid Consumption After Cesarean Section

NCT04290208
View directory record Official record
Conditions
Postoperative Pain, Cesarean Section, Acetaminophen
Interventions
Acetaminophen, Placebos
Drug
Lead sponsor
Main Line Health
Other
Eligibility
18 Years and older · Female only
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Wynnewood, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 28, 2020 · Synced Oct 9, 2026, 6:22 AM EDT
Withdrawn Phase 2 Interventional Accepts healthy volunteers

Multimodal Pain Therapy After Hernia Repair

NCT03792295
View directory record Official record
Conditions
Hernia, Abdominal, Pain
Interventions
acetominophen, ibuprofen, oxycodone, Oxycodone
Drug
Lead sponsor
Khashayar Vaziri
Other
Eligibility
18 Years to 90 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Aug 4, 2021 · Synced Oct 9, 2026, 6:22 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Post-operative Pain Control After Photorefractive Keratectomy Comparing Acetaminophen/Codeine vs Acetaminophen/Oxycodone

NCT04399122
View directory record Official record
Conditions
Post-operative Pain Control
Interventions
acetaminophen/codeine vs acetaminophen/oxycodone
Drug
Lead sponsor
59th Medical Wing
Federal
Eligibility
21 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Oct 5, 2021 · Synced Oct 9, 2026, 6:22 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 9, 2026, 6:22 AM EDT
Not listed Phase 4 Interventional

Pain Relief After Hiatal Hernia Repair Surgery

NCT04936711
View directory record Official record
Conditions
Shoulder Pain, Hiatal Hernia
Interventions
Resteck Shiatsu Neck and Back Massager, Marcaine
Device · Drug
Lead sponsor
Norton Thoracic Institute
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jun 23, 2021 · Synced Oct 9, 2026, 6:22 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Observational Study on the Use of Ivermectin as an Outpatient Treatment Option for COVID-19

NCT05045937
View directory record Official record
Conditions
Covid19, COVID-19 Pneumonia, COVID-19 Respiratory Infection, COVID-19 Acute Bronchitis
Interventions
Ivermectin
Drug
Lead sponsor
Patrick Robinson
Other
Eligibility
12 Years to 110 Years
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
San Antonio, Florida
Source: ClinicalTrials.gov public record
Updated Apr 27, 2022 · Synced Oct 9, 2026, 6:22 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Ice T Postoperative Multimodal Pain Regimen in FPMRS Surgery

NCT03052816
View directory record Official record
Conditions
Pain, Postoperative, Pelvic Organ Prolapse
Interventions
Ice T, Motrin/Percocet/Dilaudid for breakthrough
Drug
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years to 80 Years · Female only
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated May 19, 2023 · Synced Oct 9, 2026, 6:22 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 9, 2026, 6:22 AM EDT
Recruiting Phase 4 Interventional

Supracondylar Post-Operative Pain Study

NCT03759028
View directory record Official record
Conditions
Supracondylar Humerus Fracture
Interventions
Ibuprofen, Oxycodone, Acetaminophen
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
4 Years to 12 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Oct 9, 2026, 6:22 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 9, 2026, 6:22 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Effect of Post-operative Ibuprofen After Surgery for Chronic Rhinosinusitis

NCT03055507
View directory record Official record
Conditions
Chronic Rhinosinusitis (Diagnosis)
Interventions
Ibuprofen 400 mg, Acetaminophen 650 mg, OxyCODONE 5 Mg Oral Tablet
Drug
Lead sponsor
University of Washington
Other
Eligibility
Not listed
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 22, 2023 · Synced Oct 9, 2026, 6:22 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 9, 2026, 6:22 AM EDT
Completed Phase 4 Interventional Results available

Awake Caudal Catheter vs General Anesthesia

NCT05919732
View directory record Official record
Conditions
Inguinal Hernia
Interventions
Bupivacaine, Dexmedetomidine, Caffeine, Tylenol, Propofol, rocuronium, caffeine, Tylenol, bupivacaine
Drug
Lead sponsor
Nemours Children's Clinic
Other
Eligibility
23 Weeks to 60 Weeks
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Apr 2, 2024 · Synced Oct 9, 2026, 6:22 AM EDT