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ClinicalTrials.gov public records Last synced Oct 15, 2026, 6:06 AM EDT

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Showing 769–792 of 948 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Acetaminophen (Ofirmev) Clear all
Completed Phase 1Phase 2 Interventional Results available

Study of Palifermin (Kepivance) in Persons Undergoing Unrelated Donor Allogeneic Hematopoietic Cell Transplantation

NCT02356159
View directory record Official record
Conditions
Myelodysplastic Syndromes, Hodgkin's Lymphoma, Non-Hodgkin's Lymphoma, Acute Leukemia, Multiple Myeloma
Interventions
Rituximab, Conditioning chemotherapy, TMS, FLAG, EPOCH-F, Hematopoietic stem cell transplant, Palifermin, Acetaminophen, Diphenhydramine, Prednisone, Epinephrine, IV Saline, ECG, ECHO, MUGA, DEXA, CT chest, PET, MRI, BM aspirate, BM biopsy, Lumbar puncture
Biological · Drug · Procedure + 2 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2025
U.S. locations
2
States / cities
Bethesda, Maryland • Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 30, 2025 · Synced Oct 15, 2026, 6:06 AM EDT
Completed Not applicable Interventional

Evaluation of the Interaction Between Acetaminophen and Zidovudine

NCT00000731
View directory record Official record
Conditions
HIV Infections
Interventions
Zidovudine, Acetaminophen
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1990
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Oct 15, 2026, 6:06 AM EDT
Completed Phase 1 Interventional Results available

A Study to Measure Stomach Emptying in Overweight Non-diabetic and Diabetic Participants Using Tirzepatide

NCT04407234
View directory record Official record
Conditions
Overweight, Obesity, Diabetes Mellitus, Type 2
Interventions
Tirzepatide, Acetaminophen
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Hialeah, Florida
Source: ClinicalTrials.gov public record
Updated Jan 8, 2024 · Synced Oct 15, 2026, 6:06 AM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate the Analgesic Efficacy and Safety of Hydrocodone Bitartrate/Acetaminophen Immediate-Release Tablets in Participants With Moderate to Severe Pain Following Bunionectomy

NCT02487108
View directory record Official record
Conditions
Pain
Interventions
TV-46763, Placebo
Drug
Lead sponsor
Teva Branded Pharmaceutical Products R&D, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
569 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
8
States / cities
Phoenix, Arizona • Anaheim, California • Bakersfield, California + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 31, 2022 · Synced Oct 15, 2026, 6:06 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 15, 2026, 6:06 AM EDT
Completed Phase 2 Interventional Results available

Safety Study of Ornithine Phenylacetate to Treat Patients With Acute Liver Failure/Severe Acute Liver Injury

NCT01548690
View directory record Official record
Conditions
Acute Liver Failure, Acute Liver Injury
Interventions
Ornithine Phenylacetate
Drug
Lead sponsor
William Lee
Other
Eligibility
18 Years to 65 Years
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
11
States / cities
San Francisco, California • New Haven, Connecticut • Atlanta, Georgia + 8 more
Source: ClinicalTrials.gov public record
Updated Oct 30, 2018 · Synced Oct 15, 2026, 6:06 AM EDT
Completed Phase 4 Interventional Results available

Multimodal Analgesia With Acetaminophen vs. Narcotics Alone After Hip Arthroscopy

NCT03510910
View directory record Official record
Conditions
Hip Arthroscopy
Interventions
Acetaminophen, Percocet
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 7, 2021 · Synced Oct 15, 2026, 6:06 AM EDT
Completed Not applicable Interventional

Post-market, Randomized, Controlled, Prospective Study Evaluating Intrathecal Pain Medication (IT) Versus Conventional Medical Management (CMM) in the Non-cancer, Refractory, Chronic Pain Population

NCT04096391
View directory record Official record
Conditions
Chronic Nonmalignant Pain, Pain, Intractable, Pain, Chronic
Interventions
Flowonix Prometra® II Programmable Infusion System, Pain Medicine
Device · Drug
Lead sponsor
Evolve Restorative Center
Other
Eligibility
22 Years and older
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Santa Rosa, California
Source: ClinicalTrials.gov public record
Updated May 18, 2022 · Synced Oct 15, 2026, 6:06 AM EDT
Completed Not applicable Interventional Results available

Sleep Disruption in New Mothers: An Intervention Trial

NCT01321710
View directory record Official record
Conditions
Pregnancy, Postpartum Period, Sleep Disturbance
Interventions
Sleep hygiene, Dietary information, Acetaminophen
Behavioral · Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Female only
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 29, 2012 · Synced Oct 15, 2026, 6:06 AM EDT
Not yet recruiting Phase 4 Interventional

Suzetrigine for Opioid-Sparing Postoperative Analgesia Following Transvaginal Pelvic Reconstructive Surgery

NCT07600697
View directory record Official record
Conditions
Pelvic Organ Prolapse (POP), Stress Urinary Incontinence (SUI), Postoperative Pain
Interventions
Suzetrigine, Opioid Analgesics (Tramadol or Oxycodone), Scheduled Acetaminophen and Ibuprofen
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 15, 2026 · Synced Oct 15, 2026, 6:06 AM EDT
Terminated Not applicable Interventional

Post-operative Pain Control With Acetaminophen and Ibuprofen After Functional Endoscopic Sinus Surgery

NCT05287217
View directory record Official record
Conditions
Chronic Rhinosinusitis (Diagnosis)
Interventions
Comparison of medication administration for pain control
Other
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 20, 2025 · Synced Oct 15, 2026, 6:06 AM EDT
Completed Phase 4 Interventional Results available

Efficacy of Ketamine for Improvement in Postoperative Pain Control After Spinal Fusion for Idiopathic Scoliosis

NCT02651324
View directory record Official record
Conditions
Idiopathic Scoliosis, Post-operative Pain
Interventions
Ketamine, Placebo
Drug · Other
Lead sponsor
Albany Medical College
Other
Eligibility
Not listed
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Albany, New York
Source: ClinicalTrials.gov public record
Updated Feb 20, 2025 · Synced Oct 15, 2026, 6:06 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Safety, Pharmacokinetics, and Preliminary Efficacy of Isatuximab in Patients Awaiting Kidney Transplantation

NCT04294459
View directory record Official record
Conditions
Immune System Disorder
Interventions
Isatuximab SAR650984, Acetaminophen (paracetamol) or equivalent, Ranitidine or equivalent, Diphenhydramine or equivalent, Methylprednisolone or equivalent, Montelukast or equivalent
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years to 70 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
4
States / cities
San Francisco, California • Rochester, Minnesota • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 17, 2025 · Synced Oct 15, 2026, 6:06 AM EDT
Completed Not applicable Interventional Results available

Opiate Sparing Versus Opiate Based Following Shoulder Arthroplasty

NCT04294680
View directory record Official record
Conditions
Shoulder Surgery
Interventions
Cryotherapy
Device
Lead sponsor
Campbell Clinic
Other
Eligibility
18 Years to 85 Years
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 6, 2022 · Synced Oct 15, 2026, 6:06 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Single-Dose PK Study of an Oxycodone/Acetaminophen Solution in Healthy Subjects

NCT02966860
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Oral solution OC/APAP
Drug
Lead sponsor
Mallinckrodt
Industry
Eligibility
18 Years to 55 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Apr 5, 2017 · Synced Oct 15, 2026, 6:06 AM EDT
Withdrawn Phase 3 Interventional

Acetaminophen Randomized Controlled Trial

NCT02737124
View directory record Official record
Conditions
Post Operative Pain
Interventions
Acetaminophen, Placebo
Drug · Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 26, 2018 · Synced Oct 15, 2026, 6:06 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Emergence Agitation and Pain Scores in Pediatrics When Comparing Single-modal vs Multi-modal Analgesia for ENT Surgery

NCT03062488
View directory record Official record
Conditions
Emergence Agitation, Pain
Interventions
IV acetaminophen, Fentanyl, PO acetaminophen
Drug
Lead sponsor
Nemours Children's Clinic
Other
Eligibility
24 Months to 7 Years
Enrollment
143 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 18, 2020 · Synced Oct 15, 2026, 6:06 AM EDT
Completed Phase 2 Interventional Results available

Postoperative Ibuprofen and the Risk of Bleeding After Tonsillectomy With or Without Adenoidectomy

NCT01605903
View directory record Official record
Conditions
Tonsillectomy, Adenoidectomy
Interventions
Ibuprofen, Acetaminophen
Drug
Lead sponsor
Massachusetts Eye and Ear Infirmary
Other
Eligibility
2 Years to 18 Years
Enrollment
741 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
5
States / cities
San Diego, California • Boston, Massachusetts • San Antonio, Texas + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 24, 2018 · Synced Oct 15, 2026, 6:06 AM EDT
Not listed Phase 4 Interventional

Randomized Trial of Narcotic vs Non-Narcotic Pain Modulation After Labrum Repair

NCT05974423
View directory record Official record
Conditions
Postoperative Pain, Acute, Opioid Use, Labral Tear, Glenoid
Interventions
Tylenol, Ibuprofen, and Oxycodone, Tylenol and Ibuprofen only
Drug
Lead sponsor
The Cooper Health System
Other
Eligibility
15 Years to 25 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Camden, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 3, 2023 · Synced Oct 15, 2026, 6:06 AM EDT
Recruiting Phase 4 Interventional

Efficacy of Ketorolac for Postoperative Pain Management in Hip Arthroscopy

NCT07037888
View directory record Official record
Conditions
Femoracetabular Impingement, Hip Arthroscopy
Interventions
Ketorolac, Control (Standard treatment), Omeprazole
Drug
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years to 89 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Oct 15, 2026, 6:06 AM EDT
Completed Phase 2 Interventional Results available

Phase 2 Herniorrhaphy Study for Opioid Elimination

NCT03695367
View directory record Official record
Conditions
Postoperative Pain
Interventions
HTX-011, Luer lock applicator, Vial access device, Ibuprofen, Acetaminophen, Ketorolac
Drug · Device
Lead sponsor
Heron Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
5
States / cities
Anaheim, California • Pasadena, California • Draper, Utah + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 2, 2026 · Synced Oct 15, 2026, 6:06 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 13, 2017 · Synced Oct 15, 2026, 6:06 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 28, 2022 · Synced Oct 15, 2026, 6:06 AM EDT
Recruiting Phase 3 Interventional

High-dose Prophylactic Gabapentin (HOPE) vs. Placebo to Prevent Opioid Use for Oral Mucositis Pain During Concurrent Chemoradiation for Head and Neck Cancer

NCT06992427
View directory record Official record
Conditions
Head and Neck Squamous Cell Carcinoma, Stage I Head and Neck Cutaneous Squamous Cell Carcinoma AJCC v8, Stage II Head and Neck Cutaneous Squamous Cell Carcinoma AJCC v8, Stage III Head and Neck Cutaneous Squamous Cell Carcinoma AJCC v8, Stage IV Head and Neck Cutaneous Squamous Cell Carcinoma AJCC v8
Interventions
Gabapentin, Placebo, Chemotheraphy, Radiation Therapy, Analgesic Agent, Biospecimen Collection, Survey Administration
Drug · Radiation · Procedure + 1 more
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
228 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
212
States / cities
Gilbert, Arizona • Peoria, Arizona • Phoenix, Arizona + 171 more
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 15, 2026, 6:06 AM EDT