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ClinicalTrials.gov public records Last synced Oct 18, 2026, 4:07 AM EDT

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Showing 241–264 of 948 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Acetaminophen Clear all
Withdrawn Phase 4 Interventional

A Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Study of the Relationship Between Intraoperative Intravenous Acetaminophen and Postoperative Opioid Avoidance for Ambulatory Surgical Procedures

NCT01231191
View directory record Official record
Conditions
Postoperative Pain, Intraoperative and Postoperative Opioid Requirements
Interventions
Intravenous acetaminophen, Intravenous placebo
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Mar 8, 2012 · Synced Oct 18, 2026, 4:07 AM EDT
Recruiting Phase 2 Interventional

A Study to Investigate Subcutaneous Isatuximab in Combination With Weekly Carfilzomib and Dexamethasone in Adult Participants With Relapsed and/or Refractory Multiple Myeloma

NCT06356571
View directory record Official record
Conditions
Plasma Cell Myeloma Refractory
Interventions
Isatuximab SC-OBDS, Montelukast, Dexamethasone, Acetaminophen, Diphenhydramine, Methylprednisolone, Carfilzomib
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
34
States / cities
Phoenix, Arizona • Los Angeles, California • West Hollywood, California + 29 more
Source: ClinicalTrials.gov public record
Updated Feb 23, 2026 · Synced Oct 18, 2026, 4:07 AM EDT
Active, not recruiting Phase 2 Interventional

A Study of Daratumumab, Carfilzomib, Lenalidomide, and Dexamethasone in Patients With Newly-Diagnosed Multiple Myeloma

NCT04268498
View directory record Official record
Conditions
Multiple Myeloma
Interventions
Bortezomib, Dexamethasone, Lenalidomide, Acetaminophen, Diphenhydramine, Montelukast, Carfilzomib, Daratumumab, Autologous Stem Cell Transplant (ASCT)
Drug · Biological
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 75 Years
Enrollment
310 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
7
States / cities
Miami, Florida • Tampa, Florida • Buffalo, New York + 4 more
Source: ClinicalTrials.gov public record
Updated Mar 24, 2026 · Synced Oct 18, 2026, 4:07 AM EDT
Completed Phase 4 Interventional Results available

Opioid-Free Shoulder Arthroplasty

NCT03540030
View directory record Official record
Conditions
Opioid Use, Shoulder Osteoarthritis, Avascular Necrosis, Rotator Cuff Tear, Arthritis;Inflammatory
Interventions
Gabapentin, Celecoxib, toradol, acetaminophen, regional block, propofol, IV lidocaine, rocuronium, vecuronium, sevoflurane, desflurane
Drug
Lead sponsor
OrthoCarolina Research Institute, Inc.
Other
Eligibility
50 Years and older
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Charlotte, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 14, 2020 · Synced Oct 18, 2026, 4:07 AM EDT
Completed Phase 4 Interventional Results available

A Comparison of Postoperative Tramadol Versus Acetaminophen With Codeine in Children Undergoing Tonsillectomy

NCT01267136
View directory record Official record
Conditions
Tonsillitis, Pain
Interventions
Codeine with acetaminophen, Tramadol suspension
Drug
Lead sponsor
Children's Hospitals and Clinics of Minnesota
Other
Eligibility
4 Years to 15 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 17, 2014 · Synced Oct 18, 2026, 4:07 AM EDT
Completed Phase 4 Interventional Results available

Post-operative Dental Pain Study Comparing Analgesic Efficacy

NCT01082081
View directory record Official record
Conditions
Post-surgical Dental Pain
Interventions
Paracetamol 1000 mg, Paracetamol 500 mg, Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 45 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
2
States / cities
Austin, Texas • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated May 13, 2015 · Synced Oct 18, 2026, 4:07 AM EDT
Completed Phase 2 Interventional Results available

A Myeloablative Conditioning Regimen and Total Body Irradiation Followed by the Transplantation for Patients With Hematological Malignancy

NCT00597519
View directory record Official record
Conditions
Cancer, Leukemia, Myelodysplastic Syndrome, Non-Hodgkin's Lymphoma
Interventions
Fludarabine, Cyclophosphamide, Transplantation
Drug · Procedure
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
4 Years to 50 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 12, 2016 · Synced Oct 18, 2026, 4:07 AM EDT
Completed Phase 2 Interventional Results available

Iodine I 131 Monoclonal Antibody 3F8 in Treating Patients With Central Nervous System Cancer or Leptomeningeal Cancer

NCT00445965
View directory record Official record
Conditions
Brain and Central Nervous System Tumors, Intraocular Melanoma, Lung Cancer, Melanoma (Skin), Metastatic Cancer, Neuroblastoma, Ovarian Cancer, Retinoblastoma, Sarcoma, Small Intestine Cancer
Interventions
DNA analysis, immunologic technique, pharmacological study, iodine I 131 monoclonal antibody 3F8, 131I-3F8
Genetic · Other · Radiation
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
Not listed
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 4, 2024 · Synced Oct 18, 2026, 4:07 AM EDT
Recruiting Phase 1Phase 2 Interventional

A Clinical Study of MK-1084 With Other Treatments for Non-small Cell Lung Cancer (MK-3475-01F)

NCT07286149
View directory record Official record
Conditions
Lung Neoplasm Malignant
Interventions
MK-1084, Patritumab deruxtecan, Sacituzumab tirumotecan, Cetuximab, Rescue Medications
Drug · Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
4
States / cities
Clermont, Florida • Chicago, Illinois • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 18, 2026, 4:07 AM EDT
Not listed Phase 3 Interventional

Acetaminophen Given Per Os and Intravenous in Sinus Surgery

NCT03295214
View directory record Official record
Conditions
Acetaminophen
Interventions
Acetaminophen
Drug
Lead sponsor
Massachusetts Eye and Ear Infirmary
Other
Eligibility
18 Years and older
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 10, 2019 · Synced Oct 18, 2026, 4:07 AM EDT
Completed Phase 4 Interventional Results available

A Study on The Safety of Administering Rituximab at A More Rapid Rate in Patients With Rheumatoid Arthritis

NCT01382940
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
rituximab, methotrexate, methylprednisolone, acetaminophen, antihistamine
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
351 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
86
States / cities
Birmingham, Alabama • Tuscaloosa, Alabama • Gilbert, Arizona + 77 more
Source: ClinicalTrials.gov public record
Updated Aug 1, 2017 · Synced Oct 18, 2026, 4:07 AM EDT
Recruiting Phase 3 Interventional

A Clinical Study of Sacituzumab Tirumotecan (Sac-TMT, MK-2870) in People With Breast Cancer (MK-2870-032)

NCT06966700
View directory record Official record
Conditions
Breast Neoplasms, Triple Negative Breast Neoplasms, HR Low-Positive/HER2-Negative Breast Neoplasms
Interventions
Sacituzumab tirumotecan, Pembrolizumab, Rescue Medication, Carboplatin, Paclitaxel, Doxorubicin, Epirubicin, Cyclophosphamide, Capecitabine, Olaparib
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
2,400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2034
U.S. locations
64
States / cities
Gilbert, Arizona • Phoenix, Arizona • Tucson, Arizona + 54 more
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 18, 2026, 4:07 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 16, 2013 · Synced Oct 18, 2026, 4:07 AM EDT
Terminated Phase 4 Interventional Results available

Acetaminophen Use in Labor - Does Use of Acetaminophen Reduce Neuraxial Analgesic Drug Requirement During Labor?

NCT02181387
View directory record Official record
Conditions
Pain
Interventions
Acetaminophen, Placebo
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 10, 2018 · Synced Oct 18, 2026, 4:07 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 25, 2026 · Synced Oct 18, 2026, 4:07 AM EDT
Completed Not applicable Interventional Results available

Evaluation of Stepped Care for Chronic Pain in Iraq/Afghanistan Veterans (ESCAPE)

NCT00386243
View directory record Official record
Conditions
Low Back Pain, Pain, Pain, Intractable
Interventions
Cognitive behavioral therapy, Pain self-management program, Co-Analgesic Therapy, Opioid Analgesics
Behavioral · Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
242 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 5, 2019 · Synced Oct 18, 2026, 4:07 AM EDT
Completed Phase 2 Interventional Results available

Acetaminophen and Ascorbate in Sepsis: Targeted Therapy to Enhance Recovery

NCT04291508
View directory record Official record
Conditions
Acute Respiratory Distress Syndrome, Critical Illness, Respiratory Failure, Sepsis
Interventions
Intravenous Acetaminophen (room temperature), Intravenous Vitamin C (refrigerated), 5% Dextrose (room temperature), 5% Dextrose refrigerated
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
488 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
41
States / cities
Birmingham, Alabama • Tucson, Arizona • Fresno, California + 34 more
Source: ClinicalTrials.gov public record
Updated Sep 27, 2024 · Synced Oct 18, 2026, 4:07 AM EDT
Withdrawn Phase 4 Interventional

Hydroxychloroquine in SARS-CoV-2 (COVID-19) Pneumonia Trial

NCT04382625
View directory record Official record
Conditions
SARS-CoV-2 Pneumonia, COVID-19
Interventions
Hydroxychloroquine
Drug
Lead sponsor
Kootenai Health
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Coeur d'Alene, Idaho
Source: ClinicalTrials.gov public record
Updated Feb 5, 2021 · Synced Oct 18, 2026, 4:07 AM EDT
Active, not recruiting Not applicable Interventional

Methocarbamol vs Oxybutynin for Management of Pain and Discomfort S/P Ureteroscopy Procedure

NCT05100017
View directory record Official record
Conditions
Kidney Calculi, Kidney Diseases, Nephrolithiasis, Urolithiasis, Ureteral Diseases, Ureteral Calculi
Interventions
Methocarbamol, Oxybutynin
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 80 Years
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 18, 2026, 4:07 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Preemptive Ibuprofen Effects on Pain Perception Following Extraction and Bone Graft

NCT05919745
View directory record Official record
Conditions
Pain, Post Operative, Quality of Life
Interventions
Ibuprofen 600 mg, Placebo, Acetaminophen
Drug
Lead sponsor
Marquette University
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 27, 2024 · Synced Oct 18, 2026, 4:07 AM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate the Efficacy and Safety of Obinutuzumab Versus MMF in Participants With Childhood Onset Idiopathic Nephrotic Syndrome

NCT05627557
View directory record Official record
Conditions
Childhood Idiopathic Nephrotic Syndrome
Interventions
Obinutuzumab, MMF, Prednisone, Methylprednisolone, Acetaminophen/ Paracetamol, Diphenhydramine Hydrochloride
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
2 Years to 25 Years
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
8
States / cities
Palo Alto, California • Miami, Florida • Orlando, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Oct 14, 2026 · Synced Oct 18, 2026, 4:07 AM EDT
Withdrawn Phase 2 Interventional

Botulinum Toxin Injection for Functional Popliteal Artery Entrapment Syndrome

NCT03631966
View directory record Official record
Conditions
Functional Popliteal Artery Entrapment Syndrome, Popliteal Artery Entrapment Syndrome
Interventions
Dysport
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 50 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Redwood City, California
Source: ClinicalTrials.gov public record
Updated Mar 8, 2021 · Synced Oct 18, 2026, 4:07 AM EDT
Not yet recruiting Phase 4 Interventional

Examining Analgesic Synergy and Efficacy in Trauma Care

NCT07435077
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Buprenorphine, Oxycodone
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 80 Years
Enrollment
282 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 28, 2026 · Synced Oct 18, 2026, 4:07 AM EDT
Not listed Not applicable Interventional

Efficacy of IV Acetaminophen in Acute Post-Operative Pain Control in Laparoscopic Roux-en-Y Gastric Bypass Surgery (LRYGBP) Patients

NCT01460667
View directory record Official record
Conditions
Morbid Obesity
Interventions
IV acetaminophen, IV normal saline
Drug
Lead sponsor
McLaren Regional Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2011
U.S. locations
1
States / cities
Flint, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 27, 2011 · Synced Oct 18, 2026, 4:07 AM EDT