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ClinicalTrials.gov public records Last synced Oct 24, 2026, 2:26 PM EDT

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Showing 241–264 of 948 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: acetominophen Clear all
Completed Phase 1 Interventional

The Effect of AMG 133 on Gastric Emptying

NCT07429032
View directory record Official record
Conditions
Overweight or Obesity
Interventions
AMG 133, Placebo, Acetaminophen
Drug
Lead sponsor
Amgen
Industry
Eligibility
18 Years to 65 Years
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Daytona Beach, Florida
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced Oct 24, 2026, 2:26 PM EDT
Recruiting Phase 1Phase 2 Interventional

Substudy 06E: Umbrella Study of Combination Therapies in Esophageal Cancer (MK-3475-06E/KEYMAKER-U06)

NCT06780111
View directory record Official record
Conditions
Esophageal Squamous Cell Carcinoma
Interventions
Pembrolizumab, I-DXd, Leucovorin, Levoleucovorin, 5-Fluorouracil (5-FU), Oxaliplatin, Sacituzumab tirumotecan, Rescue Medication
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
298 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2032
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 24, 2026, 2:26 PM EDT
Completed Phase 2 Interventional

Low-Dose Naltrexone and Acetaminophen Combination and Its Components in the Acute Treatment of Migraine

NCT03061734
View directory record Official record
Conditions
Migraine With or Without Aura
Interventions
Naltrexone and Acetaminophen, Naltrexone and Acetaminophen-High Dose, Naltrexone Alone (regular dose), Acetaminophen Alone, Matching Placebo
Drug
Lead sponsor
Allodynic Therapeutics, Inc
Industry
Eligibility
18 Years and older
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
North Miami, Florida
Source: ClinicalTrials.gov public record
Updated Apr 14, 2021 · Synced Oct 24, 2026, 2:26 PM EDT
Completed Phase 4 Interventional

A Trial of the Cost Effectiveness of IV Acetaminophen in Bariatric Surgery

NCT02233400
View directory record Official record
Conditions
Hospital Costs, Length of Stay, Postoperative Pain Score, Patient Satisfaction
Interventions
Acetaminophen
Drug
Lead sponsor
St. Luke's Hospital and Health Network, Pennsylvania
Other
Eligibility
18 Years to 80 Years
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
2
States / cities
Allentown, Pennsylvania • Bethlehem, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 8, 2014 · Synced Oct 24, 2026, 2:26 PM EDT
Completed Not applicable Interventional

Tap Block vs Conventional Pain Medication for Patients Undergoing Robotic Sacrocolpopexy

NCT04440475
View directory record Official record
Conditions
Anesthesia, Local, Prolapse, Prolapse; Female, Prolapse, Vaginal, Prolapse; Vagina, Posthysterectomy, Pain, Postoperative
Interventions
TAP block
Procedure
Lead sponsor
ProMedica Health System
Other
Eligibility
18 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Toledo, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 24, 2026, 2:26 PM EDT
Active, not recruiting Phase 2 Interventional

ACALA-R In Predominantly Demyelinating IgM Mediated Neuropathy

NCT05065554
View directory record Official record
Conditions
IgM MGUS, Waldenstrom Macroglobulinemia, Neuropathy;Peripheral
Interventions
Acalabrutinib, Rituximab
Drug
Lead sponsor
Shayna Sarosiek, MD
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 5, 2025 · Synced Oct 24, 2026, 2:26 PM EDT
Completed Phase 3 Interventional Results available

To Evaluate the Safety and Efficacy of Acetaminophen 650 mg and 1000mg in Dental Pain After Surgery

NCT01115673
View directory record Official record
Conditions
Pain
Interventions
Acetaminophen, Placebo Control
Drug
Lead sponsor
McNeil Consumer Healthcare Division of McNEIL-PPC, Inc.
Industry
Eligibility
16 Years to 50 Years
Enrollment
540 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated May 28, 2012 · Synced Oct 24, 2026, 2:26 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Assessing Efficacy of Intravenous Acetaminophen for Perioperative Pain Control for Oocyte Retrieval

NCT03073980
View directory record Official record
Conditions
Infertility, Female, Pain, Postoperative
Interventions
IV Acetaminophen, PO Acetaminophen, Placebo IV Acetaminophen, Placebo PO Acetaminophen
Drug · Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
161 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 26, 2022 · Synced Oct 24, 2026, 2:26 PM EDT
Completed Not applicable Interventional

Predicting Analgesic Response to Acupuncture: A Practical Approach

NCT02890810
View directory record Official record
Conditions
Chronic Low Back Pain, Back Pain
Interventions
Real Acupuncture with Electrical Stimulation, Simulated Acupuncture with Electrical Stimulation
Other
Lead sponsor
Stanford University
Other
Eligibility
21 Years to 65 Years
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Jan 25, 2021 · Synced Oct 24, 2026, 2:26 PM EDT
Completed Phase 2 Interventional Results available

Study of CA-008 (Vocacapsaicin) in Bunionectomy Patients

NCT03599089
View directory record Official record
Conditions
Post-surgical Pain
Interventions
CA-008, Placebo, Ketorolac, Acetaminophen, Oxycodone, Bupivacaine Hydrochloride
Drug
Lead sponsor
Concentric Analgesics
Industry
Eligibility
18 Years to 75 Years
Enrollment
147 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
3
States / cities
Pasadena, California • Pasadena, Maryland • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 11, 2021 · Synced Oct 24, 2026, 2:26 PM EDT
Completed Phase 4 Interventional Results available

Treatment of Acute Sinusitis

NCT00377403
View directory record Official record
Conditions
Acute Respiratory Infections, Acute Rhinosinusitis
Interventions
Acetaminophen, Amoxicillin, Dextromethorphan hydrobromide with guaifenesin, Guaifenesin, Pseudoephedrine Sustained Action, Saline spray (0.65%)
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 70 Years
Enrollment
172 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 28, 2012 · Synced Oct 24, 2026, 2:26 PM EDT
Completed Phase 4 Interventional Results available

Effect of Perioperative Gabapentin on Postoperative Opioid Requirements

NCT05494385
View directory record Official record
Conditions
Postoperative Pain
Interventions
Preoperative Gabapentin/Postoperative Placebo, Preoperative Gabapentin/Postoperative Gabapentin
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older · Female only
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Oct 23, 2024 · Synced Oct 24, 2026, 2:26 PM EDT
Recruiting Not applicable Interventional

Comparing Ultrasound-Guided Transgluteal Nerve Block to Standard Care

NCT07397117
View directory record Official record
Conditions
Sciatica Acute
Interventions
nerve block with ropivacaine, Standard medical treatment
Procedure · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Oct 24, 2026, 2:26 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

To Investigate the Gastrointestinal Behaviour of Two Triple Combination Products in Healthy Male Volunteers

NCT03415243
View directory record Official record
Conditions
Common Cold
Interventions
Acetaminophen 650mg+Dextromethorphan 20mg+Phenylephrine 10mg, Acetaminophen 325mg+Dextromethorphan 10mg+Phenylephrine 5mg
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
21 Years to 45 Years · Male only
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jun 24, 2019 · Synced Oct 24, 2026, 2:26 PM EDT
Recruiting Phase 4 Interventional

Exparel and Education to Avoid Opioids After Carpal Tunnel Release

NCT03867539
View directory record Official record
Conditions
Carpal Tunnel Syndrome
Interventions
Differing pain management strategy
Drug
Lead sponsor
Kettering Health Network
Other
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
2
States / cities
Dayton, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Oct 24, 2026, 2:26 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Prophylactic Antipyretics on Immune Responses and Fever After 2014-2015 and 2015-2016 Inactivated Influenza Vaccine

NCT02212990
View directory record Official record
Conditions
Fever
Interventions
Acetaminophen Arm, Placebo Arm, Ibuprofen Arm
Other
Lead sponsor
Duke University
Other
Eligibility
6 Months to 47 Months
Enrollment
104 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 7, 2018 · Synced Oct 24, 2026, 2:26 PM EDT
Recruiting Phase 2 Interventional

Celecoxib for ENT Pain Management

NCT06505187
View directory record Official record
Conditions
Parotidectomy
Interventions
Celecoxib, Tylenol, Oxycodone, placebo
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Oct 24, 2026, 2:26 PM EDT
Completed Phase 3 Interventional

PANDORA: Delirium Prevention After Cardiac Surgery Using IV Acetaminophen to Prevent Postoperative Delirium in Older Cardiac Surgical Patients

NCT04093219
View directory record Official record
Conditions
Delirium in Old Age, Delirium, Coronary Artery Disease
Interventions
IV acetaminophen, Placebo
Drug · Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
60 Years and older
Enrollment
901 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
10
States / cities
Birmingham, Alabama • Irvine, California • Los Angeles, California + 5 more
Source: ClinicalTrials.gov public record
Updated Oct 22, 2026 · Synced Oct 24, 2026, 2:26 PM EDT
Active, not recruiting Not applicable Interventional

CYP2D6 Genotype-guided Management of Opioid Analgesics in Patients Undergoing Elective Ventral Hernia Repairs

NCT06565546
View directory record Official record
Conditions
Ventral Hernia
Interventions
Opioid pain medication prescribed based on CYP2D6 genotype testing PLUS Acetaminophen and Gabapentin, Acetaminophen and Gabapentin: standard postoperative pain medications
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 90 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Oct 24, 2026, 2:26 PM EDT
Completed Phase 2 Interventional Results available

Acetaminophen for the Reduction of Oxidative Injury in Severe Sepsis

NCT01739361
View directory record Official record
Conditions
Severe Sepsis
Interventions
Acetaminophen, placebo
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 26, 2017 · Synced Oct 24, 2026, 2:26 PM 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 24, 2026, 2:26 PM 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 24, 2026, 2:26 PM EDT
Terminated Phase 1 Interventional

Oral Bicarbonate as Adjuvant for Pain Reduction in Patients With Tumor Related Pain

NCT01846429
View directory record Official record
Conditions
Tumor, Cancer, Pain, Malignant Solid Tumor, Unresectable Malignant Neoplasm, Hematologic Malignancy, Multiple Myeloma, Lymphoma, Neoplasm Metastasis
Interventions
Sodium Bicarbonate
Drug
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jun 4, 2015 · Synced Oct 24, 2026, 2:26 PM EDT
Not yet recruiting Phase 4 Interventional

Oral Versus Intravenous Acetaminophen in Lumbar Spine Surgery

NCT07203079
View directory record Official record
Conditions
Postoperative Pain
Interventions
Acetaminophen Oral Tablet, placebo oral tablet, Acetaminophen infusion, Placebo infusion
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Oct 8, 2025 · Synced Oct 24, 2026, 2:26 PM EDT