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ClinicalTrials.gov public records Last synced Oct 15, 2026, 10:59 AM EDT

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Showing 865–888 of 948 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Acetaminophen (Ofirmev) Clear all
Completed Not applicable Interventional

Pre-Emptive Analgesia in Ano-Rectal Surgery

NCT02402543
View directory record Official record
Conditions
Hemorrhoids, Fissure in Ano, Rectal Fistula, Anal Condyloma
Interventions
Gabapentin, Ketamine, Acetaminophen, Dexamethasone, Placebo
Drug
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
2
States / cities
Burlington, Vermont • Colchester, Vermont
Source: ClinicalTrials.gov public record
Updated Jan 16, 2018 · Synced Oct 15, 2026, 10:59 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

The Effects of Aspirin and Acetaminophen on the Stomach in Healthy Volunteers

NCT00594867
View directory record Official record
Conditions
Healthy
Interventions
Acetaminophen - 4 grams per day + Placebo, Aspirin - 325 mg per day + Placebo, Acetaminophen 4 gram per day + Aspirin 325 mg per day
Drug
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years to 75 Years
Enrollment
94 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 15, 2019 · Synced Oct 15, 2026, 10:59 AM EDT
Terminated Phase 3 Interventional Results available

Symptomatic Management of Lyme Arthritis

NCT04038346
View directory record Official record
Conditions
Lyme Arthritis, Lyme Disease, Arthritis
Interventions
Naproxen, Acetaminophen
Drug
Lead sponsor
Desiree Neville, MD
Other
Eligibility
3 Years to 17 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 17, 2025 · Synced Oct 15, 2026, 10:59 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Withdrawn Phase 4 Interventional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 15, 2026, 10:59 AM EDT
Completed Phase 3 Interventional Results available

Preoperative Acetaminophen and Carbohydrate Loading

NCT03131713
View directory record Official record
Conditions
Non-melanoma Skin Cancer
Interventions
Acetaminophen
Drug
Lead sponsor
Tufts Medical Center
Other
Eligibility
18 Years and older
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 7, 2019 · Synced Oct 15, 2026, 10:59 AM EDT
Completed Phase 3 Interventional

Evaluate the Time of Pain Relief of Fast Acting Aspirin Versus Acetaminophen in Subjects Diagnosed With Sore Throat Pain

NCT01453400
View directory record Official record
Conditions
Pharyngitis
Interventions
Acetylsalicylic Acid (Aspirin, BAY1019036) + placebo, Acetaminophen + placebo, Placebo
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older
Enrollment
177 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Storrs, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 7, 2018 · Synced Oct 15, 2026, 10:59 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Does Preventive Analgesia Improve the Outcome of Demerol-Vistaril Procedural Sedations in Pediatric Dentistry

NCT01971853
View directory record Official record
Conditions
Pain
Interventions
oral placebo, Oral Analgesics
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
2 Years to 8 Years
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 22, 2021 · Synced Oct 15, 2026, 10:59 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Acetaminophen IV vs Hydromorphone IV in the ED

NCT03107481
View directory record Official record
Conditions
Pain, Acute
Interventions
Acetaminophen, Hydromorphone
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
21 Years to 64 Years
Enrollment
220 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Nov 17, 2017 · Synced Oct 15, 2026, 10:59 AM EDT
Completed Phase 4 Interventional Results available

Analgesia Regimens Following Trans-sphenoidal Surgery for Pituitary Tumors

NCT02351700
View directory record Official record
Conditions
Pituitary Tumor, Pain
Interventions
IV Caldolor, IV Placebo
Drug
Lead sponsor
St. Joseph's Hospital and Medical Center, Phoenix
Other
Eligibility
18 Years to 79 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Oct 21, 2021 · Synced Oct 15, 2026, 10:59 AM EDT
Withdrawn Phase 2 Interventional

RCT of SPG Blocks for Post-dural Headache

NCT03560349
View directory record Official record
Conditions
Post-Dural Puncture Headache
Interventions
Lidocaine HCl Gel 2%, placebo gel
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 50 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 13, 2022 · Synced Oct 15, 2026, 10:59 AM EDT
Completed Phase 1 Interventional

Edible Plant Exosome Ability to Prevent Oral Mucositis Associated With Chemoradiation Treatment of Head and Neck Cancer

NCT01668849
View directory record Official record
Conditions
Head and Neck Cancer, Oral Mucositis
Interventions
Grape extract, Lortab, Fentanyl patch, mouthwash
Dietary Supplement · Drug
Lead sponsor
University of Louisville
Other
Eligibility
20 Years to 85 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2022
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Aug 9, 2022 · Synced Oct 15, 2026, 10:59 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Multimodal Pain Management for Cesarean Delivery

NCT02922985
View directory record Official record
Conditions
Pain
Interventions
Intravenous acetominophen, Ketorolac, intramuscular, Bupivacaine, subcutaneous, Normal saline
Drug
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 6, 2021 · Synced Oct 15, 2026, 10:59 AM EDT
Completed No phase listed Observational

Behavioral Expressions in Alzheimer's Disease

NCT02719834
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Acetaminophen, Placebo
Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
65 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 2, 2018 · Synced Oct 15, 2026, 10:59 AM EDT
Completed Not applicable Interventional Results available

Impact of Acetaminophen on Performance of Guardian™ Sensor (3) in Adults

NCT04378114
View directory record Official record
Conditions
Type 1 Diabetes Mellitus, Type 2 Diabetes Mellitus
Interventions
Guardian™ Sensor (3) connected to a Guardian™ Connect Transmitter. C sensor algorithm applied retrospectively to raw sensor data., Guardian™ Sensor (3) connected to a Guardian™ Connect Transmitter. Zeus sensor algorithm applied retrospectively to raw sensor data., Acetominophen
Device · Drug
Lead sponsor
Medtronic MiniMed, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
6
States / cities
Escondido, California • Santa Barbara, California • Walnut Creek, California + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 8, 2023 · Synced Oct 15, 2026, 10:59 AM EDT
Completed No phase listed Observational

Adduct Dipstick for Diagnosis of Acetaminophen Toxicity

NCT01575847
View directory record Official record
Conditions
Acetaminophen Toxicity
Interventions
Not listed
Lead sponsor
Arkansas Children's Hospital Research Institute
Other
Eligibility
12 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Jan 4, 2017 · Synced Oct 15, 2026, 10:59 AM EDT
Terminated Phase 4 Interventional Results available

Pharmacokinetics (PK) and Safety Study of XARTEMIS® XR in Postsurgical Adolescent Subjects With Moderate to Severe Acute Pain

NCT02508935
View directory record Official record
Conditions
Acute Pain
Interventions
XARTEMIS XR
Drug
Lead sponsor
Mallinckrodt
Industry
Eligibility
12 Years to 17 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
2
States / cities
Durham, North Carolina • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 22, 2020 · Synced Oct 15, 2026, 10:59 AM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

A Comparison of Plasma Concentrations of Hydrocodone and Acetaminophen After Administration of Different Amounts of Tablets of a New and a Marketed Tablet Formulation in Healthy Adults

NCT03137030
View directory record Official record
Conditions
Opioid-Related Disorders, Pain, Acute, Pain, Postoperative
Interventions
GRT7014 - Abuse Deterrend Tablet, Norco 5Mg-325Mg Tablet
Drug
Lead sponsor
Grünenthal GmbH
Industry
Eligibility
18 Years to 55 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Jul 21, 2017 · Synced Oct 15, 2026, 10:59 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Pharmacoeconomics and Related Patient Outcomes of Multi-dose Intravenous Acetaminophen (OFIRMEV)

NCT02369211
View directory record Official record
Conditions
Prostatectomy, Pain
Interventions
Acetaminophen (Ofirmev), Placebo
Drug · Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 85 Years · Male only
Enrollment
86 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 11, 2019 · Synced Oct 15, 2026, 10:59 AM EDT
Completed Not applicable Interventional Results available

RelieVRx for Total Knee Arthroplasty (TKA) for the Reduction of Acute Postoperative Pain and Opioid Use

NCT04010266
View directory record Official record
Conditions
Opioid Use, Arthropathy of Knee, Pain, Postoperative
Interventions
RelieVRx headset, multi-modality pain management
Device · Drug
Lead sponsor
AppliedVR Inc.
Industry
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
3
States / cities
Danville, Pennsylvania • Wilkes-Barre, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 14, 2024 · Synced Oct 15, 2026, 10:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

'Acupuncture Therapy' for Pain and Function Recovery in Spine Surgery Patients

NCT01304979
View directory record Official record
Conditions
Pain, Low Back 'Spine Fusion' Surgery
Interventions
Acupuncture therapies, Control
Procedure
Lead sponsor
Beth Israel Medical Center
Other
Eligibility
21 Years and older
Enrollment
114 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 30, 2014 · Synced Oct 15, 2026, 10:59 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 15, 2026, 10:59 AM EDT
Recruiting Not applicable Interventional

Infusion of Cell Populations From Unlicensed Umbilical Cord Blood Units

NCT01451502
View directory record Official record
Conditions
Lymphatic Diseases, Hematopoietic Malignancy
Interventions
Umbilical Cord Blood (UCB)
Biological
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
Not listed
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2028
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 15, 2026, 10:59 AM EDT
Terminated Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Non-opioids for Analgesia After Adenotonsillectomy in Children

NCT03618823
View directory record Official record
Conditions
Adenotonsillectomy, Post-operative Analgesia, Opioid Use
Interventions
Oxycodone, Ibuprofen, Acetaminophen
Drug
Lead sponsor
David Chi, MD
Other
Eligibility
3 Years to 17 Years
Enrollment
268 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 10, 2021 · Synced Oct 15, 2026, 10:59 AM EDT
Recruiting Not applicable Interventional

Percutaneous Intervention Versus Observational Trial of Arterial Ductus in Low Weight Infants

NCT05547165
View directory record Official record
Conditions
Ductus Arteriosus, Patent
Interventions
Percutaneous Patent Ductus Arteriosus Closure (PPC), Responsive Management Intervention, Echocardiogram, cardiac
Device · Combination Product · Diagnostic Test
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
7 Days to 32 Days
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
24
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Los Angeles, California + 19 more
Source: ClinicalTrials.gov public record
Updated Mar 30, 2025 · Synced Oct 15, 2026, 10:59 AM EDT