Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Sep 25, 2026, 9:17 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Tylenol Clear all
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
200
States / cities
Gilbert, Arizona • Peoria, Arizona • Phoenix, Arizona + 162 more
Source: ClinicalTrials.gov public record
Updated May 10, 2026 · Synced Sep 25, 2026, 9:17 PM EDT
Completed Phase 3 Interventional

A Study of Extended-Release Hydrocodone/Acetaminophen (Vicodin CR®) in Subjects With Acute Pain Following Bunionectomy

NCT00402792
View directory record Official record
Conditions
Pain
Interventions
Hydrocodone/Acetaminophen Extended Release, Placebo
Drug
Lead sponsor
Abbott
Industry
Eligibility
18 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
5
States / cities
Austin, Texas • Houston, Texas • San Antonio, Texas + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 24, 2011 · Synced Sep 25, 2026, 9:17 PM EDT
Terminated Phase 4 Interventional Results available

NSAIDs vs Opioids for Post-op Pain in Supracondylar Humerus Fractures

NCT04905563
View directory record Official record
Conditions
Supracondylar Humerus Fracture
Interventions
Acetaminophen-Hydrocodone, Acetaminophen and Ibuprofen
Drug
Lead sponsor
Le Bonheur Children's Hospital
Other
Eligibility
4 Years to 13 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 7, 2024 · Synced Sep 25, 2026, 9:17 PM EDT
Completed Phase 3 Interventional Results available

Total Knee Arthroplasty (TKA) Study of HTX-011 in an Multimodal Analgesic Regimen (MMA) Regimen

NCT03974932
View directory record Official record
Conditions
Analgesia
Interventions
HTX-011, Ibuprofen, Acetaminophen, Celecoxib, +/- Bupivacaine HCl, Luer Lock Applicator
Drug · Device
Lead sponsor
Heron Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
6
States / cities
Sheffield, Alabama • Tamarac, Florida • Dayton, Ohio + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 1, 2026 · Synced Sep 25, 2026, 9:17 PM EDT
Completed Phase 3 Interventional Results available

Ibuprofen/Acetaminophen Versus Nurofen Plus® and Panadeine® Extra Dental Pain Study

NCT01229449
View directory record Official record
Conditions
Post-operative Pain
Interventions
Ibuprofen/acetaminophen, Ibuprofen/acetaminophen (higher dose), Nurofen Plus®, Panadeine® Extra, Placebo
Drug
Lead sponsor
Reckitt Benckiser LLC
Industry
Eligibility
16 Years and older
Enrollment
678 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Sep 16, 2018 · Synced Sep 25, 2026, 9:17 PM 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 12, 2015 · Synced Sep 25, 2026, 9:17 PM EDT
Active, not recruiting Phase 2 Interventional

Project 1 Aim 2, Adaptations of the Brain in Chronic Pain With Opioid Exposure

NCT05463367
View directory record Official record
Conditions
Opioid Use, Opioid Dependence, Opioid-use Disorder, Narcotic Use, Back Pain, Back Injuries, Chronic Pain, Chronic Low-back Pain, Pain, Chronic, Pain;Back Low;Chronic, Pain, Back
Interventions
Carbidopa-Levodopa 25 Mg-100 Mg Oral Tablet, Naproxen 500 Mg, Opioids
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 26, 2024 · Synced Sep 25, 2026, 9:17 PM EDT
Completed Not applicable Interventional Results available

Pain and Anxiety Management With Oral Narcotic for Pediatric Suture Repair

NCT01053637
View directory record Official record
Conditions
Children, Lacerations, Procedures, Child, Pain
Interventions
hydrocodone/acetaminophen, Sugar water
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
2 Years to 17 Years
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 24, 2021 · Synced Sep 25, 2026, 9:17 PM EDT
Completed Early Phase 1 Interventional

Does Oral Acetaminophen Lower Intraocular Pressure?

NCT02366065
View directory record Official record
Conditions
Glaucoma
Interventions
Acetaminophen
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 6, 2016 · Synced Sep 25, 2026, 9:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Gum Chewing on Appetite and Digestion

NCT01070212
View directory record Official record
Conditions
The Null Hypothesis is That Food Rheology Will Have no Effect on These Indices, The Alternate Hypothesis is That Increased Mechanical Stimulation Will Result in Stronger Satiation/Satiety and Reduced Energy Intake, It is Hypothesized That the Effects of Mastication Will be Less Evident in Obese Compared to Lean Individuals
Interventions
soft gum, firm gum, no gum
Other
Lead sponsor
Purdue University
Other
Eligibility
18 Years to 50 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
2
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Dec 14, 2023 · Synced Sep 25, 2026, 9:17 PM 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 6, 2026 · Synced Sep 25, 2026, 9:17 PM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy Study of Fentanyl Buccal Tablet Use in the Emergency Department for Isolated Extremity Injury

NCT01270659
View directory record Official record
Conditions
Pain
Interventions
Fentanyl, oxycodone/acetaminophen
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Tulsa, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jun 19, 2017 · Synced Sep 25, 2026, 9:17 PM EDT
Active, not recruiting Not applicable Interventional Results available

Safety and Effectiveness of the Ultrasonic Propulsion of Kidney Stones

NCT02028559
View directory record Official record
Conditions
Kidney Stones, Nephrolithiasis, Urolithiasis
Interventions
Propulse 1 with C5-2 probe, Propulse 1 with SC-X probe
Device
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
172 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2026
U.S. locations
2
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 31, 2026 · Synced Sep 25, 2026, 9:17 PM EDT
Completed Phase 2 Interventional

Chiropractic Care, Medication, and Self-Care for Neck Pain

NCT00029770
View directory record Official record
Conditions
Neck Pain
Interventions
Chiropractic spinal manipulation, Acetaminophen, Self-care, Non-Steroidal anti-inflammatory drugs (NSAIDS), Tylenol with codeine
Procedure · Drug · Behavioral
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
18 Years to 65 Years
Enrollment
270 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2007
U.S. locations
1
States / cities
Bloomington, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 24, 2008 · Synced Sep 25, 2026, 9:17 PM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy of COV795 in Moderate to Severe Post-Operative Bunionectomy Pain With an Open-label Extension

NCT01484652
View directory record Official record
Conditions
Pain, Postoperative, Bunion
Interventions
COV795, Placebo
Drug
Lead sponsor
Mallinckrodt
Industry
Eligibility
18 Years to 75 Years
Enrollment
329 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
5
States / cities
Bakersfield, California • Pasadena, California • Pasadena, Maryland + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 20, 2016 · Synced Sep 25, 2026, 9:17 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Assess the Safety, Tolerability, and Pharmacokinetics of AZD6234 Following Single Ascending Dose Administration to Healthy Subjects Who Are Overweight or Obese

NCT05511025
View directory record Official record
Conditions
Healthy Participants
Interventions
AZD6234, Placebo, Acetaminophen
Drug · Combination Product
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 55 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
2
States / cities
Glendale, California • Brooklyn, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 25, 2023 · Synced Sep 25, 2026, 9:17 PM EDT
Active, not recruiting Phase 2 Interventional Results available

The AVIATOR Study: Trastuzumab and Vinorelbine With Avelumab OR Avelumab & Utomilumab in Advanced HER2+ Breast Cancer

NCT03414658
View directory record Official record
Conditions
Breast Cancer
Interventions
Vinorelbine, Trastuzumab, Avelumab, Utomilumab
Drug
Lead sponsor
Adrienne G. Waks
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
17
States / cities
Birmingham, Alabama • San Francisco, California • Washington D.C., District of Columbia + 12 more
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Sep 25, 2026, 9:17 PM EDT
Terminated Phase 1 Interventional

Nonmyeloablative Allo Stem Cell Transplant for Severe Autoimmune Diseases

NCT00849745
View directory record Official record
Conditions
Systemic Lupus Erythematosus, Systemic Sclerosis
Interventions
Nonmyeloablative allogeneic stem cell transplant
Procedure
Lead sponsor
Duke University
Other
Eligibility
18 Years to 69 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2015
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 22, 2016 · Synced Sep 25, 2026, 9:17 PM EDT
Withdrawn Phase 2 Interventional

Efficacy of Acetaminophen in Posterior Fossa Surgery

NCT02532322
View directory record Official record
Conditions
Arnold-Chiari Malformation, Posterior Fossa Tumors
Interventions
IV acetaminophen, normal saline
Drug
Lead sponsor
Children's National Research Institute
Other
Eligibility
2 Years to 12 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Apr 7, 2021 · Synced Sep 25, 2026, 9:17 PM EDT
Completed Phase 4 Interventional Results available

Pain Control Following Sinus Surgery

NCT03783702
View directory record Official record
Conditions
Sinusitis, Opioid Use, Opioid Abuse, Narcotic Use, Otolaryngologic Disease, Postoperative Pain, Pain
Interventions
OxyCODONE 5 Mg (milligram) Oral Tablet, Ibuprofen 600 Mg (milligram) Oral Tablet, Acetaminophen 650 MG (milligram) Oral Tablet
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
5
States / cities
Stanford, California • Evanston, Illinois • Rochester, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 31, 2021 · Synced Sep 25, 2026, 9:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Intravenous Versus Oral Acetaminophen for Postoperative Pain Control After Cesarean Delivery

NCT02487303
View directory record Official record
Conditions
Pain, Postoperative
Interventions
Acetaminophen Intravenous, Acetaminophen Oral
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older · Female only
Enrollment
148 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Dec 4, 2018 · Synced Sep 25, 2026, 9:17 PM 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 29, 2018 · Synced Sep 25, 2026, 9:17 PM 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 6, 2019 · Synced Sep 25, 2026, 9:17 PM EDT
Recruiting Phase 2 Interventional

Optimizing Ancillary Therapies With Immune Checkpoint Inhibitors for Solid Tumors (OAT ICI)

NCT07661459
View directory record Official record
Conditions
Solid Tumors
Interventions
Asprin, Loratadine, Acetaminophen Avoidance, THC Avoidance
Drug · Behavioral
Lead sponsor
Val Adams
Other
Eligibility
18 Years to 99 Years
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Sep 25, 2026, 9:17 PM EDT