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ClinicalTrials.gov public records Last synced Oct 24, 2026, 7:36 PM EDT

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Showing 817–840 of 979 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: APAP Clear all
Not listed Phase 4 Interventional Accepts healthy volunteers

Ibuprofen Plus Acetaminophen for Enhanced Pain Reduction

NCT04630834
View directory record Official record
Conditions
Pain, Acute
Interventions
Ibuprofen, Acetaminophen, Placebo
Drug
Lead sponsor
New York City Health and Hospitals Corporation
Other
Eligibility
3 Years to 20 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Apr 14, 2022 · Synced Oct 24, 2026, 7:36 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety of Intravenous Acetaminophen Vs Placebo for the Treatment of Endotoxin-Induced Fever in Healthy Adult Males

NCT00493311
View directory record Official record
Conditions
Fever
Interventions
IV Placebo, IV Acetaminophen, Reference Standard Endotoxin (RSE)
Drug · Biological
Lead sponsor
Mallinckrodt
Industry
Eligibility
18 Years to 75 Years · Male only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Oct 19, 2016 · Synced Oct 24, 2026, 7:36 PM EDT
Enrolling by invitation Not applicable Interventional

Alternatives to Dental Opioid Prescribing After Tooth Extraction

NCT06275191
View directory record Official record
Conditions
Analgesics, Opioid, Acute Pain, Tooth Extraction, Adolescent, Acetaminophen, Ibuprofen
Interventions
Multicomponent intervention, Usual care
Behavioral · Other
Lead sponsor
Douglas Oyler
Other
Eligibility
12 Years to 25 Years
Enrollment
38,159 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Oct 24, 2026, 7:36 PM EDT
Completed Phase 2 Interventional Results available

Effectiveness of an Opioid Sparing Pain Regimen in Cardiac Surgery

NCT03679013
View directory record Official record
Conditions
Pain, Postoperative
Interventions
Oral Gabapentin and Intravenous Acetaminophen (IV APAP), Opiate based pain regimen.
Drug
Lead sponsor
Inova Health Care Services
Other
Eligibility
18 Years to 85 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Falls Church, Virginia
Source: ClinicalTrials.gov public record
Updated Nov 8, 2022 · Synced Oct 24, 2026, 7:36 PM EDT
Completed Phase 4 Interventional Results available

The Effect of Ibuprofen on Post-partum Blood Pressure in Women With Hypertensive Disorders of Pregnancy

NCT02891174
View directory record Official record
Conditions
Hypertension, Pregnancy-Induced, Pre-eclampsia
Interventions
Ibuprofen, Acetaminophen
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 23, 2019 · Synced Oct 24, 2026, 7:36 PM EDT
Not listed Phase 2Phase 3 Interventional Accepts healthy volunteers

Efficacy of Steroids on Functional Outcomes After Musculoskeletal Injuries of the Hand

NCT05003596
View directory record Official record
Conditions
Hand Injuries, Finger Injuries
Interventions
Methylprednisolone Tablet, Standard Mobilization Treatment
Drug · Other
Lead sponsor
Robert Wood Johnson Barnabas Health
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
2
States / cities
Brick, New Jersey • Somerset, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 12, 2021 · Synced Oct 24, 2026, 7:36 PM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

A Comparison of Plasma Concentrations of Hydrocodone and Acetaminophen After Administration of a New and a Marketed Tablet Formulation Under Fasted and Fed Conditions in Healthy Adults

NCT03137017
View directory record Official record
Conditions
Opioid-Related Disorders, Pain, Acute, Pain, Postoperative
Interventions
Norco 5Mg-325Mg Tablet, GRT7014 - Abuse Deterrent Tablet
Drug
Lead sponsor
Grünenthal GmbH
Industry
Eligibility
18 Years to 55 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Jul 21, 2017 · Synced Oct 24, 2026, 7:36 PM EDT
Completed Phase 3 Interventional Results available

Management of Post-Tonsillectomy Pain in Pediatric Patients

NCT04551196
View directory record Official record
Conditions
Pain, Postoperative, Tonsillar Hypertrophy, Tonsillitis
Interventions
Alternating Acetaminophen and Ibuprofen, Combined Acetaminophen and Ibuprofen
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
4 Years to 17 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 11, 2024 · Synced Oct 24, 2026, 7:36 PM EDT
Not yet recruiting Phase 2 Interventional

Jaw Muscle Pain Post Wisdom Molar Surgery

NCT07094542
View directory record Official record
Conditions
Post Operative Pain, Impacted Third Molar Tooth, Muscle Pain
Interventions
Temporo-masseteric Nerve Block Injection, Oral Pain Medications only
Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Newark, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 18, 2026 · Synced Oct 24, 2026, 7:36 PM 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 24, 2026, 7:36 PM EDT
Completed Phase 2 Interventional Results available

Randomized Trial for Mixed Acute Rejection

NCT00771875
View directory record Official record
Conditions
Graft Rejection
Interventions
Rabbit Antithymocyte Globulin (RATG), Rituximab, Bortezomib, Acetaminophen, Antihistamine, Methylprednisolone
Drug
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
2
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 27, 2016 · Synced Oct 24, 2026, 7:36 PM EDT
Recruiting Phase 3 Interventional

Opioid-Sparing Joint Replacement

NCT07348627
View directory record Official record
Conditions
Pain Management, Opioid Consumption
Interventions
Placebo, Oxycodone 5 mg, Multimodal Non-Opioid Analgesia
Drug · Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 17, 2026 · Synced Oct 24, 2026, 7:36 PM EDT
Not yet recruiting Phase 4 Interventional

Intravenous Metoclopramide Versus Intravenous Acetaminophen for Acute Concussion Treatment

NCT07634393
View directory record Official record
Conditions
Concussion Post Syndrome, Head Trauma Injury
Interventions
Metoclopramide 10mg, Acetaminophen
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 24, 2026, 7:36 PM 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 24, 2026, 7:36 PM EDT
Completed Not applicable Interventional

Factors Affecting the Speed of Recovery After ACL Reconstruction

NCT03770806
View directory record Official record
Conditions
Anterior Cruciate Ligament Injury, ACL Injury, ACL - Anterior Cruciate Ligament Rupture
Interventions
Femoral Nerve Block, Adductor Nerve Block, No Block
Procedure · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 75 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 10, 2018 · Synced Oct 24, 2026, 7:36 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study of Ibuprofen 250 mg / Acetaminophen 500 mg Comparing The Antipyretic Effects in Healthy Male Volunteers

NCT02761980
View directory record Official record
Conditions
Fever
Interventions
Ibuprofen 250 mg / Acetaminophen 500 mg, Ibuprofen 250 mg, Acetaminophen 500 mg, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
290 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 7, 2018 · Synced Oct 24, 2026, 7:36 PM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers Results available

Opioid-Free Pain Protocol After Shoulder Arthroplasty

NCT05488847
View directory record Official record
Conditions
Shoulder Arthropathy, Shoulder Pain
Interventions
Celecoxib, Pregabalin, Tramadol, Dexamethasone, Acetaminophen, Ropivicaine, Epinephrine, Ketorolac, Tizanidine, Magnesium, Ibuprofen, Oxycodone Hydrochloride 5 Mg
Drug
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older
Enrollment
83 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 10, 2026 · Synced Oct 24, 2026, 7:36 PM EDT
Recruiting Phase 1Phase 2 Interventional

Opioid Drug Interaction Study

NCT06757140
View directory record Official record
Conditions
Drug Interactions, Drug Kinetics
Interventions
Alprazolam, Oxycodone, Placebo
Drug
Lead sponsor
Shanna Babalonis, PhD
Other
Eligibility
18 Years to 55 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Oct 24, 2026, 7:36 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Efficiency of Piezotome-Corticision Assisted Orthodontics

NCT02026258
View directory record Official record
Conditions
Mandibular Anterior Crowding, Piezocision, Pain Perception
Interventions
Piezotome-Corticision, Orthodontics
Procedure · Device
Lead sponsor
UConn Health
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 7, 2017 · Synced Oct 24, 2026, 7:36 PM EDT
Completed Not applicable Interventional Results available

Inhibition of Lipid Peroxidation During Cardiac Surgery

NCT01366976
View directory record Official record
Conditions
Cardiopulmonary Bypass Induced Lipid Peroxidation
Interventions
Acetaminophen
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 80 Years
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 27, 2015 · Synced Oct 24, 2026, 7:36 PM EDT
Completed Not applicable Interventional Results available

Continuous Subpleural Infusion of Bupivacaine

NCT01566838
View directory record Official record
Conditions
Postoperative Pain
Interventions
Subpleural pain catheter with infusion of 0.125% bupivacaine, Standard acute pain management
Drug
Lead sponsor
Inova Health Care Services
Other
Eligibility
18 Years and older
Enrollment
83 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Falls Church, Virginia
Source: ClinicalTrials.gov public record
Updated Dec 20, 2017 · Synced Oct 24, 2026, 7:36 PM EDT
Completed Not applicable Interventional Results available

Comparison Study Using APAP With and Without SensAwake in Patients With OSA and PTSD

NCT02549508
View directory record Official record
Conditions
Obstructive Sleep Apnea (OSA), Post-Traumatic Stress Disorder (PTSD)
Interventions
AutoCPAP with SensAwake On, AutoCPAP with SensAwake Off
Device
Lead sponsor
Fisher and Paykel Healthcare
Industry
Eligibility
18 Years and older
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 10, 2020 · Synced Oct 24, 2026, 7:36 PM 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 24, 2026, 7:36 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Opioid Use After Laparoscopic Salpingectomy

NCT06434233
View directory record Official record
Conditions
Opioid Use, Post-operative Pain, Sterility, Female
Interventions
Acetaminophen, Ibuprofen, Oxycodone
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older · Female only
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Oct 24, 2026, 7:36 PM EDT