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ClinicalTrials.gov public records Last synced Oct 21, 2026, 12:12 AM EDT

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Showing 1–24 of 186 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: acetaminophen Tablet Clear all
Completed Phase 4 Interventional

Treatment of Cognitive and Negative Symptoms in Schizophrenia With N-acetylcysteine

NCT02505477
View directory record Official record
Conditions
Schizophrenia, Cognitive Deficits, Schizophrenia; Negative Type
Interventions
N-acetylcysteine, Treatment as Usual
Drug · Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 65 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 15, 2023 · Synced Oct 21, 2026, 12:12 AM EDT
Enrolling by invitation Phase 4 Interventional

Musculoskeletal Outcomes Using Tylenol/Ibuprofen vs. Oral Steroids in New Injuries

NCT07393503
View directory record Official record
Conditions
Musculoskeletal Pain
Interventions
Methylprednisolone 4Mg Tab, Acetaminophen 500Mg Tab, Ibuprofen 200Mg Oral Tablet
Drug
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 21, 2026, 12:12 AM EDT
Completed Phase 3 Interventional Results available

Randomized, Double-Blind, Single-Dose, Efficacy and Safety Study of Test Acetaminophen Tablet in Postoperative Dental Pain

NCT03224403
View directory record Official record
Conditions
Post-operative Dental Pain
Interventions
Test acetaminophen, Commercial acetaminophen, Commercial ibuprofen, Placebo
Drug
Lead sponsor
Johnson & Johnson Consumer Inc., McNeil Consumer Healthcare Division
Industry
Eligibility
17 Years to 50 Years
Enrollment
664 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 15, 2021 · Synced Oct 21, 2026, 12:12 AM 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 25, 2011 · Synced Oct 21, 2026, 12:12 AM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate the Analgesic Efficacy and Safety of Hydrocodone Bitartrate/Acetaminophen Immediate-Release Tablets in Participants With Moderate to Severe Pain Following Bunionectomy

NCT02487108
View directory record Official record
Conditions
Pain
Interventions
TV-46763, Placebo
Drug
Lead sponsor
Teva Branded Pharmaceutical Products R&D, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
569 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
8
States / cities
Phoenix, Arizona • Anaheim, California • Bakersfield, California + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 31, 2022 · Synced Oct 21, 2026, 12:12 AM EDT
Active, not recruiting Phase 3 Interventional

A Study to Evaluate Sacituzumab Tirumotecan (MK-2870) in Advanced/Metastatic Gastroesophageal Adenocarcinoma (MK-2870-015)

NCT06356311
View directory record Official record
Conditions
Gastroesophageal Cancer
Interventions
Sacituzumab tirumotecan, Trifluridine-Tipiracil, Irinotecan, Paclitaxel, Docetaxel, Rescue medications, Supportive care measures
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
17
States / cities
Gilbert, Arizona • Los Angeles, California • Orlando, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Feb 27, 2026 · Synced Oct 21, 2026, 12:12 AM EDT
Completed Not applicable Interventional

The Effect of Prolonged Multimodal Analgesic Regimen on Post Hospital Discharge Opioid Use and Pain Control After Primary Total Knee Arthroplasty

NCT04003350
View directory record Official record
Conditions
Osteo Arthritis Knee
Interventions
Oxycodone, Tramadol, Tylenol, Meloxicam, Gabapentin, Metaxalone, Esomeprazole 20mg
Drug
Lead sponsor
Rothman Institute Orthopaedics
Other
Eligibility
18 Years and older
Enrollment
216 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 1, 2019 · Synced Oct 21, 2026, 12:12 AM EDT
Terminated Early Phase 1 Interventional Accepts healthy volunteers

Pain Management Following Sinus Surgery

NCT03822962
View directory record Official record
Conditions
Nasal Sinus; Inflammation, Opioid Abuse, Pain, Postoperative
Interventions
Ibuprofen 600Mg Tablet, Standard Regimen | Tylenol
Drug · Other
Lead sponsor
University of Nebraska
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
2
States / cities
Omaha, Nebraska • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 6, 2023 · Synced Oct 21, 2026, 12:12 AM EDT
Terminated Phase 3 Interventional Results available

Ibuprofen to Decrease Opioid Use and Post-operative Pain Following Unilateral Inguinal Herniorrhaphy

NCT02929589
View directory record Official record
Conditions
Pain, Hernia
Interventions
Ibuprofen, Opioid Medication, Placebo, Ibuprofen + Opioid medication
Drug
Lead sponsor
Mike O'Callaghan Military Hospital
Federal
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Nellis Air Force Base, Nevada
Source: ClinicalTrials.gov public record
Updated Mar 26, 2024 · Synced Oct 21, 2026, 12:12 AM EDT
Completed Phase 1 Interventional

Patient Controlled Administration of Liquid Acetaminophen

NCT06498713
View directory record Official record
Conditions
Pain, Pain, Postoperative
Interventions
Acetaminophen 650 mg Oral Tablet, Acetaminophen 650mg Liquid, CADD pump
Drug · Device
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Oct 21, 2026, 12:12 AM EDT
Recruiting Not applicable Interventional

Opioid Tapering After Hospital Discharge: Testing an Intervention to Improve Post-operative Opioid Prescribing

NCT07510373
View directory record Official record
Conditions
Opioid Tapering
Interventions
Treatment as Usual (TAU), Telephonic Support (TS) Providers, DOTS Intervention
Other
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Oct 21, 2026, 12:12 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Evaluate Onset of Action of a Fast Release Aspirin

NCT01420094
View directory record Official record
Conditions
Healthy Subjects
Interventions
Acetylsalicyclic acid (Fast release Aspirin, BAY1019036), Acetaminophen (Tylenol extra strength), Placebo
Drug
Lead sponsor
Bayer
Industry
Eligibility
16 Years to 45 Years
Enrollment
510 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 19, 2018 · Synced Oct 21, 2026, 12:12 AM EDT
Completed Phase 4 Interventional Results available

Efficacy of IV Acetaminophen Versus Oral Acetaminophen

NCT03365622
View directory record Official record
Conditions
Nephrectomy
Interventions
Acetaminophen, Placebos, Placebo Oral Tablet
Drug
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 89 Years
Enrollment
214 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jun 29, 2025 · Synced Oct 21, 2026, 12:12 AM EDT
Completed Phase 3 Interventional Results available

Maxigesic 325 Acute Dental Pain Study

NCT01420653
View directory record Official record
Conditions
Dental Pain
Interventions
Maxigesic 325, Acetaminophen, Ibuprofen, Placebo
Drug
Lead sponsor
AFT Pharmaceuticals, Ltd.
Industry
Eligibility
18 Years to 60 Years
Enrollment
408 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Dec 6, 2018 · Synced Oct 21, 2026, 12:12 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Randomized-controlled Trial of Post-operative Opiate Quantities After Urogynecologic Surgery

NCT03319277
View directory record Official record
Conditions
Postoperative Pain, Opioid Use
Interventions
Decreased opiate prescription, Routine opiate prescription
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
118 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 31, 2019 · Synced Oct 21, 2026, 12:12 AM EDT
Active, not recruiting Phase 3 Interventional Results available

SC Versus IV Isatuximab in Combination With Pomalidomide and Dexamethasone in RRMM

NCT05405166
View directory record Official record
Conditions
Plasma Cell Myeloma Recurrent
Interventions
Isatuximab IV, Isatuximab SC, Dexamethasone, Pomalidomide, Montelukast, Paracetamol / Acetaminophen, Diphenhydramine, Methylprednisolone
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older
Enrollment
531 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
13
States / cities
Aurora, Colorado • Jacksonville, Florida • Plantation, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Oct 21, 2026, 12:12 AM EDT
Completed Phase 2 Interventional

Pilot Study of the Efficacy and Safety of Q8003 in Patients Who Have Undergone Total Knee Arthroplasty or Total Hip Arthroplasty

NCT00818493
View directory record Official record
Conditions
Postoperative Pain
Interventions
Q8003 (morphine sulfate and oxycodone hydrochloride), Low dose Q8003 (morphine sulfate and oxycodone hydrochloride), Percocet (oxycodone and acetaminophen)
Drug
Lead sponsor
QRxPharma Inc.
Industry
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
4
States / cities
Birmingham, Alabama • Phoenix, Arizona • Royal Oak, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated May 17, 2012 · Synced Oct 21, 2026, 12:12 AM EDT
Completed Phase 2 Interventional Results available

Paxerol™ for Treatment of Nocturia - A Phase II Placebo-Controlled Trial

NCT02646826
View directory record Official record
Conditions
Nocturia
Interventions
Placebo, Paxerol - Dose Level 1, Paxerol - Dose Level 2, Paxerol - Dose Level 3
Other · Drug
Lead sponsor
Wellesley Pharmaceuticals, LLC
Industry
Eligibility
18 Years and older
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
4
States / cities
Brooklyn, New York • Harrison, New York • New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 14, 2019 · Synced Oct 21, 2026, 12:12 AM EDT
Completed Phase 3 Interventional Results available

Evaluation of Efficacy and Safety of Suzetrigine for Acute Pain After an Abdominoplasty

NCT05558410
View directory record Official record
Conditions
Acute Pain
Interventions
Suzetrigine (SUZ), HB/APAP, Placebo (matched to SUZ), Placebo (matched to HB/APAP)
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 80 Years
Enrollment
1,118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
12
States / cities
Sheffield, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 1, 2025 · Synced Oct 21, 2026, 12:12 AM EDT
Terminated Phase 2 Interventional Results available

Belatacept to Prevent Organ Rejection in Kidney Transplant Patients

NCT00346151
View directory record Official record
Conditions
Renal Transplant
Interventions
Belatacept, Sirolimus, Anti-thymocyte globulin, methylprednisolone
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 65 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
2
States / cities
San Francisco, California • Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 21, 2017 · Synced Oct 21, 2026, 12:12 AM EDT
Completed Phase 3 Interventional

Study of Acetaminophen (ACM) in Post-operative Dental Pain

NCT02735122
View directory record Official record
Conditions
Post Operative Dental Pain
Interventions
acetaminophen Tablet, acetaminophen Caplet, ibuprofen Liquid-filled capsule, Placebo Tablet, Placebo Caplet, Placebo Liquid-filled capsule
Drug
Lead sponsor
Johnson & Johnson Consumer Inc., McNeil Consumer Healthcare Division
Industry
Eligibility
17 Years to 50 Years
Enrollment
420 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Sep 28, 2022 · Synced Oct 21, 2026, 12:12 AM EDT
Recruiting Phase 2 Interventional

NSAID Use After Robotic Partial Nephrectomy

NCT05842044
View directory record Official record
Conditions
Kidney Cancer, Renal Cancer, Renal Neoplasm
Interventions
Ketorolac, Acetaminophen, Oxycodone, Hydromorphone, Ibuprofen
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 99 Years
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 21, 2026, 12:12 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Opiates and Benzodiazepines on Driving

NCT03447353
View directory record Official record
Conditions
Driving Behavior
Interventions
Xanax 1Mg Tablet, Norco 10Mg-325Mg Tablet, Placebo Oral Tablet
Drug
Lead sponsor
Timothy L. Brown
Other
Eligibility
18 Years to 40 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Sep 27, 2018 · Synced Oct 21, 2026, 12:12 AM EDT
Completed Not applicable Interventional Results available

The Post-Operative Pain Management of Pediatric Supracondylar Elbow Fractures

NCT01328782
View directory record Official record
Conditions
Elbow Fracture
Interventions
Oxycodone with Acetaminophen, Bupivacaine 0.25%, Ropivacaine 0.20%
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
4 Years to 12 Years
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 23, 2015 · Synced Oct 21, 2026, 12:12 AM EDT