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ClinicalTrials.gov public records Last synced Oct 19, 2026, 7:13 PM EDT

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Showing 1–24 of 948 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Acetaminophen/paracetamol Clear all
Withdrawn Early Phase 1 Interventional

Melphalan on Disease Burden Measured by Next Generation Sequencing Before AHCT (Autologous Hematopoietic Cell Transplant) for Multiple Myeloma

NCT05013437
View directory record Official record
Conditions
Multiple Myeloma
Interventions
Evomela, Next Generation Sequencing, Prochlorperazine, Acetaminophen, Diphenhydramine
Drug · Device
Lead sponsor
Koen van Besien
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 2, 2024 · Synced Oct 19, 2026, 7:13 PM EDT
Recruiting Phase 2 Interventional

Prescription Opioids, Brain Structure, and Cognition in Older Adults With Chronic Pain

NCT06837857
View directory record Official record
Conditions
Pain, Chronic
Interventions
Opioid, Opioid Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
65 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 8, 2026 · Synced Oct 19, 2026, 7:13 PM EDT
Completed Not applicable Interventional

Comparison of Acetaminophen With Codeine and Ibuprofen for Children With Injuries

NCT00474721
View directory record Official record
Conditions
Pain
Interventions
ibuprofen, acetaminophen with codeine
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
5 Years to 18 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2004
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated May 17, 2007 · Synced Oct 19, 2026, 7:13 PM EDT
Completed Phase 3 Interventional

A Double-Blind, Randomized, Active- and Placebo-Controlled, Multiple-Dose Multi-Center Phase 3 Study of the Safety and Efficacy of CL-108 in the Treatment of Moderate to Severe Acute Pain and Opioid-Induced Nausea and Vomiting (OINV)

NCT02462811
View directory record Official record
Conditions
Pain, Nausea, Vomiting
Interventions
CL-108 (hydrocodone 7.5 mg, acetaminophen 325 mg, promethazine 12.5 mg), Placebo, Norco (hyrdocodone 7,5 mg, acetaminophen 325 mg)
Drug
Lead sponsor
Joseph Hazelton
Industry
Eligibility
18 Years and older
Enrollment
552 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 3, 2016 · Synced Oct 19, 2026, 7:13 PM EDT
Completed Phase 4 Interventional Results available

Intravenous Acetaminophen for Non-Narcotic Postoperative Pain Management Following Knee Arthroscopy

NCT02025634
View directory record Official record
Conditions
Pain, Postoperative
Interventions
Intravenous Acetaminophen, Placebo (0.9% Normal Saline infusion)
Drug
Lead sponsor
AdventHealth
Other
Eligibility
18 Years to 89 Years
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Celebration, Florida
Source: ClinicalTrials.gov public record
Updated Oct 26, 2020 · Synced Oct 19, 2026, 7:13 PM EDT
Completed Phase 3 Interventional Results available

Maxigesic IV Phase 3 Bunionectomy Study

NCT02689063
View directory record Official record
Conditions
Post Operative Pain
Interventions
Maxigesic IV, IV Acetaminophen, IV Ibuprofen, Placebo IV
Drug
Lead sponsor
AFT Pharmaceuticals, Ltd.
Industry
Eligibility
18 Years to 65 Years
Enrollment
276 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
2
States / cities
Pasadena, Maryland • Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jul 6, 2021 · Synced Oct 19, 2026, 7:13 PM EDT
Completed Phase 1 Interventional

Pain Medications Following Thyroidectomy and Parathyroidectomy

NCT03640247
View directory record Official record
Conditions
Thyroid Disease, Parathyroid Diseases
Interventions
Non-narcotic group regimen, Narcotic group regimen
Drug
Lead sponsor
MetroHealth Medical Center
Other
Eligibility
18 Years and older
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 26, 2019 · Synced Oct 19, 2026, 7:13 PM EDT
Completed Not applicable Interventional

Characterizing the Effects of Platelet-Rich Fibrin (PRF) as a Palatal Wound Dressing on Quality of Life and Sleep Following Mucogingival Surgery. Study Was Conducted at the Air Force Post Graduate Dental School. All HIPPA Consents and Research Informed Consents Are Located at JBSA-Lackland.

NCT07637838
View directory record Official record
Conditions
Palatal Donor Site Wound Healing, Platelet Rich Fibrin, Sleep Quality, Pain, Analgesic Consumption
Interventions
Platelet rich fibrin, Control Group: collagen matrices or oxidized cellulose membrane
Procedure · Other
Lead sponsor
59th Medical Wing
Federal
Eligibility
18 Years to 99 Years
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Oct 19, 2026, 7:13 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 19, 2026, 7:13 PM EDT
Not listed Phase 2Phase 3 Interventional

Metabolism and Toxicity of Acetaminophen

NCT01328808
View directory record Official record
Conditions
Pain
Interventions
Acetaminophen/APAP
Drug
Lead sponsor
John van den Anker
Other
Eligibility
22 Weeks to 37 Weeks
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2022
U.S. locations
2
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Mar 2, 2022 · Synced Oct 19, 2026, 7:13 PM EDT
Completed Phase 2 Interventional Results available

Naproxen Sodium/Acetaminophen Proof of Concept Dosing Study

NCT03879408
View directory record Official record
Conditions
Pain
Interventions
440 mg naproxen sodium with 1000 mg acetaminophen, 220 mg naproxen sodium with 650 mg acetaminophen, 10 mg hydrocodone + 650 mg acetaminophen, 440 mg naproxen sodium, Placebo tablet
Drug
Lead sponsor
Johnson & Johnson Consumer Inc., McNeil Consumer Healthcare Division
Industry
Eligibility
17 Years to 50 Years
Enrollment
290 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 5, 2022 · Synced Oct 19, 2026, 7:13 PM EDT
Recruiting Phase 4 Interventional

Efficacy of Methylprednisolone for Pain Control After ACL Repair

NCT07158476
View directory record Official record
Conditions
ACL Surgery, Pain Management
Interventions
Meloxicam 15 mg, Medrol 4 MG Oral Tablet Includes Medrol Dosepak, Gabapentin 300 mg, Hydrocodone 5Mg/Acetaminophen 325Mg Tab, Ketorolac 10 Mg Oral Tablet
Drug
Lead sponsor
St. Louis University
Other
Eligibility
13 Years to 50 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 24, 2025 · Synced Oct 19, 2026, 7:13 PM EDT
Completed Phase 3 Interventional Results available

N-acetylcysteine in Non-Acetaminophen Pediatric Acute Liver Failure

NCT00248625
View directory record Official record
Conditions
Acute Liver Failure, Hepatic Encephalopathy
Interventions
N-acetylcysteine, Placebo
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
Up to 18 Years
Enrollment
184 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2010
U.S. locations
17
States / cities
San Francisco, California • Denver, Colorado • Atlanta, Georgia + 13 more
Source: ClinicalTrials.gov public record
Updated Jul 28, 2016 · Synced Oct 19, 2026, 7:13 PM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Effect of Postoperative Ketorolac on Bone Healing After Joint Fusion

NCT04872283
View directory record Official record
Conditions
Ketorolac, Joint Fusion
Interventions
great toe (1st metatarsophalangeal joint) fusion, IV Ketorolac, Ketorolac Pill, 5/325mg Oxycodone-Acetaminophen, Aspirin 81Mg Ec Tab
Procedure · Drug
Lead sponsor
Rothman Institute Orthopaedics
Other
Eligibility
18 Years and older
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 4, 2021 · Synced Oct 19, 2026, 7:13 PM EDT
Not yet recruiting Phase 4 Interventional

Post-op Analgesia of Nail Unit Procedures

NCT07820969
View directory record Official record
Conditions
Nail Diseases
Interventions
Suzetrigine, Oxycodone/Acetaminophen, Acetaminophen, Ibuprofen
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 19, 2026, 7:13 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 19, 2026, 7:13 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect on Acetaminophen Metabolism by Liquid Formulations

NCT01246713
View directory record Official record
Conditions
Acetaminophen Metabolism, Acetaminophen Poisoning, Drug Metabolism by Excipients
Interventions
Acetaminophen liquid formulation, Acetaminophen solid formulation
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 40 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 8, 2017 · Synced Oct 19, 2026, 7:13 PM EDT
Terminated Phase 2 Interventional

Inotuzumab Ozogamicin for Children With MRD Positive CD22+ Lymphoblastic Leukemia

NCT03913559
View directory record Official record
Conditions
Acute Lymphoblastic Leukemia
Interventions
Inotuzumab ozogamicin, Methotrexate, Hydrocortisone, Cytarabine, Diphenhydramine, Acetaminophen, Methylprednisolone
Drug
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Up to 21 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
2
States / cities
San Diego, California • Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Oct 19, 2026, 7:13 PM EDT
Completed Phase 3 Interventional Results available

Study of COV795 in Subjects With Osteoarthritis or Chronic Low Back Pain

NCT01451385
View directory record Official record
Conditions
Osteoarthritis, Low Back Pain
Interventions
COV795
Drug
Lead sponsor
Mallinckrodt
Industry
Eligibility
18 Years and older
Enrollment
376 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
42
States / cities
Tucson, Arizona • Anaheim, California • Buena Park, California + 33 more
Source: ClinicalTrials.gov public record
Updated Sep 18, 2020 · Synced Oct 19, 2026, 7:13 PM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Post Operative Pain Management for ACL Reconstruction

NCT05316168
View directory record Official record
Conditions
Pain, Postoperative
Interventions
Bupivacaine HCl 0.5% Injectable Solution, Dexamethasone, Infiltration between Popliteal Artery and Capsule of the knee (iPACK), Percocet 5Mg-325Mg Tablet
Drug · Procedure
Lead sponsor
Rothman Institute Orthopaedics
Other
Eligibility
18 Years and older
Enrollment
154 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 21, 2023 · Synced Oct 19, 2026, 7:13 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

IV Acetaminophen for Post-Operative Pain Management in Enhanced Recovery After Surgery (ERAS) Population

NCT03198871
View directory record Official record
Conditions
Abdominal Wall Hernia, Pancreatic Diseases, Bowel Disease, Gastric Disease
Interventions
Acetaminophen Injectable Product, Sodium Chloride 0.9%, Intravenous
Drug
Lead sponsor
Kathirvel Subramaniam
Other
Eligibility
18 Years and older
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 28, 2021 · Synced Oct 19, 2026, 7:13 PM EDT
Recruiting Phase 1Phase 2 Interventional

Stem Cell Transplantation in Crohn's Disease

NCT04224558
View directory record Official record
Conditions
Crohn Disease
Interventions
Mesna, Cyclophosphamide, Filgrastim, Apheresis catheter placement, Leukapheresis, Fludarabine, Methylprednisolone, Diphenhydramine, Acetaminophen, anti-thymocyte globulin (rabbit), lymphocyte immune globulin, Peripheral Blood Stem Cell Infusion, Cytoxan
Drug · Procedure · Biological
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
13 Years to 28 Years
Enrollment
15 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 Feb 20, 2026 · Synced Oct 19, 2026, 7:13 PM EDT
Completed Not applicable Interventional Results available

EHR-Based Medication Complete Communication Strategy to Promote Safe Opioid Use

NCT02431793
View directory record Official record
Conditions
Opioid Use, Unspecified
Interventions
EMC2 Strategy, SMS Text Reminders
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
652 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 25, 2019 · Synced Oct 19, 2026, 7:13 PM EDT
Completed Phase 1 Interventional Results available

CD19/CD22 Chimeric Antigen Receptor (CAR) T Cells in Children and Young Adults With Recurrent or Refractory CD19/CD22-expressing B Cell Malignancies

NCT03448393
View directory record Official record
Conditions
Lymphoma, Non-Hodgkin, Leukemia, Lymphocytic, B Cell, B-Cell Lymphoma, B-Cell Leukemia, Acute Lymphoid Leukemia, B-Non Hodgkin Lymphoma, B-NHL, B-All, Acute Lymphoblastic Leukemia, Acute Lymphocytic Leukemia
Interventions
CD19/CD22 CAR T-Cells, Fludarabine, Cyclophosphamide, Apheresis, Anti-emetic, Diphenhydramine, Acetaminophen, ECG, ECHO, MRI Brain, Bone marrow biopsy, Cardiac MRI
Biological · Drug · Procedure + 2 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
3 Years to 39 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 4, 2025 · Synced Oct 19, 2026, 7:13 PM EDT