• Anthony R Temple, Brigham R Temple, and Edwin K Kuffner.
• McNeil Consumer Healthcare, Fort Washington, Pennsylvania; Department of Pediatrics, University of Utah College of Medicine, Salt Lake City, Utah. Electronic address: atemple@its.jnj.com.
• Clin Ther. 2013 Sep 1; 35 (9): 1361-75.e1-45.

BackgroundA standardized approach to dosing acetaminophen in pediatric populations was published in 1983. That review proposed specific weight-related dosing for infants and children weighing 6 through 95 lb and an age-based schedule for children aged <4 months through 11 years. Subsequent clinical studies evaluating these and alternative doses of acetaminophen supported the recommended 10-15-mg/kg dose.ObjectiveThis article reviewed published and unpublished pediatric antipyretic data to provide a critical assessment of the 10-15-mg/kg oral dose and the current pediatric oral dosing schedules for acetaminophen.MethodsPublished literature and unpublished clinical trials that evaluated the antipyretic efficacy of acetaminophen in children were reviewed. The PubMed database was searched using the term acetaminophen or paracetamol, with study criteria limited to randomized, controlled trials; oral dosing; patient age <12 years; and publication between 1982 and August 2012. All of the sponsor's unpublished antipyretic clinical studies completed between 1980 and August 2012 and involving at least 1 oral-formulation acetaminophen-only treatment arm were identified. Data from published literature containing sufficient detail to verify doses; dosing frequency; and, when necessary, estimates from figures, and from acetaminophen arms of the unpublished studies were analyzed.ResultsThirteen unpublished trials enrolled 705 children to receive an oral dose of 10-15 mg/kg of acetaminophen. This dose resulted in a rapid onset of temperature reduction, with a maximum temperature decrement of ~3 hours following administration. Results from 40 published clinical trials in which 2332 children received oral acetaminophen for fever support these findings. The most common adverse events reported in any of the reported studies were gastrointestinal in nature and generally mild in intensity.ConclusionsData support the recommended 10-15-mg/kg oral dose and demonstrate that the age and weight schedules for over-the-counter acetaminophen proposed in 1983 remain appropriate.© 2013 Published by Elsevier HS Journals, Inc.

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