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Updated: Jun 17, 2026

An Intestine/Liver Microphysiological System for Drug Pharmacokinetic and Toxicological Assessment
Published on: December 3, 2020
Pharmacokinetics of intravenous omeprazole in critically ill paediatric patients
Maria Jose Solana1, Jesús López-Herce
1Hospital General Universitario Gregorio Marañón de Madrid, Spain. mjsolana@hotmail.com
Insights
Proton pump inhibitors are safe for children, but age impacts drug metabolism. Further studies are needed to establish optimal pediatric dosing for these gastrointestinal drugs.
Area of Science:
- Pharmacology
- Pediatrics
- Gastroenterology
Background:
- Proton pump inhibitors (PPIs) are primary treatments for gastrointestinal diseases.
- These drugs exhibit a favorable safety profile, allowing for pediatric use.
- Limited pharmacokinetic data exists for PPIs in children.
Purpose of the Study:
- To review the use of proton pump inhibitors in pediatric patients.
- To highlight the need for age-specific dosing due to metabolic variations.
- To discuss the application of PPIs in critically ill children.
Main Methods:
- Literature review of existing studies on PPI pharmacokinetics in children.
- Analysis of factors influencing drug metabolism based on age.
- Examination of PPI use in pediatric gastrointestinal hemorrhage prophylaxis and treatment.
Main Results:
- Age significantly affects proton pump inhibitor metabolism in children.
- Omeprazole is the most commonly used PPI in this population.
- Limited clinical experience exists for PPIs in critically ill pediatric patients.
Conclusions:
- Pediatric dosing of proton pump inhibitors requires age-specific adjustments.
- Further research is essential to determine optimal doses and intervals for children.
- Specific patient characteristics may alter PPI pharmacokinetics, necessitating tailored approaches.
Abstract:
The proton pump inhibitors are first-line drugs for the treatment of a number of gastrointestinal diseases. These drugs have a good safety profile, making it possible to use them in paediatric patients. Although their pharmacokinetics in children has not been extensively studied, research performed suggests that the dose used should be varied as a function of age, as this factor affects the drug's metabolism. Proton pump inhibitors can be used in critically ill children for the prophylaxis and treatment of gastrointestinal haemorrhage, although there is still little experience with this. The most widely used proton pump inhibitor at the present time is omeprazole. As there are specific characteristics of these patients that could alter the pharmacokinetics of the drugs, studies need to be performed to determine the most suitable dose and dosage interval.
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