Related Experiment Video
Updated: Aug 19, 2026

A Computerized Test Battery to Study Pharmacodynamic Effects on the Central Nervous System of Cholinergic Drugs in Early Phase Drug Development
Published on: February 11, 2019
[Aspects of chronopharmacology in pediatrics]
Insights
Pediatric chronopharmacology research is limited, lacking data on infants and exploring only circadian rhythms in older children. This field offers improved drug precision and therapeutic outcomes through timed medication administration.
Area of Science:
- Pharmacology
- Chronobiology
- Pediatrics
Context:
- Current pediatric chronopharmacology is restricted to circadian rhythms in children aged 6-15.
- Data for neonates, infants, and infradian/ultradian rhythms in older children are lacking.
- Existing studies show biologic time-related changes in pharmacokinetics (phenytoin, theophylline) and effectiveness (orciprenaline, methylprednisolone).
Purpose:
- To highlight the limitations in current pediatric chronopharmacological research.
- To emphasize the need for exploring broader bioperiodicities (ultradian, infradian) in pediatric drug studies.
- To underscore the potential of chronopharmacology in pediatric medicine.
Summary:
- Pediatric chronopharmacology research has primarily focused on circadian rhythms in older children (6-15 years).
- Significant gaps exist in understanding drug responses in neonates and infants, as well as ultradian and infradian rhythms in children.
- Biologic time-dependent variations in drug pharmacokinetics and effectiveness have been observed.
Impact:
- Chronopharmacological approaches offer enhanced precision in pediatric drug studies compared to conventional methods.
- Optimized timing of medication administration can improve therapeutic efficacy and reduce adverse effects in children.
- Further research into pediatric chronopharmacology can lead to more personalized and effective treatments.
Abstract:
Pediatric chronopharmacological findings until now have been limited to circadian changes in children 6 to 15 years old. This means that (a) data in neonates and even in infants of one year is not available and (b) other bioperiodicities with periods of several hours (ultradian rhythms) as well as several months and about one year (infradian rhythms) have not been explored in older children. Biologic time-related changes have been documented for phenytoin and theophylline with regards to pharmacokinetics and for orciprenaline and methylprednisolone with regards to effectiveness (bronchodilatation). Despite the limited number of experiments performed to date, it is already possible to admit that, (a) a chronopharmacological approach provides better precision of pharmacologic study than the conventional approach not using time-related data; (b) better therapeutics can be achieved with the help of chronopharmacological facts since an appropriate timing in administration of a medicine usually enhances its desired effects and/or reduces its undesired effects.
More Related Videos
08:33Experimental Protocol for Examining Behavioral Response Profiles in Larval Fish: Application to the Neuro-stimulant Caffeine
Published on: July 24, 2018
10:02Event Related Potentials (ERPs) and other EEG Based Methods for Extracting Biomarkers of Brain Dysfunction: Examples from Pediatric Attention Deficit/Hyperactivity Disorder (ADHD)
Published on: March 12, 2020
Related Concept Videos
Chronopharmacokinetics: Circadian Rhythms and Influence on Drug Response
The time of drug administration is an important factor to consider, as it can influence the toxic dose of a drug. For example, a study conducted by Prins et al. in 1997 examined the effects of the timing of...
Chronopharmacokinetics: Time-Dependent Pharmacokinetics
Time-dependent pharmacokinetics refers to non-cyclical changes in drug rate processes over a period of time. It can lead to nonlinear pharmacokinetics, where the relationship between drug concentration and time is not proportional. Non-cyclical...
Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption
Pharmacokinetics in Pediatric Patients: Drug Distribution
Pharmacokinetics in Pediatric Patients: Drug Metabolism
Pharmacokinetics in Pediatric Patients: Drug Excretion