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[Peculiarities of theophylline therapy in childhood]
V Sollich1, R Schuster, W Thal
1Klinik für Kinderheilkunde, Medizinischen Akademie Magdeburg, DDR.
Insights
Pharmacokinetics of theophylline in children requires higher doses and careful monitoring. Saliva testing offers a reliable alternative to serum tests for managing childhood asthma effectively.
Area of Science:
- Pharmacology
- Pediatrics
- Clinical Pharmacy
Context:
- Theophylline pharmacokinetics differ significantly between children and adults.
- Children exhibit greater theophylline clearance, necessitating higher weight-based dosages.
- This leads to wider fluctuations in serum drug concentrations.
Purpose:
- To investigate theophylline pharmacokinetics in children with bronchial asthma.
- To evaluate the necessity of individualized dosing and serum drug level monitoring.
- To explore saliva drug level measurement as an alternative to serum testing.
Summary:
- Studies involving 280 children (ages 1-18) with asthma treated with theophylline confirm the need for personalized dosing and monitoring.
- Saliva theophylline level measurement is a reliable and less invasive alternative to serum testing.
- Drug level checks enhance patient compliance and understanding of treatment.
Impact:
- Improved effectiveness of asthma therapy in children through adequate dosing and monitoring.
- Potential for enhanced patient compliance and treatment outcomes.
- Highlights the importance of formulation, such as slow-release preparations, for optimizing pediatric theophylline therapy.
Abstract:
Profound knowledge of the pharmacokinetics of theophylline is a prerequisite to successful therapy. In children the clearance of theophylline is considerably greater than in adults. The required higher dosage in relation to body weight results in more pronounced oscillations of drug levels in serum. Investigations in 280 children in the age of 1 to 18 years with bronchial asthma, treated with theophylline compounds, confirm the necessity of individual dosage and surveillance of the drug level in serum. Instead of the determination of the drug level in serum, its measurement in saliva is sufficiently reliable and less molesting. Checks of drug level are also a valuable educational measure to improve patients' compliance with drug intake. The effectivity of asthma therapy in children could be decisively improved by an adequate formulation of a slow release preparation of theophylline.