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Aminophylline therapy in children: guidelines for dosage

P Rangsithienchai, R W Newcomb

    The Journal of Pediatrics
    |August 1, 1977
    PubMed

    Insights

    Aminophylline dosage for children requires careful monitoring to achieve therapeutic theophylline serum levels. Individual patient needs vary significantly, necessitating personalized dosing adjustments to prevent toxicity.

    Area of Science:

    • Pediatric Pharmacology
    • Clinical Pharmacy
    • Respiratory Medicine

    Background:

    • Aminophylline is a common bronchodilator used in pediatric asthma management.
    • Maintaining therapeutic theophylline serum levels is crucial for efficacy and safety.
    • Significant variability in drug metabolism exists among pediatric patients.

    Purpose of the Study:

    • To determine the oral aminophylline dosage required for therapeutic trough serum theophylline levels in children.
    • To investigate age-related differences in aminophylline dosage requirements.
    • To assess the consistency of serum theophylline levels with stable dosing regimens.

    Main Methods:

    • A study involving 150 pediatric patients aged 16 months to 19 years.
    • Oral aminophylline dosage was administered to achieve target serum theophylline concentrations.
    • Serum theophylline levels were frequently monitored to assess dosage requirements and patient variability.

    Main Results:

    • Dosage requirements for aminophylline were generally higher in children younger than 10 years.
    • Marked inter-individual variability in the dose-to-serum level relationship was observed across all age groups.
    • Consistent serum theophylline levels were generally maintained with stable oral aminophylline doses, though intercurrent illnesses could impact this.

    Conclusions:

    • Individualized oral aminophylline dosing based on frequent serum theophylline monitoring is essential.
    • Personalized dosing strategies are necessary to maintain therapeutic theophylline levels and minimize toxicity risks in pediatric patients.
    • The study highlights the need for careful dose titration in children receiving aminophylline therapy.

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