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Methylxanthine therapy and reversible airway obstruction
The American Journal of Medicine
|December 20, 1985
Summary
Theophylline effectively treats reversible airway obstruction by improving lung function and reducing inflammation. Its therapeutic effects depend on plasma concentration, with careful dosing minimizing side effects for better patient outcomes.
Area of Science:
- Pharmacology
- Respiratory Medicine
Background:
- Theophylline is a bronchodilator for reversible airway obstruction.
- It offers additional benefits like improved diaphragm contraction and reduced mediator release.
Purpose of the Study:
- To review the pharmacological effects and clinical applications of theophylline.
- To discuss factors influencing theophylline dosage and administration routes.
Main Methods:
- Literature review of theophylline's pharmacokinetic and pharmacodynamic properties.
- Analysis of factors affecting theophylline clearance and therapeutic drug monitoring.
Main Results:
- Theophylline's efficacy correlates with plasma concentration, with minor adverse effects within therapeutic ranges.
- Dosage varies significantly due to individual clearance differences influenced by age, smoking, and health status.
Conclusions:
- Theophylline is a valuable treatment for airway obstruction, requiring individualized dosing.
- Both acute (IV, rapid-release) and long-term (sustained-release) formulations are available for optimal patient management and compliance.