Comparative Pharmacology
Head-to-head clinical analysis: OXTRIPHYLLINE PEDIATRIC versus THEOCLEAR L A 260.
Head-to-head clinical analysis: OXTRIPHYLLINE PEDIATRIC versus THEOCLEAR L A 260.
OXTRIPHYLLINE PEDIATRIC vs THEOCLEAR L.A.-260
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Xanthine derivative that inhibits phosphodiesterase, increasing cyclic AMP levels; antagonizes adenosine receptors, leading to bronchodilation, central nervous system stimulation, and positive inotropic effects.
Theophylline causes bronchodilation by inhibiting phosphodiesterase, increasing cAMP levels, and antagonizing adenosine receptors.
200 mg orally every 6-8 hours; extended-release: 400-600 mg orally every 12 hours.
Theophylline (THEOCLEAR L.A.-260) 260 mg orally every 12 hours. Adjust dose based on serum theophylline concentrations to achieve 5-15 mcg/mL.
None Documented
None Documented
Neonates: 24-36 hours; Infants 1-6 months: 14-29 hours; Children 6-12 months: 9-18 hours; Children 1-9 years: 3-6 hours; Adults: 7-12 hours. Half-life prolonged in hepatic impairment, CHF, and COPD.
Terminal elimination half-life is approximately 6-12 hours in adults (range 3-12 hours, prolonged in congestive heart failure, liver disease, and with certain drugs). In neonates, half-life is prolonged (24-36 hours).
Renal (70-80% as unchanged drug, 10-15% as metabolites); biliary/fecal (<10%)
Renal elimination of unchanged drug (10%) and hepatic metabolism (90%). Metabolism is primarily via CYP1A2 and CYP3A4, with metabolites excreted in urine (about 80% of the dose) and feces (about 20%).
Category C
Category C
Bronchodilator
Bronchodilator