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  • Title: Pharmacokinetics and safety of montelukast in children aged 3 to 6 months.
    Author: Knorr B, Maganti L, Ramakrishnan R, Tozzi CA, Migoya E, Kearns G.
    Journal: J Clin Pharmacol; 2006 Jun; 46(6):620-7. PubMed ID: 16707408.
    Abstract:
    The single-dose population estimate of the area under the concentration-time curve (AUC(pop)) from time zero to infinity (AUC(0-infinity)), maximum plasma concentration (C(max)), and time to C(max) (t(max)) of montelukast 4-mg oral granules were investigated in infants aged 3 to 6 months. Montelukast concentrations were quantitated after a single 4-mg dose of montelukast oral granules. Pharmacokinetic parameters were determined using a population-based approach with a nonlinear mixed-effect, 1-compartment model with first-order absorption and elimination. Ninety-five percent confidence intervals for the AUC(pop) ratio (3 to 6 months/6 to 24 months) were determined. Safety and tolerability were assessed. Montelukast 4-mg oral granules in children 3 to 6 months of age yielded systemic exposure (AUC(pop) = 3644.3 +/- 481.5 ng x h/mL) similar to that observed in children aged 6 to 24 months (3226.6 +/- 250.0 ng x h/mL). Systemic exposure after a 4-mg dose of montelukast as oral granules is similar in children aged 3 to 6 months and 6 to 24 months.
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