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  • Title: Pharmacokinetics of dexamethasone in premature neonates.
    Author: Lugo RA, Nahata MC, Menke JA, McClead RE.
    Journal: Eur J Clin Pharmacol; 1996; 49(6):477-83. PubMed ID: 8706773.
    Abstract:
    OBJECTIVE: Dexamethasone is frequently used in premature neonates with bronchopulmonary dysplasia, however little is known about its disposition in this population. METHODS: We evaluated the pharmacokinetics of dexamethasone in 9 premature neonates with a mean gestational age of 27.3 weeks and a postnatal age of 21.8 days. RESULTS: There was a strong relationship between clearance (4.96 ml.min-1.kg-1) and gestational age ( r = 0.884). Pharmacokinetic parameters were grouped based on a gestational age of less than 27 weeks (Group I) and greater than 27 weeks (Group II). Mean clearance in group I and group II was 1.69 and 7,57 ml.min-1.kg-1, respectively. Mean distribution volume in group I and II was 1.26 and 2.19 l.kg-1, respectively. No significant relationships were noted between the disposition of dexamethasone and ventilator requirements or adverse effects. CONCLUSION: The pharmacokinetics of dexamethasone in premature neonates was related to gestational age.
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