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Eur J Clin Pharmacol. 1993;45(3):287-9.

Time course of the changes in prednisolone pharmacokinetics after co-administration or discontinuation of rifampin.

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1
Department of Pharmacology, Clinical Pharmacology, Seoul National University College of Medicine, Korea.

Abstract

We have investigated changes in the pharmacokinetics of prednisolone caused by co-administration or discontinuation of rifampin. Serial IV pharmacokinetic studies of prednisolone (1 mg/kg) in groups of 3 patients over a 1 month period of rifampin co-treatment or after its withdrawal, revealed significant changes in the area under the curve, the total clearance, the non-renal clearance and the half-life. The changes in the pharmacokinetic parameters reached a 1.5 to 2-fold plateau after 2 weeks and the half maximal effect was attained within 5 days. Neither the volume of distribution nor the protein binding of prednisolone were significantly altered.

PMID:
8276057
DOI:
10.1007/bf00315399
[Indexed for MEDLINE]

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