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Biopharm Drug Dispos. 2003 Jul;24(5):199-204.

Time dependent pharmacokinetics of albendazole in human.

Author information

1
Department of Pharmaceutics, Faculty of Pharmacy, Tehran University of Medical Sciences, PO Box 14155/6451, Tehran, Iran.

Abstract

The pharmacokinetics of the main metabolites of albendazole (albendazole sulphoxide (ABZ-SO) and albendazole sulphone (ABZ-SO2) were studied in 12 healthy human volunteers in a double blind design on the first and last days of oral administration of 800 mg albendazole daily for 15 days. No significant differences were observed in C(max), T(max) and V(d)/F of ABZ-SO, whereas the AUC, AUMC and T(1/2) of this metabolite were significantly reduced and Cl/F was significantly increased in multiple dosing. There were also no significant differences in the C(max), T(max), V(d)/F and T(1/2) of ABZ-SO2, whereas the AUC and AUMC of this metabolite were significantly reduced and Cl/F was significantly increased in multiple dosing. These observations suggest time dependent pharmacokinetics of albendazole (observed for ABZ-SO and ABZ-SO2), which was explained on the basis of the induction of enzymes involved in the metabolism of ABZ-SO (albendazole sulphoxide) to metabolites other than albendazole sulphone in multiple dosing.

PMID:
12784319
DOI:
10.1002/bdd.355
[Indexed for MEDLINE]

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