Pharmacokinetics of albendazole sulfoxide enantiomers administered in racemic form and separately in rats

BPS Capece, Glòria Castells Carles, Carlo Mauricio Godoy Olivares, Margarita Arboix Arzo, Carles Cristòfol Adell

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Resum

The pharmacokinetic behaviour of albendazole sulfoxide (ABZSO) enantiomers was studied in rats after the oral administration of 10 mg/kg of rac-ABZSO, 5 mg/kg of (−)-ABZSO or 5 mg/kg of (+)-ABZSO. The disposition profiles of ABZSO enantiomers were similar in all treatments, but the calculated area under the curve for the (−)-ABZSO was higher in all cases compared with (+)-ABZSO. The results suggest that there is no chiral inversion of ABZSO enantiomers. After the administration of rac-ABZSO, 17.2% of the total dose was recovered in urine as albendazole ABZ (0.1%), albendazole sulfone ABZSO2 (0.3%), albendazole 2-aminosulfone (ABZ-SO2NH2) (3.1%) and ABZSO (13.7%). The ratio (+) to (−) was similar in urine (1.6) and blood (1.7).
Idioma originalEnglish
Pàgines (de-a)297-299
Nombre de pàgines3
RevistaVeterinary Journal
Volum177
Número2
DOIs
Estat de la publicacióPublicada - d’ag. 2008

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