Preclinical modeling of the possible effect of acute uremia on drug resorption in the gastrointestinal tract

Bohdanecká, M.; Schück, O.; Reitschlägerová, V.; Sedivý, J.

Casopis Lekaru Ceskych 129(45): 1431-1433


ISSN/ISBN: 0008-7335
PMID: 2249241
Document Number: 366346
The authors investigated in experiments on rats the course of serum concentrations of sulfisoxazole (S) and acetylsulfisoxazole (AS) in normal rats and in rats after bilateral nephrectomy after intra gastric administration of S. Serum concentrations of S and AS during the first three hours following administration did not differ significantly or were very close. During the subsequent hours the serum concentrations of S and AS in uraemic animals were significantly higher than in controls. The value of the absorption constant in the uraemic animals was on average higher and the absorption half-life lower than in controls. The assembled results suggest that in acute uraemia in rats the intestinal reabsorption of S and its metabolism in the liver are not reduced. The findings support the idea that the model used could be useful in preclinical research of drugs used in the treatment of acute uraemia.

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