Absorption and excretion of iodixanol after intragastric administration to rats. 1995

J A Dunkel, and I F Helund, and P B Jacobsen, and D Grant, and P Walday, and H Refsum
Research & Development, Nycomed Imaging AS, Oslo, Norway.

Absorption and excretion of iodixanol 320 mg I/ml were investigated in rats after intragastric administration of 2.5 g I/kg b.w. Animals were observed for up to 96 hours after treatment, and blood, urine and feces taken at several time-points throughout the experiment. Concentrations of iodixanol in serum and urine were measured by means of reversed-phase high-performance liquid chromatography. Fecal concentrations of iodixanol, based on iodine measurements, were determined by X-ray fluorescence spectrometry. Serial radiographs were obtained and histopathological examination was performed on selected tissues. The results indicate that less than 1% of the intragastric dose of iodixanol is absorbed from the intestine into the blood stream. No adverse clinical signs were observed, and there were no treatment-related histomorphological findings.

UI MeSH Term Description Entries
D007408 Intestinal Absorption Uptake of substances through the lining of the INTESTINES. Absorption, Intestinal
D008297 Male Males
D003287 Contrast Media Substances used to allow enhanced visualization of tissues. Radiopaque Media,Contrast Agent,Contrast Agents,Contrast Material,Contrast Materials,Radiocontrast Agent,Radiocontrast Agents,Radiocontrast Media,Agent, Contrast,Agent, Radiocontrast,Agents, Contrast,Agents, Radiocontrast,Material, Contrast,Materials, Contrast,Media, Contrast,Media, Radiocontrast,Media, Radiopaque
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D014283 Triiodobenzoic Acids Triiodo-substituted derivatives of BENZOIC ACID. Triiodobenzoic Acid,Acid, Triiodobenzoic,Acids, Triiodobenzoic
D017208 Rats, Wistar A strain of albino rat developed at the Wistar Institute that has spread widely at other institutions. This has markedly diluted the original strain. Wistar Rat,Rat, Wistar,Wistar Rats
D051381 Rats The common name for the genus Rattus. Rattus,Rats, Laboratory,Rats, Norway,Rattus norvegicus,Laboratory Rat,Laboratory Rats,Norway Rat,Norway Rats,Rat,Rat, Laboratory,Rat, Norway,norvegicus, Rattus

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