Disposition and excretion of cefoperazone in rabbits. 1987

E L Mariño, and C Fernández Lastra, and I Gonzalez Alonso, and A Dominguez-Gil

The pharmacokinetics of cefoperazone were studied after i.v. administration of a single 30 mg/kg dose in a total of 40 New Zealand rabbits. Determination of the plasma levels of the drug revealed a slow elimination half-life of 0.48 h. The disappearance half-life of cefoperazone in interstitial tissue fluid shows a mean value of 1.9 h, being statistically higher than the value found for the half-life of the slow phase of elimination from the systemic circulation. 12 h after i.v. administration, 32.1% of the drug was seen to be excreted by the kidney and a further 15.2% in bile. The urinary excretion constant had a mean value of 0.29 h-1, whereas that of biliary excretion was 0.12 h-1.

UI MeSH Term Description Entries
D007275 Injections, Intravenous Injections made into a vein for therapeutic or experimental purposes. Intravenous Injections,Injection, Intravenous,Intravenous Injection
D007700 Kinetics The rate dynamics in chemical or physical systems.
D008297 Male Males
D011817 Rabbits A burrowing plant-eating mammal with hind limbs that are longer than its fore limbs. It belongs to the family Leporidae of the order Lagomorpha, and in contrast to hares, possesses 22 instead of 24 pairs of chromosomes. Belgian Hare,New Zealand Rabbit,New Zealand Rabbits,New Zealand White Rabbit,Rabbit,Rabbit, Domestic,Chinchilla Rabbits,NZW Rabbits,New Zealand White Rabbits,Oryctolagus cuniculus,Chinchilla Rabbit,Domestic Rabbit,Domestic Rabbits,Hare, Belgian,NZW Rabbit,Rabbit, Chinchilla,Rabbit, NZW,Rabbit, New Zealand,Rabbits, Chinchilla,Rabbits, Domestic,Rabbits, NZW,Rabbits, New Zealand,Zealand Rabbit, New,Zealand Rabbits, New,cuniculus, Oryctolagus
D002438 Cefoperazone Semisynthetic broad-spectrum cephalosporin with a tetrazolyl moiety that is resistant to beta-lactamase. It may be used to treat Pseudomonas infections. Cefobid,Cefoperazon,Cefoperazone Sodium,Cefoperazone Sodium Salt,Céfobis,T-1551,T1551,Salt, Cefoperazone Sodium,Sodium Salt, Cefoperazone,Sodium, Cefoperazone,T 1551
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
D001646 Bile An emulsifying agent produced in the LIVER and secreted into the DUODENUM. Its composition includes BILE ACIDS AND SALTS; CHOLESTEROL; and ELECTROLYTES. It aids DIGESTION of fats in the duodenum. Biliary Sludge,Sludge, Biliary
D001681 Biological Assay A method of measuring the effects of a biologically active substance using an intermediate in vivo or in vitro tissue or cell model under controlled conditions. It includes virulence studies in animal fetuses in utero, mouse convulsion bioassay of insulin, quantitation of tumor-initiator systems in mouse skin, calculation of potentiating effects of a hormonal factor in an isolated strip of contracting stomach muscle, etc. Bioassay,Assay, Biological,Assays, Biological,Biologic Assay,Biologic Assays,Assay, Biologic,Assays, Biologic,Bioassays,Biological Assays

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