Further studies on nitrofurantoin excretion in dog hepatic bile. 1973

J D Conklin, and R J Sobers, and D L Wagner

1. Results obtained with a dog donor-recipient model indicate that following intravenous administration of nitrofurantoin sodium, nitrofurantoin is subjected to enterohepatic cycling. At least one-third of the nitrofurantoin originally excreted in the donors' bile after a nitrofurantoin dose of 3 mg/kg is reabsorbed intestinally in the recipients within 3 hours.2. After intraduodenal administration of a nitrofurantoin suspension to dogs at doses ranging from 2 to 12 mg/kg, about 10% of the dose is recovered in bile as nitrofurantoin within 6 hours. A hydrocholeretic effect was also observed which correlated with the amount of drug administered. Both biliary drug excretion and the related hydrocholeresis appeared linearly related over the drug dose range.3. The hydrocholeresis observed in dogs within 3 h after intravenously administered nitrofurantoin sodium, equivalent to 3 mg/kg nitrofurantoin, was at least ten times that seen following the intravenous administration of an equimolar dose of dehydrocholic acid given as its sodium salt.

UI MeSH Term Description Entries
D007668 Kidney Body organ that filters blood for the secretion of URINE and that regulates ion concentrations. Kidneys
D008099 Liver A large lobed glandular organ in the abdomen of vertebrates that is responsible for detoxification, metabolism, synthesis and storage of various substances. Livers
D008297 Male Males
D009582 Nitrofurantoin A urinary anti-infective agent effective against most gram-positive and gram-negative organisms. Although sulfonamides and antibiotics are usually the agents of choice for urinary tract infections, nitrofurantoin is widely used for prophylaxis and long-term suppression. Furadantin,Furadantine,Furadoine,Furadonine,Furantoin,Macrodantin,Nitrofurantoin Sodium Salt,Nitrofurantoin, Monohydrate
D002756 Cholagogues and Choleretics Gastrointestinal agents that stimulate the flow of bile into the duodenum (cholagogues) or stimulate the production of bile by the liver (choleretic). Choleretics,Cholagogues,Cholagogues, Choleretics,Choleretics and Cholagogues,Hydrocholeretics
D003685 Dehydrocholic Acid A semisynthetic bile acid made from cholic acid. It is used as a cholagogue, hydrocholeretic, diuretic, and as a diagnostic aid. Dehydrocholate,Ketocholanic Acid,Triketocholanic Acid,Trioxocholate,(5beta)-3,7,12-Trioxocholan-24-oic Acid,Atrocholin,Cholan-HMB,Chologon,Decholin,Dehydrocholic Acid, Lithium Salt,Dehydrocholic Acid, Magnesium Salt,Dehydrocholic Acid, Potassium Salt,Dehydrocholic Acid, Sodium Salt,Sodium Dehydrocholate,Cholan HMB,CholanHMB,Dehydrocholate, Sodium
D004285 Dogs The domestic dog, Canis familiaris, comprising about 400 breeds, of the carnivore family CANIDAE. They are worldwide in distribution and live in association with people. (Walker's Mammals of the World, 5th ed, p1065) Canis familiaris,Dog
D004305 Dose-Response Relationship, Drug The relationship between the dose of an administered drug and the response of the organism to the drug. Dose Response Relationship, Drug,Dose-Response Relationships, Drug,Drug Dose-Response Relationship,Drug Dose-Response Relationships,Relationship, Drug Dose-Response,Relationships, Drug Dose-Response
D004386 Duodenum The shortest and widest portion of the SMALL INTESTINE adjacent to the PYLORUS of the STOMACH. It is named for having the length equal to about the width of 12 fingers. Duodenums
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

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