Pharmacokinetics of sulpiride after oral and intravenous administration in the rat and the dog. 1976

J Segura, and L Borja, and O M Bakke

The plasma concentration of sulpiride was measured in the rat and in the dog after oral and i.v. administration of the drug. In the rat only traces (less than 1 mug/ml) of sulpiride were detected in plasma after an oral dose of 100 mg/kg. The peak concentrations in 3 dogs given 25, 50 or 100 mg/kg orally were 6.1, 15.6 and 23.9 mug/ml, respectively. The pharmacokinetic data after i.v. injection were compared to earlier observations with the related orthopramide compound, metoclopramide. The half-life of sulpiride in dog plasma (1.6 -- 3.4 hr) is longer than that of metoclopramide, but in the rat there is little difference between the two compounds. Both of the compounds have large total apparent volumes of distribution (1-2 1/kg) in the two species. The marked species difference in the systemic bioavailability of oral sulpiride should be taken into account when the orthopramide drugs are evaluated in pharmacological tests.

UI MeSH Term Description Entries
D007275 Injections, Intravenous Injections made into a vein for therapeutic or experimental purposes. Intravenous Injections,Injection, Intravenous,Intravenous Injection
D007408 Intestinal Absorption Uptake of substances through the lining of the INTESTINES. Absorption, Intestinal
D007700 Kinetics The rate dynamics in chemical or physical systems.
D008297 Male Males
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
D005260 Female Females
D006207 Half-Life The time it takes for a substance (drug, radioactive nuclide, or other) to lose half of its pharmacologic, physiologic, or radiologic activity. Halflife,Half Life,Half-Lifes,Halflifes
D000284 Administration, Oral The giving of drugs, chemicals, or other substances by mouth. Drug Administration, Oral,Administration, Oral Drug,Oral Administration,Oral Drug Administration,Administrations, Oral,Administrations, Oral Drug,Drug Administrations, Oral,Oral Administrations,Oral Drug Administrations
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
D013469 Sulpiride A dopamine D2-receptor antagonist. It has been used therapeutically as an antidepressant, antipsychotic, and as a digestive aid. (From Merck Index, 11th ed) Aiglonyl,Arminol,Deponerton,Desisulpid,Digton,Dogmatil,Dolmatil,Eglonyl,Ekilid,Guastil,Lebopride,Meresa,Pontiride,Psicocen,Sulp,Sulperide,Sulpitil,Sulpivert,Sulpor,Synédil,Tepavil,Vertigo-Meresa,neogama,vertigo-neogama,Vertigo Meresa,vertigo neogama

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