Pharmacokinetic study of two pharmaceutical preparations containing alkaloid vincamine administered orally to human subjects. 1983

H Millart, and D Lamiable, and G Houin, and M Plat, and H Choisy, and J P Tillement

In a crossover study of six healthy volunteers the pharmacokinetics and the bioavailability of vincamine were studied after administration of two oral forms. All subjects received an oral dose of 60 mg vincamine. The plasma concentrations of the drug were determined by a specific and sensitive gas chromatographic method. In this kind of subject the drug generally follows a one-compartment kinetic model. The average value of Tmax is 1.4 +/- 0.5 h-1 with the tablets and 1 +/- 0.6 h-1 with the solution; the Cmax are, respectively, 155 +/- 82 micrograms . 1(-1) and 133 +/- 104 micrograms . 1(-1). The AUC are 443 +/- 156 micrograms . 1(-1) h with the tablets and 315 +/- 178 micrograms . 1(-1) h with the solution. The short elimination phases, 1.43 +/- 0.80 h with the tablets and 1.55 +/- 0.78 h with the solution should be taken into account during chronic administration.

UI MeSH Term Description Entries
D007700 Kinetics The rate dynamics in chemical or physical systems.
D008297 Male Males
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
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
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
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
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D001682 Biological Availability The extent to which the active ingredient of a drug dosage form becomes available at the site of drug action or in a biological medium believed to reflect accessibility to a site of action. Availability Equivalency,Bioavailability,Physiologic Availability,Availability, Biologic,Availability, Biological,Availability, Physiologic,Biologic Availability,Availabilities, Biologic,Availabilities, Biological,Availabilities, Physiologic,Availability Equivalencies,Bioavailabilities,Biologic Availabilities,Biological Availabilities,Equivalencies, Availability,Equivalency, Availability,Physiologic Availabilities
D012996 Solutions The homogeneous mixtures formed by the mixing of a solid, liquid, or gaseous substance (solute) with a liquid (the solvent), from which the dissolved substances can be recovered by physical processes. (From Grant & Hackh's Chemical Dictionary, 5th ed) Solution

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