Kinetics of fluphenazine after fluphenazine dihydrochloride, enanthate and decanoate administration to man. 1979

S H Curry, and R Whelpton, and P J de Schepper, and S Vranckx, and A A Schiff

1 Fluphenazine (1,2-ethanol 14C) was administered to seven human subjects as the dihydrochloride and as the enanthate and decanoate esters. 2 The subjects had previously been treated with fluphenazine injections for at least 6 months. 3 Fluphenazine was separated from its radioactive metabolites by selective solvent extraction. Plasma concentrations were measured for up to 21 days after dosing. 4 The preparations showed differences in peak concentrations, times of the peaks and half-times of the elimination phase. The longest half-times occurred with the decanoate and the shortest with the dihydrochloride. 5 It is postulated that the differences in kinetics relate principally to the release of the compound from the site of injection. 6 There was no evidence for presence of the esters in plasma, urine or faeces.

UI MeSH Term Description Entries
D007700 Kinetics The rate dynamics in chemical or physical systems.
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D002712 Chlorides Inorganic compounds derived from hydrochloric acid that contain the Cl- ion. Chloride,Chloride Ion Level,Ion Level, Chloride,Level, Chloride Ion
D002849 Chromatography, Gas Fractionation of a vaporized sample as a consequence of partition between a mobile gaseous phase and a stationary phase held in a column. Two types are gas-solid chromatography, where the fixed phase is a solid, and gas-liquid, in which the stationary phase is a nonvolatile liquid supported on an inert solid matrix. Chromatography, Gas-Liquid,Gas Chromatography,Chromatographies, Gas,Chromatographies, Gas-Liquid,Chromatography, Gas Liquid,Gas Chromatographies,Gas-Liquid Chromatographies,Gas-Liquid Chromatography
D002855 Chromatography, Thin Layer Chromatography on thin layers of adsorbents rather than in columns. The adsorbent can be alumina, silica gel, silicates, charcoals, or cellulose. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Chromatography, Thin-Layer,Thin Layer Chromatography,Chromatographies, Thin Layer,Chromatographies, Thin-Layer,Thin Layer Chromatographies,Thin-Layer Chromatographies,Thin-Layer Chromatography
D003651 Decanoates Salts and esters of the 10-carbon monocarboxylic acid-decanoic acid.
D005476 Fluphenazine A phenothiazine used in the treatment of PSYCHOSES. Its properties and uses are generally similar to those of CHLORPROMAZINE. Flufenazin,Fluphenazine Hydrochloride,Lyogen,Prolixin,Hydrochloride, Fluphenazine
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
D006537 Heptanoates Salts and esters of the 7-carbon saturated monocarboxylic acid heptanoic acid. Enanthates

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