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  • Title: Pharmacokinetics of mebudipine, a new calcium antagonist, following single intravenous and oral administrations in rats.
    Author: Bohlooli S, Keyhanfar F, Mahmoudian M.
    Journal: Biopharm Drug Dispos; 2004 May; 25(4):187-91. PubMed ID: 15108221.
    Abstract:
    The pharmacokinetics of a new calcium antagonist, mebudipine, was studied after a single intravenous (0.5 mg/kg) and oral (10 mg/kg) administration to rats. After intravenous dosing, the plasma concentration of mebudipine declined biexponentially with a terminal half-life of 2.84 h. The blood clearance was 1.67 l/h/kg and the volume of distribution at steady state was found to be 6.26 l/kg. After oral dosing (10 mg/kg), the C(max) of mebudipine was 25.9+/-9.79 ng/ml. The oral bioavailability was low (< 2%) suggesting a marked first-pass effect. The distribution of mebudipine into some tissues such as brain, heart, liver and kidney following intravenous administration (0.5 mg/kg) was studied and a rapid distribution of mebudipine into these tissues was found. It was concluded that brain, heart, liver and kidney are in the same compartment as plasma (central).
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