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  • Title: Biokinetics of transdermal therapeutic medicinal form of phenazepam.
    Author: Golovenko NY, Kravchenko IA, Zin'kovskii VG, Andronati SA, Aleksandrova AI, Ovcharenko NV, Larionov VB.
    Journal: Bull Exp Biol Med; 2000 Dec; 130(12):1153-5. PubMed ID: 11276308.
    Abstract:
    We studied the rate of phenazepam absorption into the blood and its transport to the brain from a transdermal therapeutic system and bioavailability of the drug in this system. Hydrogel matrix consisting of polyvinyl alcohol and 1,2-propylene glycol was used for application. Transdermal application of 0.1-0.4 mg phenazepam in a dose of 14 mg/kg provided a stable level of this drug during application interval (1-48 h), while its bioavailability for blood plasma and brain was 0.63 and 0.2, respectively (determined for 0.4 mg phenazepam). The rate of drug penetration into the blood and brain was 46 and 60 ng/ml/h, respectively.
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