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  • Title: [Elaboration of the procedures for the pharmacokinetic interpretation of aminoglycoside nephrotoxicity: the experimental evaluation of the safety of repeated gentamycin administration].
    Author: Firsov AA, Egorenko GG, Berezina EK, Gagaevea EV, Danilova VI.
    Journal: Antibiotiki; 1982 Apr; 27(4):287-92. PubMed ID: 7092200.
    Abstract:
    Nephrotoxicity and pharmacokinetics of gentamicin were studied on rats treated with the antibiotic for 30 days in doses of 6.25, 12.5 and 25 mg/kg administered daily. The pharmacokinetics of gentamicin and the time course of changes in the urea nitrogen levels of the blood serum were studied after the 1st, 5th, 8th and 30th injection. The analysis of the respective curves was used for calculation of the average integral values of the concentrations of the antibiotic (C) and urea nitrogen (E). After that the average integral values of these parameters ((CAVG and EAVG respectively) within the whole treatment couse with the use of every dose were calculated in the same way by using the curves of the dynamics of C and E changing. Comparison of the diagrams of E dependence on C for gentamicin and sisomycin showed that nephrotoxicity of sisomycin was 1.48 times higher than that of gentamicin.
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