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  • Title: Comparative nephrotoxicity and tissue accumulation of dactimicin, amikacin and gentamicin.
    Author: Bonadio M, Maccanti O, Giovannini L, Bertelli AA, Scalori V, Alessandrì MG, Bertelli A.
    Journal: Drugs Exp Clin Res; 1987; 13(12):747-50. PubMed ID: 3447878.
    Abstract:
    Dactimicin (ST 900) is a new pseudo-disaccharide aminoglycoside antibiotic which has been shown to be active against systemic infections in mice. Few data have so far been reported on dactimicin tissue accumulation or its potential nephrotoxicity. In this study, nephrotoxicity and renal tissue concentrations of gentamicin, amikacin and dactimicin were compared in Wistar rats. Liver, heart and lung accumulation of these drugs were also evaluated. Groups of 5 rats were respectively injected with 100 mg/kg body weight of the different drugs daily for 7 days. Five control rats were also injected with saline. Twenty-four hours after the last injection, all rats were sacrificed and bled to death. Blood samples were taken for BUN and serum creatinine assay. Kidney, liver, heart and lung tissues, as well as blood, were removed and processed for microbiological assay of gentamicin, amikacin and dactimicin. The results of this study showed that dactimicin, as well as amikacin, did not induce any significant increase in BUN and serum creatinine, while gentamicin administration resulted in severe uraemia in all rats. Consequently a much higher accumulation of gentamicin than amikacin and dactimicin was achieved in serum and tissues.
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