Gentamicin and Gentamicin C 1 in the Treatment of Complicated Urinary Tract Infections: Comparative Study of Efficacy, Tolerance, and Pharmacokinetics

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Abstract
The clinical efficacy, patient tolerance, and pharmacokinetics of gentamicin and the single component gentamicin C 1 were studied after single and multiple doses in elderly male patients. Patient tolerance was extremely good at the dose levels used. There was some evidence of renal function impairment due to repeated intramuscular doses of gentamicin, but not gentamicin C 1 . The antibiotics were equally effective against the organisms present in the urine of these patients. The pharmacokinetics of the two antibiotic forms were similar, although gentamicin C 1 appeared to have a larger distribution space.