Abstract
The pharmacokinetics of cefpirome (CPR), a new injectable cephem, were studied in 9 patients with various degrees (classified by Ccr.) of impaired renal function. Serum and urinary concentrations of CPR were measured by bioassay. The pharmacokinetic analyses were based on a two compartment open model. As renal impairment increased, higher serum concentrations were maintained in beta-phase and higher urinary concentrations were kept over a long time, as well. As a conclusion, it is necessary to consider the adequate administration and dosage for patients with renal impairment to prevent side effects caused by the maintenance of cefpirome in serum over a long time.
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