Abstract
Seven patients with end-stage renal disease requiring support by continuous ambulatory peritoneal dialysis received once-daily 400 mg oral ofloxacin for 7 days for the treatment of bacterial peritonitis. Serum and peritoneal dialysis fluid (PDF) were collected for assay throughout the course of the study and for 5 days thereafter. Ofloxacin, desmethyl ofloxacin and ofloxacin-N-oxide accumulated over the course of therapy and could still be detected in serum and PDF 5 days after the end of therapy. The mean elimination half-life of ofloxacin in serum was 32 +/- 7 h, desmethyl ofloxacin 45 +/- 26 h and for ofloxacin-N-oxide 44 +/- 15 h. The total mean recovery of ofloxacin and its metabolites from the PDF was 15.4%. This regimen results in serum and PDF concentrations likely to be effective for the treatment of infection for at least 10 days.
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