Pharmacokinetics of ofloxacin in healthy subjects and patients with varying degrees of renal impairment

Flor, S.; Guay, D.; Opsahl, J.; Tack, K.; Matzke, G.

International Journal of Clinical Pharmacology Research 11(3): 115-121

1991


ISSN/ISBN: 0251-1649
PMID: 1809697
Document Number: 717
The pharmacokinetics of the new fluoroquinolone antimicrobial ofloxacin were studied in 18 subjects with normal renal function or varying degrees of renal impairment, including patients under-going continuous ambulatory peritoneal dialysis (CAPD) and haemodialysis. Apparent total body and renal clearances declined and elimination half-life increased with decreasing creatinine clearance. CAPD and haemodialysis removed clinically insignificant fractions of ofloxacin body burden over the study period (6-15% and 9-11% of the dose, respectively). The apparent volume of distribution, peak concentration, time to peak concentration, and non-renal clearance were not altered significantly by renal insufficiency. An extended dosing interval of 24-48 h is recommended, depending upon the degree of renal impairment, when creatinine clearance falls below 50 mL/min. In addition, supplemental doses would not appear to be necessary during CAPD and following haemodialysis.

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Pharmacokinetics of ofloxacin in healthy subjects and patients with varying degrees of renal impairment