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Disposition of famotidine in renal insufficiency

Disposition of famotidine in renal insufficiency

Journal of Clinical Pharmacology 27(10): 782-787

The disposition of famotidine was evaluated in 18 patients; Group 1, mild renal insufficiency, [creatinine clearance (CLCR): 30-60 mL/min]; Group 2, moderate to severe renal insufficiency (CLCR: 10-30 mL/min); Group 3, end-stage renal disease requiring maintenance hemodialysis (anuric). Blood and urine samples were obtained over a 72-hour period. Plasma concentration-time data demonstrated biexponential decay. The terminal elimination half-life was prolonged in Group 3 (18.6 +/- 5.7 hr) compared with Groups 1 (9.3 +/- 2.3 hr) and 2 (9.7 +/- 1.7 hr), P less than .05. Steady-state volume of distribution ranged from 0.80 to 1.26 L/kg but did not differ among the groups. Total body clearance (CLp) and renal clearance were significantly lower in Groups 2 and 3 patients compared with Group 1 patients. Nonrenal clearance was not related to CLCR. The CLp correlated well with CLCR (CLp = 1.59 CLCR + 33.8, r = 0.830, P less than .05). These data indicate that dosage adjustment may be necessary in patients who have renal insufficiency.

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Accession: 005170835

Download citation: RISBibTeXText

PMID: 3429684

DOI: 10.1002/j.1552-4604.1987.tb02996.x

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