Prevention of cyclophosphamlde-induced antidiuresis by furosemide infusion

Thomas P. Green*, Bernard L. Mirkin

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

13 Scopus citations


In patients receiving high-dose cyclophosphamlde therapy (HDCPT), urinary flow rate, serum sodium concentration, and renal free-water clearance frequently decrease in the 24 hr after drug. High urinary flow rates, which may minimize other cyclophosphamlde-related symptoms, are difficult to achieve in the face of the antidiuretic effect. Five patients receiving a total of 30 doses of HDCPT (>SO mg mg/kg) were studied to assess the effect of continuous furosemide infusion on cyclophosphamlde antidiuresis. In two patients receiving various diuretic regimens, only the continuous infusion of furosemide was associated with maintenance of high urinary flow rates and normal serum sodium concentrations. Four patients studied prospectively while receiving HDCPT maintained renal free-water clearance as well as high constant urinary flow rates and normal serum sodium concentrations. Concurrent studies of furosemide disposition revealed that renal excretion of furosemide was unchanged during the continuous infusion and that the diuretic effect was sustained throughout the therapeutic course. The only furosemide-related side effect identified was hypokalemia, which was easily managed with potassium chloride given intravenously.

Original languageEnglish (US)
Pages (from-to)634-642
Number of pages9
JournalClinical pharmacology and therapeutics
Issue number5
StatePublished - May 1981

ASJC Scopus subject areas

  • Pharmacology (medical)
  • Pharmacology


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