Ciprofloxacin-associated acute renal failure in patients undergoing high-dose chemotherapy and autologous stem cell rescue

Abstract
The broad spectrum of activity of ciprofloxacin makes it an ideal drug for the prophylaxis of bacterial infections in patients undergoing high-dose chemotherapy (HDC) with autologous stem cell rescue. We present two cases of ciprofloxacin-associated acute renal failure (ARF) in patients undergoing HDC. Maintaining a high index of suspicion for this complication will allow a prompt diagnosis, with discontinuation of the drug usually resulting in a reversal of renal failure. Renal biopsy usually reveals changes compatible with interstitial nephritis, but is not always possible in these patients due to severe thrombocytopenia following HDC. A brief course of steroid therapy may be beneficial although the role of glucocorticoids is difficult to ascertain in the absence of data regarding its efficiency in this clinical setting.

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