Oral Fluconazole Versus Amphotericin B Bladder Irrigation for Treatment of Candidal Funguria

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Abstract
A randomized trial was conducted to compare amphotericin B bladder irrigation (AmBBI) with oral fluconazole in terms of efficacy and safety in the treatment of candidal funguria. Fifty-three patients with two consecutive positive fungal cultures of urine were randomized to undergo AmBBI (50 mg/L over 24 hours or 50 mg/L for 7 days) or to receive fluconazole (200 mg/d for 7 days). Urinary catheters were changed upon entry into the study and following therapy. Blood and urine specimens were obtained throughout the study. Candida albicans was the species isolated most frequently from urine cultures. Eradication rates for funguria at 24 hours and 5–9 days after therapy were 82.4% and 75%, respectively, with the 1-day AmBBI regimen; 94.4% and 78.6%, respectively, with the 7-day AmBBI regimen; and 83.3% and 76.9%, respectively, with fluconazole. There were no differences in the posttherapy eradication rates between the regimens at 24 hours (P = .597) and at 5–9 days (P = .66). Candida glabrata was the predominant organism recovered from patients in the fluconazole group 5–9 days after the completion of therapy. Adverse events were limited to bladder fullness in a patient who underwent AmBBI and hypoglycemia in a patient who received concomitant therapy with fluconazole and glyburide. AmBBI (once or for 7 days) and fluconazole appear to be equally efficacious in the treatment of candidal funguria.

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