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Chemotherapy. 1997 Nov-Dec;43(6):436-41.

Combination therapy with fluconazole and flucytosine for pulmonary cryptococcosis.

Author information

1
Second Department of Internal Medicine, Nagasaki University School of Medicine, Japan.

Abstract

We investigated, in vitro, the combined effects of fluconazole (FLCZ) and flucytosine (5-FC) against different strains of Cryptococcus neoformans, and retrospectively analyzed the clinical efficacy of combination therapy of FLCZ and 5-FC in patients with pulmonary cryptococcosis. The minimum inhibitory concentrations (MICs) of antifungal agents and drug interaction were determined by the broth microdilution method and checkerboard titration. FLCZ and 5-FC showed synergistic activity against 8 (32%) of 25 strains of C. neoformans. The clinical efficacy of the 2 drugs when combined together was good in 9 (90%) patients and fair in 1 (10%) patient with pulmonary cryptococcosis. Renal dysfunction occurred in 1 patient. Our results suggest that a combination therapy using FLCZ and 5-FC is clinically useful in patients with pulmonary cryptococcosis who otherwise show a limited response to monotherapy.

PMID:
9395858
DOI:
10.1159/000239603
[Indexed for MEDLINE]

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