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  • Title: Combination therapy with fluconazole and flucytosine for pulmonary cryptococcosis.
    Author: Yamamoto Y, Maesaki S, Kakeya H, Yanagihara K, Ohno H, Ogawa K, Hirakata Y, Tomono K, Tashiro T, Kohno S.
    Journal: Chemotherapy; 1997; 43(6):436-41. PubMed ID: 9395858.
    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.
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