L-743,872 (M991), which is a pneumocandin derivative, was evaluated in
a mouse model of disseminated candidiasis caused by a fluconazole-res
istant isolate of Candida albicans, In immunocompetent mice M991 prolo
nged survival at doses as low as 0.0125 mg/kg of body weight per day.
In neutropenic mice 0.05 mg/kg was the lowest effective dose. M991 is
a very potent drug for treatment of disseminated candidiasis.