Cyclophosphamide in steroid-dependent nephrotic syndrome.

In order to determine the long-term effects of cyclophosphamide (CPO) and to identify parameters associated with sustained remission, we retrospectively studied the data from 90 patients with steroid-dependent nephrotic syndrome (SDNS) who received a single course of oral cyclophosphamide (2 mg/kg/day for 10 to 12 weeks). The median follow-up period after CPO was 5.5 years (interquartile range 3.