in order to avoid using cytotoxic drugs and to minimize prednisolone side effects in frequent relapsing or steroid-dependent idiopathic nephrotic syndrome, 35 patients, 3 to 15 (mean= 8.1) years of age, were studied. while in remission for at least 6 weeks, the dose of prednisolone was reduced to 0.1-0.37 (mean= 0.23) mg/kg/day as a single dose for 12 to 72 (mean= 27.6) months. it was followed ...