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Background. The current treatment regimes for patients with nephrotic syndrome due to idiopathic membranous nephropathy (MN) and focal segmental glomerulosclerosis (FSGS) are based on steroids and/or cytotoxic agents. Data on the effect of mycophenolate mofetil (MMF) for these conditions are scarce and confounding.

Methods. We compared the efficacy of an MMF-based therapy with standard therapies in inducing remission in adult nephrotics with MN and FSGS in a randomized pilot study. MMF was given at 2 g/day for 6 months along with prednisolone at 0.5 mg/kg/day for 2–3 months. Conventional therapy was prednisolone 1 mg/kg/day for 3–6 months for FSGS and alternating monthly cycles of steroids and cyclophosphamide for 6 months for MN. The primary end point was change in urinary protein/creatinine ratio.

Results. A total of 54 patients (21 MN and 33 FSGS …