Recurrent corticosteroid-resistant nephrotic syndrome with focal segmental glomerulosclerosis (FSGS) caused the failure of a first renal allograft in a 41-year-old man. Recurrence of the nephrotic syndrome in the second renal allograft was successfully controlled by the administration of meclofenamate, and the renal function has remained stable for 2½ years. No accepted treatment is available for corticosteroid-resistant nephrotic syndrome with FSGS. This report suggests that administration of meclofenamate might be beneficial in some patients with corticosteroid-resistant nephrotic syndrome and FSGS. Because of the potential side effects, however, careful supervision of this therapy is of the utmost importance.
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