SEGARRA MEDRANO, A. et al. Efficacy and safety of combined cyclosporin A and mycophenolate mofetil therapy in patients with cyclosporin-resistant focal segmental glomerulosclerosis. []. , 31, 3, pp.286-291. ISSN 1989-2284.

Introduction: The combination of cyclosporin A (CsA) and mycophenolate mofetil (MMF) has a synergistic immunosuppressive effect and, as a result, it may induce remission of nephrotic syndrome in patients with steroid- and CsA-resistant focal segmental glomerulosclerosis (FSGS). Objective: To analyse the efficacy and safety of the combined CsA and MMF treatment in patients with cyclosporin A-resistant FSGS. Patients and methods: Twenty-seven patients with CsA-resistant FSGS were treated for 12 months with CsA (4 mg/kg/day) combined with MMF (2 g/day). The overall follow-up was 5 years. The proportion of patients with remission of proteinuria and the evolution of kidney function after 5 years were used to measure the outcome. Results: At the end of the treatment period, no patients were in complete remission and 4 patients (14.8%) had reduced proteinuria to values <3.5g/day. These patients had significantly lower baseline proteinuria (5.62±2.19 compared to 8.1±2.96g/day, P=.042), significantly lower GFR (-0.08 compared to -0.69±0.38; P=.003) and higher baseline kidney function (99.6±12.9 compared to 85.05±15.5ml/min; P=.003). Sixteen out of the 27 patients (59.2%) had progressive or stage 5 kidney disease at the end of the follow-up period. Adverse gastrointestinal effects were observed in 33.3% of the patients and acute transitory nephrotoxicity in 14.8%. The dosage and/or number of anti-hypertensive drugs had to be increased in 22.2% of patients during the 12 months of treatment. Conclusions: Twelve months of combined CsA and MMF therapy does not significantly alter the evolution of kidney function in patients with cyclosporin-resistant FSGS, although it may induce partial reductions in proteinuria.

: Cyclosporin A; Mycophenolate mofetil; Focal and segmental glomeruloesclerosis; Cyclosporine resistance.

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