Rituximab is not a “magic drug” in post-transplant recurrence of nephrotic syndrome
2016
Pediatric patients with end-stage renal failure due to severe drug-resistant nephrotic syndrome are at risk of rapid recurrence after renal transplantation. Treatment options include plasmapheresis, high-dose of cyclosporine A/methylprednisolone and more recently—rituximab (anti-B CD20 monoclonal depleting antibody). We report five patients with immediate (1–2 days) post-transplant recurrence of nephrotic syndrome, treated with this kind of combined therapy including 2–4 weekly doses of 375 mg/m2 of rituximab. Only two (of five) patients have showed full long-term remission, while the partial remission was seen in two cases, and no clinical effect at all was achieved in one patient. The correlation between B CD19 cells depletion and clinical effect was present in two cases only. Severe adverse events were present in two patients, including one fatal rituximab-related acute lung injury.
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