Cyclosporin-A therapy of pure red cell aplasia in a patient with B-cell chronic lymphocytic leukemia (original) (raw)

European Journal of Haematology, 2009

Abstract

A 65‐year‐old woman with B‐cell chronic lymphocytic leukemia (CLL) and pure red cell aplasia (PRCA) is described. After initial chemotherapy with three different regimens over 3 months (prednisone, chlorambucil/vincristine, cyclophosphamide, bleomycin/cyclophosphamide, etoposide, prednisone), normalization of the blood lymphocyte count was observed, but lymphocyte infiltration of the bone marrow persisted and erythropoiesis remained virtually absent. Monotherapy with cyclosporin‐A (CyA) was begun. After 35 days, a marked increase in the reticulocyte count was observed, and with continuing therapy, there was a rapid increase in the hemoglobin level. Follow‐up after 13 months of uninterrupted treatment with CyA revealed remission of both CLL and PRCA. CyA should be investigated further as a therapeutic modality for PRCA in patients with CLL, and such trials might provide further clues to the pathogenesis of this peculiar association.

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