Prolonged, complete remission after 2-chlorodeoxyadenosine therapy in a patient with refractory essential mixed cryoglobulinemia
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T C Lee1, W E Miller, J G Curd
1Division of Hematology and Oncology, Ida M. and Cecil H. Green Cancer Center, Scripps Clinic and Research Foundation, La Jolla, California 92037, USA.
Essential mixed cryoglobulinemia is a systemic disorder in which cutaneous vasculitis and frequently glomerulonephritis are associated with cryoprecipitable serum immune complexes. Typically, the treatment regimen consists of plasmapheresis, high-dose corticosteroids, and cytotoxic chemotherapy, as well as interferon alfa for hepatitis C virus-related cryoglobulinemia. Herein we describe a man with progressive, symptomatic cryoglobulinemia and multisystem organ dysfunction in whom corticosteroid and alkylating therapy failed; however, he had a complete and long-lasting remission after administration of 2-chlorodeoxyadenosine (cladribine).
Essential mixed cryoglobulinemia is a systemic disorder in which cutaneous vasculitis and frequently glomerulonephritis are associated with cryoprecipitable serum immune complexes. Typically, the treatment regimen consists of plasmapheresis, high-dose corticosteroids, and cytotoxic chemotherapy, as well as interferon alfa for hepatitis C virus-related cryoglobulinemia. Herein we describe a man with progressive, symptomatic cryoglobulinemia and multisystem organ dysfunction in whom corticosteroid and alkylating therapy failed; however, he had a complete and long-lasting remission after administration of 2-chlorodeoxyadenosine (cladribine).