Abstract
Twenty patients with aplastic anemia underwent long-term administration (10 weeks) of recombinant human granulocyte colony-stimulating factor (rhG-CSF) in doses from 50 to 800 micrograms/m2 per day by intravenous infusion or 50 to 100 micrograms/m2 per day by subcutaneous injection and re-combinant human erythropoietin (rhEPO) in doses ranging from 2000 to 8000 IU/m2 per day by intravenous injection three times a week for at least 4 weeks. The goal was to evaluate whether therapy ameliorated pancytopenia in these patients as well as to determine its safety. All assessable patients showed a substantial increase in absolute neutrophil count, with a recovery of myeloid components (granulocyte series) in the bone marrow, after 2 to 10 weeks of treatment. An increase > 1.5 g/dL in hemoglobin (Hb) concentration was observed in 2 patients (10%). A decrease > 50% in red cell transfusion requirement was observed in 2 patients (10%). Seven patients showed recovery of neutropenia, anemia, and platelet count. In addition, there was no serious infection before or during therapy, and side effects were mild. Of the 20 patients, 3 showed a dramatic improvement in severe anemia after 10 weeks of treatment accompanying a recovery of erythroid co...Continue Reading
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