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  • Title: Phase II study of autologous filgrastim (G-CSF)-mobilized peripheral blood progenitor cells to restore hemopoiesis after high-dose chemotherapy for lymphoid malignancies.
    Author: Sheridan WP, Begley CG, To LB, Grigg A, Szer J, Maher D, Green MD, Rowlings PA, McGrath KM, Cebon J.
    Journal: Bone Marrow Transplant; 1994 Jul; 14(1):105-11. PubMed ID: 7524904.
    Abstract:
    The hemopoietic growth factor filgrastim (r-metHu G-CSF) stimulates granulopoiesis after autologous BMT and can also be used as a peripheral blood progenitor cell (PBPC)-mobilizing agent. Rapid platelet recovery follows the addition of filgrastim-mobilized PBPC to autologous BMT. We have now studied 29 adults with malignant lymphoma, Hodgkin's disease or ALL to assess the ability of filgrastim-mobilized PBPC to rapidly and durably restore hemopoiesis without bone marrow (BM) infusion. Patients with a high yield of PBPC from three leukaphereses, defined as > 30 x 10(4)/kg GM-CFC, were eligible for PBPC transplant without BM. Patients with a low yield of GM-CFC received both PBPC and BM infusion. After filgrastim therapy 12 or 24 micrograms/kg/day by continuous sc infusion for 6 or 7 days, a high yield was obtained in 11 of 29 patients. Kinetics of recovery of both the platelet and neutrophil counts were more rapid in the high yield group than in the low yield group. The platelet count recovered to > 20 x 10(9)/l at a median of 9 days, to > 50 x 10(9)/l at 11 days and the neutrophil count to > 0.5 x 10(9)/l at 9 days in the high yield group compared with 12 days, 37 days and 10 days, respectively, in the low yield group (p = 0.028, p < 0.001 and p = 0.027). Fewer platelet transfusions were required in the high yield group (median 11 vs 29.5 units, p = 0.021).(ABSTRACT TRUNCATED AT 250 WORDS)
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