Hematopoietic recovery after allogeneic blood stem-cell transplantation compared with bone marrow transplantation in patients with hematologic malignancies
Abstract
To compare hematopoietic recovery, duration of hospitalization, and 100-day survival in patients who received allogeneic-blood stem cells (BSC) or conventional allogeneic bone marrow transplantation (BMT). From December 1994 to August 1995, 21 patients participated in a phase II study of allogeneic BSC transplantation. Cells mobilized with granulocyte colony-stimulating factor (G-CSF; 5 micrograms/kg/ d) were collected from human leukocyte antigen (HLA)-matched related donors and cryopreserved. Graft-versus-host disease (GVHD) prophylaxis consisted of cyclosporine and methotrexate. G-CSF (10 micrograms/kg/d) was administered posttransplant. The outcomes were compared with 22 identically treated historical patients who received allogeneic BMT. The median infused CD34+ cell and granulocyte-macrophage colony-forming unit (CFU-GM) content were 7.73 x 10(4)/kg and 41.6 x 10(4)/kg, respectively. The median time to a neutrophil count greater than 500/ microL was 11 days after BSC and 16.5 days after BMT (P = .0003). A trend toward faster platelet and RBC recovery after BSC was observed. BSC patients received fewer platelet transfusions: 10 versus 19 (P = .015). The median length of hospitalization was shorter after BSC transplantation...Continue Reading
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