In vivo Dose-Response Effect of Recombinant Human Granulocyte Colony-Stimulating Factor on Increase in Granulocytes after Peripheral Blood Stem Cell Autotransplantation

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Abstract
The in vivo dose-response potential of recombinant human granulocyte colony-stimulating factor (rG-CSF) in facilitating reconstitution of granulopoiesis was evaluated in an 11-year-old girl who received autotransplantation of peripheral blood stem cells (PBSC) after marrow-ablative therapy for relapsing acute lymphoblastic leukemia. The recovery of hematopoiesis was slow when a small number of progenitors were collected and reinfused into the patient, but administration of rG-CSF led to significant dose-dependent increase in peripheral blood granulocytes.