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Optimal timing of G-CSF administration for effective autologous stem cell collection

Optimal timing of G-CSF administration for effective autologous stem cell collection,10.1038/bmt.2010.194,Bone Marrow Transplantation,J E Kim,C Yoo,S

Optimal timing of G-CSF administration for effective autologous stem cell collection  
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The best time of G-CSF administration for PBPC collection remains to be defined. We aimed to identify optimal G-CSF administration timing for efficient autologous stem cell collection. A total of 262 lymphoma or multiple myeloma patients, who underwent PBPC collection from January 2000 to March 2008, were included. PBPCs were mobilized with chemotherapy followed by lenograstim at 10 μg/kg/day. Patients received lenograstim at 2000 hours, about half a day before leukapheresis (PM group) before November 2004, and at 0600 hours, 3 h before apheresis (AM group) subsequently. In the AM group, the median number of total collected CD34+ cells/kg was greater over a shorter duration of apheresis, and the median number of collected CD34+ cells/kg at first leukapheresis was larger. Stem cell collection efficacy (ratio of total collected CD34+ cells/kg per number of leukapheresis procedures) was higher, and proportion of patients who yielded an optimum harvest was larger. The statistically significant between-group difference was observed only in patients with high-dose CY chemotherapy for stem cell mobilization in subgroup analysis. The present study showed that G-CSF injection 3 h before apheresis improved the efficacy of autologous stem cell collection.
Journal: Bone Marrow Transplantation - BONE MARROW TRANSPLANT , vol. 46, no. 6, pp. 806-812, 2011
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