Donor demographic and laboratory predictors of allogeneic peripheral blood stem cell mobilization in an ethnically diverse population
Open Access
- 1 September 2008
- journal article
- Published by American Society of Hematology in Blood
- Vol. 112 (5), 2092-2100
- https://doi.org/10.1182/blood-2008-03-143677
Abstract
A reliable estimate of peripheral blood stem cell (PBSC) mobilization response to granulocyte colony-stimulating factor (G-CSF) may identify donors at risk for poor mobilization and help optimize transplantation approaches. We studied 639 allogeneic PBSC collections performed in 412 white, 75 black, 116 Hispanic, and 36 Asian/Pacific adult donors who were prescribed G-CSF dosed at either 10 or 16 μg/kg per day for 5 days followed by large-volume leukapheresis (LVL). Additional LVL (mean, 11 L) to collect lymphocytes for donor lymphocyte infusion (DLI) and other therapies was performed before G-CSF administration in 299 of these donors. Day 5 preapheresis blood CD34+ cell counts after mobilization were significantly lower in whites compared with blacks, Hispanics, and Asian/Pacific donors (79 vs 104, 94, and 101 cells/μL, P < .001). In addition, donors who underwent lymphapheresis before mobilization had higher CD34+ cell counts than donors who did not (94 vs 79 cells/μL, P < .001). In multivariate analysis, higher post–G-CSF CD34+ cell counts were most strongly associated with the total amount of G-CSF received, followed by the pre–G-CSF platelet count, pre–G-CSF mononuclear count, and performance of prior LVL for DLI collection. Age, white ethnicity, and female gender were associated with significantly lower post–G-CSF CD34+ cell counts.This publication has 50 references indexed in Scilit:
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