[Peripheral Blood Stem Cell Collection in Pediatric Malignancies: Comparison Between Three Mobilizing Regimens].
PubMed(2004)
Abstract
PURPOSE:The optimal method for PBSC (peripheral blood stem cells) mobilization in pediatric patients is still unknown. The present study was conducted to evaluate the safety of apheresis procedures and to compare the efficacy of three methods of PBSC mobilization.PATIENTS AND METHODS:Our study was performed on 28 pediatric patients (in three groups) with solid tumors at onset or on relapse. In two groups we tried to mobilize PBSC administering CHT (based on Carboplatin with Etoposide in the first group and Cyclophosphamide in the second group) followed by granulocyte colony stimulating factor (G-CSF); in the third group the mobilization regimen was based on G-CSF alone.RESULTS:Forty-nine mobilizations have been performed and a median of 6.5 CD34+ cells x 10(6)/Kg were collected, with a median number of one apheresis for each patient. Using Carboplatin with G-CSF and Cyclophosphamide with G-CSF we collected respectively a median value of 6.75 and 7.3 x 10(6) CD34+ cells/kg. The mobilization method based on G-CSF alone showed to be less effective (median of 4.3 CD34+ cells x 10(6)/kg collected).CONCLUSIONS:In our experience the mobilizing regimens based on Carboplatin or Cyclophosphamide associated with G-CSF resulted both effective and better than the one based on G-CSF alone with a scanty number of apheresis procedures.
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