• Tung-Liang Lin, Po-Nan Wang, Ming-Chung Kuo, Yu-Hsing Hung, Hung Chang, and Tzung-Chih Tang.
• Department of Internal Medicine, Division of Hematology-Oncology, Chang Gung Memorial Hospital, Taoyuan City, Taiwan.
• J Clin Apher. 2016 Oct 1; 31 (5): 423-8.

AbstractWe retrospectively reviewed the results of cyclophosphamide (3 g/m(2) ), doxorubicin and dexamethasone plus granulocyte-colony stimulating factor (G-CSF) (ID-CY/DOX group), low-dose cyclophosphamide (2 g/m(2) ) plus G-CSF (LD-CY group) and G-CSF alone (G-CSF group) for stem cell mobilization in patients with multiple myeloma. A total of 89 patients with 93 mobilizations were included. Apheresis was started when total white blood cell (WBC) count >10 × 10(9) /L for ID-CY/DOX and LD-CY groups and after eight doses of G-CSF (5 μg/kg twice daily) for G-CSF group. For five mobilizations in ID-CY/DOX group, the rate of successful mobilization (≥4.0 × 10(6) /kg CD34+ cells) was 80%. For 78 mobilizations in LD-CY group, the successful rate was 80.8%. For 10 mobilizations in the G-CSF group, the successful rate was 50%. The mean yield of CD34+ cells was higher in ID-CY/DOX and LD-CY groups as compared with that in G-CSF group (P = 0.026 and 0.020, respectively). There was no difference in the yield of CD34+ cells between ID-CY/DOX and LD-CY groups (P = 0.831). After autologous stem cell transplantation, the days to neutrophil and platelet engraftment were similar in these three groups (P = 0.713 and 0.821, respectively). In conclusion, we observed that ID-CY/DOX and LD-CY plus G-CSF for stem cell mobilization resulted in a higher successful rate and higher stem cell yields than G-CSF alone and their engraftment time were similar. Total WBC count >10 × 10(9) /L can be used as a guide to start apheresis in CY-based stem cell mobilization. J. Clin. Apheresis 31:423-428, 2016. © 2015 Wiley Periodicals, Inc. © 2015 Wiley Periodicals, Inc.

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