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  • Title: Evaluation and comparison of three mobilization methods for the collection of granulocytes.
    Author: Jendiroba DB, Lichtiger B, Anaissie E, Reddy V, O'Brien S, Kantarjian H, Freireich EJ.
    Journal: Transfusion; 1998 Aug; 38(8):722-8. PubMed ID: 9709779.
    Abstract:
    BACKGROUND: Cancer chemotherapeutic regimens have become more potent and myeloablative. As a consequence, morbidity and mortality due to opportunistic infections have become a major challenge. The provision of adequate doses of viable granulocytes has thus become an important approach for circumventing the problem. A schedule for collecting therapeutic numbers of cells with minimal donor toxicity has yet to be established. STUDY DESIGN AND METHODS: An investigation of three mobilization schedules for the collection of granulocytes for transfusion--granulocyte-colony-stimulating factor (G-CSF) 5 micrograms per kg daily; G-CSF 5 micrograms per kg every other day, and prednisone 60 mg given orally (20 mg doses at 17 hours, 12 hours, and 2 hours before the collection). RESULTS: A total of 464 apheresis procedures involving 163 healthy donors were analyzed. Prednisone caused a small increase in the white cell (WBC) counts over the collection days, while G-CSF every other day and daily schedules improved WBC counts to 145 and 160 percent, respectively (p = 0.004). Similarly, administration of G-CSF daily and every other day mobilized higher yields of granulocytes over the collection days, compared to the prednisone schedule (170% and 180% vs. 105%; p = 0.02). CONCLUSION: Compared with prednisone, higher WBC yields were achieved by G-CSF stimulation; G-CSF given every other day is as effective as daily G-CSF administration for the recruitment of granulocytes, which makes the mobilization procedure more cost-effective.
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