PMID: 7545635May 1, 1995Paper

Treatment of normal donors with rhG-CSF 16 micrograms/kg for mobilization of peripheral blood stem cells and their apheretic collection for allogeneic transplantation

Haematologica
I MajolinoF Caronia

Abstract

Utilization of peripheral blood stem cells (PBSC) in allogeneic transplantation requires a method for their mobilization and collection that is not inconvenient for the donor. We administered rhG-CSF (filgrastim) 16 micrograms/kg subcutaneously for 4 days in five normal subjects (age 18-31, M = 3, F = 2), previously selected as HLA-identical donors of siblings with leukemia. All the donors gave written informed consent. On days 4 and 5 (in one donor on day 6 too), 10:l leukapheretic collection was performed with a CS-3000 (Baxter) or an AS-104 (Fresenius) cell separator through the antecubital vein. The WBC count reached a median peak of 57.0 x 10(9)/L on day 5. The peripheral blood CFU-GM peaked to a median level of 8908/mL on day 5 with a median increase over baseline values of 39.1 times. The CD34+ cells peaked to (median) 147.0 x 10(6)/L on day 4 with a median increase of 65.3 times. A lesser enrichment was recorded for BFU-E (median increase 12.7 times) and CFU-GEMM (median increase 15.2 times). Even CD3+ and CD56+CD3- cells increased (median 1.7 and 1.5 times, respectively). A median of 771 x 10(8) MNC (range 672-1378), 116.4 x 10(6) CFU-GM (range 47.7-145.1) and 754 x 10(6) CD34+ cells (range 477-2599) were apheretically...Continue Reading

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