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Allografting

Safety and efficacy of allogeneic PBSC collection in normal pediatric donors: The Pediatric Blood and Marrow Transplant Consortium Experience (PBMTC) 1996–2003

Bone Marrow Transplantation volume 35, pages 361–367 (2005)Cite this article

Summary:

The use of peripheral blood stem cells (PBSC) for allogeneic transplants in adults has greatly increased. This trend is reflected in pediatrics, where healthy children increasingly are donating PBSC or donor lymphocyte infusion (DLI) via apheresis for use by ill siblings. There is a potential concern that the risks of PBSC collection may differ for pediatric donors. However, no large studies have assessed safety issues in this population. To address this need, we reviewed 218 (213 PBSC, five DLI) collections in 201 normal pediatric donors (8 months to 17 years, median 11.8 years) at 22 institutions in the Pediatric Blood and Marrow Transplant Consortium. Donors received a median of 4 days of growth factor, and mean collection yield was 9.1 × 106 CD34+ cells/kg recipient weight. Younger age, days of apheresis, and male gender predicted increased yield of CD34+ cells/kg donor weight. Growth factor-induced pain was mild and reported in less than 15% of patients. Most donors <20 kg (23/25, 92%) required PRBC priming of the apheresis machine. This experience with over 200 collections demonstrates that PBSC collection is safe in normal pediatric donors and desired CD34 cell yields are easily achieved. Younger children utilize more medical resources and children <20 kg usually require a single blood product exposure.

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Acknowledgements

We acknowledge the assistance of Robin Ryan of the PBMTC office for assistance in data collection and the nurses and clinical research associates at the participating institutions who provided us with these data. Also, Dr Osunkwo received support as the Tommy Palazzo Fellow of Swim Across America.

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Authors and Affiliations

  1. Primary Children's Medical Center, Salt Lake City, UT, USA

    M A Pulsipher

  2. University of Michigan, Ann Arbor, MI, USA

    J E Levine

  3. Washington University School of Medicine, St Louis, MO, USA

    R J Hayashi

  4. MD Anderson Cancer Center, Houston, TX, USA

    K W Chan

  5. Mayo Clinic, Rochester, MN, USA

    P Anderson

  6. Children's Memorial Medical Center, Chicago, IL, USA

    R Duerst

  7. Department of Pediatrics, Columbia University and Children's Hospital of New York-Presbyterian, New York, NY, USA

    I Osunkwo

  8. Rainbow Babies and Children's Hospital, Cleveland, OH, USA

    V Fisher

  9. University of California, San Francisco, CA, USA

    B Horn

  10. Children's Hospital of Philadelphia, PA, USA

    S A Grupp

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  1. M A Pulsipher
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  2. J E Levine
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  8. V Fisher
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Correspondence to M A Pulsipher.

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Pulsipher, M., Levine, J., Hayashi, R. et al. Safety and efficacy of allogeneic PBSC collection in normal pediatric donors: The Pediatric Blood and Marrow Transplant Consortium Experience (PBMTC) 1996–2003. Bone Marrow Transplant 35, 361–367 (2005). https://doi.org/10.1038/sj.bmt.1704743

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