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  • 1.
    Wang, T.
    et al.
    Karolinska Inst, Dept Clin Sci Intervent & Technol CLINTEC, Stockholm, Sweden.;Karolinska Univ Hosp, Dept Clin Immunol & Transfus Med, Stockholm, Sweden..
    Remberger, M.
    Karolinska Inst, Dept Pathol & Oncol, Stockholm, Sweden.;Karolinska Univ Hosp, Ctr Allogene Stem Cell Transplantat CAST, Huddinge, Sweden..
    Nygell, U. Axdorph
    Karolinska Inst, Dept Clin Sci Intervent & Technol CLINTEC, Stockholm, Sweden.;Karolinska Univ Hosp, Dept Clin Immunol & Transfus Med, Stockholm, Sweden.;Karolinska Univ Hosp, Dept Haematol, Huddinge, Sweden..
    Sundin, M.
    Karolinska Inst, Dept Clin Sci Intervent & Technol CLINTEC, Stockholm, Sweden..
    Björklund, A.
    Karolinska Univ Hosp, Dept Haematol, Huddinge, Sweden..
    Mattsson, J.
    Karolinska Inst, Dept Pathol & Oncol, Stockholm, Sweden.;Karolinska Univ Hosp, Ctr Allogene Stem Cell Transplantat CAST, Huddinge, Sweden..
    Uhlin, Michael
    KTH, School of Engineering Sciences (SCI), Applied Physics, Biophysics. Karolinska Inst, Dept Clin Sci Intervent & Technol CLINTEC, Stockholm, Sweden.;Karolinska Univ Hosp, Dept Clin Immunol & Transfus Med, Stockholm, Sweden.
    Watz, E.
    Karolinska Inst, Dept Clin Sci Intervent & Technol CLINTEC, Stockholm, Sweden.;Karolinska Univ Hosp, Dept Clin Immunol & Transfus Med, Stockholm, Sweden..
    Change of apheresis device decreased the incidence of severe acute graft-versus-host disease among patients after allogeneic stem cell transplantation with sibling donors2018In: Transfusion, ISSN 0041-1132, E-ISSN 1537-2995, Vol. 58, no 6, p. 1442-1451Article in journal (Refereed)
    Abstract [en]

    BACKGROUND: The composition of the graft used for allogeneic hematopoietic stem cell transplantation (HSCT) is important for the treatment outcome. Different apheresis devices may yield significant differences in peripheral blood stem cell graft cellular composition. We compared stem cell grafts produced by Cobe Spectra (Cobe) and Spectra Optia (Optia) with use of the mononuclear cell (MNC) protocol, and evaluated clinical outcome parameters such as graft-versus-host disease (GvHD), transplant-related mortality (TRM), relapse, and overall survival.

    STUDY DESIGN AND METHODS: During 5 years, 31 Cobe Spectra and 40 Spectra Optia grafts were analyzed for CD34, CD3, CD4, CD8, CD19, and CD56 cell content. Clinical outcome parameters were correlated and compared between the two patient groups using different apheresis devices.

    RESULTS: Optia grafts contained fewer lymphocytes compared to Cobe (p<0.001). Optia grafts had a significantly lower incidence of acute GvHD Grades II through IV (Cobe 45% vs. Optia 23%; p=0.039) and TRM (16% vs. 2.5%; p<0.05) but higher chronic GvHD (32% vs. 67%; p=0.005) compared to Cobe grafts. Finally, the multivariate analysis showed a significant correlation among the different apheresis devices and both acute GvHD II through IV and severe chronic GvHD. The multivariate analysis also showed a significant correlation between the CD3+ cell dose and the incidence of severe acute GvHD.

    CONCLUSION: Optia-obtained grafts yielded a lower acute GvHD Grades II-IV and TRM risk, but had no impact on relapse or overall survival in this study. Understanding and further improvement of peripheral blood stem cell (PBSC) apheresis techniques may be used in the future to personalize HSCT by, for example, fine-tuning the GvHD incidence.

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