Superior physical and mental health of healthy volunteers before and five years after mobilized stem cell donation.

J Heyn, S Bräuninger, M Dimova-Dobreva, N Mathieson, N Koptelova, A Kolpakova, C Seidl, P Reinhardt, C Tsamadou, H Schrezenmeier, R Nakov, E Seifried, H Bonig

Journal of translational medicine 2022 Mar 14

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Safety, tolerability and efficacy of granulocyte colony-stimulating factor (G-CSF) for mobilization of hematopoietic stem and progenitor cells (HSPCs) from healthy donors have been conclusively demonstrated. This explicitly includes, albeit for smaller cohorts and shorter observation periods, biosimilar G-CSFs. HSPC donation is non-remunerated, its sole reward being "warm glow", hence harm to donors must be avoided with maximal certitude. To ascertain, therefore, long-term physical and mental health effects of HSPC donation, a cohort of G-CSF mobilized donors was followed longitudinally. We enrolled 245 healthy volunteers in this bi-centric long-term surveillance study. 244 healthy volunteers began mobilization with twice-daily Sandoz biosimilar filgrastim and 242 underwent apheresis after G-CSF mobilization. Physical and mental health were followed up over a period of 5-years using the validated SF-12 health questionnaire. Baseline physical and mental health of HSPC donors was markedly better than in a healthy reference population matched for ethnicity, sex and age. Physical, but not mental health was sharply diminished at the time of apheresis, likely due to side effects of biosimilar G-CSF, however had returned to pre-apheresis values by the next follow-up appointment after 6 months. Physical and mental health slightly deteriorated over time with kinetics reflecting the known effects of aging. Hence, superior physical and mental health compared to the general healthy non-donor population was maintained over time. HSPC donors are of better overall physical and mental health than the average healthy non-donor. Superior well-being is maintained over time, supporting the favorable risk-benefit assessment of volunteer HSPC donation. Trial registration National Clinical Trial NCT01766934. © 2022. The Author(s).

Citation

J Heyn, S Bräuninger, M Dimova-Dobreva, N Mathieson, N Koptelova, A Kolpakova, C Seidl, P Reinhardt, C Tsamadou, H Schrezenmeier, R Nakov, E Seifried, H Bonig. Superior physical and mental health of healthy volunteers before and five years after mobilized stem cell donation. Journal of translational medicine. 2022 Mar 14;20(1):121