Handling, processing and disposal of stem cell products in Europe: A survey by the cellular therapy and immunobiology working party of the European Society for Blood and Marrow Transplantation

A Holbro, H Baldomero, F Lanza, C Chabannon, JA Snowden, A Buser, L Infanti, N Worel, A Sureda, M Badoglio, J Passweg, C Bonini, on behalf of the Cellular Therapy & Immunobiology Working Party of the European Society for Blood & Marrow Transplantation (EBMT), the Joint Accreditation Committee International Society for Cellular Therapy & EBMT (JACIE)

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Abstract

Background: There is considerable heterogeneity in processing of stem cells for hematopoietic stem cell transplantation across Europe. The Foundation for the Accreditation of Cellular Therapy (FACT)–Joint Accreditation Committee International Society for Cellular Therapy and European Society for Blood and Marrow Transplantation (EBMT) (JACIE) standards provide minimum guidelines that, however, leave room for significant variations in practices at the individual transplantation center (TC). Methods: To better understand the extent of heterogeneity in storage conditions, quality controls (QCs), graft processing and disposal, a q uestionnaire was developed, reviewed by the Cellular Therapy and Immunobiology Working Party (CTIWP) and sent to all EBMT TCs. Results: In this study, 288 TCs from 46 countries (32 European, 14 associated) responded to the survey. Long-term storage is performed mainly either in liquid nitrogen or in the vapor phase of liquid nitrogen with 10% dimethyl sulfoxide (DMSO; 58% of centers). In case of microbiological contamination, most TCs make a case-by-case decision in collaboration with the clinicians. CD34+ counts are performed routinely either before and/or after thawing. Some centers perform additional QCs. DMSO is generally not removed (83%) and the graft is thawed at the bedside (68%) in a water bath (78%). There is heterogeneity between the centers regarding duration of storage and graft disposal. Discussion: Overall, this survey demonstrates that the majority of responding TCs uses standardized procedures (intracenter standardization). However, significant intercenter variations persist, which warrant further standardization and investigations on clinical and financial consequences. Additionally, efforts should be undertaken to provide more specific international guidelines on storage duration and graft disposal, which may also have an important impact on health care services worldwide. © 2017 International Society for Cellular Therapy
Original languageEnglish
Pages (from-to)453-460
Number of pages8
JournalCytotherapy
Volume20
Issue number3
DOIs
Publication statusPublished - 2018

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    Holbro, A., Baldomero, H., Lanza, F., Chabannon, C., Snowden, JA., Buser, A., Infanti, L., Worel, N., Sureda, A., Badoglio, M., Passweg, J., Bonini, C., (EBMT), O. B. O. T. C. T. . I. W. P. O. T. E. S. F. B. . M. T., & (JACIE), T. J. A. C. I. S. F. C. T. . EBMT. (2018). Handling, processing and disposal of stem cell products in Europe: A survey by the cellular therapy and immunobiology working party of the European Society for Blood and Marrow Transplantation. Cytotherapy, 20(3), 453-460. https://doi.org/10.1016/j.jcyt.2017.12.005