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Medline ® Abstract for Reference 102

of 'Overview of the treatment of acute lymphoblastic leukemia in children and adolescents'

102
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Stem-cell transplantation in children with acute lymphoblastic leukemia: A prospective international multicenter trial comparing sibling donors with matched unrelated donors-The ALL-SCT-BFM-2003 trial.
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Peters C, Schrappe M, von Stackelberg A, Schrauder A, Bader P, Ebell W, Lang P, Sykora KW, Schrum J, Kremens B, Ehlert K, Albert MH, Meisel R, Matthes-Martin S, Gungor T, Holter W, Strahm B, Gruhn B, Schulz A, Woessmann W, Poetschger U, Zimmermann M, Klingebiel T
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J Clin Oncol. 2015;33(11):1265.
 
PURPOSE: Although hematopoietic stem-cell transplantation is widely performed in children with high-risk acute lymphoblastic leukemia (ALL), the influence of donor types is poorly understood. Thus, transplantation outcomes were compared in the prospective multinational Berlin-Frankfurt-Muenster (BFM) study group trial: ALL-SCT-BFM 2003 (Allogeneic Stem Cell Transplantation in Children and Adolescents with Acute Lymphoblastic Leukemia).
PATIENTS AND METHODS: After conditioning with total-body irradiation and etoposide, 411 children with high-risk ALL received highly standardized stem-cell transplantations during the first or later remissions. Depending on donor availability, grafts originated from HLA-genoidentical siblings or from HLA-matched unrelated donors who were identified and matched by high-resolution allelic typing and were compatible in at least 9 of 10 HLA loci.
RESULTS: Four-year event-free survival (±standard deviation [SD]) did not differ between patients with transplantations from unrelated or sibling donors (0.67±0.03 v 0.71±0.05; P = .405), with cumulative incidences of nonrelapse mortality (±SD) of 0.10±0.02 and 0.03±0.02 (P = .017) and relapse rates (±SD) of 0.22±0.02 and 0.24±0.04 (P = .732), respectively. Among recipients of transplantations from unrelated donors, no significant differences in event-free survival, overall survival, or nonrelapse mortality were observed between 9/10 and 10/10 matched grafts or between peripheral blood stem cells and bone marrow. The absence of chronic graft-versus-host disease had no effect on event-free survival. Engraftment was faster after bone marrow transplantation from siblings and was associated with fewer severe infections and pulmonary complications.
CONCLUSION: Outcome among high-risk pediatric patients with ALL after hematopoietic stem-cell transplantation was not affected by donor type. Standardized myeloablative conditioning produced a low incidence of treatment-related mortality and effective control of leukemia.
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Christina Peters, Susanne Matthes-Martin, and Ulrike Poetschger, St Anna Children's Hospital, Vienna, Austria; Martin Schrappe, University Medical Center Schleswig-Holstein and Christian-Albrechts-University Kiel; AndréSchrauder, Kinderarztpraxis am Aalborgring, Kiel; Arend von Stackelberg and Wolfram Ebell, Charité-Children's Hospital Berlin, Berlin; Peter Bader and Thomas Klingebiel, Johann Wolfgang Goethe University, Frankfurt; Peter Lang, University Hospital Tübingen, Tübingen; Karl-Walter Sykora and Martin Zimmerman, Hannover Medical School, Hannover; Johanna Schrum, University Medical Center Hamburg-Eppendorf, Hamburg; Bernhard Kremens, University Hospital Essen, Essen; Karoline Ehlert, University Clinic Greifswald, Greifswald; Michael H. Albert, Dr. von Hauner University Children's Hospital, München; Roland Meisel, University Hospital Düsseldorf, Düsseldorf; Wolfgang Holter, Children's University Hospital Erlangen, Erlangen; Brigitte Strahm, University Hospital Freiburg, Freiburg; Bernd Gruhn, University Hospital Jena, Jena; Ansgar Schulz, University Hospital Ulm, Ulm; Wilhelm Woessmann, University Clinic Giessen, Giessen, Germany; and Tayfun Gungor, University Children's Hospital Zürich, Zürich,Switzerland. christina.peters@stanna.at.
PMID