High dose chemotherapy and autologous hematopoietic cell transplantation for Wilms tumor: a study of the European Society for Blood and Marrow Transplantation. Bone marrow transplantation

F. Spreafico, A. Dalissier, U. Pötschger, F. Locatelli, J. M. Michon, C. Peters, P. Bader, G. Bisogno, D. Yeomanson, A. Willasch, M. van den Heuvel Eibrink, N. Graf, S. Dallorso

Research output: Contribution to journalArticlepeer-review

Abstract

Survival for subgroups of patients with Wilms tumor (WT), such as those who suffer from relapse, is disappointing. Some patients' treatment plans include high-dose chemotherapy (HDT) with autologous hematopoietic cell transplantation (aHCT), although proof for its benefit is lacking. To increase the level of evidence regarding children with WT receiving aHCT as consolidation of first or second remission (after first relapse), we extracted relevant data from the European Blood and Marrow Transplantation Registry concerning 69 patients. Different HDT regimens were administered, mostly either melphalan-containing (n = 34) or thiotepa-containing (n = 14). For the whole population, 5-year overall survival (OS) and event-free survival (EFS) probabilities were 0.67 (±0.06) and 0.63 (±0.06), respectively (median observation time 7.8 years); for children transplanted in first remission, OS and EFS were 0.69 (±0.09) and 0.72 (±0.08). In univariate analysis, male gender and relapse in multiple sites were associated with lower OS probabilities. The use of a given pretransplant regimen (i.e. melphalan alone versus regimens with multiple drugs) did not seem to influence EFS/OS probability after aHCT, but significantly influenced platelet engraftment (more delayed with thiotepa). We here provide further data to improve the basis for future evidence-based clinical decision-making when using HDT and aHCT in relapsed/refractory WT.
Original languageEnglish
Pages (from-to)376-383
Number of pages8
JournalBone Marrow Transplantation
Volume55
Issue number2
DOIs
Publication statusPublished - 2020

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