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Outcome of children relapsing after first allogeneic haematopoietic stem cell transplantation for acute myeloid leukaemia: a retrospective I-BFM analysis of 333 children
Uden, T., Bertaina, A., Abrahamsson, J., Ansari, M., Balduzzi, A., Bourquin, J. P., Gerhardt, C., Bierings, M., Hasle, H., Lankester, A., et al
British journal of haematology. 2020
Abstract
Outcome of 333 children with acute myeloid leukaemia relapsing after a first allogeneic haematopoietic stem cell transplantation was analyzed. Four-year probability of overall survival (4y-pOS) was 14%. 4y-pOS for 122 children receiving a second haematopoietic stem cell transplantation was 31% and 3% for those that did not (P = <0.0001). Achievement of a subsequent remission impacted survival (P = <0.0001). For patients receiving a second transplant survival with or without achieving a subsequent remission was comparable. Graft source (bone marrow vs. peripheral blood stem cells, P = 0.046) and donor choice (matched family vs. matched unrelated donor, P = 0.029) positively impacted survival after relapse. Disease recurrence and non-relapse mortality at four years reached 45% and 22%.