Thiotepa-based versus total body irradiation-based myeloablative conditioning prior to allogeneic stem cell transplantation for acute myeloid leukaemia in first complete remission: A retrospective analysis from the Acute Leukemia Working Party of the European Group for Blood and Marrow Transplantation

Andrea Bacigalupo, Sandra Eder, Myriam Labopin, William Arcese, Reuven Or, Ignazio Majolino, Gennaro De Rosa, Liisa Volin, Dietrich Beelen, Hendrik Veelken, Nicolaas P.M. Schaap, Jurgen Kuball, Jan Cornelissen, Arnon Nagler, Mohamad Mohty

Risultato della ricerca: Contributo in rivistaArticolo in rivista

14 Citazioni (Scopus)

Abstract

Thiotepa is an alkylating compound with an antineoplastic and myeloablative activity and can mimic the effect of radiation. However, it is unknown whether this new regimen could safely replace the long-established ones. This retrospective matched-pair analysis evaluated the outcome of adults with acute myeloid leukaemia in first complete remission who received myeloablative conditioning either with a thiotepa-based (n=121) or a cyclophosphamide/total body irradiation-based (TBI; n=358) regimen for allogeneic hematopoietic stem cell transplantation from an HLA-matched sibling or an unrelated donor. With a median follow-up of 44months, the outcome was similar in both groups. Acute graft-versus-host disease grade II-IV was observed in 25% after thiotepa-containing regimen versus 35% after TBI (P=0.06). The 2-yr cumulative incidence of chronic graft-versus-host disease was 40.5% for thiotepa and 41% for TBI (P=0.98). At 2 yrs, the cumulative incidences of non-relapse mortality and relapse incidence were 23.9% (thiotepa) vs. 22.4% (TBI; P=0.66) and 17.2% (thiotepa) vs. 23.3% (TBI; P=0.77), respectively. The probabilities of leukaemia-free and overall survival at 2yrs were not significantly different between the thiotepa and TBI groups, at 58.9% vs. 54.2% (P=0.95) and 61.4% vs. 58% (P=0.72), respectively. Myeloablative regimens using combinations including thiotepa can provide satisfactory outcomes, but the optimal conditioning remains unclear for the individual patient in this setting.
Lingua originaleEnglish
pagine (da-a)90-97
Numero di pagine8
RivistaEuropean Journal of Haematology
Volume96
DOI
Stato di pubblicazionePubblicato - 2016

Keywords

  • Acute myeloid leukaemia
  • Adolescent
  • Adult
  • Aged
  • Allo-HSCT
  • Cyclophosphamide
  • Disease-Free Survival
  • Graft vs Host Disease
  • Hematology
  • Hematopoietic Stem Cell Transplantation
  • Humans
  • Incidence
  • Leukemia, Myeloid, Acute
  • Middle Aged
  • Siblings
  • Survival Rate
  • Thiotepa
  • Total body irradiation
  • Transplantation Conditioning
  • Unrelated Donors
  • Whole-Body Irradiation

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