The graft-versus-leukemia effect using matched unrelated donors is not superior to HLA-identical siblings for hematopoietic stem cell transplantation

  • Olle Ringdén*
  • , Steven Z Pavletic
  • , Claudio Anasetti
  • , A John Barrett
  • , Tao Wang
  • , Dan Wang
  • , Joseph H Antin
  • , Paolo Di Bartolomeo
  • , Brian J Bolwell
  • , Christopher Bredeson
  • , Mitchell S Cairo
  • , Robert P Gale
  • , Vikas Gupta
  • , Theresa Hahn
  • , Gregory A Hale
  • , Jorg Halter
  • , Madan Jagasia
  • , Mark R Litzow
  • , Franco Locatelli
  • , David I Marks
  • Philip L McCarthy, Morton J Cowan, Effie W Petersdorf, James A Russell, Gary J Schiller, Harry Schouten, Stephen Spellman, Leo F Verdonck, John R Wingard, Mary M Horowitz, Mukta Arora
*Autore corrispondente per questo lavoro

Risultato della ricerca: Contributo in rivistaArticolo

Abstract

Do some patients benefit from an unrelated donor (URD) transplant because of a stronger graft-versus-leukemia (GVL) effect? We analyzed 4099 patients with acute myeloid leukemia (AML), acute lymphoblastic leukemia (ALL), and chronic myeloid leukemia (CML) undergoing a myeloablative allogeneic hematopoietic cell transplantation (HCT) from an URD (8/8 human leukocyte antigen [HLA]matched, n = 941) or HLA-identical sibling donor (n = 3158) between 1995 and 2004 reported to the CIBMTR. In the Cox regression model, acute and chronic GVHD were added as time-dependent variables. In multivariate analysis, URD transplant recipients had a higher risk for transplantation-related mortality (TRM; relative risk [RR], 2.76; P < .001) and relapse (RR, 1.50; P < .002) in patients with AML, but not ALL or CML. Chronic GVHD was associated with a lower relapse risk in all diagnoses. Leukemia-free survival (LFS) was decreased in patients with AML without acute GVHD receiving a URD transplant (RR, 2.02; P < .001) but was comparable to those receiving HLA-identical sibling transplants in patients with ALL and CML. In patients without GVHD, multivariate analysis showed similar risk of relapse but decreased LFS for URD transplants for all 3 diagnoses. In conclusion, risk of relapse was the same (ALL, CML) or worse (AML) in URD transplant recipients compared with HLA-identical sibling transplant recipients, suggesting a similar GVL effect. (Blood. 2009; 113: 3110-3118)
Lingua originaleInglese
pagine (da-a)3110-3118
Numero di pagine11
RivistaBlood
Volume113
Numero di pubblicazione13
DOI
Stato di pubblicazionePubblicato - 2009

All Science Journal Classification (ASJC) codes

  • Biochimica
  • Immunologia
  • Ematologia
  • Biologia Cellulare

Keywords

  • N/A

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