HLA matching affects clinical outcome of adult patients undergoing haematopoietic SCT from unrelated donors: A study from the Gruppo Italiano Trapianto di Midollo Osseo and Italian Bone Marrow Donor Registry

R. Crocchiolo, F. Ciceri, K. Fleischhauer, R. Oneto, B. Bruno, S. Pollichieni, N. Sacchi, M. P. Sormani, R. Fanin, G. Bandini, F. Bonifazi, A. Bosi, A. Rambaldi, P. E. Alessandrino, M. Falda, A. Bacigalupo

Research output: Contribution to journalArticle

Abstract

The importance of HLA donor-recipient matching in unrelated haematopoietic SCT (HSCT) is the subject of debate. In this retrospective study, we analyzed 805 adult patients from the Italian Registry receiving HSCT for a haematological malignancy from January 1999 to June 2006 and correlated the degree of HLA matching with transplant outcome. All patient-donor pairs had high-resolution typing at HLA-A, -B, -C, -DRB1 and -DQB1. There was a significantly higher risk of overall mortality, non-relapse mortality, graft failure and acute GVHD (aGVHD) for patients receiving HSCT from an unrelated donor with one or more low- or high-resolution mismatch/es (Mm/s). When only a single HLA Mm is present (9/10 matched pairs), mortality risk is higher than among 10/10 matched pairs in patients transplanted with acute leukaemia in the first CR ('early' patients) but not in the other patients (advanced patients): HR = 1.69, 95% CI = 0.94-3.02, P = 0.08; HR = 1.03, 95% CI = 0.80-1.32, P = 0.82, for early and advanced patients, respectively. These results confirm that the advantage of a 10/10 match has a greater effect in early patients, thus suggesting that a 9/10 matched donor can be chosen in patients with advanced disease lacking a rapidly available 10/10 matched one.

Original languageEnglish
Pages (from-to)571-577
Number of pages7
JournalBone Marrow Transplantation
Volume44
Issue number9
DOIs
Publication statusPublished - 2009

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Unrelated Donors
Registries
Bone Marrow
Tissue Donors
Mortality
Transplants
HLA-A Antigens
HLA-B Antigens
Hematologic Neoplasms
Leukemia
Retrospective Studies

ASJC Scopus subject areas

  • Hematology
  • Transplantation

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HLA matching affects clinical outcome of adult patients undergoing haematopoietic SCT from unrelated donors : A study from the Gruppo Italiano Trapianto di Midollo Osseo and Italian Bone Marrow Donor Registry. / Crocchiolo, R.; Ciceri, F.; Fleischhauer, K.; Oneto, R.; Bruno, B.; Pollichieni, S.; Sacchi, N.; Sormani, M. P.; Fanin, R.; Bandini, G.; Bonifazi, F.; Bosi, A.; Rambaldi, A.; Alessandrino, P. E.; Falda, M.; Bacigalupo, A.

In: Bone Marrow Transplantation, Vol. 44, No. 9, 2009, p. 571-577.

Research output: Contribution to journalArticle

Crocchiolo, R, Ciceri, F, Fleischhauer, K, Oneto, R, Bruno, B, Pollichieni, S, Sacchi, N, Sormani, MP, Fanin, R, Bandini, G, Bonifazi, F, Bosi, A, Rambaldi, A, Alessandrino, PE, Falda, M & Bacigalupo, A 2009, 'HLA matching affects clinical outcome of adult patients undergoing haematopoietic SCT from unrelated donors: A study from the Gruppo Italiano Trapianto di Midollo Osseo and Italian Bone Marrow Donor Registry', Bone Marrow Transplantation, vol. 44, no. 9, pp. 571-577. https://doi.org/10.1038/bmt.2009.67
Crocchiolo, R. ; Ciceri, F. ; Fleischhauer, K. ; Oneto, R. ; Bruno, B. ; Pollichieni, S. ; Sacchi, N. ; Sormani, M. P. ; Fanin, R. ; Bandini, G. ; Bonifazi, F. ; Bosi, A. ; Rambaldi, A. ; Alessandrino, P. E. ; Falda, M. ; Bacigalupo, A. / HLA matching affects clinical outcome of adult patients undergoing haematopoietic SCT from unrelated donors : A study from the Gruppo Italiano Trapianto di Midollo Osseo and Italian Bone Marrow Donor Registry. In: Bone Marrow Transplantation. 2009 ; Vol. 44, No. 9. pp. 571-577.
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abstract = "The importance of HLA donor-recipient matching in unrelated haematopoietic SCT (HSCT) is the subject of debate. In this retrospective study, we analyzed 805 adult patients from the Italian Registry receiving HSCT for a haematological malignancy from January 1999 to June 2006 and correlated the degree of HLA matching with transplant outcome. All patient-donor pairs had high-resolution typing at HLA-A, -B, -C, -DRB1 and -DQB1. There was a significantly higher risk of overall mortality, non-relapse mortality, graft failure and acute GVHD (aGVHD) for patients receiving HSCT from an unrelated donor with one or more low- or high-resolution mismatch/es (Mm/s). When only a single HLA Mm is present (9/10 matched pairs), mortality risk is higher than among 10/10 matched pairs in patients transplanted with acute leukaemia in the first CR ('early' patients) but not in the other patients (advanced patients): HR = 1.69, 95{\%} CI = 0.94-3.02, P = 0.08; HR = 1.03, 95{\%} CI = 0.80-1.32, P = 0.82, for early and advanced patients, respectively. These results confirm that the advantage of a 10/10 match has a greater effect in early patients, thus suggesting that a 9/10 matched donor can be chosen in patients with advanced disease lacking a rapidly available 10/10 matched one.",
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AU - Ciceri, F.

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AU - Bruno, B.

AU - Pollichieni, S.

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AU - Sormani, M. P.

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AU - Bandini, G.

AU - Bonifazi, F.

AU - Bosi, A.

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