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Decreased treatment failure in recipients of HLA-identical bone marrow or peripheral blood stem cell transplants with high CD34 cell doses. Br J Haematol 2003 Jun;121(6):874-85 PMID: 12786798

Pubmed ID



We studied the association between CD34 cell dose and transplant outcomes in 359 bone marrow (BM) and 511 peripheral blood stem cell (PBSC) transplant recipients from human leucocyte antigen (HLA)-identical siblings, reported to the International Bone Marrow Transplant Registry (IBMTR). Transplants for leukaemia were performed between 1995 and 1998. Patients were divided into those receiving below or above the median CD34+ dose, for BM (3 x 106/kg) and PBSC (6 x 106/kg) grafts respectively. Cox proportional hazards regression was used to adjust for baseline patient-, disease- and transplant-related characteristics. Analysis of the BM recipients showed that high CD34 cell dose was associated with lower transplant-related mortality [relative risk (RR) = 0.60, P = 0.033] and treatment failure (inverse of leukaemia-free survival, RR = 0.69, P = 0.032). Among PBSC recipients, high CD34 dose was associated with faster recovery of neutrophils to > 0.5 x 109/l (RR = 1.38, P < 0.001) and platelets to > 20 x 109/l (RR = 1.34, P = 0.003), lower risk of relapse (RR = 0.62, P = 0.029) and treatment failure (RR = 0.74, P = 0.03). We conclude that higher CD34 cell doses decrease treatment failure in recipients of HLA-identical sibling BM and PBSC transplants.

Author List

Ringdén O, Barrett AJ, Zhang MJ, Loberiza FR, Bolwell BJ, Cairo MS, Gale RP, Hale GA, Litzow MR, Martino R, Russell JA, Tiberghien P, Urbano-Ispizua A, Horowitz MM


Mary M. Horowitz MD, MS Center Director, Professor in the Medicine department at Medical College of Wisconsin
Mei-Jie Zhang PhD Professor in the Institute for Health and Equity department at Medical College of Wisconsin


2-s2.0-0037930786   61 Citations

MESH terms used to index this publication - Major topics in bold

Acute Disease
Antigens, CD34
Bone Marrow Transplantation
Child, Preschool
Chronic Disease
Graft vs Host Disease
Hematopoietic Stem Cell Transplantation
Infant, Newborn
Middle Aged
jenkins-FCD Prod-321 98992d628744e349846c2f62ac68f241d7e1ea70