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27 June 2017 : Original article  

Risk Factors for Graft-Versus-Host Disease After Transplantation of Hematopoietic Stem Cells from Unrelated Donors in the China Marrow Donor Program

Fan Yang1ABCDE, Daopei Lu2ABE, Yu Hu3AB, Xiaojun Huang4AB, He Huang5AB, Jing Chen6AB, Depei Wu7AB, Jianmin Wang8AB, Chun Wang9AB, Mingzhe Han10AB, Hu Chen11AB*

DOI: 10.12659/AOT.902805

Ann Transplant 2017; 22:384-401

Abstract

BACKGROUND: We identified risk factors for acute and chronic graft-versus-host disease (aGVHD and cGVHD, respectively) in recipients after hematopoietic stem cell transplantation (HSCT) from unrelated donors in the China Marrow Donor Program (CMDP).

MATERIAL AND METHODS: We analyzed follow-up clinical information from 1824 patients who underwent HSCT between 2001 and 2010.

RESULTS: The incidence of aGVHD and cGVHD after transplantation was 49.29% and 27.3%, respectively. aGVHD incidence decreased as HLA matching increased (p<0.001). Incidence of aGVHD and cGVHD was higher in 2 HLA-A locus donor/recipient groups (02: 01/02: 06 and 02: 01/02: 07; p≤0.022). aGVHD incidence was associated with patient age, absence of rabbit anti-thymocyte globulin (ATG) pretreatment, and disease status (p≤0.040). aGVHD appeared to be a risk factor for cGVHD, and total body irradiation (TBI) was also associated with cGVHD. Patients with cGVHD after transplantation had a higher survival rate than patients without cGVHD (p<0.001), which may be due to reduced relapse rates. Survival was also associated with ATG prophylaxis and disease status.

CONCLUSIONS: The incidence of GVHD after HSCT from unrelated donors in the Chinese population is similar to the results reported from other countries. A high degree of HLA matching, a conditioning regimen without TBI, and the use of ATG may reduce the incidence of aGVHD.

Keywords: Graft vs Host Disease, Whole-Body Irradiation, Hematopoietic Stem Cell Transplantation, Hematopoietic Stem Cells

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Annals of Transplantation eISSN: 2329-0358
Annals of Transplantation eISSN: 2329-0358