JOURNAL ARTICLE

[Allogeneic stem cell transplantation for 75 cases of acute myeloid leukemia in complete remission: outcome and prognostic analysis]

A-Xia Song, Dong-Lin Yang, Jia-Lin Wei, Zhang-Song Yan, Mei Wang, Er-Lie Jiang, Yong Huang, Qing-Guo Liu, Qiao-Ling Ma, Wei-Hua Zhai, Rong-Li Zhang, Si-Zhou Feng, Ming-Zhe Han
Zhongguo Shi Yan Xue Ye Xue za Zhi 2010, 18 (1): 161-6
20137139
This study was purposed to evaluate the outcome of patients with acute myeloid leukemia (AML) who received allogeneic hematopoietic stem cell transplantation (allo-HSCT) in complete remission, and to study the prognostic factors. 75 cases of AML in complete remission receiving allo-HSCT from January 2000 to December 2007 were retrospectively analyzed. Major end points of study included overall survival (OS), disease free survival (DFS), relapse rate and transplantation related mortality (TRM). The results showed that 3-year OS and DFS of the study population reached to 58.4% and 53.9% respectively, and the relapse rate and TRM leaded to 16.9% and 29.9% respectively. Incidence of acute GVHD was 59.6%, with 18.7% II-IV aGVHD. Different prognosis was observed between HSCT recipients of alternative donor and HLA-matched related donor (MRD) (3-year DFS was 34.3% vs 60.0%, p = 0.019), between patients of refractory leukemia and the control (3-year DFS was 35.7% vs 58.2%, p = 0.048), between recipients with and without severe aGVHD (3-year DFS was 35.7% vs 54.4%, p = 0.059). Further analysis revealed significantly high TRM in recipients receiving allo-HSCT of alternative donor (p = 0.033) and high rate of severe aGVHD (p = 0.010). Multivariate analysis revealed three negative prognostic factors: donor availability (alternative vs MRD) (p = 0.049, RR = 2.09, 95%CI 1.01 - 4.36), refractory leukemia (p = 0.038, RR = 2.33, 95%CI 1.05 - 5.20) and severe aGVHD (p = 0.040, RR = 2.33, 95%CI 1.04 - 5.20). It is concluded that allo-HSCT is a choice for the AML case at complete remission and TRM is the major cause of the transplantation failure. Donor availability, refractory leukemia and severe aGVHD are confirmed as risk factors of poor prognosis for allo-HSCT patients with AML in CR.

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