JOURNAL ARTICLE

[Clinical analysis of 104 patients with hematological malignancy after allogeneic hemotopoietic stem cell transplantation]

Yan Chen, Yajing Xu, Yan Zhu, Gan Fu, Yi Liu, Jie Peng, Bin Fu, Qun He, Dengshu Wu, Xiaolin Li, Xielan Zhao, Fangping Chen
Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences 2011, 36 (9): 859-64
21946205

OBJECTIVE: To study the efficacy of allogeneic hemotopoietic stem cell transplantation (allo-HSCT) for hematological malignancy.

METHODS: A total of 104 patients with hematological malignancy, who underwent allo-HSCT in Xiangya Hospital from December 1999 to January 2010, were retrospectively analyzed. Of the patients, the transplantation related mortality (TRM), relapse rate (RR), 5-year overall survival (OS) and disease free survival (DFS) were estimated by Kaplan-Meier analysis. The unfavorable prognostic factors were also statistically examined.

RESULTS: Hematopoietic reconstitution was achieved in 101 patients. At the last data of follow-up, the incidences of severe acute graft versus host disease (aGVHD) and extensive chronic GVHD were 15.38% and 25.53%, and the TRM and RR were 15.66% and 21.76%, respectively. The estimated 5-year OS and DFS for all patients were (73.49±4.59)% and (63.10±5.32)%, respectively. Those for acute myeloid leukemia (AML) patients were (63.00±9.51)% and (49.30±9.96)%, and those for chronic myeloid leukemia (CML) patients were (83.87±5.06)% and (74.55±6.79)%, respectively. The survival analysis suggested the poor prognostic factors for allo-HSCT recipients including female sex, severe aGVHD and refractory hematological malignancy. Further multivariate analyses revealed that severe aGVHD and refractory hematological malignancy were the independent risk factors of poor prognosis for the recipients (P<0.05). The 5-year DFS of severe aGVHD and refractory hematological malignancy patients was (48.22±12.69)% and (42.09±12.31)%, respectively. The TRM of severe aGVHD, HLA-mismatched graft and unrelated donor transplant was significantly higher than that of the corresponding control groups (57.14% vs. 4.81%, 33.33% vs. 10.41%, 26.09% vs. 9.28%; P<0.05). The RR of refractory hematological malignancy was significantly higher than that of the control group (41.09% vs. 15.63%, P<0.05).

CONCLUSION: The treatment of allo-HSCT can improve the disease free survival of patients with hematological malignany and is an important therapeutic method for hematological malignancy. Severe aGVHD and refractory hematological malignancy are the independent risk factors of poor prognosis for the allo-HSCT recipients with hematological malignancy.

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