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[Comparative analysis between autologous and allogeneic hematopoietic stem cell transplantation in 114 adult patients with acute lymphoblastic leukemia in long-term follow-up].

[Article in Chinese]

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Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300020, China.


This study was aimed to explore the effect of autologous hematopoietic stem cell transplantation (auto-HSCT) and allogeneic hematopoietic stem cell transplantation (allo-HSCT) in adult patients with acute lymphoblastic leukemia and to analyze the related prognostic factors. Clinical data of 114 ALL patients receiving HSCT, including 70 auto-HSCT and 44 allo-HSCT, were retrospectively analyzed. Disease-free-survival (DFS), relapse-rate (RR) and transplantation-related-mortality (TRM) of patients receiving different HSCT were compared. The results showed that the eight-year OS and DFS in a total of 114 adult ALL patients were (40.89+/-5.27)% and (39.50+/-5.22)% respectively. The three-year DFS of ALL patients who received HSCT in phase CR1 and no CR1 were (47.63+/-5.63)% and (17.65+/-9.25)% (p=0.0034). The two-year DFS of patients who received allo-HSCT and had I/II aGVHD was (62.75+/-12.30)%, and the six-month DFS of patients who had III/IV aGVHD was 0, and the two-year DFS of patients without aGVHD was (29.35+/-9.70)% (p=0.005). The three-year DFS of patients with and without maintenance chemotherapy after transplantation were (55.12+/-7.89)% and (33.33+/-11.11)% respectively, there was significant difference between them (p=0.0499). The five-year DFS between patients received auto-HSCT and allo-HSCT in phase CR1 was not significantly different. The RR of patients received allo-HSCT was lower than that of patients received auto-HSCT, but there was no significant difference between them. The TRM of patients received allo-HSCT was higher than of patients received auto-HSCT (p=0.0313). Expression of myeloid antigen and higher LDH level in diagnosis were poor- prognostic factors. It is concluded that auto-HSCT and allo-HSCT completed in phase CR1 may improve prognosis of the patient with ALL as a method for consolidation chemotherapy, but no significant difference exists between the two HSCTs. Patients receiving allo-HSCT and having I/II aGVHD may achieve higher DFS. The maintaining chemotherapy for patients after auto-HSCT may improve therapeutic effect.

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