Allogeneic hematopoietic stem cell transplantation (allo-HSCT) appears to be an efficient tool to cure refractory anemia with excess blasts-1 (RAEB-1), refractory anemia with excess blasts-2 (RAEB-2) and acute myeloid leukemia (AML) secondary to myelodysplastic syndrome (MDS). At present, the necessity of chemotherapy pre-transplantation for RAEB-1, RAEB-2 and AML secondary to MDS (bone marrow blast cells less than 50%) undergoing allo-HSCT remains in discussion. In this study, the effects of chemotherapy and no chemotherapy pre-transplantation in patients with RAEB-1, REAB-2 and AML secondary to MDS (bone marrow blast cells less than 50%) undergoing allo-HSCT are evaluated.
Allo-HSCT appears to be an efficient tool to cure patients with MDS and AML secondary to MDS. Decitabine and/or chemotherapy pre-transplantation could reduce the blast cells in bone marrow and improve the complete remission rate. However, decitabine and/or chemotherapy had side effects and might increase treatment-related mortality. At present, the necessity of chemotherapy pre-transplantation for RAEB-1, RAEB-2 and AML secondary to MDS (bone marrow blast cells less than 50%) undergoing allo-HSCT remains in discussion. In this study, the effects of chemotherapy and no chemotherapy pre-transplantation in patients with RAEB-1, REAB-2 and AML secondary to MDS (bone marrow blast cells less than 50%) undergoing allo-HSCT are evaluated.
Study Type
OBSERVATIONAL
Enrollment
250
Demethylation drug,such as Decitabine
Chemotherapy regimen,such as CAG, G-CSF 5-10ug/kg/day on days 4 and 17;Aclacinomycin 7mg/m2/day on days 4 and 11;Cytarabine 20mg/m2/day on days 4 and 17.
Department of Hematology,Nanfang Hospital, Southern Medical University
Guangzhou, Guangdong, China
RECRUITINGoverall survival (OS)
Time frame: 2 year
relapse rate
Time frame: 2 year
disease-free survival (DFS)
Time frame: 2 year
transplant-related mortality (TRM)
Time frame: 2 year
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