Fludarabine was added into the standard BU/CY regimen, consisting of Fludarrabine, busulfan, cyclophosphamide and rabbit anti thymocyte globulin (FDR/BU/CY/ATG).

• 氟达拉宾加入标准的BU/CY方案形成“氟达拉宾、马利兰、环磷酰胺及抗胸腺球蛋白(FDR/BU/CY/ATG)”组成的预处理方案。