Abstract

目的评价重组人血小板生成素(rhTPO)对重型再生障碍性贫血(SAA)免疫抑制治疗(IST)近期疗效的影响。方法回顾性分析IST联合rhTPO治疗40例成人SAA患者,以同期单用标准IST方案的患者为对照组,比较两组患者血液学反应及血小板恢复情况,并分析影响近期疗效的相关因素。结果IST后3个月,rhTPO组患者血液学反应率及良好血液学反应率均明显高于对照组(75.0%对50.0%,P=0.022;17.5%对2.5%,P=0.025)。IST后6个月,rhTPO组与对照组患者血液学反应率分别为77.5%和57.5%,差异无统计学意义(P=0.058),但rhTPO组良好血液学反应率高于对照组(45.0%对22.5%,P=0.033)。rhTPO组患者脱离血小板输注时间较对照组短[33(0~90)d对53(0~75)d,P=0.019],血小板输注中位量也明显低于对照组。IST后3个月rhTPO组患者PLT中位数为29(4~95)× 109/L,明显高于对照组的15(5~94)×109/L(P=0.006)。两组患者预期3年生存率比较差异无统计学意义(100.0%对91.0%,P=0.276)。结论rhTPO可提高SAA的IST血液学反应率,加快血小板恢复。

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