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Blood:脐带血移植为难治性重度再生障碍性贫血患者带来新的希望

2018-05-15 MedSci MedSci原创

中心点:对于难治性SAA患者,经FLU-CY-ATG-2-GyTBI诱导缓解后,进行脐带血移植(至少4x107个冷冻有核细胞/kg),可获得较高的总体存活率。对于无合适匹配供体的难治性特发性SAA患者,脐带血移植是一个极具价值的治疗选择。摘要:难治性重度再生障碍性贫血(SAA)患者预后仍是不尽如人意。或许该考虑更换供体移植,但既往研究结果并不支持这么做。Regis Peffault de Lato

中心点:

对于难治性SAA患者,经FLU-CY-ATG-2-GyTBI诱导缓解后,进行脐带血移植(至少4x107个冷冻有核细胞/kg),可获得较高的总体存活率。

对于无合适匹配供体的难治性特发性SAA患者,脐带血移植是一个极具价值的治疗选择。

摘要:

难治性重度再生障碍性贫血(SAA)患者预后仍是不尽如人意。或许该考虑更换供体移植,但既往研究结果并不支持这么做。Regis Peffault de Latour等人进行一前瞻性全国II期研究,评估非血缘的脐带血移植(CBT)用于难治性SAA患者的效果和安全性。

共招募了26位患者,中位年龄16岁。合格标准:要求一单位或两单位的脐带血单独或加起来超过4x107个冷冻有核细胞/患者体重[kg]。缓解诱导治疗包括氟达拉滨、环磷酰胺、胸腺球蛋白和2-Gy全身性放射治疗。

中位随访38.8个月,23位(88%)患者进行移植;II-IV级急性和慢性移植物抗宿主病(GvHD)的累积发病率分别是45.8%和36%。第一年有23位患者存活,总体存活率达88.5%,显著高于预期的20%差异(p<0.0001);2年总体存活率84%。

综上所述,至少含有4x107个冷冻有核细胞/kg的脐带血移植或许可成为无合适匹配供体的难治性SAA的年轻患者的有效治疗选择。

原始出处

Regis Peffault de Latour, et al.Unrelated cord blood transplantation in patients with acquired refractory aplastic anemia: a nationwide phase II study.Blood  2018  :blood-2018-01-829630;  doi: https://doi.org/10.1182/blood-2018-01-829630

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    2018-05-17 freve
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