JCO:半相合造血干细胞移植可降低淋巴瘤患者的慢性GVHD风险

2016-06-29 Mechront 译 MedSci原创

根据一项回顾性研究结果,淋巴瘤患者是否接受半组合相关捐赠或匹配同胞供体的造血干细胞移植,其生存具有可比性。不过使用半组合匹配的捐献者提供的干细胞患者,其慢性移植物抗宿主病(GVHD)风险明显降低。北卡罗莱纳州医疗系统淋巴瘤的癌症研究所的Nilanjan Ghosh博士和同事对987例降低强度预处理方案后进行半组合(n = 180)或HLA匹配(n = 807)的异基因造血干细胞移植(HSCT)患者

根据一项回顾性研究结果,淋巴瘤患者是否接受半组合相关捐赠或匹配同胞供体的造血干细胞移植,其生存具有可比性。不过使用半组合匹配的捐献者提供的干细胞患者,其慢性移植物抗宿主病(GVHD)风险明显降低。

北卡罗莱纳州医疗系统淋巴瘤的癌症研究所的Nilanjan Ghosh博士和同事对987例降低强度预处理方案后进行半组合(n = 180)或HLA匹配(n = 807)的异基因造血干细胞移植(HSCT)患者进行了研究。

半组合HSCT患者移植后接受环磷酰胺预防GVHD,有或无钙调磷酸酶抑制剂。HLA匹配的移植患者使用钙调神经磷酸酶抑制剂预防GVHD。以OS作为研究主要结局。

半组合HSCT组中患者年龄≥60岁的比例更大(35% vs. 24%; P < .001),非裔美国人比例更大(15% vs. 4%; P < .001)。

中位数随访3年,数据显示,半组合组和HLA匹配组相比,达到28天中性粒细胞恢复的患者比例相似(95% vs. 97%)。不过HLA匹配HSCT患者达到28天血小板恢复的比例更大(91% vs. 63%; P = .001)。

虽然两组中有相似的100天累计急性GVHD发生率(27% vs. 25%),但是慢性GVHD发生率在半组合HSCT组显著更低 (12% vs. 45%; P < .001)。多因素分析证实了半组合HSCT对慢性GVHD的长期益处(RR = 0.21; 95% CI, 0.14-0.31)。

半组合和HLA匹配组的3年非复发死亡率相似(15% vs. 13%),复发或进展(37% vs. 40%)、PFS(48%)和OS(61% vs. 62%)也相似。多因素分析显示,在这些领域两组间没有显著差异。

复发性或渐进性疾病是半组合和HLA匹配组的最常见死亡原因(47% vs. 52%);两组死于GVHD的案例分别有1例和13例。

研究人员承认他们的研究的局限性,包括不同组织对患者纳入的差异,因为他们不能确定医院和医生的治疗选择偏好会何种程度的对研究产生影响。

“这项研究表明,与‘金标准’相比,半组合造血干细胞移植具有同样的疗效和较低的毒性,尤其是对于慢性GVHD,”Ghosh说。“在以后希望看到更多的相关研究,为淋巴瘤患者提供更好的治疗。”

原始出处:

Ghosh N, et al. Reduced-Intensity Transplantation for Lymphomas Using Haploidentical Related Donors Versus HLA-Matched Sibling Donors: A Center for International Blood and Marrow Transplant Research Analysis .J Clin Oncol. 2016;doi:10.1200/JCO.2015.66.3476.

Haploidentical HSCT reduces risk for chronic GVHD among patients with lymphoma.HealioJune 28, 2016

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    2017-05-05 laymankey

    感谢分享一下!!

    0

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    2017-04-28 lidong40
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