预防性与预防性转基因供体淋巴细胞输液用于全原造血干细胞移植后高风险急性白血病:一个多中心的回顾性研究
Luxin Yang1,2,3,4, Xiaoyu Lai1,2,3,4, Ting Yang5,6
1Bone Marrow Transplantation Center, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
Bone marrow transplantation
|November 1, 2023
概括
预防性供体淋巴细胞输液 (pro-DLI) 与预防性DLI相比,在异性干细胞移植后,可显著减少复发并改善高风险急性白血病患者的存活率. 这一策略通过预防移植后复发,提高了长期结果.
科学领域:
- 血液学 血液学 血液学
- 在瘤学瘤学.
- 免疫治疗是一种免疫疗法.
背景情况:
- 供体淋巴细胞输液 (DLI) 对于预防复发后异质造血干细胞移植 (allo-HSCT) 至关重要.
- 高危急性白血病患者面临着严重的移植后复发挑战.
研究的目的:
- 在接受all-HSCT的高风险急性白血病患者中,比较预防性修改DLI (pro-DLI) 与预防性修改DLI (pre-DLI) 的疗效.
- 评估DLI前期和DLI前期对生存率和复发率的影响.
主要方法:
- 一项比较性研究涉及95名接受DLI前期治疗的患者和176名接受DLI前期治疗的患者.
- 对3年无进展生存 (PFS),总生存 (OS),复发累积发病率 (CIR) 和诸如移植与宿主疾病 (GVHD) 等不良事件的分析.
主要成果:
- 支持DLI的队列显示了显著更高的3年PFS (63.4%对53.0%,P=0.026) 和较低的CIR (25.3%对36.7%,P=0.02).
- 多变量分析证实了亲DLI对OS (HR=0.63),PFS (HR=0.54) 和CIR (HR=0.50) 的保护作用.
- 三级-四级aGVHD,cGVHD的发病率和非复发性死亡率在两组之间是可比的.
结论:
- 在高风险急性白血病患者中,早期计划的预防性DLI (pro-DLI) 在减少移植后复发方面优于预防性DLI (pre-DLI).
- 支持DLI改善了长期存活率和无进展的存活率,将其确立为首选策略.
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