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在为攻击性B细胞淋巴瘤使用axicabtagene ciloleucel后免疫恢复的模式
André Airosa Pardal1, Ana Benzaquén2,3, Pablo Granados1,4
1Hematology Department Hospital Universitari i Politècnic La Fe València Spain.
HemaSphere
|October 7, 2025
概括
抗CD19CART细胞治疗后的免疫恢复显示CD8+T和NK细胞迅速增加,但CD4+T细胞和B细胞的恢复速度较慢. 较低的CD4+计数预测了较差的生存结果.
科学领域:
- 免疫学 免疫学 免疫学
- 在瘤学瘤学.
- 血液学 血液学 血液学
背景情况:
- 血液毒性是抗CD19化学抗原受体 (CAR) T细胞治疗后的一个问题.
- 了解淋巴细胞子集和免疫球蛋白水平治疗后的恢复模式对于管理长期影响至关重要.
研究的目的:
- 在侵略性B细胞淋巴瘤中,研究axicabtagene ciloleucel (axi-cel) 治疗后的免疫恢复动力学.
- 确定影响免疫恢复的因素及其对患者结果的影响.
主要方法:
- 追溯分析76名患有复发/耐药性侵袭性B细胞淋巴瘤的患者,这些患者接受了轴细胞治疗.
- 输液后监测CD4+,CD8+T细胞,NK细胞和免疫球蛋白G (IgG) 水平.
- 免疫恢复模式与修改的EASIX评分,皮质类固醇使用和临床结果的相关性.
主要成果:
- CD8+ T和NK细胞在2个月内迅速恢复;CD4+ T细胞的恢复速度较慢,42%,在12个月内达到>200/mm3.
- 在12个月后,18%的B细胞可检测;IgG水平平稳,51%的12个月后达到>400 mg/dL.
- 更高的修改EASIX分数和累积德甲剂量与延迟免疫恢复有关. 低CD4+计数和高CAR-HEMATOTOX在1个月后预测了较差的无进展和整体存活率.
结论:
- 抗CD19CAR T细胞疗法导致淋巴细胞子集的明显恢复模式,CD4+T细胞和B细胞的恢复速度较慢.
- 诸如修改EASIX评分和皮质类固醇使用等因素会影响免疫复原.
- 早期CD4+T细胞计数是轴细胞治疗后长期预后的关键指标.
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