在扩散型大B细胞淋巴瘤的五年幸存者中,随后恶性瘤的治疗特异性风险
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Y M Geurts1, S I M Neppelenbroek1, B M P Aleman2
1Department of Epidemiology, Netherlands Cancer Institute, Amsterdam.
ESMO open
|February 13, 2024
概括
扩散性大B细胞淋巴瘤 (DLBCL) 幸存者面临随后癌症的风险增加,特别是那些在较年轻时接受治疗或高剂量化疗的人. 利图西马布可能会降低这种风险,因此需要进一步调查.
科学领域:
- 在瘤学瘤学.
- 癌症流行病学 癌症流行病学
- 临床研究 临床研究
背景情况:
- 扩散性大B细胞淋巴瘤 (DLBCL) 的存活率在像Rituximab这样的治疗方法下有所改善.
- 对于DLBCL幸存者的长期健康结果需要仔细评估.
- 评估二次癌症风险对于管理长期DLBCL存活率至关重要.
研究的目的:
- 调查DLBCL幸存者的后续恶性瘤 (SMN) 的长期风险.
- 确定影响SMN风险的因素,包括诊断时的年龄和治疗方案.
- 评估利图西马布对DLBCL幸存者的SMN发育的影响.
主要方法:
- 一个多中心的队列研究2373五年DLBCL幸存者.
- 观察到的SMN发病率与预期的癌症率进行比较,以计算标准化发病率比率 (SIR) 和绝对超额风险 (AER).
- 多变量考克斯回归分析以评估治疗特定风险.
主要成果:
- 患有DLBCL的幸存者具有显著增加的SMN风险 (SIR 1.5).
- 治疗后至少20年,SMN风险持续升高,特别是在40岁或之前被诊断出SMN的患者中.
- 高剂量的循环胺/多克索鲁比增加了固体SMN的风险;利图西马布与较低的亚腹膜SMN风险有关.
结论:
- 经过五年的DLBCL幸存者经历了较高的SMN发病率.
- 诊断时年轻的年龄和密集化疗 (cyclophosphamide/doxorubicin) 与SMN风险增加有关.
- 引入Rituximab可能会降低SMN风险,需要更长的后续研究.
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