在接受前线bendamustine-rituximab治疗的惰性非霍奇金淋巴瘤患者中发生的二次原发性恶性瘤
Gwynivere A Davies1,2,3, Anca Prica4,5, Zharmaine Ante6
1Department of Oncology, McMaster University, Hamilton, Ontario, Canada.
Cancer
|March 3, 2026
概括
在单变量分析中,Bendamustine-rituximab (BR) 治疗惰的B细胞非霍奇金淋巴瘤 (iBCL) 显示了二次原发性恶性瘤 (SPM) 的更高风险,但这在多变量模型中并不显著. 需要进一步的研究来验证这些发现.
科学领域:
- 血液学 血液学 血液学
- 在瘤学瘤学.
- 流行病学 流行病学
背景情况:
- 班达穆斯丁-利图西马布 (BR) 是一种标准的第一线治疗B细胞非霍奇金淋巴瘤 (iBCL).
- 抗逆转录疗法与发展次要原发性恶性瘤 (SPM) 的风险之间的关联尚不清楚.
- 了解这种风险对于优化淋巴瘤治疗策略至关重要.
研究的目的:
- 调查达穆斯丁 - 里图西马布 (BR) 治疗与患有无节奏B细胞非霍奇金淋巴瘤 (iBCL) 患者的二次原发性恶性瘤 (SPM) 发生率之间的关联.
- 在接受BR治疗的患者中比较SPM风险与以循环胺为基础的历史治疗方案 (R-CVP/CHOP).
主要方法:
- 一项基于人口的队列研究,使用连接的安大略省医疗保健数据库.
- 将接受BR (2013-2022) 的患者与接受R-CVP/CHOP (2006-2012) 的历史队列进行比较.
- 使用累积发病率函数和竞争性风险模型评估5年SPM发病率,并在6个月后进行里程碑式分析.
主要成果:
- 在单变量分析 (p=0.019) 中,与R-CVP/CHOP (7.2%) 相比,BR (8.9%) 观察到更高的5年SPM发病率.
- 多变量分析没有显示BR和R-CVP/CHOP之间的SPM风险有显著差异 (HR,1.13;p=0.22).
- 增加的BR周期数量与边界性增加的SPM风险 (HR,1.51;p=0.06) 相关,SPM发展显著缩短了生存期.
结论:
- 虽然单变量分析表明BR的SPM风险更高,但这在多变量模型中没有得到证实.
- 延长BR治疗时间和增加SPM风险之间的潜在关联需要进一步调查.
- 建议对风险调整的化疗方案进行前性验证和研究.
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