Br J Cancer:放疗前中性粒细胞淋巴细胞比值(NLR):口咽癌患者的预后指标

2020-10-23 xiaozeng MedSci原创

在发达国家,口咽癌的发病率呈上升趋势。人乳头瘤病毒(HPV)是一种传染性病原体,目前对于宿主对持续性HPV感染的炎症反应程度的研究有助于改善肿瘤转化、癌症治疗反应和患者预后。

在发达国家,口咽癌的发病率呈上升趋势。人乳头瘤病毒(HPV)是一种传染性病原体,目前对于宿主对持续性HPV感染的炎症反应程度的研究有助于改善肿瘤转化、癌症治疗反应和患者预后。

中性粒细胞淋巴细胞比值(NLR)是系统性炎症的简单生物标志物,目前已被证实是包括前列腺癌、肾癌、胃癌、脑癌和咽下癌在内的几种实体癌的预后标志物。该研究旨在评估治疗前NLR对口咽癌患者预后的影响。

该队列的总生存率、无复发率、局部控制率和远处转移率

该研究分析了已完成口咽癌放疗(RT)并于2002年至2013年放疗前进行血细胞计数的共884例患者。NLR数值为总中性粒细胞/淋巴细胞,并使用Kaplan-Meier方法估算存活率。使用线性和Cox回归方法进行单变量和多变量的分析。

不同HPV状态下的总体生存率

研究人员发现,RT前NLR的中位数为3。NLR<3的患者的总生存率(OS)高于NLR≥3的患者(5年OS 85 vs 74%)。而根据HPV状态进行分层分析,患者的OS差异仍然显著。NLR<3的患者的无任何复发率(FFR)、局部控制率(LRC)和无远处复发率(FDR)更好。在多变量分析中,RT前NLR的升高对于OS、FFR和LRC的负面影响仍很显著。

根据肿瘤(T)分期和NLR的总体生存率分层分析

综上,该研究结果揭示,放疗前NLR是口咽癌患者的一个独立预后因素,与HPV的状态无关。NLR较低的患者具有更好的总生存率和疾病控制率。


原始出处:

Ng, S.P., Bahig, H., Jethanandani, A. et al. Prognostic significance of pre-treatment neutrophil-to-lymphocyte ratio (NLR) in patients with oropharyngeal cancer treated with radiotherapy. Br J Cancer (14 October 2020).

 

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    2020-10-25 yuandd

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