Front Oncol:回顾性分析实体恶性肿瘤伴有脑转移患者从免疫检查点抑制剂治疗的获益情况

2021-11-22 yd2015 MedSci原创

脑转移瘤(BM)预后不佳,目前缺乏有效的全身治疗方法。近期,Frontiers in Oncology杂志上发表了来自美国团队的研究成果。在该研究中,研究人员从TriNetX数据库中筛查出多个实体恶性

脑转移瘤(BM)预后不佳,目前缺乏有效的全身治疗方法。近期,Frontiers in Oncology杂志上发表了来自美国团队的研究成果。在该研究中,研究人员从TriNetX数据库中筛查出多个实体恶性肿瘤伴有脑转移(BM)的患者,收集相关临床病理特征,并评估免疫检查点抑制剂(immune checkpoint inhibitor, ICI)治疗的效果。

研究收集以下变量,包括中位总生存期(OS),东部肿瘤合作组(ECOG)评分,原发肿瘤和诊断日期。Kaplan-Meier和log-rank检验用于评估生存差异的显著性。计算HR和95%置信区间(CI)值。

                    临床特征

在TriNetX数据库中,2015年1月1日至2020年6月30日期间,共有筛查出22.7255万例确诊为BM的患者。在已确认的病例中,103,248例在2020年12月31日之前死亡,从原发肿瘤诊断后开始的中位OS为12.3个月,从发生BM开始的中位OS为7.1个月。

              BM患者预后

此外,研究分析了不同类型癌症患者的生存时间。特别地,研究者调查了NSCLC、TNBC、黑色素瘤和RCC患者,因为ICIs更常用来治疗这些类型的肿瘤。共有104765例患者被诊断为非小细胞肺癌,48894例达到了主要终点(死亡)。NSCLC患者的中位OS均明显短于其他部位恶性肿瘤患者(8.7个月vs. 12.3个月;HR:1.30;95%CI: 1.28-1.32)。共有30820例确诊为TNBC伴BM的患者,中位OS为14.7个月。黑色素瘤(n = 11,338)和RCC (n = 6,973)患者的中位OS持续时间分别为17.8个月和15.6个月。

为了进一步研究ICIs对患者预后的影响,研究人员使用PSM模型根据基线人口统计学特征、合并症、放疗前、手术以及ECOG表现状态对患者进行匹配。对于所有类型的癌症,使用ICI的队列包括25,220例患者,而未使用ICI的队列包括25,243例患者。ICI组和非ICI组患者的OS分别为14.0个月和7.9个月(HR: 0.88;95% CI: 0.85-0.91),表明暴露于ICIs的患者的生存显著改善。

                  ICIs治疗对预后影响

在非小细胞肺癌组中,ICI和非ICI队列各纳入13,401例,中位OS分别为14.4个月和8.2个月(HR: 0.86;95%CI:0.82-0.90)。在TNBC组中,3449例和3461例分别纳入ICI和非ICI队列,中位OS分别为23.9个月和11.6个月(HR: 0.87;95% CI: 0.82-0.92)。同样,黑色素瘤组ICI和非ICI队列中均纳入了3617例,中位OS分别为27.6个月和16.8个月(HR: 0.80;95%CI:0.73-0.88)。这些数据揭示了使用ICI对这些癌症类型的显著好处;然而,对RCC合并BM患者,ICI和非ICI队列患者的中位OS分别为16.7个月vs. 14.0个月(HR: 0.96;95%CI:0.86-1.10)。

综上,研究表明,脑转移患者预后较差,ICIs治疗可改善NSCLC、TNBC、黑色素瘤患者预后,但不能改善RCC患者预后。

原始出处:

Du W, Sirbu C, Lucas BD Jr., Jubelirer SJ, Khalid A and Mei L (2021) A Retrospective Study of Brain Metastases From Solid Malignancies: The Effect of Immune Checkpoint Inhibitors. Front. Oncol. 11:667847. doi: 10.3389/fonc.2021.667847

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    2022-04-24 minlingfeng
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    2022-10-28 jklm09
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    2021-12-30 147940b0m87暂无昵称

    请问有大佬知道如何获取TriNetX数据库的数据吗

    0

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    2021-11-23 148257a3m89(暂无昵称)

    不断学习

    0

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