Front Oncol:EGFR-TKI联合胸腺素治疗EGFR突变的晚期非小细胞肺癌(NSCLC)可改善患者的预后

2022-01-24 yd2015 MedSci原创

研究表明,EGFR-TKI联合胸腺素治疗可改善EGFR突变的晚期非小细胞肺癌(NSCLC)患者的PFS和OS。

近期,重庆军医大学新桥医院的团队开展了相关研究,主要是探讨EGFR-TKI联合胸腺素治疗EGFR突变的晚期非小细胞肺癌(NSCLC)患者的疗效和安全性。相关结果发表在Frontiers in Oncology杂志上。

研究回顾性筛查2008年8月至2018年7月确诊为EGFR敏感突变的晚期NSCLC患者。患者根据治疗分为采用EGFR-TKI治疗的患者被分为EGFR-TKI组,接受EGFR-TKI和胸腺素治疗组为EGFR-TKI +胸腺素组。主要终点为无进展生存期(PFS)。次要终点包括总生存期(OS)、客观缓解率和不良反应。

2008年8月至2018年7月,共908例患者被确诊为EGFR敏感突变的NSCLC。最后,267例患者接受EGFR-TKI单药治疗,65例患者接受EGFR-TKI联合胸腺素治疗。经过倾向性评分匹配后,130例患者接受EGFR-TKI单药治疗,65例联合治疗。195例患者中位年龄为57.5岁(21 ~ 81岁),120例为女性。经组织学诊断均为腺癌。144例患者接受EGFR-TKI作为一线治疗,51例患者接受二线治疗。93例患者接受吉非替尼治疗,76例患者接受厄洛替尼治疗,26例患者接受埃克替尼治疗。倾向评分匹配后,EGFR-TKI组和EGFR-TKI +胸腺素组基线平衡。

                临床特征

EGFR-TKI +胸腺素组的中位无进展生存期(PFS)为14.4个月(95% CI, 11.7-17.1),显著优于EGFR-TKI单药组的9.2个月(95% CI, 7.9-10.3) (HR=0.433, 95% CI 0.322 - 0.582, P<0.0001)。EGFR-TKI联合胸腺素组的中位OS为29.5个月(95% CI, 21.5-37.5),也显著优于EGFR-TKI单药组的19.8个月(95% CI, 18.2-21.4) (HR=0.430, 95% CI 0.319 - 0.580, P<0.0001)。

                 PFS和OS

联合治疗组在大部分亚组中较EGFR-TKI单药治疗组明显改善患者PFS和OS。

               PFS和OS亚组分析

EGFR-TKI联合胸腺素组和EGFR-TKI单药组的客观缓解率(ORR)分别为60.0%和60.8% (P=0.918)。而DCR分别为96.9%和97.7% (P=1.000)。

最常见的不良事件是皮疹(EGFR-TKI联合胸腺素组为40.0%,EGFR-TKI组为38.5%)、腹泻(分别为23.1%和25.4%)、皮肤干燥(分别为20.0%和20.8%)和厌食症(分别为9.2%和10.0%)。

            不良反应

在EGFR-TKI单药治疗组中, 治疗后CD3 + T细胞减少 (P<0.05),包括 CD3 + CD4 + T和CD3 + CD8 + T细胞亚群 (P<0.05)。但是在联合治疗组没有显著差异。

       两治疗组治疗前后T细胞变化差异

综上,研究表明,EGFR-TKI联合胸腺素治疗可改善EGFR突变的晚期非小细胞肺癌(NSCLC)患者的PFS和OS。

原始出处:

Feng Y, Zhu G, Lang S, Hao P, Li G, Chen F, Zhuo W, Duan Y, Zhang A, Chen Z and Sun J (2021) The Efficacy and Safety of Epidermal Growth Factor Receptor Tyrosine Kinase Inhibitor Combined With Thymosin in Advanced Non-Small Cell Lung Cancer Patients Harboring Active Epidermal Growth Factor Receptor Mutations. Front. Oncol. 11:659065. doi: 10.3389/fonc.2021.659065

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    2022-12-22 minlingfeng
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    2022-01-26 lsj628
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    2022-01-26 liuyiping

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