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1 result(s) for "汤传昊 李晓燕 郭万峰 李俭杰 秦海峰 王伟霞 曲莉莉 安娟 高红军 刘晓晴"
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既往吉非替尼治疗获益的晚期NSCLC患者再次使用EGFR—TKI的选择:原药还是换药
背景与目的既往表皮生长因子受体酪氨酸激酶抑制剂(epidermal growth factor recepto rtyrosine kinase inhibitor,EGFR-TKI)治疗获益的晚期非小细胞肺癌(non-small cell lung cancer.NSCLC)患者,再次给予TKI治疗,已逐渐成为一种新的治疗策略。本研究旨在探讨二次TKI治疗时,原药或换药,哪一种选择更为合理。方法回顾晚期或术后复发的NSCLC患者,既往吉非替尼治疗疗效达到完全缓解(complete response,CR)、部分缓解(partial response,PR)或稳定(stable disease,SD),无进展生存期(progression free survival,PFS)≥3个月,病情进展后,间隔时间至少1个月,分别接受吉非替尼或厄洛替尼治疗。就两组患者的疗效、优势人群等进行分析。结果共有6l例患者人组,其中吉非替尼组30例,厄洛替尼组3l例,两组患者基线特征基本平衡。吉非替尼组与厄洛替尼组疗效比较,有效率(response rate,RR)(10%vs22.6%,P=O.300,6)、疾病控制率(disease contral rate,DCR)(60%VS74.2%,P=O.237,8)、中位PFS(3.0个月w3.5个月,P=0.494,5)、中位总生存期(overallsurvival,OS)(8.3个月VS8.5个月,P=0.140,8)均未见统计学差异。多因素分析示:首次吉非替尼PFS_〉6个月(HR=O.317,95%CI:0.102—0.984,P=0.046,9),两次TKI间隔时间23个月(HR=O.224,95%CI:0.071—0.713,P=0.011,3)的患者疾病进展风险降低。而两次TKI间隔时间≥3个月(HR=0.262,95%CI:0.097.0.705,P=0.008,0)的患者死亡风险降低。结论既往吉非替尼治疗获益的晚期NSCLC患者再次TKI治疗,无论选择吉非替尼还是换用厄洛替尼均可获益,这种获益与首次TKI的PFS、以及两次TKI的间隔时间相关。