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埃克替尼一线治疗基因敏感突变的晚期非小细胞肺癌的临床效果

2017-07-01曾爱屏于起涛

中国医药导报 2017年14期
关键词:基因突变

曾爱屏+于起涛

[摘要] 目的 评价埃克替尼一线治疗基因敏感突变的晚期非小细胞肺癌的近期效果和不良反应。 方法 回顾性分析2013年1月~2015年10月在广西医科大学附属肿瘤医院就诊的表皮生长因子受体(EGFR)基因突变的晚期非小细胞肺癌患者,口服埃克替尼125 mg/次,3次/d,直至肿瘤进展或出现不能耐受的毒副作用。评估患者的临床疗效、不同时间段的获益率、不良反应。 结果 59例患者中位无进展生存期(PFS)为13.1(2.1,72.4)个月,完全缓解(CR)2例,部分缓解(PR)40例,疾病稳定(SD)13例,疾病进展(PD)4例,全组客观缓解率(CR+PR)为71.2%,疾病控制率(CR+PR+SD)为93.2%,主要的毒副作用是皮疹、腹泻,未见间质性肺病及血液学毒性出现。 结论 埃克替尼能有效提高EGFR基因突变的晚期非小细胞肺癌患者的疗效及患者获益率,且安全性高,但该药的靶向及精准治疗仍需后期大样本多中心的研究来证实。

[关键词] 埃克替尼;表皮生长因子受体;基因突变;非小细胞肺癌;近期疗效;不良反应

[中图分类号] R734.2 [文献标识码] A [文章编号] 1673-7210(2017)05(b)-0080-04

[Abstract] Objective To evaluate the short-term efficacy and adverse reactions of Icotinib as first-line therapy for advanced non-small cell lung cancer with sensitive gene mutations. Methods A retrospective analysis was conducted to the advanced non-small cell lung cancer patients with epidermal growth factor receptor (EGFR) mutations, who were treated in Affiliated Tumor Hospital of Guangxi Medical University from January 2013 to October 2015. The patients were prescribed Icotinib medication, once 125 mg, 3 times/day, until tumor showed progression or the toxic side effects could not be tolerated. The clinical efficacy, benefit ratio in different periods, and adverse reactions were evaluated. Results The median progression free survival (PFS) was 13.1 (2.1, 72.4) months in 59 patients, with completed remission (CR) in 2 cases, partial remission (PR) in 40 cases, stable disease (SD) in 13 cases, and progressive disease (PD) in 4 cases. The objective remission rate (CR+PR) was 71.2%, and the disease control rate (CR+PR+SD) was 93.2%. The main side effects were rash and diarrhea. No interstitial lung disease and hematologic toxicity were observed. Conclusion Icotinib can effectively improve the efficacy and benefit rate of advanced non-small cell lung cancer patients with EGFR mutations, with high safety, but the target and precise treatment of this drug still needs large sample and multicentric researches to be confirmed.

[Key words] Icotinib; Epidermal growth factor receptor; Gene mutations; Non-small cell lung cancer; Short-term efficacy; Adverse reactions

肺癌是世界惡性肿瘤中发病率及病死率最高的疾病,每年有超过100万的新发病例,其中超过80%的患者被确诊为非小细胞肺癌(NSCLC),目前,NSCLC是世界范围上发病率与病死率居于前列的恶性肿瘤之一[1-2]。在各种类型的肺癌中,NSCLC占80%~85%,手术切除是其治疗的最有效手段,但因为肺癌发病的隐匿性,大多数患者确诊时已丧失了早期手术切除的机会。晚期NSCLC占NSCLC发病总数的40%左右[3],传统晚期NSCLC的治疗多以化疗为主要的治疗方式,但其效果较为局限,患者的中位生存时间仅为0.8年[4]。……

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