间变淋巴瘤激酶融合基因在肺肉瘤样癌中的表达及治疗分析  被引量:9

Expression of anaplastic lymphoma kinase fusion gene in patients with lung sarcomatoid carcinoma and treatment analysis

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作  者:牛海涛 董平[3] 王佳妮 曾益新 袁伟 袁芃 

机构地区:[1]国家癌症中心/中国医学科学院北京协和医学院肿瘤医院特需医疗部,北京100021 [2]国家癌症中心/中国医学科学院北京协和医学院肿瘤医院内科,北京100021 [3]山东淄博万杰肿瘤医院肿瘤科 [4]国家癌症中心/分子肿瘤学国家重点实验室

出  处:《中华医学杂志》2018年第9期688-691,共4页National Medical Journal of China

基  金:国家自然科学基金资助项目(81602576);中国医学科学院肿瘤医院肿瘤学住院医师规范化培训基地

摘  要:目的探讨间变淋巴瘤激酶(ALK)融合基因在肺肉瘤样癌(LSC)中的表达情况及ALK抑制剂的治疗作用。方法对2011年1月至2014年12月在中国医学科学院北京协和医学院肿瘤医院和山东淄博万杰肿瘤医院就诊的84例经组织病理学证实的LSC标本进行ALK融合基因检测。全组患者均采用手术为主、结合化疗或靶向治疗的多学科综合治疗模式。术后辅助化疗以铂类为基础的两药联合方案为主。复发或转移患者中,ALK融合基因阳性者,采用克唑替尼靶向治疗。应用x2检验对两组1、3、5年生存率进行统计学比较。结果84例患者中82例完成随访。9例(10.7%)患者表达ALK融合基因,应用克唑替尼治疗后,1例疗效评估为完全缓解,6例部分缓解,2例疾病稳定;其1、3、5年生存率分别为100%(9/9)、100%(9/9)和88.9%(8/9)。而ALK融合基因阴性患者1、3、5年生存率分别为65.8%(48/73)、15.1%(11/73)和6.8%(5/73),两组生存率差异均有统计学意义(X。:1.56、1.21、0.83,均P〈0.05)。结论LSC患者可能表达ALK融合基因,与常规化疗相比,克唑替尼可显著延长ALK融合基因阳性患者的生存时间。Objective To investigate the expression status of anaplastic lymphoma kinase (ALK) fusion gene in lung sarcomatoid carcinoma ( LSC ) and the role of ALK inhibitors for treatment. Methods Total of 84 cases of LSC confirmed by histopathology were detected for ALK fusion gene from January 2011 to December 2014 in the Cancer Hospital of Chinese Academy of Medical Science&Peking Union Medical College and Shandong Zibo Wanjie Cancer Hospital. All patients were primarily treated by the muhi- disciplinary mode in combination with chemotherapy or targeted therapy based on surgery. Postoperative adjuvant chemotherapy was given on platinum based two-drug combination regimen. In ALK fusion gene ( + ) patients with recurrence or metastasis, crizotinib target therapy was prefered. Chi-square test was applied for the comparison of 1, 3,5-year survival rates between the two groups. Results Eighty-two cases completed the follow-up. ALK fusion gene was found in 9 ( 10. 7% ) patients. After application of crizotinib, 1 case was evaluated as complete remission, 6 cases as partial response, 2 cases as stable disease ; the 1, 3, 5-year survival rate was 100% (9/9), 100% (9/9) and 88.9% (8/9) for the patients with ALK fusion gene, and it was 65.8% (48/73) , 15.1% (11/73) and 6. 8% (5/73) respectively for patients without ALK fusion gene. There was significant difference in the survival rate between the two groups ( X2 = 1.56, 1.56, 0. 83, all P 〈 0. 05). Conclusion ALK fusion gene maybe expressed in LSC patients. Compared with conventional chemotherapy, crizotinib can significantly prolong the survival time of patients with ALK fusion gene.

关 键 词:肺肉瘤样癌 间变淋巴瘤激酶 融合基因 克唑替尼 

分 类 号:R734.2[医药卫生—肿瘤]

 

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