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胃癌分子靶向治疗的研究进展 被引量:9

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摘要 胃癌是世界范围内最常见的恶性肿瘤之一,是第三个最常见的癌症和癌症致死的第二大原因[1].即便外科手术是治疗胃癌患者的首选方法,但由于早期胃癌临床症状不显著,警戒指标隐匿,导致绝大多数患者在确诊时已出现局部侵犯或远处转移,丧失了手术机会.化疗成为治疗晚期胃癌的最主要手段之一,尽管用于胃癌治疗的化疗药物很多,包括氟尿嘧啶、铂类、紫衫类等,但其联合化疗方案却没有显著提高化疗有效率,胃癌的平均生存期大约在8~11个月.相反的,其附带的毒副反应却相当严重,使部分患者因无法耐受药物毒性而停止化疗.通过对胃癌发病、复发和转移等过程中分子生物机制的研究,分子靶向治疗应运而生.相对于既往传统的治疗方法,靶向治疗具有特异性及选择性,不仅可以稳、准、狠地抑制或杀伤肿瘤细胞,还可以减少对正常细胞及组织的毒副作用.在国际随机研究中,对晚期胃癌而言,仅有曲妥珠单抗、阿帕替尼及雷莫芦单抗已被证实具有显著疗效,其他靶向药物的开发及进一步的研究有待于关注.
作者 张艳 王子安
出处 《中华全科医学》 2015年第10期1693-1695,共3页 Chinese Journal of General Practice
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