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「新手礼遇」开盒即得惊喜奖励
详细信息
- 软件大小:238.97MB
- 最后更新:2026-07-31 16:08:45
- 最新版本:V11.25.17
- 文件格式:apk
- 应用分类:aaa
- 使用语言:中文
- 联网要求:需要联网
- 系统要求:11.94以上
应用介绍
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【联系我们】
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中新网上海7月30日电(记者 陈静)以往,结直肠癌术后患者只能依靠CT等影像定期随访——被动等待肿瘤“长”到一定大小后,医生方能在影像中发现复发“信号”。这导致部分患者错失复发后根治的“窗口期”。未来,这样的窘况将被改变。
记者30日获悉,中国医学专家开展的一项多中心临床试验结果表明,对结直肠癌术后患者,采用ctDNA甲基化开展动态监测(简称:ctDNA监测)随访,可在其复发病灶“萌芽期”就捕捉到复发“信号”。ctDNA是指循环肿瘤DNA,是肿瘤细胞破裂后释放到血液中的游离DNA片段,携带肿瘤特有的基因突变信息。
中国专家的最新研究发现,经过及时规范的治疗,医生可将复发后获得根治性治疗的患者比例从过去的23.6%提升至48.1%。这将推动未来结直肠癌术后随访模式的革新。
北京时间7月30日,这项由上海的大肠综合治疗科专家彭俊杰教授、病理科专家丁春明教授牵头的国内多中心前瞻性随机对照Ⅲ期FIND临床试验结果在线发表于国际知名肿瘤学期刊《临床肿瘤学杂志》(Journal of Clinical Oncology)。
据介绍,接受根治手术的I-Ⅲ期结直肠癌患者,术后两年是复发转移高危期,肝、肺是最为常见转移部位,合计占所有远处转移的60%至75%。一旦出现复发,医生能否实施手术、消融等根治性局部治疗,直接决定患者长期生存。
“目前,临床上通用的CT随访存在局限——只有肿瘤生长至一定体积才能在影像上显现,待病灶被检出时,很多患者可能已错过接受局部根治的‘窗口期’,或者只能选择维持性的姑息治疗,疗效和患者生存期将大打折扣。”彭俊杰教授在接受采访时指出了临床难题。
为破解这一难题,彭俊杰教授、丁春明教授在2023年至2026年间,共纳入584名术后结直肠癌患者,随机分为ctDNA监测随访组、常规CT随访对照组。彭俊杰教授介绍,中国专家团队的研究开辟全新路径:依靠持续生物标志物监测,在转移灶尚处于寡转移、适合局部根治阶段及时发现病灶,争取二次根治机会。
“我们的这项研究回答了困扰临床的一个长期问题:更灵敏的监测手段,能不能转化为实实在在的治疗获益?研究证实答案是肯定的。”彭俊杰教授告诉记者,ctDNA监测不只是实现更早发现复发,关键在于能够捕捉尚具备根治机会的寡转移病灶。(完)
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