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王拥军教授:抓住上帝留给我们的最后一扇窗

2017-01-10 07:31:14   

图2《新英格兰医学杂志》发表CHANCE研究成果

项目组继续对所有纳入研究患者进行了严密的长周期随访,发现「双抗」治疗方案在停药后并未出现传统认为的「反跳现象」,仍可保持临床远期净获益长达1年。后续又发现,「双抗」治疗还能使该类患者发病90天的残疾程度显著降低,相对降幅高达31%,从而显著改善患者生活质量。

项目组还通过对CHANCE研究和国际相关试验的荟萃分析发现,将治疗时间窗从24小时扩大至3天、治疗人群从亚裔人种扩大至西方人种,「双抗」治疗仍能显示良好的降低脑血管事件复发的风险。

谈起这些研究,王拥军教授语带骄傲,如数家珍。他告诉丁香园,这些工作分别发表在国际著名的 NEJM、Circulation 等杂志,被 NEJM 评为「2013 年度国际医学领域重大进展研究」,被 Lancet Neurology 评为国际脑血管病领域年度重大进展之一,被 2014 年美国心脏病学协会和美国卒中协会《

缺血性卒中

及短暂性脑缺血发作二级预防指南》及《中国缺血性脑卒中和短暂性脑缺血发作二级预防指南2014》等权威指南纳入并推荐,并被美国脑血管病权威专著引用,并被作为美国心血管专科医生教材,也被编入了我国「十二五」8年制/7年制医学规划教材。

图3CHANCE研究成果被《新英格兰医学杂志》评为2013年国际医学领域重大进展

图4CHANCE研究结果改写了美国卒中指南

从循证到精准,领跑国际研究

CHANCE研究极大改变了脑血管病临床实践,然而,针对经「双抗」治疗仍有8.2%的复发者。更加精确和高效的防治成为王拥军团队的下一个目标。王教授介绍说,项目组采用药物基因组学研究发现,氯吡格雷在人体内代谢与CYP2C19基因的表型显著相关。表型为正常代谢者,氯吡格雷可良好发挥作用,「双抗」治疗获益可额外增加20%,而表型变异为慢代谢/中间代谢型者,则存在氯吡格雷「抵抗」,其「双抗」治疗的效果则显著降低;而在国人中上述慢代谢/中间代谢型比例高达52%,具有不同于西方人种的亚洲特色。

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