Lancet:新型XIa抑制剂asundexian比阿哌沙班在心房颤动患者中更加安全

2022-04-10 网络 网络

与标准剂量的阿哌沙班相比,FXIa抑制剂atsundexian的剂量为20、50mg,对心房颤动患者的体内FXIa抑制接近完全,出血率较低。

直接作用的口服抗凝剂用于预防心房颤动的中风受到出血问题的限制。Asundexian是一种新型的口服小分子活化凝血因子XIa(FXIa)抑制剂,可能会减少血栓形成,而对止血的影响最小。

为了确定asundexian的最佳剂量,并将出血发生率与阿哌沙班在心房颤动患者中的发生率进行比较,来自杜克大学医学院杜克临床研究所的专家开展了一项随机、双盲、2期剂量调查研究,结果发表在Lancet杂志上。

研究人员对45岁或以上的心房颤动、CHA2DS2-VASc评分≥2分(男性)或≥3分(女性)以及出血风险增加的患者进行了asundexian20mg或50mg每日一次与阿哌沙班5mg每日两次的比较。该研究在14个国家的93个地点进行,包括12个欧洲国家、加拿大和日本。参与者通过交互式网络响应系统被随机分配到一个治疗组(1:1:1),并根据患者在研究开始前是否正在接受直接作用的口服抗凝剂来进行随机分层。主要终点是出大出血或临床相关的非大出血。

在2020年1月30日和2021年6月21日之间,有862名患者入选。755名患者被随机分配到治疗中。753名患者被纳入分析(249名asundexian20mg,254名asundexian50mg,250名接受阿哌沙班)。参与者的平均年龄为73.7岁(SD 8.3),309人(41%)为女性, CHA2DS2-VASc平均得分为3.9(1.3)。

Asundexian 20mg在低谷浓度时对FXIa活性的抑制率为81%,峰值浓度时的抑制率为90%;Asundexian 50mg在低谷浓度时的抑制率为92%,峰值浓度时的抑制率为94%。主要终点的发生率比例,asundexian20mg(3个事件)为0.50(90%CI为0.14-1.68),asundexian 50mg(1个事件)为0.16(0.01-0.99),汇集的asundexian(4个事件)与阿哌沙班(6个事件)的比例为0.33(0.09-0.97)。

不同组别间主要事件发生率

三个治疗组发生任何不良事件的比率相似:asundexian20mg 118人(47%),asundexian 50mg 120人(47%),阿哌沙班122人(49%)。

综上,与标准剂量的阿哌沙班相比,FXIa抑制剂atsundexian的剂量为20、50mg,对心房颤动患者的体内FXIa抑制接近完全,出血率较低。

 

参考文献:

Safety of the oral factor XIa inhibitor asundexian compared with apixaban in patients with atrial fibrillation (PACIFIC-AF): a multicentre, randomised, double-blind, double-dummy, dose-finding phase 2 study. https://doi.org/10.1016/S0140-6736(22)00456-1

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    2022-11-03 howi
  2. [GetPortalCommentsPageByObjectIdResponse(id=1831532, encodeId=c5a0183153260, content=<a href='/topic/show?id=1b6210686b2' target=_blank style='color:#2F92EE;'>#Lancet#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10686, encryptionId=1b6210686b2, topicName=Lancet)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=3f0227, createdName=howi, createdTime=Thu Nov 03 13:41:29 CST 2022, time=2022-11-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1852937, encodeId=4da1185293e66, content=<a href='/topic/show?id=f0a254918f0' target=_blank style='color:#2F92EE;'>#抑制剂#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=54918, encryptionId=f0a254918f0, topicName=抑制剂)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=44a360, createdName=jklm09, createdTime=Wed Nov 02 06:41:29 CST 2022, time=2022-11-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1241723, encodeId=4b211241e23b6, content=新型XIa抑制剂<a href='/topic/show?id=39491046292a' target=_blank style='color:#2F92EE;'>#Asundexian#</a>比<a href='/topic/show?id=95089e7452f' target=_blank style='color:#2F92EE;'>#阿哌沙班#</a>在<a href='/topic/show?id=180251038d2' target=_blank style='color:#2F92EE;'>#心房颤动#</a>患者中更加安全,<a href='/topic/show?id=8da8314804a' target=_blank style='color:#2F92EE;'>#出血风险#</a>更小,可期待, beContent=null, objectType=article, channel=null, level=null, likeNumber=84, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=104629, encryptionId=39491046292a, topicName=Asundexian), TopicDto(id=97745, encryptionId=95089e7452f, topicName=阿哌沙班), TopicDto(id=51038, encryptionId=180251038d2, topicName=心房颤动), TopicDto(id=31480, encryptionId=8da8314804a, topicName=出血风险)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220519/c2ab253484ee4527a2d4e9589a4821ac/45de9bf494a54becb2ea4369c9d11e85.jpg, createdBy=7a3710, createdName=循证小兵, createdTime=Mon Aug 29 02:47:26 CST 2022, time=2022-08-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1626993, encodeId=cb2e162699336, content=<a href='/topic/show?id=986a5101e46' target=_blank style='color:#2F92EE;'>#心房#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=48, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=51017, encryptionId=986a5101e46, topicName=心房)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=20ba21064884, createdName=sodoo, createdTime=Sat Apr 09 01:41:29 CST 2022, time=2022-04-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1243963, encodeId=bd78124396317, content=lancet上果然牛,感谢梅斯更新及时, beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=younei, createdTime=Thu Apr 07 13:41:29 CST 2022, time=2022-04-07, status=1, ipAttribution=)]
    2022-11-02 jklm09
  3. [GetPortalCommentsPageByObjectIdResponse(id=1831532, encodeId=c5a0183153260, content=<a href='/topic/show?id=1b6210686b2' target=_blank style='color:#2F92EE;'>#Lancet#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10686, encryptionId=1b6210686b2, topicName=Lancet)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=3f0227, createdName=howi, createdTime=Thu Nov 03 13:41:29 CST 2022, time=2022-11-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1852937, encodeId=4da1185293e66, content=<a href='/topic/show?id=f0a254918f0' target=_blank style='color:#2F92EE;'>#抑制剂#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=54918, encryptionId=f0a254918f0, topicName=抑制剂)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=44a360, createdName=jklm09, createdTime=Wed Nov 02 06:41:29 CST 2022, time=2022-11-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1241723, encodeId=4b211241e23b6, content=新型XIa抑制剂<a href='/topic/show?id=39491046292a' target=_blank style='color:#2F92EE;'>#Asundexian#</a>比<a href='/topic/show?id=95089e7452f' target=_blank style='color:#2F92EE;'>#阿哌沙班#</a>在<a href='/topic/show?id=180251038d2' target=_blank style='color:#2F92EE;'>#心房颤动#</a>患者中更加安全,<a href='/topic/show?id=8da8314804a' target=_blank style='color:#2F92EE;'>#出血风险#</a>更小,可期待, beContent=null, objectType=article, channel=null, level=null, likeNumber=84, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=104629, encryptionId=39491046292a, topicName=Asundexian), TopicDto(id=97745, encryptionId=95089e7452f, topicName=阿哌沙班), TopicDto(id=51038, encryptionId=180251038d2, topicName=心房颤动), TopicDto(id=31480, encryptionId=8da8314804a, topicName=出血风险)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220519/c2ab253484ee4527a2d4e9589a4821ac/45de9bf494a54becb2ea4369c9d11e85.jpg, createdBy=7a3710, createdName=循证小兵, createdTime=Mon Aug 29 02:47:26 CST 2022, time=2022-08-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1626993, encodeId=cb2e162699336, content=<a href='/topic/show?id=986a5101e46' target=_blank style='color:#2F92EE;'>#心房#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=48, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=51017, encryptionId=986a5101e46, topicName=心房)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=20ba21064884, createdName=sodoo, createdTime=Sat Apr 09 01:41:29 CST 2022, time=2022-04-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1243963, encodeId=bd78124396317, content=lancet上果然牛,感谢梅斯更新及时, beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=younei, createdTime=Thu Apr 07 13:41:29 CST 2022, time=2022-04-07, status=1, ipAttribution=)]
    2022-08-29 循证小兵

    新型XIa抑制剂#Asundexian##阿哌沙班##心房颤动#患者中更加安全,#出血风险#更小,可期待

    0

  4. [GetPortalCommentsPageByObjectIdResponse(id=1831532, encodeId=c5a0183153260, content=<a href='/topic/show?id=1b6210686b2' target=_blank style='color:#2F92EE;'>#Lancet#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10686, encryptionId=1b6210686b2, topicName=Lancet)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=3f0227, createdName=howi, createdTime=Thu Nov 03 13:41:29 CST 2022, time=2022-11-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1852937, encodeId=4da1185293e66, content=<a href='/topic/show?id=f0a254918f0' target=_blank style='color:#2F92EE;'>#抑制剂#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=54918, encryptionId=f0a254918f0, topicName=抑制剂)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=44a360, createdName=jklm09, createdTime=Wed Nov 02 06:41:29 CST 2022, time=2022-11-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1241723, encodeId=4b211241e23b6, content=新型XIa抑制剂<a href='/topic/show?id=39491046292a' target=_blank style='color:#2F92EE;'>#Asundexian#</a>比<a href='/topic/show?id=95089e7452f' target=_blank style='color:#2F92EE;'>#阿哌沙班#</a>在<a href='/topic/show?id=180251038d2' target=_blank style='color:#2F92EE;'>#心房颤动#</a>患者中更加安全,<a href='/topic/show?id=8da8314804a' target=_blank style='color:#2F92EE;'>#出血风险#</a>更小,可期待, beContent=null, objectType=article, channel=null, level=null, likeNumber=84, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=104629, encryptionId=39491046292a, topicName=Asundexian), TopicDto(id=97745, encryptionId=95089e7452f, topicName=阿哌沙班), TopicDto(id=51038, encryptionId=180251038d2, topicName=心房颤动), TopicDto(id=31480, encryptionId=8da8314804a, topicName=出血风险)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220519/c2ab253484ee4527a2d4e9589a4821ac/45de9bf494a54becb2ea4369c9d11e85.jpg, createdBy=7a3710, createdName=循证小兵, createdTime=Mon Aug 29 02:47:26 CST 2022, time=2022-08-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1626993, encodeId=cb2e162699336, content=<a href='/topic/show?id=986a5101e46' target=_blank style='color:#2F92EE;'>#心房#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=48, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=51017, encryptionId=986a5101e46, topicName=心房)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=20ba21064884, createdName=sodoo, createdTime=Sat Apr 09 01:41:29 CST 2022, time=2022-04-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1243963, encodeId=bd78124396317, content=lancet上果然牛,感谢梅斯更新及时, beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=younei, createdTime=Thu Apr 07 13:41:29 CST 2022, time=2022-04-07, status=1, ipAttribution=)]
    2022-04-09 sodoo
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    2022-04-07 younei

    lancet上果然牛,感谢梅斯更新及时

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