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J Clin Oncol:曲妥珠单抗治疗HER2低表达乳腺癌的疗效和安全性

2020-02-17 不详 MedSci原创

曲妥珠单抗deruxtecan(T-DXd,前身是DS-8201a)是一种新型的人表皮生长因子受体2(HER2)靶向抗体药物偶联物(ADC),具有拓扑异构酶I抑制剂有效载荷。一项剂量递增和扩展I期研究评估了T-DXd在晚期HER2表达/突变实体肿瘤患者中的安全性和活性。本文报道了T-Dxd以推荐剂量用于HER2低水平乳腺癌的扩展患者的结果。本研究招募晚期/转移的HER2低表达的标准治疗难治性的乳腺

曲妥珠单抗deruxtecan(T-DXd,前身是DS-8201a)是一种新型的人表皮生长因子受体2(HER2)靶向抗体药物偶联物(ADC),具有拓扑异构酶I抑制剂有效载荷。一项剂量递增和扩展I期研究评估了T-DXd在晚期HER2表达/突变实体肿瘤患者中的安全性和活性。本文报道了T-Dxd以推荐剂量用于HER2低水平乳腺癌的扩展患者的结果。

本研究招募晚期/转移的HER2低表达的标准治疗难治性的乳腺癌患者。予以5.4或6.4 mg/kg T-Dxd,静滴,1次/3周,直到撤出研究、出现不可耐受的毒性或病程进展。评估抗肿瘤活性和安全性。

2016年8月-2018年8月,共招募了54位患者,至少接受了一剂量的T-Dxd。患者接受了多次预处理(中位既往治疗7.5次)。客观缓解率为37.0%(20/54),缓解中位持续时间为10.4个月。大部分患者(53/54,98.1%)至少发生过1次需紧急治疗的不良反应事件(63%)。最常见的3级及以上的不良反应事件有中性粒细胞减少、血小板减少、WBC计数减少、贫血、低钾血症、AST升高、食欲减退和腹泻。三位以6.4kg/mg剂量治疗的患者发生了与T-Dxd诱导的间质性肺疾病相关的致命性事件。

本研究显示,该新型HER2 靶向ADC,T-Dxd,对于HER2低表达乳腺癌患者具有初始抗肿瘤活性。大部分毒性反应为肠道血液学方面的。间质性肺疾病是一种重要的风险识别,应密切监测并积极管理

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  3. [GetPortalCommentsPageByObjectIdResponse(id=1720926, encodeId=b0531e2092678, content=<a href='/topic/show?id=634ee040179' target=_blank style='color:#2F92EE;'>#疗效和安全性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=51, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=70401, encryptionId=634ee040179, topicName=疗效和安全性)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=16ef32982072, createdName=经常头晕, createdTime=Sat Feb 22 21:33:00 CST 2020, time=2020-02-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1648158, encodeId=76501648158d2, content=<a href='/topic/show?id=d5c560226fc' target=_blank style='color:#2F92EE;'>#曲妥珠#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=58, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=60226, encryptionId=d5c560226fc, topicName=曲妥珠)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=a67b23554000, createdName=linlin2320, createdTime=Thu Jul 02 05:33:00 CST 2020, time=2020-07-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1865787, encodeId=d9451865e8772, content=<a href='/topic/show?id=16ce133504e' target=_blank style='color:#2F92EE;'>#Oncol#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=56, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13350, encryptionId=16ce133504e, topicName=Oncol)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b63894, createdName=minlingfeng, createdTime=Fri May 15 06:33:00 CST 2020, time=2020-05-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1032408, encodeId=f38510324085c, content=谢谢梅斯提供这么好的信息,学到很多, beContent=null, objectType=article, channel=null, level=null, likeNumber=75, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=内科新手, createdTime=Mon Feb 17 16:33:00 CST 2020, time=2020-02-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1037987, encodeId=8d70103e98796, content=谢谢梅斯分享这么多精彩信息, beContent=null, objectType=article, channel=null, level=null, likeNumber=64, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=anti-cancer, createdTime=Mon Feb 17 16:33:00 CST 2020, time=2020-02-17, status=1, ipAttribution=)]
    2020-05-15 minlingfeng
  4. [GetPortalCommentsPageByObjectIdResponse(id=1720926, encodeId=b0531e2092678, content=<a href='/topic/show?id=634ee040179' target=_blank style='color:#2F92EE;'>#疗效和安全性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=51, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=70401, encryptionId=634ee040179, topicName=疗效和安全性)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=16ef32982072, createdName=经常头晕, createdTime=Sat Feb 22 21:33:00 CST 2020, time=2020-02-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1648158, encodeId=76501648158d2, content=<a href='/topic/show?id=d5c560226fc' target=_blank style='color:#2F92EE;'>#曲妥珠#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=58, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=60226, encryptionId=d5c560226fc, topicName=曲妥珠)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=a67b23554000, createdName=linlin2320, createdTime=Thu Jul 02 05:33:00 CST 2020, time=2020-07-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1865787, encodeId=d9451865e8772, content=<a href='/topic/show?id=16ce133504e' target=_blank style='color:#2F92EE;'>#Oncol#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=56, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13350, encryptionId=16ce133504e, topicName=Oncol)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b63894, createdName=minlingfeng, createdTime=Fri May 15 06:33:00 CST 2020, time=2020-05-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1032408, encodeId=f38510324085c, content=谢谢梅斯提供这么好的信息,学到很多, beContent=null, objectType=article, channel=null, level=null, likeNumber=75, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=内科新手, createdTime=Mon Feb 17 16:33:00 CST 2020, time=2020-02-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1037987, encodeId=8d70103e98796, content=谢谢梅斯分享这么多精彩信息, beContent=null, objectType=article, channel=null, level=null, likeNumber=64, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=anti-cancer, createdTime=Mon Feb 17 16:33:00 CST 2020, time=2020-02-17, status=1, ipAttribution=)]
    2020-02-17 内科新手

    谢谢梅斯提供这么好的信息,学到很多

    0

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    2020-02-17 anti-cancer

    谢谢梅斯分享这么多精彩信息

    0

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