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选择性雌激素受体降解剂 (SERD) amcenestrant 治疗乳腺癌,未能达到主要终点

2022-03-14 Allan MedSci原创

赛诺菲近日宣布对其实验性选择性雌激素受体降解剂 (SERD) amcenestrant 的 II 期研究未能达到其改善某些乳腺癌患者的无进展生存期 (PFS) 的主要终点。

雌激素受体(ER)在ER阳性乳腺癌的基因转录和增殖中起重要作用。ER的选择性调节已超过30年来一直是这种特定类型乳腺癌的治疗目标。选择性雌激素受体调节剂(SERMs)和芳香化酶抑制剂(AIs)已被证明是ER阳性乳腺癌的有效治疗方法。不幸的是,3–5年后,有30–50%的ER阳性肿瘤对SERM / AI治疗产生抗药性。

雌激素受体(ER)阳性、人表皮生长因子受体2(HER2)阴性乳腺癌是最多发的乳腺癌类型,占50岁以下女性乳腺癌病例的65%和50岁及以上女性乳腺癌病例的75%。雌激素与ER结合,刺激受体调节下的转录,进而促进肿瘤细胞的生长和增殖。ER阳性乳腺癌具有异质性。不同肿瘤在以下方面存在差异:ER数量水平、孕激素受体(PR)表达(由ER驱动)、组织学分级、增殖程度(通过Ki-67标志或其他指标衡量)、基因表达模式及基因组改变的类型和频率。对ER阳性乳腺癌采取的激素疗法可减少雌激素生成、中断ER信号传导、降解ER或者改变ER调节下的信号传导或增殖通路。

赛诺菲近日宣布对其实验性选择性雌激素受体降解剂 (SERD) amcenestrant 的 II 期研究未能达到其改善某些乳腺癌患者的无进展生存期 (PFS) 的主要终点。赛诺菲研发主管 John Reed 表示:“尽管结果令人失望,但我们将继续研究 amcenestrant 对具有不同肿瘤特征的早期乳腺癌患者的有效性”。

AMERA-3 试验评估了口服 amcenestrant 作为单一疗法与医生选择的内分泌治疗相比,在激素治疗期间或之后进展的局部晚期或转移性雌激素受体阳性 (ER+)/HER2 阴性乳腺癌患者的有效性。结果显示,试验中没有发现新的安全信号。

 

原始出处:

https://firstwordpharma.com/story/5524831

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    2022-09-25 bsmagic9140
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  5. [GetPortalCommentsPageByObjectIdResponse(id=1996995, encodeId=a46119969957f, content=<a href='/topic/show?id=b706232e831' target=_blank style='color:#2F92EE;'>#主要终点#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=110, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=23278, encryptionId=b706232e831, topicName=主要终点)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7387164, createdName=zhangj7108, createdTime=Tue Aug 16 14:08:16 CST 2022, time=2022-08-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2051761, encodeId=61512051e61f8, content=<a href='/topic/show?id=95f8e042dd' target=_blank style='color:#2F92EE;'>#EST#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=107, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=7042, encryptionId=95f8e042dd, topicName=EST)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=e9a6357, createdName=xiangyuzhou971, createdTime=Mon Sep 26 00:08:16 CST 2022, time=2022-09-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1657618, encodeId=5e27165e6187e, content=<a href='/topic/show?id=3ca31e71903' target=_blank style='color:#2F92EE;'>#TRA#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=105, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=17719, encryptionId=3ca31e71903, topicName=TRA)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=757b24868428, createdName=bsmagic9140, createdTime=Sun Sep 25 03:08:16 CST 2022, time=2022-09-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1922996, encodeId=5a36192299613, content=<a href='/topic/show?id=78f794e800a' target=_blank style='color:#2F92EE;'>#选择性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=100, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=94780, encryptionId=78f794e800a, topicName=选择性)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=a0802500050, createdName=肉我只吃一口, createdTime=Fri Jan 06 03:08:16 CST 2023, time=2023-01-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1503503, encodeId=1a5b15035035d, content=<a href='/topic/show?id=59d798e61f0' target=_blank style='color:#2F92EE;'>#雌激素受体#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=106, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=98761, encryptionId=59d798e61f0, topicName=雌激素受体)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=ae6c9649886, createdName=surilei, createdTime=Wed Mar 16 14:08:16 CST 2022, time=2022-03-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1202839, encodeId=4a781202839e3, content=好东西,谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=109, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=d0be2111725, createdName=萌宝嘟嘟, createdTime=Tue Mar 15 19:01:46 CST 2022, time=2022-03-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1202628, encodeId=aa421202628ca, content=好好学, beContent=null, objectType=article, channel=null, level=null, likeNumber=103, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210628/d028dd72803b466fbec4fbb95fb69ab8/36dc5ab269ac424d983ff54da9dc4e15.jpg, createdBy=37881573320, createdName=liuyingying35, createdTime=Mon Mar 14 23:32:19 CST 2022, time=2022-03-14, status=1, ipAttribution=)]
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    2022-03-15 萌宝嘟嘟

    好东西,谢谢分享

    0

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    2022-03-14 liuyingying35

    好好学

    0

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