肿瘤病学年鉴:帕洛昔布联合内分泌治疗与卡培他滨治疗转移性乳腺癌的疗效比较

2021-04-12 MedSci原创 MedSci原创

与卡培他滨相比,帕洛昔单抗联合内分泌治疗并不能改善MAC患者的PFS,但能更好地改善患者生活质量。

乳腺癌是乳腺上皮细胞在多种致癌因子的作用下,发生增殖失控的现象。乳腺癌常被称为“粉红杀手”,其发病率位居女性恶性肿瘤的首位,男性乳腺癌较为少见。随着医疗水平的提高,乳腺癌已成为疗效最佳的实体肿瘤之一。

目前,激素受体阳性和人表皮生长因子受体2(HER2)阴性转移性乳腺癌(MBC)的大多数妇女都推荐使用单剂内分泌治疗(ET)。然而,由于原发性或获得性耐药性,并非所有患者都对内分泌治疗敏感。

在过去的十年里,新的靶向治疗,主要是CDK4/6抑制剂,与ET结合,使得MBC患者无进展生存期(PFS)和总生存期(OS) 显著提高。PALOMA-3试验表明,与氟维司群加安慰剂相比,加用帕洛昔布显著改善了PFS危险比。因此,美国食品药品监督管理局(FDA)和欧洲药品管理局(EMA)都批准了对MBC患者使用帕洛昔布加氟维司群治疗这些患者。

尽管帕洛昔布联合内分泌治疗是激素受体阳性和HER2阴性转移性乳腺癌的标准治疗方法。然而,它的疗效还没有在三期试验中与化疗相比较。为此,来自西班牙康普坦大学医学系的肿瘤学专家开展了三期临床试验,结果发表在最新的《肿瘤学年鉴》(Annals of Oncology)杂志上。

该试验为PEARL试验,是一项多中心、三期随机研究,其中具有芳香酶抑制剂抗性(AIs)的MBC患者被纳入两个连续队列。在队列1中,患者以1 : 1的比例被随机分配到帕洛昔布联合依西美坦或卡培他滨组。

在发现雌激素受体-1 (ESR1)突变导致对AIs耐药的新证据后,该试验被修改为队列2,其中患者被随机分配到1 : 1的帕洛昔布加氟维司群和卡培他滨组。分层标准是疾病部位、既往对ET的敏感性、化疗方案等。共同主要终点是队列2和野生型ESR1患者的无进展生存期(PFS)。

试验设计流程图。

从2014年3月至2018年7月,分别有296名和305名患者纳入队列1和队列2。在队列2[中位PFS: 7.5 vs 10.0个月;aHR=1.13, 95%CI:0.85-1.50]及野生型ESR1突变患者中[中位PFS: 8.0 vs 10.6个月;aHR=1.11, 95%CI:0.87-1.41],帕洛昔布加ET治疗都并不优于卡培他滨治疗。

PFS的KaplaneMeier曲线。(A)队列2:帕洛昔布加氟维司群与卡培他滨的患者和(B)队列1:队列2:帕洛昔布加内分泌治疗与卡培他滨的野生型ESR1患者。根据疾病部位、对内分泌治疗的既往敏感性、转移性乳腺癌的既往化疗和受累部位的数量调整风险比。

帕洛昔布加依西美坦、帕洛昔布加氟维司群和卡培他滨最常见的3-4级毒性分别为中性粒细胞减少症(57.4%、55.7%和5.5%)、手足综合征(0%、0%和23.5%)和腹泻(1.3%、1.3%和7.6%)。但洛昔布联合ET治疗患者生活质量更优(全球健康状况恶化时间HR=0.67;95%CI:0.53-0.85)。

由此可见,与卡培他滨相比,帕洛昔单抗联合内分泌治疗并不能改善MAC患者的PFS,但能更好地改善患者生活质量。

 

参考文献:

Palbociclib in combination with endocrine therapy versus capecitabine in hormonal receptor-positive, human epidermal growth factor 2-negative, aromatase inhibitor-resistant metastatic breast cancer: a phase III randomised controlled trial—PEARL. https://doi.org/10.1016/j.annonc.2020.12.013

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    2021-04-22 科研科研科研

    帕罗惜布治疗乳腺癌

    0

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  4. [GetPortalCommentsPageByObjectIdResponse(id=1682663, encodeId=5c6d16826638c, content=<a href='/topic/show?id=d4d031e8074' target=_blank style='color:#2F92EE;'>#分泌#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=31780, encryptionId=d4d031e8074, topicName=分泌)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=30bd35, createdName=一叶知秋, createdTime=Tue Apr 27 23:43:36 CST 2021, time=2021-04-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=959536, encodeId=fc4c959536e8, content=帕罗惜布治疗乳腺癌, beContent=null, objectType=article, channel=null, level=null, likeNumber=57, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210110/e6124a4b19bc40ce8afaae096d21126b/dd778ac260c9416eb87e7d08139507f5.jpg, createdBy=4d2f5079605, createdName=科研科研科研, createdTime=Thu Apr 22 20:01:17 CST 2021, time=2021-04-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1293521, encodeId=4aaa1293521e6, content=<a href='/topic/show?id=a82f36493c4' target=_blank style='color:#2F92EE;'>#卡培他滨#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=36493, encryptionId=a82f36493c4, topicName=卡培他滨)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=1c8c241, createdName=w363522449, createdTime=Wed Apr 14 09:43:36 CST 2021, time=2021-04-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1386744, encodeId=e3c71386e44c1, content=<a href='/topic/show?id=f08293399f9' target=_blank style='color:#2F92EE;'>#转移性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=26, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=93399, encryptionId=f08293399f9, topicName=转移性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=1ac22500003, createdName=1249842em09(暂无昵称), createdTime=Wed Apr 14 09:43:36 CST 2021, time=2021-04-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=956577, encodeId=d30b9565e764, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=58, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210413/8061a962539d452bbfb306396ed79deb/e0ea950e3e474920b8d8d1b11a5ffced.jpg, createdBy=be095402886, createdName=ms5000000000121449, createdTime=Tue Apr 13 14:02:17 CST 2021, time=2021-04-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=956373, encodeId=0ccb9563e328, content=三人行,必有我师。 <a href='/topic/show?id=d55f104233bd' target=_blank style='color:#2F92EE;'>#梅斯医学科研互助群#</a> 欢迎您的加入,添加【梅斯医学科研助手**:medsci_2021】邀您进群! 【社群简介】👉 梅斯医学目前已建立覆盖肿瘤、心血管、神经、消化、内分泌、呼吸等30个科室的学习交流社群。 【入群福利】👉 群内可实时交流病例,提问同行,跨群讨论,每天更新前沿医学资讯和指南共识,每周推出至少1场专业直播,不时共享科研干货,入群即可获得100份SCI写作攻略!, beContent=null, objectType=article, channel=null, level=null, likeNumber=75, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=104233, encryptionId=d55f104233bd, topicName=梅斯医学科研互助群)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210413/08ec7710e47c4f6dba6c277207bf00ec/823f09e953ea44188e56b38cd2f16334.jpg, createdBy=ec565230154, createdName=first smile, createdTime=Mon Apr 12 22:44:58 CST 2021, time=2021-04-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1032870, encodeId=924310328e039, 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=48, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=内科新手, createdTime=Mon Apr 12 21:43:36 CST 2021, time=2021-04-12, status=1, ipAttribution=)]
  5. [GetPortalCommentsPageByObjectIdResponse(id=1682663, encodeId=5c6d16826638c, content=<a href='/topic/show?id=d4d031e8074' target=_blank style='color:#2F92EE;'>#分泌#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=31780, encryptionId=d4d031e8074, topicName=分泌)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=30bd35, createdName=一叶知秋, createdTime=Tue Apr 27 23:43:36 CST 2021, time=2021-04-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=959536, encodeId=fc4c959536e8, content=帕罗惜布治疗乳腺癌, beContent=null, objectType=article, channel=null, level=null, likeNumber=57, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210110/e6124a4b19bc40ce8afaae096d21126b/dd778ac260c9416eb87e7d08139507f5.jpg, createdBy=4d2f5079605, createdName=科研科研科研, createdTime=Thu Apr 22 20:01:17 CST 2021, time=2021-04-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1293521, encodeId=4aaa1293521e6, content=<a href='/topic/show?id=a82f36493c4' target=_blank style='color:#2F92EE;'>#卡培他滨#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=36493, encryptionId=a82f36493c4, topicName=卡培他滨)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=1c8c241, createdName=w363522449, createdTime=Wed Apr 14 09:43:36 CST 2021, time=2021-04-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1386744, encodeId=e3c71386e44c1, content=<a href='/topic/show?id=f08293399f9' target=_blank style='color:#2F92EE;'>#转移性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=26, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=93399, encryptionId=f08293399f9, topicName=转移性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=1ac22500003, createdName=1249842em09(暂无昵称), createdTime=Wed Apr 14 09:43:36 CST 2021, time=2021-04-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=956577, encodeId=d30b9565e764, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=58, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210413/8061a962539d452bbfb306396ed79deb/e0ea950e3e474920b8d8d1b11a5ffced.jpg, createdBy=be095402886, createdName=ms5000000000121449, createdTime=Tue Apr 13 14:02:17 CST 2021, time=2021-04-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=956373, encodeId=0ccb9563e328, content=三人行,必有我师。 <a href='/topic/show?id=d55f104233bd' target=_blank style='color:#2F92EE;'>#梅斯医学科研互助群#</a> 欢迎您的加入,添加【梅斯医学科研助手**:medsci_2021】邀您进群! 【社群简介】👉 梅斯医学目前已建立覆盖肿瘤、心血管、神经、消化、内分泌、呼吸等30个科室的学习交流社群。 【入群福利】👉 群内可实时交流病例,提问同行,跨群讨论,每天更新前沿医学资讯和指南共识,每周推出至少1场专业直播,不时共享科研干货,入群即可获得100份SCI写作攻略!, beContent=null, objectType=article, channel=null, level=null, likeNumber=75, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=104233, encryptionId=d55f104233bd, topicName=梅斯医学科研互助群)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210413/08ec7710e47c4f6dba6c277207bf00ec/823f09e953ea44188e56b38cd2f16334.jpg, createdBy=ec565230154, createdName=first smile, createdTime=Mon Apr 12 22:44:58 CST 2021, time=2021-04-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1032870, encodeId=924310328e039, 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=48, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=内科新手, createdTime=Mon Apr 12 21:43:36 CST 2021, time=2021-04-12, status=1, ipAttribution=)]
    2021-04-13 ms5000000000121449

    学习了

    0

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    2021-04-12 first smile

    三人行,必有我师。 #梅斯医学科研互助群# 欢迎您的加入,添加【梅斯医学科研助手**:medsci_2021】邀您进群! 【社群简介】👉 梅斯医学目前已建立覆盖肿瘤、心血管、神经、消化、内分泌、呼吸等30个科室的学习交流社群。 【入群福利】👉 群内可实时交流病例,提问同行,跨群讨论,每天更新前沿医学资讯和指南共识,每周推出至少1场专业直播,不时共享科研干货,入群即可获得100份SCI写作攻略!

    0

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    2021-04-12 内科新手

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论文解读|Haiquan Lu/Chuanzhao Zhang教授团队揭示了针对乳腺癌干细胞中CBS的新疗法以对抗三阴性乳腺癌

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【热点解读】2024 DEGRO 乳腺癌脑转移和软脑膜癌病个体化放射治疗指南

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目前,临床可以借助基因检测等手段对乳腺癌进行亚型分型,进而选择最适合患者的治疗方案。

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