pevonedistat联合阿扎胞苷作为治疗罕见骨髓癌的初始治疗试验宣告失败

2021-09-14 MedSci原创 MedSci原创

武田药品工业株式会社 2期Pevonedistat-2001试验评估pevonedistat联合阿扎胞苷vs单用阿扎胞苷治疗罕见白血病患者,包括较高危骨髓异常增生综合征(HR-MDS)。

武田药品工业株式会社 2期Pevonedistat-2001试验评估pevonedistat联合阿扎胞苷vs单用阿扎胞苷治疗罕见白血病患者,包括较高危骨髓异常增生综合征(HR-MDS)。

武田pevonedistat是一种首创的(first-in-class)NEDD8激活酶(NAE)抑制剂,通过破坏蛋白质稳态导致癌细胞死亡。在治疗HR-MDS、高危CMML(HR-CMML)、AML患者的2期研究以及治疗AML患者的1期研究中,pevonedistat联合阿扎胞苷显示出良好的临床活性。pevonedistat有潜力成为十多年来HR-MDS的第一个新型治疗选择,将扩大迄今仅限于低甲基化剂(HMA)单药疗法的治疗选择。

Pevonedistat-2001试验是一项针对HR-MDS、较高危慢性粒单核细胞白血病(HR-CMML)和低母细胞急性髓细胞白血病(LB-AML)患者的概念验证研究。研究结果显示,pevonedistat联合阿扎胞苷治疗HR-MDS在多个疗效终点方面均优于阿扎胞苷单药治疗,包括延长总生存期(23.9个月 vs 19.1个月)、延长无进展生存期(20.2个月 vs 14.8个月)、提高完全缓解率(52% vs 27%)。尽管主要终点OS未达到预定义的统计学意义,但pevonedistat联合治疗的OS在数值上比单用阿扎胞苷更长,EFS也有受益趋势,事件的定义是死亡或转为AML。

2020年7月底,美国FDA曾授予pevonedistat治疗HR-MDS患者的突破性疗法认定。

遗憾的是,在前几天公布的3期临床试验PANTHER研究(Pevonedistat-3001,NCT03268954),未观察到阳性结果。

9月2日,武田制药宣布3期PANTHER研究(Pevonedistat-3001,NCT03268954)在无事件生存期(PFS)主要终点方面没有达到预先设定的统计学显著性。

据悉,该试验在高危骨髓增生异常综合症(HR-MDS)、慢性单核细胞白血病(CMML)、低粒细胞急性髓性白血病(LB-AML)患者中开展,评估了pevonedistat联合阿扎胞苷一线治疗与单用阿扎胞苷相比是否能改善EFS。该研究中的事件定义为:HR-MDS或CMML患者死亡或转化为AML,以先发生者为准,以及AML患者的死亡。

研究中,pevonedistat与阿扎胞苷联合用药方案的安全概况与先前报告的数据一致。完整研究数据将在即将召开的医学会议上公布。该研究中的研究人员已被告知结果,以便与研究参与者讨论潜在影响。武田将与研究人员合作,为参与研究的每位患者确定最合适的行动。

经检索美国临床试验数据库(clinicaltrials.gov),除了3期PANTHER研究之外,武田也正在3期PEVOLAM研究中评估pevonedistat联合阿扎胞苷、阿扎胞苷单药疗法治疗不适合标准化疗的AML患者。

此外,该公司也正在多项2期临床研究中,评估pevonedistat的多种联合用药方案,包括:pevonedistat+维奈克拉+阿扎胞苷方案治疗不适合强化化疗的AML成人患者,pevonedistat+地西他滨+西达尿苷方案治疗HR-MDS成人患者,pevonedistat+Keytruda方案治疗dMMR/MSI-H转移性或局部晚期不可切除性实体瘤,pevonedistat+化疗治疗间皮瘤和非小细胞肺癌等。

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    2022-06-30 feather89
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    2021-09-16 syscxl
  5. [GetPortalCommentsPageByObjectIdResponse(id=2022124, encodeId=414a20221244c, content=<a href='/topic/show?id=0ca732196ef' target=_blank style='color:#2F92EE;'>#初始治疗#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=32196, encryptionId=0ca732196ef, topicName=初始治疗)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f7482500171, createdName=ms4468361851264128, createdTime=Mon Nov 08 02:54:12 CST 2021, time=2021-11-08, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1729114, encodeId=53041e29114c1, content=<a href='/topic/show?id=986913980dd' target=_blank style='color:#2F92EE;'>#PE#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13980, encryptionId=986913980dd, topicName=PE)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f06c33759375, createdName=feather89, createdTime=Thu Jun 30 10:54:12 CST 2022, time=2022-06-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2013701, encodeId=9e8a2013e01f4, content=<a href='/topic/show?id=7d69598468' target=_blank style='color:#2F92EE;'>#Dis#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5984, encryptionId=7d69598468, topicName=Dis)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c689267, createdName=cmj8wellington, createdTime=Wed Aug 17 05:54:12 CST 2022, time=2022-08-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1467629, encodeId=fe8c146e629b6, content=<a href='/topic/show?id=ef32e9539e8' target=_blank style='color:#2F92EE;'>#罕见#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=79539, encryptionId=ef32e9539e8, topicName=罕见)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=29f36868190, createdName=syscxl, createdTime=Thu Sep 16 01:54:12 CST 2021, time=2021-09-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1051049, encodeId=59d310510495b, content=这是典型的2期临床试验大获成功,但是3期<a href='/topic/show?id=ea112303079' target=_blank style='color:#2F92EE;'>#临床试验#</a>失败的案例!一项研究从2期向3期转化,并不容易,尤其是2期成功,会使得研究设计变得激进,反而容易导致3期临床试验的失败。因此,临床研究试验的设计,就变得十分重要。, beContent=null, objectType=article, channel=null, level=null, likeNumber=356, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=23030, encryptionId=ea112303079, topicName=临床试验)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20211210/ede9c51184aa4f54ae6c1164cfb8eeac/967dbf3eff2943c7bf3ccfec3a776ab0.JPG, createdBy=a33789389, createdName=病毒猎手, createdTime=Tue Sep 14 10:55:18 CST 2021, time=2021-09-14, status=1, ipAttribution=)]
    2021-09-14 病毒猎手

    这是典型的2期临床试验大获成功,但是3期#临床试验#失败的案例!一项研究从2期向3期转化,并不容易,尤其是2期成功,会使得研究设计变得激进,反而容易导致3期临床试验的失败。因此,临床研究试验的设计,就变得十分重要。

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