FDA拒绝批准vadadustat治疗CKD相关贫血

2022-04-03 Allan MedSci原创

研究表明,在非透析依赖患者的主要疗效和安全性终点方面,虽然 vadadustat 在主要疗效目标上取得了成功,但它未能证明在 MACE 方面的非劣效性。

在慢性肾脏病(chronic kidney disease,CKD)病程进展中,大约 50% 的 CKD 3期~CKD 5 期患者并发贫血,且血液透析患者合并贫血的比例更高。促红细胞生成素缺乏并非贫血发生的唯一原因,缺铁、氧化应激、胰岛素抵抗、药物等也会加重贫血的进展和降低机体造血系统对EPO的反应。

除了引起致残性症状以外,重度贫血可能影响非透析CKD患者和透析患者的心血管功能。对于非透析CKD患者,重度贫血可能引起CKD进展加快,包括进展为终末期肾病(end-stage kidney disease, ESKD)。

制药公司 Akebia Therapeutics 近日表示,FDA 就其申请口服 HIF-PH 抑制剂 vadadustat 治疗慢性肾脏病(CKD)引起的贫血发出了完整的回复信(CRL)。根据 Akebia 的说法,FDA 得出的结论是:申请中包含的数据不支持 vadadustat 对透析和非透析 CKD 患者的临床益处。

该公司的提交的文件包括 III 期 INNO2VATE 试验。研究表明,在透析依赖患者的主要疗效和安全性终点方面,vadadustat 均不劣于 Amgen 的 Aranesp(darbepoetin alfa),而安全性终点着眼于首次发生主要不良心血管事件 (MACE) 的时间。

提交的文件还包含 PRO2TECT 试验的结果,这是一项 vadadustat 与 Aranesp 的头对头研究。研究表明,在非透析依赖患者的主要疗效和安全性终点方面,虽然 vadadustat 在主要疗效目标上取得了成功,但它未能证明在 MACE 方面的非劣效性。

图1.PRO2TECT 试验设计(图片来源https://www.nejm.org/doi/full/10.1056/NEJMoa2035938)

根据 Akebia 的说法,FDA 的 CRL 强调了非透析人群的安全性挫折、透析患者血栓栓塞事件风险增加以及药物性肝损伤的风险。

无独有偶,阿斯利康的口服 HIF-PH 抑制剂 roxadustat 去年 8 月也遭遇了类似的命运,当时 FDA 在机构审查人员表示与该药物相关的“严重血栓栓塞事件的重要风险”后拒绝批准 roxadustat。然而,roxadustat 后来以 Evrenzo 的名义在欧洲获得批准,并且在日本也获得了批准。

 

原始出处:

https://firstwordpharma.com/story/5536693

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    2022-04-03 医者仁者

    vadadustat是继#罗沙司他#之后,第二被FDA拒绝,主要原因还是安全性问题。与EPO相比,确实方便,效果也相当好,提升红细胞也快,但是血栓,促进肿瘤等潜在风险,仍然难以消除,除非有长期观察(3年以上的结果)

    1

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    2022-05-17 赛华佗
  5. [GetPortalCommentsPageByObjectIdResponse(id=2028047, encodeId=b9e2202804e35, content=<a href='/topic/show?id=37ae4e98ee' target=_blank style='color:#2F92EE;'>#CKD相关贫血#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4798, encryptionId=37ae4e98ee, topicName=CKD相关贫血)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=570f404, createdName=xlxchina, createdTime=Sat Jul 09 06:21:54 CST 2022, time=2022-07-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1752379, encodeId=fc431e52379e4, content=<a href='/topic/show?id=470018253b1' target=_blank style='color:#2F92EE;'>#vadadustat#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=18253, encryptionId=470018253b1, topicName=vadadustat)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f93736519237, createdName=zhucaizhong7778, createdTime=Wed Jun 22 06:21:54 CST 2022, time=2022-06-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1208374, encodeId=382512083e458, content=vadadustat是继<a href='/topic/show?id=d717e96216e' target=_blank style='color:#2F92EE;'>#罗沙司他#</a>之后,第二被FDA拒绝,主要原因还是安全性问题。与EPO相比,确实方便,效果也相当好,提升红细胞也快,但是血栓,促进肿瘤等潜在风险,仍然难以消除,除非有长期观察(3年以上的结果), beContent=null, objectType=article, channel=null, level=null, likeNumber=90, replyNumber=1, topicName=null, topicId=null, topicList=[TopicDto(id=79621, encryptionId=d717e96216e, topicName=罗沙司他)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220519/c2ab253484ee4527a2d4e9589a4821ac/45de9bf494a54becb2ea4369c9d11e85.jpg, createdBy=7a3710, createdName=医者仁者, createdTime=Sun Apr 03 16:13:53 CST 2022, time=2022-04-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1220348, encodeId=66e812203488e, content=<a href='/topic/show?id=9fdd92442ed' target=_blank style='color:#2F92EE;'>#贫血#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=82, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=92442, encryptionId=9fdd92442ed, topicName=贫血)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220519/c2ab253484ee4527a2d4e9589a4821ac/45de9bf494a54becb2ea4369c9d11e85.jpg, createdBy=7a3710, createdName=赛华佗, createdTime=Tue May 17 16:20:55 CST 2022, time=2022-05-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1264793, encodeId=21001264e933a, content=<a href='/topic/show?id=150f19229c' target=_blank style='color:#2F92EE;'>#ADA#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=1922, encryptionId=150f19229c, topicName=ADA)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=ad9f79, createdName=般若傻瓜, createdTime=Tue Apr 05 02:21:54 CST 2022, time=2022-04-05, status=1, ipAttribution=)]
    2022-04-05 般若傻瓜

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Akebia Therapeutics公司今日公布了vadadustat 2期临床研究的积极成果,治疗患有非透析依赖性慢性肾病(NDD-CKD)相关的贫血症患者。研究结果证实了先前关于vadadustat的研究。到2017年底,该公司预计将与三菱田边制药(MTPC)合作,公布vadadustat在需透析慢性肾病患者中使用的重要2期临床数据,并在日本的非透析患者中启动3期临床开发项目。

日本厚生劳动省批准Vadadustat治疗慢性肾病引起的贫血

生物制药公司Akebia Therapeutics今日宣布,日本厚生劳动省已批准缺氧诱导因子脯氨酰羟化酶抑制剂vadadustat用于治疗慢性肾脏疾病(CKD)引起的贫血。

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