CLIN CANCER RES:Ricolinostat联合硼替佐米以及地塞米松治疗复发或难治性多发性骨髓瘤

2017-07-08 MedSci MedSci原创

抑制组蛋白脱乙酰基酶(HDAC)可以增强蛋白酶体抑制作用治疗多发性骨髓瘤的疗效,但是也会增加毒性。临床前研究发现HDAC6通过蛋白质降解过程中的聚集体/自噬途径调节蛋白体酶抑制抵抗。CLIN CANCER RES近期发表了一篇文章,报道HDAC6选择性抑制剂Ricolinostat的临床试验结果。

抑制组蛋白脱乙酰基酶(HDAC)可以增强蛋白酶体抑制作用治疗多发性骨髓瘤的疗效,但是也会增加毒性。临床前研究发现HDAC6通过蛋白质降解过程中的聚集体/自噬途径调节蛋白体酶抑制抵抗。CLIN CANCER RES近期发表了一篇文章,报道HDAC6选择性抑制剂Ricolinostat的临床试验结果。

研究主要观察Ricolinostat的安全性、初步疗效以及联合标准蛋白酶体抑制治疗的Ⅱ期试验推荐剂量。复发或难治性多发性骨髓瘤的患者在21天周期的1-5天以及8-12天接受口服Ricolinostat治疗。研究发现Ricolinostat单药治疗既不会导致显着的毒性也无临床反应。与硼替佐米及地塞米松联合治疗在剂量递增时耐受性良好,但是在Ricolinostat 160mg每天两次时导致剂量限制性腹泻。160mgRicolinostat每天联合治疗耐受性良好,与非选择性HDAC抑制剂相比严重血液、胃肠道以及身体毒性更少。Ricolinostat≥160mg每天的联合治疗总反应率为37%。硼替佐米抵抗的患者联合治疗反应率为14%。治疗期间收集的标本分析表明外周血淋巴细胞中的乙酰化微管蛋白呈现出剂量依赖性增长。

文章最后认为,Ricolinostat的Ⅱ期临床试验推荐剂量为160mg每天,与硼替佐米及地塞米松联合治疗安全、耐受性良好,并且具有活性,表明HDAC6选择性抑制是治疗多发性骨髓瘤的可行途径。

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    2018-02-28 jml2009
  2. [GetPortalCommentsPageByObjectIdResponse(id=1889762, encodeId=110a1889e628f, content=<a href='/topic/show?id=760c430895a' target=_blank style='color:#2F92EE;'>#多发性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=43089, encryptionId=760c430895a, topicName=多发性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=04d6114, createdName=jml2009, createdTime=Wed Feb 28 23:05:00 CST 2018, time=2018-02-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=220944, encodeId=de3b220944ee, content=学习一下吧!学习一下了, beContent=null, objectType=article, channel=null, level=null, likeNumber=58, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20160916/IMG57DBEDBBA66BD2947.jpg, createdBy=3b181951777, createdName=ren1mw, createdTime=Tue Jul 11 08:10:32 CST 2017, time=2017-07-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1528363, encodeId=c9981528363ce, content=<a href='/topic/show?id=74b798601a1' target=_blank style='color:#2F92EE;'>#难治性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=98601, encryptionId=74b798601a1, topicName=难治性)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=a1ef11916292, createdName=freve, createdTime=Mon Jul 10 13:05:00 CST 2017, time=2017-07-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=220473, encodeId=a85a2204e3ac, content=学习了谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=56, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c0a61971598, createdName=往日如昨, createdTime=Mon Jul 10 00:40:45 CST 2017, time=2017-07-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=220191, encodeId=6254220191bf, content=好文,值得点赞!认真学习了,把经验应用于实践,为患者解除病痛。, beContent=null, objectType=article, channel=null, level=null, likeNumber=60, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo7s7ZCKOmmbBTD6nE7gcd5OZpvyGEzkxBP3S275k5ZJVrsPkotZhBglRHM9rKvcj1OgkssqhcnoPw8zIaMZTF8c/0, createdBy=4c441942088, createdName=ylzr123, createdTime=Sun Jul 09 07:21:17 CST 2017, time=2017-07-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=220145, encodeId=3588220145b0, content=学习了谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=65, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cdnapi.center.medsci.cn/medsci/head/2017/04/21/72142930668371951a41ef4ea4b233e6.jpg, createdBy=dcbc1715228, createdName=刘煜, createdTime=Sun Jul 09 05:04:12 CST 2017, time=2017-07-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=220084, encodeId=5a9d22008445, content=学习了,谢谢作者分享!, beContent=null, objectType=article, channel=null, level=null, likeNumber=54, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mONcle9pic3xJXLtMtt5B40XXuPjn9xn1rBhrM6fHLkX1hI86ZoWoPJkgDkZuJNKkBfBHOcRd1fAdezg7JlHNOokohdAp3WkI/0, createdBy=32c81964262, createdName=1e145228m78(暂无匿称), createdTime=Sat Jul 08 22:29:05 CST 2017, time=2017-07-08, status=1, ipAttribution=)]
    2017-07-11 ren1mw

    学习一下吧!学习一下了

    0

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    2017-07-10 freve
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    2017-07-10 往日如昨

    学习了谢谢分享

    0

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    2017-07-09 ylzr123

    好文,值得点赞!认真学习了,把经验应用于实践,为患者解除病痛。

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    2017-07-09 刘煜

    学习了谢谢分享

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    2017-07-08 1e145228m78(暂无匿称)

    学习了,谢谢作者分享!

    0

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