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Clin Cancer Res:比美替尼联合瑞博西林治疗NRAS突变的黑色素瘤

2022-03-18 MedSci原创 MedSci原创

比美替尼和瑞博西林的联合方案可安全应用于NRAS突变的黑色素瘤患者,且具有积极的治疗活性。

携带NRAS突变的黑色素瘤常存在MAPK通路信号增强和细胞周期检查点失调,因此,MEK抑制剂比美替尼(Binimetinib)和选择性CDK4/6抑制剂瑞博西林 (Ribociclib) 的联合方案会是一种合理的联合方案。

这是一项开放标签的Ib/II期临床试验,旨在评估瑞博西林联合比美替尼治疗携带NRAS突变的黑色素瘤的初始活性和安全性。Ib期的主要终点是明确该联合方案的最大耐受剂量和推荐的II期剂量(RP2D),II期的主要终点是该联合方案(RP2D)的抗肿瘤活性。此外,研究人员还评估了受试患者肿瘤组织的基因组特征和药代动力学/药效学。

2013年6月27日至2016年11月10日期间,共招募了102位患者:剂量递增阶段 61位,剂量扩展阶段 41位。在Ib期的第一个疗程,有10位(16.4%)患者经历了剂量限制性毒性。最大耐受剂量未达到,推荐的II期剂量是:比美替尼 45mg(2/日)+瑞博西林 200mg(1/日)。

不同阶段患者的无进展生存率

在II期队列(n=41)中,总缓解率为19.5%。除了NRAS突变,同时还携带CDKN2A、CDK4或CCND1变异的患者的缓解率为32.5%。中位无进展生存期是3.7个月,中位总生存期是11.3个月

携带不同突变的患者的治疗反应

常见的治疗相关的毒性反应有肌酸磷酸激酶升高、皮疹、水肿、贫血、恶心、腹泻和疲劳。药代动力学和安全性分析结果与单药研究的一致,提示这两种药物不存在相互作用。

综上所述,比美替尼和瑞博西林的联合方案可安全应用于NRAS突变的黑色素瘤患者,且具有积极的治疗活性。细胞周期基因共突变或可用于筛查从该治疗方案获益更多的患者。

 

原始出处:

Martin Schuler, et al. Phase Ib/II Trial of Ribociclib in Combination with Binimetinib in Patients with NRAS-Mutant Melanoma. Clin Cancer Res clincanres.3872.2021.

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    2022-04-02 tcm99hq
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    2022-07-15 sunylz
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  6. [GetPortalCommentsPageByObjectIdResponse(id=2079848, encodeId=01f220e984883, content=<a href='/topic/show?id=8b5e1302933' target=_blank style='color:#2F92EE;'>#NRAS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=95, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13029, encryptionId=8b5e1302933, topicName=NRAS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=74c2229, createdName=tcm99hq, createdTime=Sat Apr 02 06:57:36 CST 2022, time=2022-04-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1947609, encodeId=70ae194e6099a, content=<a href='/topic/show?id=1d2513030c6' target=_blank style='color:#2F92EE;'>#NRAS突变#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=88, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13030, encryptionId=1d2513030c6, topicName=NRAS突变)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/PiajxSqBRaEKxsKDoOOFxGpMibw6lsQFUIicWt7kWGevkdgFhjiban1icD2JdIBmjVo7qX7aSlCSpiaia382nuLKiaI3Cg/132, createdBy=5c442500150, createdName=ms9474365431325850, createdTime=Wed Feb 22 17:57:36 CST 2023, time=2023-02-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1680794, encodeId=f6d51680e9482, content=<a href='/topic/show?id=9e5c86e0712' target=_blank style='color:#2F92EE;'>#色素#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=84, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=86707, encryptionId=9e5c86e0712, topicName=色素)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=343027846633, createdName=sunylz, createdTime=Fri Jul 15 00:57:36 CST 2022, time=2022-07-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1559123, encodeId=74bf155912328, content=<a href='/topic/show?id=e27610332666' target=_blank style='color:#2F92EE;'>#黑色素#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=85, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=103326, encryptionId=e27610332666, topicName=黑色素)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=150614999302, createdName=cqlidoudou, createdTime=Sat Mar 19 08:57:36 CST 2022, time=2022-03-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1565132, encodeId=1d0315651327e, content=<a href='/topic/show?id=e27610332666' target=_blank style='color:#2F92EE;'>#黑色素#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=86, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=103326, encryptionId=e27610332666, topicName=黑色素)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=150614999302, createdName=cqlidoudou, createdTime=Sat Mar 19 08:57:36 CST 2022, time=2022-03-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1585337, encodeId=5691158533ed2, content=<a href='/topic/show?id=792b15145a6' target=_blank style='color:#2F92EE;'>#RAS突变#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=95, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=15145, encryptionId=792b15145a6, topicName=RAS突变)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=6f2c17156536, createdName=bioon7, createdTime=Sat Mar 19 08:57:36 CST 2022, time=2022-03-19, status=1, ipAttribution=)]
    2022-03-19 bioon7

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