Clin Cancer Res:奥希替尼联合雷莫芦单抗治疗EGFR突变型NSCLC具有显著疗效

2021-01-24 MedSci原创 MedSci原创

肺癌是癌症相关死亡的首要原因,其中非小细胞肺癌(NSCLC)占所有肺癌病例的85%。在约20%的晚期NSCLC中可检测到EGFR突变,如19号外显子缺失或21号外显子L858R突变。本文报道了JVDL

肺癌是癌症相关死亡的首要原因,其中非小细胞肺癌(NSCLC)占所有肺癌病例的85%。在约20%的晚期NSCLC中可检测到EGFR突变,如19号外显子缺失或21号外显子L858R突变。本文报道了JVDL试验(NCT02789345)的最终分析,该试验检测了EGFR酪氨酸激酶抑制剂(TKI)奥希替尼联合VEGFR2靶向抗体雷莫芦单抗用于T790M阳性EGFR突变的NSCLC患者中的疗效和安全性。

该研究是一项开放的单臂I期试验,招募了在EGFR TKI治疗后进展的携带EGFR T790M阳性的NSCLC患者(未接受过三代EGFR TKI治疗)。在剂量限制性毒性(DLT)期间,根据需要降低剂量,随后扩大研究队列。患者每天口服奥希替尼,每2周静脉注射一次雷莫芦单抗,直到病情进展或停药。

不良反应事件

共招募了25位患者,中位随访时间为25.0个月,未观察到剂量限制性毒性(DLT)。常见的3级或更高级别的治疗相关不良事件(TRAE)有高血压(8%)和血小板减少(16%);一位患者发生了5级TRAE(硬膜下出血)。有中枢神经系统(CNS)转移的患者(n=10)和无CNS转移的患者(n=15)也有相似的安全结果。

总人群和有无CNS转移的患者的PFS

5位患者仍在接受治疗。客观有效率(ORR)为76%。中位缓解持续时间为13.4个月[90%CI 9.6-21.2]。中位无进展生存期(PFS)为11.0个月(90%CI 5.5-19.3)在有和无CNS转移的患者中也观察到了疗效(ORR分别为60%和87%;中位PFS分别为10.9个月和14.7个月)

治疗过程中EGFR突变丢失与否患者的预后

对循环肿瘤DNA探索性生物标记物分析表明,基线可检测到的EGFR19号外显子缺失或L858R突变在治疗过程中丢失与较长的PFS相关,但T790M在治疗中丢失无此相关性。进展后的突发基因变异包括C797S、MET扩增和EGFR扩增。

总之,奥希替尼联合雷莫芦单抗用于T790M阳性突变的NSCLC展现出令人鼓舞的安全性和抗肿瘤活性

原始出处:

Yu Helena A,Paz-Ares Luis G,Yang James Chih-Hsin et al. EGFRPhase I Study of the Efficacy and Safety of Ramucirumab in Combination with Osimertinib in Advanced T790M-positive -mutant Non-small Cell Lung Cancer. Clin Cancer Res, 2020, 10.1158/1078-0432.CCR-20-1690.

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  2. [GetPortalCommentsPageByObjectIdResponse(id=2041422, encodeId=a4ae2041422de, content=<a href='/topic/show?id=baade55002a' target=_blank style='color:#2F92EE;'>#突变型#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=75500, encryptionId=baade55002a, topicName=突变型)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=21015, createdName=heli0118, createdTime=Fri Mar 05 17:51:01 CST 2021, time=2021-03-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1534530, encodeId=1e331534530f7, content=<a href='/topic/show?id=22b3e9887e' target=_blank style='color:#2F92EE;'>#GFR#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=7988, encryptionId=22b3e9887e, topicName=GFR)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0a812532020, createdName=liuyiping, createdTime=Tue Jan 26 14:51:01 CST 2021, time=2021-01-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1032775, encodeId=f1e91032e75f3, 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=51, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=内科新手, createdTime=Mon Jan 25 02:51:01 CST 2021, time=2021-01-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1039797, encodeId=a56b1039e97ea, content=NSCLC下一步突破在于新靶点了,靶向治疗和免疫治疗基本见顶了,再有新的就需要新机制了, beContent=null, objectType=article, channel=null, level=null, likeNumber=53, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=肿肿, createdTime=Mon Jan 25 02:51:01 CST 2021, time=2021-01-25, status=1, ipAttribution=)]
    2021-01-26 liuyiping
  3. [GetPortalCommentsPageByObjectIdResponse(id=2041422, encodeId=a4ae2041422de, content=<a href='/topic/show?id=baade55002a' target=_blank style='color:#2F92EE;'>#突变型#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=75500, encryptionId=baade55002a, topicName=突变型)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=21015, createdName=heli0118, createdTime=Fri Mar 05 17:51:01 CST 2021, time=2021-03-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1534530, encodeId=1e331534530f7, content=<a href='/topic/show?id=22b3e9887e' target=_blank style='color:#2F92EE;'>#GFR#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=7988, encryptionId=22b3e9887e, topicName=GFR)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0a812532020, createdName=liuyiping, createdTime=Tue Jan 26 14:51:01 CST 2021, time=2021-01-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1032775, encodeId=f1e91032e75f3, 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=51, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=内科新手, createdTime=Mon Jan 25 02:51:01 CST 2021, time=2021-01-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1039797, encodeId=a56b1039e97ea, content=NSCLC下一步突破在于新靶点了,靶向治疗和免疫治疗基本见顶了,再有新的就需要新机制了, beContent=null, objectType=article, channel=null, level=null, likeNumber=53, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=肿肿, createdTime=Mon Jan 25 02:51:01 CST 2021, time=2021-01-25, status=1, ipAttribution=)]
    2021-01-25 内科新手

    谢谢梅斯提供这么好的信息,学到很多

    0

  4. [GetPortalCommentsPageByObjectIdResponse(id=2041422, encodeId=a4ae2041422de, content=<a href='/topic/show?id=baade55002a' target=_blank style='color:#2F92EE;'>#突变型#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=75500, encryptionId=baade55002a, topicName=突变型)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=21015, createdName=heli0118, createdTime=Fri Mar 05 17:51:01 CST 2021, time=2021-03-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1534530, encodeId=1e331534530f7, content=<a href='/topic/show?id=22b3e9887e' target=_blank style='color:#2F92EE;'>#GFR#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=7988, encryptionId=22b3e9887e, topicName=GFR)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0a812532020, createdName=liuyiping, createdTime=Tue Jan 26 14:51:01 CST 2021, time=2021-01-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1032775, encodeId=f1e91032e75f3, 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=51, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=内科新手, createdTime=Mon Jan 25 02:51:01 CST 2021, time=2021-01-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1039797, encodeId=a56b1039e97ea, content=NSCLC下一步突破在于新靶点了,靶向治疗和免疫治疗基本见顶了,再有新的就需要新机制了, beContent=null, objectType=article, channel=null, level=null, likeNumber=53, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=肿肿, createdTime=Mon Jan 25 02:51:01 CST 2021, time=2021-01-25, status=1, ipAttribution=)]
    2021-01-25 肿肿

    NSCLC下一步突破在于新靶点了,靶向治疗和免疫治疗基本见顶了,再有新的就需要新机制了

    0

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