韩宝惠教授:三代EGFR TKI奥希替尼防控肺癌脑转移效果显著

2018-12-17 佚名 肿瘤资讯

奥希替尼在万众期盼中登陆中国市场,其卓越的疗效为众多晚期肺癌患者带来了新的希望,而且近日已被纳入中国国家医保目录。

奥希替尼在万众期盼中登陆中国市场,其卓越的疗效为众多晚期肺癌患者带来了新的希望,而且近日已被纳入中国国家医保目录。

肺癌脑转移的治疗现状

晚期肺癌是包括肺外转移的一组预后较差的疾病,不同部位的转移对患者生存的影响有所不同。其中,脑转移对患者生存预后的影响最大,即使原发病灶控制良好,患者一旦发生脑转移,也将严重影响生存预后。因此,临床工作中,一旦发现脑转移,临床医生必须予以高度重视。

脑转移的发生情况较为复杂,分为单发病灶、多发病灶、功能区病灶、非功能区病灶以及脑膜转移等,临床医生需根据脑转移的特点进行区别治疗。对于单发病灶的脑转移而言,若有手术或其他局部治疗的机会,应首选局部治疗;对于多发或弥漫性脑转移而言,则以内科治疗为主。目前有很多药物能够有效控制脑转移,尤其是对EGFR-TKI敏感突变人群。

包括AURA3研究和FLAURA研究在内的国际大型研究探讨了采用EGFR-TKI作为肺癌脑转移患者二线或一线治疗的疗效及安全性。结果显示,与传统靶向或化疗相比,三代EGFR-TKI对脑转移患者疗效更加显着。需要明确的是,多数情况下多学科叠加治疗的优势可能更显着,比如采用TKI治疗的同时也对重点脑转移病灶进行局部放疗,结果可能得到1+1>2的疗效,FLAURA研究可观察到相关数据,期待相关数据的发表为我们揭晓答案。

奥希替尼(第三代TKI抑制剂)用于一线治疗时,治疗期间的新发脑转移比例较对照组显着下降,这就提示奥希替尼能够显着降低患者在治疗过程肺癌脑转移的发生风险。另外,在FLAURA和AURA3研究中,已经发生脑转移的患者在服用奥希替尼后,疾病得到了有效控制,生存优势也显着高于对照组。因此,奥希替尼可很好地控制已发生的脑转移,进而改善患者的生活质量。

EGFR突变肺癌脑转移应首选奥希替尼治疗

传统而言,脑转移出现前应了解突变状态。如果驱动基因为阴性,临床上常选用化疗方案,但化疗对弥漫性脑转移的效果欠佳;还可采用全脑放疗,但该方法仅对部分脑转移有效,总体的疗效仍不理想,而且会伴随着某些并发症如认知功能障碍等。因此,目前仍在探索对驱动基因阴性的脑转移有效的治疗方法,如免疫治疗等。相反地,如果驱动基因阳性(如ALK、EGFR、ROS1等)肺癌出现脑转移,目前的治疗方案首选TKI,尤其是第三代TKI,能更好地通过血脑屏障,疗效更佳。因此,诸如奥希替尼这类能透过血脑屏障的靶向药物,应当作为控制EGFR突变阳性肺癌脑转移的首选药物。奥希替尼虽然在中国上市的时间较短,但目前已被临床医生广泛接受并使用,治疗作用也非常突出。

在临床工作中,我曾遇到一例EGFR19外显子突变的患者。该患者对一代TKI吉非替尼耐药后出现脑转移,水肿和颅高压症状十分严重。当时奥希替尼在国内还未上市,患者服用了香港购入的奥希替尼后,脑转移迅速得到控制、症状消失。目前,该患者治疗已超过一年。

对于一代TKI耐药出现脑转移后,患者还能获得如此长的疾病控制时间和良好的生活质量,这一结果令人非常震撼,超越了以往所有TKI的治疗效果。因此,我个人对奥希替尼治疗驱动基因阳性的肺癌脑转移充满信心。

奥希替尼进医保,惠及广大EGFR突变肺癌患者

目前国内批准奥希替尼作为二线治疗,预计明年可能进入一线治疗。大部分临床医生或患者在确诊EGFR驱动基因阳性晚期肺癌时会选择奥希替尼作为一线治疗,当出现脑转移时,奥希替尼更是首选。研究显示,奥希替尼的无进展生存(PFS)和安全性数据均超越第一代TKI。奥希替尼已进入国家医保。有望在奥希替尼按照预期在明年获批一线适应证,那么在EGFR驱动基因阳性晚期非小细胞肺癌中,无论是否伴有脑转移,奥希替尼都将会在临床得到更为广泛的应用。

奥希替尼防控EGFR突变肺癌脑转移:早使用,早受益

对于晚期非小细胞肺癌驱动基因阳性的患者,若早期使用三代TKI奥希替尼,其脑转移发生风险将会下降;同时,奥希替尼的安全性数据优于第一代,这就意味着患者的生活质量会改善。因此,疗效和安全性两方面的优势均支持尽早使用奥希替尼。总之,第三代TKI奥希替尼在预防和控制肺癌脑转移中发挥了极其重要的作用。

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    2018-12-19 lsj628
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    2018-12-19 liuyiping
  5. [GetPortalCommentsPageByObjectIdResponse(id=1745124, encodeId=46501e45124db, content=<a href='/topic/show?id=4c99100030ab' target=_blank style='color:#2F92EE;'>#韩宝惠#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=32, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=100030, encryptionId=4c99100030ab, topicName=韩宝惠)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=医者仁心, createdTime=Fri Jun 14 11:27:00 CST 2019, time=2019-06-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2040482, encodeId=4c5f20404825c, content=<a href='/topic/show?id=cd5865e036' target=_blank style='color:#2F92EE;'>#EGFR TKI#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=32, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6570, encryptionId=cd5865e036, topicName=EGFR TKI)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c66088, createdName=gao_jian4217, createdTime=Thu May 16 08:27:00 CST 2019, time=2019-05-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1384194, encodeId=8dbf138419455, content=<a href='/topic/show?id=14bb1e503a0' target=_blank style='color:#2F92EE;'>#TKI#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=32, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=17503, encryptionId=14bb1e503a0, topicName=TKI)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b73f484, createdName=lsj628, createdTime=Wed Dec 19 02:27:00 CST 2018, time=2018-12-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1534402, encodeId=62e51534402e6, content=<a href='/topic/show?id=22b3e9887e' target=_blank style='color:#2F92EE;'>#GFR#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=32, 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=Wed Dec 19 02:27:00 CST 2018, time=2018-12-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1046697, encodeId=bde2104669e31, content=疗效只是效果的众多方面之一,还要看对患者的获益,包括生活质量等因素共同决定效果的, beContent=null, objectType=article, channel=null, level=null, likeNumber=55, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=CHANGE, createdTime=Mon Dec 17 14:27:00 CST 2018, time=2018-12-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=355651, encodeId=97d435565111, 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=51, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo7s7ZCKOmmbBTD6nE7gcd5OZpvyGEzkxBP3S275k5ZJVrsPkotZhBglRHM9rKvcj1OgkssqhcnoPw8zIaMZTF8c/0, createdBy=4c441942088, createdName=ylzr123, createdTime=Mon Dec 17 11:36:55 CST 2018, time=2018-12-17, status=1, ipAttribution=)]
    2018-12-17 CHANGE

    疗效只是效果的众多方面之一,还要看对患者的获益,包括生活质量等因素共同决定效果的

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=1745124, encodeId=46501e45124db, content=<a href='/topic/show?id=4c99100030ab' target=_blank style='color:#2F92EE;'>#韩宝惠#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=32, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=100030, encryptionId=4c99100030ab, topicName=韩宝惠)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=医者仁心, createdTime=Fri Jun 14 11:27:00 CST 2019, time=2019-06-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2040482, encodeId=4c5f20404825c, content=<a href='/topic/show?id=cd5865e036' target=_blank style='color:#2F92EE;'>#EGFR TKI#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=32, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6570, encryptionId=cd5865e036, topicName=EGFR TKI)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c66088, createdName=gao_jian4217, createdTime=Thu May 16 08:27:00 CST 2019, time=2019-05-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1384194, encodeId=8dbf138419455, content=<a href='/topic/show?id=14bb1e503a0' target=_blank style='color:#2F92EE;'>#TKI#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=32, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=17503, encryptionId=14bb1e503a0, topicName=TKI)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b73f484, createdName=lsj628, createdTime=Wed Dec 19 02:27:00 CST 2018, time=2018-12-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1534402, encodeId=62e51534402e6, content=<a href='/topic/show?id=22b3e9887e' target=_blank style='color:#2F92EE;'>#GFR#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=32, 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=Wed Dec 19 02:27:00 CST 2018, time=2018-12-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1046697, encodeId=bde2104669e31, content=疗效只是效果的众多方面之一,还要看对患者的获益,包括生活质量等因素共同决定效果的, beContent=null, objectType=article, channel=null, level=null, likeNumber=55, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=CHANGE, createdTime=Mon Dec 17 14:27:00 CST 2018, time=2018-12-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=355651, encodeId=97d435565111, 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=51, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo7s7ZCKOmmbBTD6nE7gcd5OZpvyGEzkxBP3S275k5ZJVrsPkotZhBglRHM9rKvcj1OgkssqhcnoPw8zIaMZTF8c/0, createdBy=4c441942088, createdName=ylzr123, createdTime=Mon Dec 17 11:36:55 CST 2018, time=2018-12-17, status=1, ipAttribution=)]
    2018-12-17 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。

    0

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