Oncologist:BRAF突变NSCLC靶向治疗研究现状

2017-05-20 坎日 肿瘤资讯

目前NSCLC中最有前景的靶点是MAPK成员之一的BRAF突变,在NSCLC中发生率2%-4%,最常见于V600E突变,其余为非V600E BRAF突变,非V600E BRAF突变是否为有活性突变尚不明朗(图1)。将BRAF单独或联合其他下游抑制剂(MEK)进行药物阻断,在BRAF V600E突变患者已表现出显着效果,为BRAF V600E突变NSCLC患者进行联合靶向阻断治疗提供充分的根据。

目前NSCLC中最有前景的靶点是MAPK成员之一的BRAF突变,在NSCLC中发生率2%-4%,最常见于V600E突变,其余为非V600E BRAF突变,非V600E BRAF突变是否为有活性突变尚不明朗(图1)。将BRAF单独或联合其他下游抑制剂(MEK)进行药物阻断,在BRAF V600E突变患者已表现出显着效果,为BRAF V600E突变NSCLC患者进行联合靶向阻断治疗提供充分的根据。

伴BRAF突变NSCLC患者临床特征

EGFR及ALK患者均有相应临床特征,而BRAF突变NSCLC患者临床特征尚未明确。但腺癌NSCLC与BRAF突变强烈相关。超过85%的BRAF突变为腺癌,但鳞癌及大细胞癌中也可见到BRAF突变。与性别及年龄的相关性不明了。

BRAF突变的预后意义

根据目前文献,BRAF突变的预后意义仍不清楚,相关报道出入较大。

队列研究显示,21例经手术BRAF V600E突变NSCLC患者,相对于BRAF野生型患者(310例),中位DFS(15.2月 v 52.1月;P<.001)及OS(29.3月 v 72.4月)显着缩短,而在非BRAF V600E突变者中,上述指标无明显差异。

研究显示,相对其他肿瘤驱动基因活化NSCLC或者野生型肿瘤患者,BRAF突变型NSCLC患者OS显着好得多。法国一个队列研究中,BRAF突变的I-IV期NSCLC患者中位OS为22.1个月,而BRAF野生型肿瘤患者中位OS 14.5个月(P<.065)。

有关BRAF突变阳性对NSCLC患者的预后意义的资料有限,结果不一,有的显示预后要好于其他突变,有的研究显示要差于其他突变。

个案报道显示,在BRAF V600E突变NSCLC患者中持续疾病控制是可能的。观察研究表明,BRAF突变NSCLC患者能够从设计合理的靶向治疗中获益,且这种需求未被充分给予满足。

BRAF、MEK在黑色素瘤临床应用进展

BRAF突变在黑色素瘤中非常常见(约50%),特异性BRAFi(dabrafenib、vemurafenib)治疗及MEK抑制剂(MEKi;trametinib or cobimetinib)治疗就是起始于该肿瘤。III期临试验中,BRAF V600E突变的未治疗黑色素瘤患者,与达卡巴秦相比,vemurafenib及dabrafenib各自都显着降低了疾病进展或死亡风险(HR,分别为0.26及0.30,P<.001)。显示了BRAFi在这类患者中的效力。

虽然BRAFi有效,但50%的患者在初始治疗后6-7个月进展。为了完全阻断MAPK通路,降低或者延缓耐药,进行了BRAFi及MEKi联合用药的III期试验。相应数据说明,联合用药较BRAFi单用有效率显着增加。基于这些试验,在BRAF V600E突变的转移性黑色素瘤(MM)患者,BRAFi与MEKi联合已经成为了标准治疗方案。这些来自于MM的临床经验说明BRAF是有效的治疗靶点。

转移性肺癌

一项非临床试验的分析中,经治晚期BRAF突变(83%V600E)NSCLC患者中,接受BRAFi治疗的(sorafenib [n=1], vemurafenib [n=29],or dabrafenib [n =9])的ORR:53%,DCR:85%,中位PFS:5.0个月,中位OS:10.8个月。最早的一项前瞻性临床试验中,20位接受bemurafenib治疗的有BRAF突变(90%V600E)NSCLC患者中,ORR:42%(全部为部分缓解),DCR:84%(8例SD)。中位PFS7.3个月,12个月OS达66%,95%的患者发生至少一种副反应,包括皮疹(65%),光敏感(25%)以及皮肤鳞癌(35%)。

一个评价dabrafenib疗效的II期试验(BRF113928; NCT01336634)正在进行。队列A(n=78),在经治BRAF V600E突变者用dabrafenib单药;队列B(n=57),在接受过至少一种顺铂方案化疗、BRAF v600E突变NSCLC患者中联合应用dabrafenib+trametinib;队列C,既往未治疗患者中评价dabrafenib+trametinib疗效;队列A中位年龄66岁,50%男性,76%为白人,79%ECOG评分≥1,96%为腺癌,63%为当前或者以前吸烟者。ORR:33%(全部为PR),DCR:58%。DOR:9.6个月,中位PFS:5.5个月,中位OS:12.7个月。安全性方面,99%患者出现至少一种副反应,发热最常见(36%),乏力及角化过度各为30%。严重副作用发热,发生率6%。12%的患者生了皮肤SCC。6%的患者因副反应而中断治疗,43%的患者剂量调整。一例死亡,调查后认为与dabrafenib有关。总的说,Dabrafenib但严重副反应低,基本在可控范围。在A组反应良好的患者中,近30%的患者出现进展,说明针对MAPK通路,可能有其他抑制剂,能够产生额外的收益。

BRF113928试验队列B组,51%为男性,86%为白人,70%ECOG评分≥1,98%为腺癌,72%为当前或者以前吸烟者。2例CR,34例PR,ORR:63%,DCR79%,9例长期SD(SD≥12周),中位DOR 9.0月,截至报道时,50%的截尾数据患者疗效持续中。双药患者的中位PFS 9.7个月,OS还不成熟,目前6个月生存率82%,相对来说,联合用药要比单用药物似乎更好(表2)。联合用药可耐受,发热发生率46%。皮肤癌4%,较单用dabrafenib更低。A组与B组副反应对比(表3)。B组严重副反应导致死亡4例,无与药物直接相关死亡。

队列C及其他评价BRAFi与MEKi治疗实体瘤的试验.

BRAF/MEK靶向治疗获得性耐药

虽然BRAF V600E突变NSCLC患者BRAFi单独或联合MEKi治疗反应率高,但最终还是会产生耐药。现在有关BRAFi获得性耐药的机制,出现了MAPK信号通路再活化的理论。对BRAF V600E突变NSCLC细胞系持续应用vemurafenib可导致获得性耐药,机制至少包括两个方面:1.BRAF V600E全基因丢失,表达截断突变蛋白;2.BRAF非依赖性c-Jun信号通路诱发的自分泌活化,强化了EGFR信号传导。BRAF与MEK抑制剂联合应用,或者第二代BRAFi,如PLX8394,已显示能够预防BRAF剪切表达所诱导的耐药。在接受下来数年内,耐药的决定性机制及靶向治疗策略将会是进一步研究的焦点领域,具有改善患者预后的巨大潜力。

实践思考

一.鉴别BRAF阳性患者

现在新诊断的肺腺癌患者常规进行分子检测,包括EGFR突变、ALK及ROS1转位,且有明确的FDA批准靶向治疗。然而,在如何进行检测上,目前没有一致意见,在时效及费用方面各有利弊。美国国立癌症研究中心的一项调查显示,大多数人主张多突变点的同时检测。对有药物可用的靶点来说,同时检测效率最高,且能发现易被遗漏的少见突变。目前存在的问题是检测的方法没有统一性,检测水平参差不齐,还有就是检测费用的支付问题。

由于在大多数靶向治疗中都会出现获得性耐药,液体活检可能改变基因检测的现状,液体活检也能用于评价耐药突变,避免重复活检。对BRAF突变等位基因片段的治疗监测,可以测量治疗的反应深度(即鉴别残余病变),以及为疾病进展提供早期预警。液体活检也不太可能取代肿瘤活检,但是目前分子检测的一个重要补充。

二.BRAF突变NSCLC靶向治疗的潜在选择

由于资料有限及缺乏头对头的比较,所以目前针对BRAF突变的治疗还没有一个绝对明确的结论。到本文成稿时FDA也没有已批准的适应症。结合在黑色素瘤的资料,dabrafenib联合 trametinib较各自单用效果要好,可以根据患者并发症情况及对该药的耐受性选择性应用,同时考虑到各自的副反应及联合使用的副作用(图2)。体外试验提示,有些BRAF突变黑色素瘤耐药细胞株依赖于BRAFi才能得以存活,依据于此,提出了间断给药理论,有一些间断给药延长疾病控制的个案报道。一个临床II期试验正在对dabrafenib联合trametinib的联系充分给药与间断给药进行对比研究。另一结直肠癌试验中,BRAFi +MEKi+EGFR TKI同时应用,以克服旁路激活导致的继发性耐药(NCT01750918)。这些经验都值得在NSCLC BRAF突变患者中予以借鉴。

三.非V600E突变患者的治疗选择

现在关于NSCLC BRAF突变研究的努力基本都集中在V600E突变上,非V600E突变研究很少。Gautschi 等的研究中,非V600E突变肿瘤患者,(G466V, G469A, G469L, G596V, V600K,

K601E),只有一个G596V突变经vemurafenib治疗达PR。Dabrafenib+trametinib在活化及非活化BRAF非V600突变细胞株中表现出抗增生及促凋亡活性。 临床上对BRAF非V600突变的经验也主要来自于MM,有研究显示,联合靶向治疗对BRAF V600E或V600K 突变两种基因型的疗效相当。由于非V600E突变的NSCLC数量巨大,针对该类型患者的BRAFi单独或联合其他药物治疗的研究势在必行,例如,泛RAF抑制剂+ERK抑制剂、热休克蛋白90抑制剂、MEKi、多酶抑制剂(regorafenib)等研究正在进行中。

结 论

直接作用于致癌驱动基因的靶向药物改变了伴有EGFR突变及ALK重排NSCLC患者的疾病进程。Vemurafenib及dabrafenib已经在经治BRAF V600突变NSCLC患者显示出了临床作用,有效率33-42%,中位PFS5.5-7.2个月,有些研究显示联合治疗效果更好。目前,难点在于鉴别BRAF阳性患者,也因此限制了大规模的临床研究的进行,以判断此类患者的预后意义及临床特征,以及限制了大规模随机化试验的进行。BRAF突变的自然特征及临床特征均不明显,因此,鉴别此类患者必会促进临床多重筛查技术的推广应用。虽然需要更进一步研究促进BRAFi及MEKi对BRAF突变NSCLC患者预后的理解,目前为止的资料已经表明,在此类患者中,靶向治疗有明确的临床活性,而且,远未达到患者的实际需求。

原始出处:

Christina S. Baik, Nathaniel J. Myall, Heather A. Wakelee. Targeting BRAF‐Mutant Non‐Small Cell Lung Cancer: From Molecular Profiling to Rationally Designed Therapy. The Oncologist May 2017 doi: 10.1634/theoncologist.2016-0458

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#插入话题
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  2. [GetPortalCommentsPageByObjectIdResponse(id=2058741, encodeId=8cff2058e413d, content=<a href='/topic/show?id=fcd7e341590' target=_blank style='color:#2F92EE;'>#研究现状#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=73415, encryptionId=fcd7e341590, topicName=研究现状)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c6fc262, createdName=zhangmingxiang, createdTime=Fri Dec 01 06:12:00 CST 2017, time=2017-12-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1864930, encodeId=e78d186493024, content=<a href='/topic/show?id=16ce133504e' target=_blank style='color:#2F92EE;'>#Oncol#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=46, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13350, encryptionId=16ce133504e, topicName=Oncol)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b63894, createdName=minlingfeng, createdTime=Wed Jul 26 18:12:00 CST 2017, time=2017-07-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1354962, encodeId=af66135496295, content=<a href='/topic/show?id=6de63659ed' target=_blank style='color:#2F92EE;'>#BRAF#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3659, encryptionId=6de63659ed, topicName=BRAF)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=zhaojie88, createdTime=Mon May 22 11:12:00 CST 2017, time=2017-05-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1455130, encodeId=97c71455130c6, content=<a href='/topic/show?id=bebe8032fc' target=_blank style='color:#2F92EE;'>#GIST#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=48, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=8032, encryptionId=bebe8032fc, topicName=GIST)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=6e445632366, createdName=july_977, createdTime=Mon May 22 11:12:00 CST 2017, time=2017-05-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1480707, encodeId=fa5e1480e077d, content=<a href='/topic/show?id=e76836e150' target=_blank style='color:#2F92EE;'>#BRAF突变#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3671, encryptionId=e76836e150, topicName=BRAF突变)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=eff97667327, createdName=ms4964546379600229, createdTime=Mon May 22 11:12:00 CST 2017, time=2017-05-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=201107, encodeId=0f3320110e80, 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=79, 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 May 22 07:38:21 CST 2017, time=2017-05-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=200987, encodeId=d0f020098e48, content=涨知识了,谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=82, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=550d2008262, createdName=luominglian113, createdTime=Mon May 22 00:02:59 CST 2017, time=2017-05-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=200714, encodeId=fa14200e149e, content=总结的很好 学习到了!, beContent=null, objectType=article, channel=null, level=null, likeNumber=92, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20170803/IMG5982F7A3DBB3C1061.jpg, createdBy=0ba51605600, createdName=Jianghuiqin, createdTime=Sun May 21 07:47:58 CST 2017, time=2017-05-21, status=1, ipAttribution=)]
    2017-07-26 minlingfeng
  3. [GetPortalCommentsPageByObjectIdResponse(id=2058741, encodeId=8cff2058e413d, content=<a href='/topic/show?id=fcd7e341590' target=_blank style='color:#2F92EE;'>#研究现状#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=73415, encryptionId=fcd7e341590, topicName=研究现状)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c6fc262, createdName=zhangmingxiang, createdTime=Fri Dec 01 06:12:00 CST 2017, time=2017-12-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1864930, encodeId=e78d186493024, content=<a href='/topic/show?id=16ce133504e' target=_blank style='color:#2F92EE;'>#Oncol#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=46, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13350, encryptionId=16ce133504e, topicName=Oncol)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b63894, createdName=minlingfeng, createdTime=Wed Jul 26 18:12:00 CST 2017, time=2017-07-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1354962, encodeId=af66135496295, content=<a href='/topic/show?id=6de63659ed' target=_blank style='color:#2F92EE;'>#BRAF#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3659, encryptionId=6de63659ed, topicName=BRAF)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=zhaojie88, createdTime=Mon May 22 11:12:00 CST 2017, time=2017-05-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1455130, encodeId=97c71455130c6, content=<a href='/topic/show?id=bebe8032fc' target=_blank style='color:#2F92EE;'>#GIST#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=48, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=8032, encryptionId=bebe8032fc, topicName=GIST)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=6e445632366, createdName=july_977, createdTime=Mon May 22 11:12:00 CST 2017, time=2017-05-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1480707, encodeId=fa5e1480e077d, content=<a href='/topic/show?id=e76836e150' target=_blank style='color:#2F92EE;'>#BRAF突变#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3671, encryptionId=e76836e150, topicName=BRAF突变)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=eff97667327, createdName=ms4964546379600229, createdTime=Mon May 22 11:12:00 CST 2017, time=2017-05-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=201107, encodeId=0f3320110e80, 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=79, 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 May 22 07:38:21 CST 2017, time=2017-05-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=200987, encodeId=d0f020098e48, content=涨知识了,谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=82, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=550d2008262, createdName=luominglian113, createdTime=Mon May 22 00:02:59 CST 2017, time=2017-05-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=200714, encodeId=fa14200e149e, content=总结的很好 学习到了!, beContent=null, objectType=article, channel=null, level=null, likeNumber=92, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20170803/IMG5982F7A3DBB3C1061.jpg, createdBy=0ba51605600, createdName=Jianghuiqin, createdTime=Sun May 21 07:47:58 CST 2017, time=2017-05-21, status=1, ipAttribution=)]
    2017-05-22 zhaojie88
  4. [GetPortalCommentsPageByObjectIdResponse(id=2058741, encodeId=8cff2058e413d, content=<a href='/topic/show?id=fcd7e341590' target=_blank style='color:#2F92EE;'>#研究现状#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=73415, encryptionId=fcd7e341590, topicName=研究现状)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c6fc262, createdName=zhangmingxiang, createdTime=Fri Dec 01 06:12:00 CST 2017, time=2017-12-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1864930, encodeId=e78d186493024, content=<a href='/topic/show?id=16ce133504e' target=_blank style='color:#2F92EE;'>#Oncol#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=46, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13350, encryptionId=16ce133504e, topicName=Oncol)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b63894, createdName=minlingfeng, createdTime=Wed Jul 26 18:12:00 CST 2017, time=2017-07-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1354962, encodeId=af66135496295, content=<a href='/topic/show?id=6de63659ed' target=_blank style='color:#2F92EE;'>#BRAF#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3659, encryptionId=6de63659ed, topicName=BRAF)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=zhaojie88, createdTime=Mon May 22 11:12:00 CST 2017, time=2017-05-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1455130, encodeId=97c71455130c6, content=<a href='/topic/show?id=bebe8032fc' target=_blank style='color:#2F92EE;'>#GIST#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=48, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=8032, encryptionId=bebe8032fc, topicName=GIST)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=6e445632366, createdName=july_977, createdTime=Mon May 22 11:12:00 CST 2017, time=2017-05-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1480707, encodeId=fa5e1480e077d, content=<a href='/topic/show?id=e76836e150' target=_blank style='color:#2F92EE;'>#BRAF突变#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3671, encryptionId=e76836e150, topicName=BRAF突变)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=eff97667327, createdName=ms4964546379600229, createdTime=Mon May 22 11:12:00 CST 2017, time=2017-05-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=201107, encodeId=0f3320110e80, 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=79, 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 May 22 07:38:21 CST 2017, time=2017-05-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=200987, encodeId=d0f020098e48, content=涨知识了,谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=82, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=550d2008262, createdName=luominglian113, createdTime=Mon May 22 00:02:59 CST 2017, time=2017-05-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=200714, encodeId=fa14200e149e, content=总结的很好 学习到了!, beContent=null, objectType=article, channel=null, level=null, likeNumber=92, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20170803/IMG5982F7A3DBB3C1061.jpg, createdBy=0ba51605600, createdName=Jianghuiqin, createdTime=Sun May 21 07:47:58 CST 2017, time=2017-05-21, status=1, ipAttribution=)]
    2017-05-22 july_977
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    2017-05-22 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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    2017-05-22 luominglian113

    涨知识了,谢谢分享

    0

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    2017-05-21 Jianghuiqin

    总结的很好 学习到了!

    0

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