NEJM:扎心了!治疗骨髓纤维化的JAK2抑制剂竟会导致淋巴瘤!

2018-06-20 Paris,Zoe 转化医学网

作为一种恶性血液肿瘤,骨髓纤维化的整体中位生存时间为5.7年,高危患者生存期仅为2.3年。针对骨髓纤维化没有十分有效的控制办法,只能用传统的药物来控制疾病进程或减轻症状。

导  读

作为一种恶性血液肿瘤,骨髓纤维化的整体中位生存时间为5.7年,高危患者生存期仅为2.3年。针对骨髓纤维化没有十分有效的控制办法,只能用传统的药物来控制疾病进程或减轻症状。

绝大多数骨髓纤维化是骨髓造血细胞的一种罕见的慢性疾病,它们受益于JAK2抑制剂类药物:症状缓解,生存期延长,生活质量得到提高。然而,不幸的是,一篇发表在《New England Journal of Medicine》杂志的文献指出:在开始治疗两三年后,一些患者会出现侵袭性B细胞淋巴瘤。这简直是“雪上加霜”。

在维也纳MedUni和Vetmeduni维也纳研究人员的密切合作下,他们发现,JAK2抑制剂首次显示出骨髓中的“休眠”型淋巴瘤和癌症。

“在疾病开始时采用骨髓活检,我们能够证明淋巴瘤的原基以B细胞克隆的形式存在,“MedUni血液学/血液病学部的Heinz Gisslinger和UlrichJ?ger解释道,他们发现16%的骨髓纤维化患者具有休眠型侵袭性淋巴瘤,而其中约6%的患者在接受JAK2抑制剂时会刺激其发作。

JAK2抑制剂

根据血液学家的说法,如果使用敏感的分子生物学技术来积极寻找潜伏的淋巴瘤,就有可能检测出休眠的淋巴瘤。 “因此,这是最好的预测工具,它使我们能够筛选出相关的16%,将其分类并在用JAK2抑制剂治疗之前将其鉴定为高风险患者。”

以此为线索,Vetmeduni维也纳研究人员证实了MedUni维也纳医学化学实验室诊断临床病理学部门合作的血液学家的发现。他们的假设在小鼠模型中得到了证明--曾接受过骨髓移植的小鼠同样发展为淋巴瘤。

耶格说:“维也纳大学的研究成果与我们的研究结果一模一样,这可以拼凑出一块拼图。”此外,来自国际的合作伙伴圣路易斯医院,也支持维也纳研究的结论,该文献在新英格兰杂志上发表。

不过研究人员已经开始收集国际病例和相关数据,以进一步提高药物安全性,他们正在与生产这些标准药物的制药公司密切合作。 “我们的发现代表了一种范式转变,并改善了这类药物的安全性,”Sexl和J?ger强调说。

无独有偶,靶向PD-1/PD-L1的抗肿瘤药物在不同类型肿瘤治疗中取得了良好疗效,一时间这种疗法风光无限,很少能听到质疑之声。然而,5月17日,NEJM刊登了美国华盛顿大学医学院(Washington University School of Medicine)Ratner等的来信,信中描述了他们采用纳武单抗(一种抗PD-1单克隆抗体)治疗成人T细胞白血病-淋巴瘤(ATLL)患者,但患者似乎并未获益,病情反而快速进展,3位患者均出现白细胞增多、高钙血症、肾功能不全和乳酸脱氢酶升高。研究者不得不紧急处理,进行了抢救性化疗、脾脏放疗及其他对症处理。

在新药研发方面,大家往往更看重疗效,而忽略了一些潜在的风险,这些例子都足以引起我们的警惕。

原始出处:Seymour JF, Kipps TJ, Eichhorst B, et al. Venetoclax-Rituximab in Relapsed or Refractory Chronic Lymphocytic Leukemia. N Engl J Med. 2018 Mar 22;378(12):1107-1120

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    2018-12-19 jklm09
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    2018-06-22 gao_jian4220
  5. [GetPortalCommentsPageByObjectIdResponse(id=1737992, encodeId=29891e3799261, content=<a href='/topic/show?id=0abd10215e0' target=_blank style='color:#2F92EE;'>#JAK#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10215, encryptionId=0abd10215e0, topicName=JAK)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=6e8634348903, createdName=肉我只吃一口, createdTime=Wed Aug 15 10:02:00 CST 2018, time=2018-08-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1995531, encodeId=6d961995531f8, content=<a href='/topic/show?id=992411149e' target=_blank style='color:#2F92EE;'>#2抑制剂#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=21, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=1114, encryptionId=992411149e, topicName=2抑制剂)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=28b7142, createdName=liuquan, createdTime=Tue Aug 14 22:02:00 CST 2018, time=2018-08-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1851739, encodeId=c1bd1851e39f2, content=<a href='/topic/show?id=f0a254918f0' target=_blank style='color:#2F92EE;'>#抑制剂#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=54918, encryptionId=f0a254918f0, topicName=抑制剂)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=44a360, createdName=jklm09, createdTime=Wed Dec 19 05:02:00 CST 2018, time=2018-12-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1488882, encodeId=a1061488882ca, content=<a href='/topic/show?id=f9941022ee8' target=_blank style='color:#2F92EE;'>#JAK2#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10227, encryptionId=f9941022ee8, topicName=JAK2)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=666c8479565, createdName=gao_jian4220, createdTime=Fri Jun 22 12:02:00 CST 2018, time=2018-06-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=325775, encodeId=99e9325e7513, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=61, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2ac82155377, createdName=1201e5c5m39暂无昵称, createdTime=Thu Jun 21 07:17:09 CST 2018, time=2018-06-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=325703, encodeId=ded0325e0317, content=谢谢分享.学习学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=63, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=1bb241978, createdName=phoebeyan520, createdTime=Thu Jun 21 00:02:25 CST 2018, time=2018-06-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=325661, encodeId=793832566156, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=82311653708, createdName=医者仁心5538, createdTime=Wed Jun 20 21:52:32 CST 2018, time=2018-06-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=325646, encodeId=12be325646b4, content=了解一下.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=http://cdnapi.center.medsci.cn/medsci/head/2019/12/23/2f51002e1349ccda5be11c1eea1e1e60.jpg, createdBy=a22097948, createdName=天地飞扬, createdTime=Wed Jun 20 21:26:12 CST 2018, time=2018-06-20, status=1, ipAttribution=)]
    2018-06-21 1201e5c5m39暂无昵称

    学习了

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=1737992, encodeId=29891e3799261, content=<a href='/topic/show?id=0abd10215e0' target=_blank style='color:#2F92EE;'>#JAK#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10215, encryptionId=0abd10215e0, topicName=JAK)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=6e8634348903, createdName=肉我只吃一口, createdTime=Wed Aug 15 10:02:00 CST 2018, time=2018-08-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1995531, encodeId=6d961995531f8, content=<a href='/topic/show?id=992411149e' target=_blank style='color:#2F92EE;'>#2抑制剂#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=21, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=1114, encryptionId=992411149e, topicName=2抑制剂)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=28b7142, createdName=liuquan, createdTime=Tue Aug 14 22:02:00 CST 2018, time=2018-08-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1851739, encodeId=c1bd1851e39f2, content=<a href='/topic/show?id=f0a254918f0' target=_blank style='color:#2F92EE;'>#抑制剂#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=54918, encryptionId=f0a254918f0, topicName=抑制剂)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=44a360, createdName=jklm09, createdTime=Wed Dec 19 05:02:00 CST 2018, time=2018-12-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1488882, encodeId=a1061488882ca, content=<a href='/topic/show?id=f9941022ee8' target=_blank style='color:#2F92EE;'>#JAK2#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10227, encryptionId=f9941022ee8, topicName=JAK2)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=666c8479565, createdName=gao_jian4220, createdTime=Fri Jun 22 12:02:00 CST 2018, time=2018-06-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=325775, encodeId=99e9325e7513, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=61, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2ac82155377, createdName=1201e5c5m39暂无昵称, createdTime=Thu Jun 21 07:17:09 CST 2018, time=2018-06-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=325703, encodeId=ded0325e0317, content=谢谢分享.学习学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=63, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=1bb241978, createdName=phoebeyan520, createdTime=Thu Jun 21 00:02:25 CST 2018, time=2018-06-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=325661, encodeId=793832566156, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=82311653708, createdName=医者仁心5538, createdTime=Wed Jun 20 21:52:32 CST 2018, time=2018-06-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=325646, encodeId=12be325646b4, content=了解一下.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=http://cdnapi.center.medsci.cn/medsci/head/2019/12/23/2f51002e1349ccda5be11c1eea1e1e60.jpg, createdBy=a22097948, createdName=天地飞扬, createdTime=Wed Jun 20 21:26:12 CST 2018, time=2018-06-20, status=1, ipAttribution=)]
    2018-06-21 phoebeyan520

    谢谢分享.学习学习

    0

  7. [GetPortalCommentsPageByObjectIdResponse(id=1737992, encodeId=29891e3799261, content=<a href='/topic/show?id=0abd10215e0' target=_blank style='color:#2F92EE;'>#JAK#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10215, encryptionId=0abd10215e0, topicName=JAK)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=6e8634348903, createdName=肉我只吃一口, createdTime=Wed Aug 15 10:02:00 CST 2018, time=2018-08-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1995531, encodeId=6d961995531f8, content=<a href='/topic/show?id=992411149e' target=_blank style='color:#2F92EE;'>#2抑制剂#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=21, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=1114, encryptionId=992411149e, topicName=2抑制剂)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=28b7142, createdName=liuquan, createdTime=Tue Aug 14 22:02:00 CST 2018, time=2018-08-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1851739, encodeId=c1bd1851e39f2, content=<a href='/topic/show?id=f0a254918f0' target=_blank style='color:#2F92EE;'>#抑制剂#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=54918, encryptionId=f0a254918f0, topicName=抑制剂)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=44a360, createdName=jklm09, createdTime=Wed Dec 19 05:02:00 CST 2018, time=2018-12-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1488882, encodeId=a1061488882ca, content=<a href='/topic/show?id=f9941022ee8' target=_blank style='color:#2F92EE;'>#JAK2#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10227, encryptionId=f9941022ee8, topicName=JAK2)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=666c8479565, createdName=gao_jian4220, createdTime=Fri Jun 22 12:02:00 CST 2018, time=2018-06-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=325775, encodeId=99e9325e7513, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=61, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2ac82155377, createdName=1201e5c5m39暂无昵称, createdTime=Thu Jun 21 07:17:09 CST 2018, time=2018-06-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=325703, encodeId=ded0325e0317, content=谢谢分享.学习学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=63, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=1bb241978, createdName=phoebeyan520, createdTime=Thu Jun 21 00:02:25 CST 2018, time=2018-06-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=325661, encodeId=793832566156, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=82311653708, createdName=医者仁心5538, createdTime=Wed Jun 20 21:52:32 CST 2018, time=2018-06-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=325646, encodeId=12be325646b4, content=了解一下.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=http://cdnapi.center.medsci.cn/medsci/head/2019/12/23/2f51002e1349ccda5be11c1eea1e1e60.jpg, createdBy=a22097948, createdName=天地飞扬, createdTime=Wed Jun 20 21:26:12 CST 2018, time=2018-06-20, status=1, ipAttribution=)]
    2018-06-20 医者仁心5538

    学习了

    0

  8. [GetPortalCommentsPageByObjectIdResponse(id=1737992, encodeId=29891e3799261, content=<a href='/topic/show?id=0abd10215e0' target=_blank style='color:#2F92EE;'>#JAK#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10215, encryptionId=0abd10215e0, topicName=JAK)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=6e8634348903, createdName=肉我只吃一口, createdTime=Wed Aug 15 10:02:00 CST 2018, time=2018-08-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1995531, encodeId=6d961995531f8, content=<a href='/topic/show?id=992411149e' target=_blank style='color:#2F92EE;'>#2抑制剂#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=21, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=1114, encryptionId=992411149e, topicName=2抑制剂)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=28b7142, createdName=liuquan, createdTime=Tue Aug 14 22:02:00 CST 2018, time=2018-08-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1851739, encodeId=c1bd1851e39f2, content=<a href='/topic/show?id=f0a254918f0' target=_blank style='color:#2F92EE;'>#抑制剂#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=54918, encryptionId=f0a254918f0, topicName=抑制剂)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=44a360, createdName=jklm09, createdTime=Wed Dec 19 05:02:00 CST 2018, time=2018-12-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1488882, encodeId=a1061488882ca, content=<a href='/topic/show?id=f9941022ee8' target=_blank style='color:#2F92EE;'>#JAK2#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10227, encryptionId=f9941022ee8, topicName=JAK2)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=666c8479565, createdName=gao_jian4220, createdTime=Fri Jun 22 12:02:00 CST 2018, time=2018-06-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=325775, encodeId=99e9325e7513, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=61, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2ac82155377, createdName=1201e5c5m39暂无昵称, createdTime=Thu Jun 21 07:17:09 CST 2018, time=2018-06-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=325703, encodeId=ded0325e0317, content=谢谢分享.学习学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=63, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=1bb241978, createdName=phoebeyan520, createdTime=Thu Jun 21 00:02:25 CST 2018, time=2018-06-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=325661, encodeId=793832566156, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=82311653708, createdName=医者仁心5538, createdTime=Wed Jun 20 21:52:32 CST 2018, time=2018-06-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=325646, encodeId=12be325646b4, content=了解一下.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=http://cdnapi.center.medsci.cn/medsci/head/2019/12/23/2f51002e1349ccda5be11c1eea1e1e60.jpg, createdBy=a22097948, createdName=天地飞扬, createdTime=Wed Jun 20 21:26:12 CST 2018, time=2018-06-20, status=1, ipAttribution=)]
    2018-06-20 天地飞扬

    了解一下.谢谢分享!

    0

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