JAMA Dermatology:抗PD-1疗法可降低伊匹单抗相关免疫副反应风险

2020-07-19 Zhao Lei MedSci原创

自2011年以来,许多转移性黑色素瘤患者接受了伊匹单抗(ipilimumab)单药治疗,但随即出现了严重的免疫相关不良事件。

     PD-1/PD-L1免疫疗法是当前备受瞩目的新一类抗癌免疫疗法,旨在利用人体自身的免疫系统抵御癌症,通过阻断PD-1/PD-L1信号通路,使肿瘤细胞如同失去铠甲一样,裸身面对外界,进而遭受淋巴细胞的免疫袭击而使癌细胞死亡。该类免疫疗法具有治疗多种类型肿瘤的潜力,有望实质性改善患者总生存期 (overall survival, OS)。

     自2011年以来,许多转移性黑色素瘤患者接受了伊匹单抗(ipilimumab)单药治疗,但随即出现了严重的免疫相关不良事件。然而,现在仍有几种免疫疗法可供选择,因此在重新引入免疫疗法治疗转移性黑色素瘤之前,需要对在治疗过程当中产生免疫相关不良事件的机制和复发风险进行了解。

     来自法国布列塔尼欧洲大学癌症治疗中心的安吉丽克·布鲁诺研究团队针对经伊匹单抗单药治疗后发生严重不良事件的患者,进一步评估抗PD-1治疗过程当中相关不良事件复发的风险。该队列研究在法国19个黑色素瘤转诊中心进行,研究纳入了56例转移性黑色素瘤患者,他们都在接受伊匹单抗治疗后发生了严重免疫相关不良事件,随后接受“抗PD-1”治疗。研究中暴露因素有两个,一是至少1个疗程的伊匹单抗单药治疗后发生3或4级免疫相关的不良事件;二是对研究对象进行至少1个疗程的抗PD-1(纳武单抗,nivolumab或派姆单抗,pembrolizumab)单药治疗。主要观察结果是由抗PD-1治疗引起的免疫相关不良事件的发生率。次要观察结果是依匹单抗和抗PD-1免疫相关不良事件的特征以及抗PD-1治疗后研究人群的总体缓解率和总体生存率。

     结果发现,在研究中纳入的56例转移性黑色素瘤患者中,20名患者发生了至少1种与派姆单抗治疗(6 of 20 [30%])或纳武单抗(14 of 20 [70%])治疗相关的免疫相关不良事件。12位患者经历了3或4级免疫相关的不良事件,其中4位患者发生了与伊匹单抗治疗相同的免疫相关不良事件。5名患者由于免疫相关不良事件而终止抗PD-1治疗。总体缓解率为43%,总体中位生存期为21个月(IQR:18个月)。

     研究结果表明,在经伊匹单抗治疗后出现严重免疫不良反应的患者中,抗-PD-1疗法可能降低其发生毒副反应的风险并提高生存率。

拓展知识:pembrolizumab(派姆单抗),是一种新型治疗癌症的药物。这款药物主要用于接受ipilimumab(伊匹单抗)疗法后的不可切除性或转移性黑色素瘤患者的治疗,剂量为每三周一次,每千克体重2mg。

原始出处:

Brunot A, Grob J, Jeudy G, et al. Association of Anti–Programmed Cell Death 1 Antibody Treatment With Risk of Recurrence of Toxic Effects After Immune-Related Adverse Events of Ipilimumab in Patients With Metastatic Melanoma. JAMA Dermatol. Published online July 15, 2020. doi:10.1001/jamadermatol.2020.2149

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  2. [GetPortalCommentsPageByObjectIdResponse(id=1784157, encodeId=68591e8415784, content=<a href='/topic/show?id=39b358600a' target=_blank style='color:#2F92EE;'>#dermatology#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5860, encryptionId=39b358600a, topicName=dermatology)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7dc7399, createdName=apoenzyme, createdTime=Sat Dec 12 13:03:33 CST 2020, time=2020-12-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1937362, encodeId=adbf193e36286, content=<a href='/topic/show?id=8cb632e8025' target=_blank style='color:#2F92EE;'>#副反应#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=50, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=32780, encryptionId=8cb632e8025, topicName=副反应)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=1dbc2500219, createdName=huagfeg, createdTime=Thu Mar 25 05:03:33 CST 2021, time=2021-03-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=945418, encodeId=e2f29454183a, content=控制剂量, beContent=null, objectType=article, channel=null, level=null, likeNumber=62, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=84f85464656, createdName=ms2000000050996988, createdTime=Thu Mar 04 13:14:34 CST 2021, time=2021-03-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=803417, encodeId=ad5c80341e87, content=抗癌的新希望, beContent=null, objectType=article, channel=null, level=null, likeNumber=97, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTJlfgys76DEiaNtbYo2re3ibjrUPTRibEXRyFwAB4aAGiave842S0FQDf0wAoaH226NiaSoPPDzhndsf1g/132, createdBy=88b489038, createdName=yangchou, createdTime=Mon Jul 20 06:28:12 CST 2020, time=2020-07-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1036172, encodeId=ad2d10361e292, content=顶刊就是顶刊,谢谢梅斯带来这么高水平的研究报道,我们科里同事经常看梅斯,分享梅斯上的信息, beContent=null, objectType=article, channel=null, level=null, likeNumber=47, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=旺医, createdTime=Sun Jul 19 19:03:33 CST 2020, time=2020-07-19, status=1, ipAttribution=)]
    2021-03-25 huagfeg
  3. [GetPortalCommentsPageByObjectIdResponse(id=1784157, encodeId=68591e8415784, content=<a href='/topic/show?id=39b358600a' target=_blank style='color:#2F92EE;'>#dermatology#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5860, encryptionId=39b358600a, topicName=dermatology)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7dc7399, createdName=apoenzyme, createdTime=Sat Dec 12 13:03:33 CST 2020, time=2020-12-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1937362, encodeId=adbf193e36286, content=<a href='/topic/show?id=8cb632e8025' target=_blank style='color:#2F92EE;'>#副反应#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=50, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=32780, encryptionId=8cb632e8025, topicName=副反应)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=1dbc2500219, createdName=huagfeg, createdTime=Thu Mar 25 05:03:33 CST 2021, time=2021-03-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=945418, encodeId=e2f29454183a, content=控制剂量, beContent=null, objectType=article, channel=null, level=null, likeNumber=62, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=84f85464656, createdName=ms2000000050996988, createdTime=Thu Mar 04 13:14:34 CST 2021, time=2021-03-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=803417, encodeId=ad5c80341e87, content=抗癌的新希望, beContent=null, objectType=article, channel=null, level=null, likeNumber=97, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTJlfgys76DEiaNtbYo2re3ibjrUPTRibEXRyFwAB4aAGiave842S0FQDf0wAoaH226NiaSoPPDzhndsf1g/132, createdBy=88b489038, createdName=yangchou, createdTime=Mon Jul 20 06:28:12 CST 2020, time=2020-07-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1036172, encodeId=ad2d10361e292, content=顶刊就是顶刊,谢谢梅斯带来这么高水平的研究报道,我们科里同事经常看梅斯,分享梅斯上的信息, beContent=null, objectType=article, channel=null, level=null, likeNumber=47, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=旺医, createdTime=Sun Jul 19 19:03:33 CST 2020, time=2020-07-19, status=1, ipAttribution=)]
    2021-03-04 ms2000000050996988

    控制剂量

    0

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    2020-07-20 yangchou

    抗癌的新希望

    0

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    2020-07-19 旺医

    顶刊就是顶刊,谢谢梅斯带来这么高水平的研究报道,我们科里同事经常看梅斯,分享梅斯上的信息

    0

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肥胖与多种癌症的死亡率增高相关;但目前尚不知道肥胖与转移性黑色素瘤的存活预后之间的关系。现研究人员对体重指数(BMI)与进行靶向治疗、免疫治疗或化疗的转移性黑色素瘤患者的无进展存活期或总体存活情况之间的关联进行评估。研究人员对随机参与靶向治疗、免疫治疗或化疗的临床试验的独立队列的和一进行免疫治疗的回顾性研究中的转移性黑色素瘤患者进行回顾性分析,根据BMI将患者划分为体重过轻、正常、超重和肥胖。排除