J Clin Oncol:DLBCL患者诊断-治疗间隔时间越短,基础肿瘤负荷可能越高!

2021-04-30 MedSci原创 MedSci原创

DLBCL患者诊断-治疗间隔时间越短,基础肿瘤负荷可能越高

需要立即治疗的弥漫性大B细胞淋巴瘤(DLBCL)患者在临床试验中的代表性很低。最近,诊断到治疗的时间间隔(DTI)被描述为量化这种患者选择偏差的指标,短的DTI与不良风险因素和较差的预后相关。

在本研究中,研究人描述了DTI、循环肿瘤DNA(ctDNA)、常规危险因素和临床预后之间的相关性,以定义导致选择偏差的客观疾病指标。

研究人员在欧洲和美国的多个中心对267名DLBCL患者治疗前的ctDNA水平进行了评估,这些患者均使用深度测序技术进行了癌症个性化分析。治疗前的ctDNA水平与DTI、总代谢性肿瘤体积(TMTVs)、国际预后指数(IPI)和预后相关。

DTI和临床变量的相关性

研究结果显示,较短的DTI与晚期疾病和较高的IPI相关(均p<0.001)。研究人员还发现,DTI与TMTV呈负相关(Rs=-0.37;p<0.001)。同样的,治疗前的ctDNA水平与分期、IPI和TMTV也显著相关(均p<0.001),表明DTI和ctDNA都能反映疾病负担。

ctDNA与临床变量的相关性

值得注意的是,DTI较短的患者在治疗前的ctDNA水平均较高(p<0.001)。治疗前ctDNA水平可独立于IPI预测短DTI(p<0.001)。在单变量分析中,虽然每个危险因素都与无事件生存率显著相关,但在多变量Cox回归分析中,ctDNA水平是独立于DTI和IPI的无事件生存率的预后因素(ctDNA:危险比:1.5,95%CI 1.2~2.0;IPI:1.1,0.9~1.3;-DTI:1.1,1.0~1.2)。

不同分组患者的临床预后

总而言之,短DTI在很大程度上反映了基础肿瘤负荷,可以用治疗前的ctDNA水平来客观测量。因此,治疗前的ctDNA水平可有效用于量化和预防DLBCL相关临床试验中的选择偏倚。

原始出处:

Alig Stefan,Macaulay Charles W,Kurtz David M et al. Short Diagnosis-to-Treatment Interval Is Associated With Higher Circulating Tumor DNA Levels in Diffuse Large B-Cell Lymphoma.[J] .J Clin Oncol, 2021, undefined: JCO2002573.

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    2021-07-22 minlingfeng
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    2021-05-02 cathymary
  6. [GetPortalCommentsPageByObjectIdResponse(id=2086008, encodeId=e2162086008c4, content=<a href='/topic/show?id=9c488310e4c' target=_blank style='color:#2F92EE;'>#肿瘤负荷#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=42, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=83107, encryptionId=9c488310e4c, topicName=肿瘤负荷)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=325a197, createdName=amyloid, createdTime=Fri Jun 18 01:18:27 CST 2021, time=2021-06-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1866066, encodeId=6a871866066f3, content=<a href='/topic/show?id=16ce133504e' target=_blank style='color:#2F92EE;'>#Oncol#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13350, encryptionId=16ce133504e, topicName=Oncol)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b63894, createdName=minlingfeng, createdTime=Thu Jul 22 06:18:27 CST 2021, time=2021-07-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2021263, encodeId=4a9b202126339, content=<a href='/topic/show?id=a80f10e3046' target=_blank style='color:#2F92EE;'>#LBCL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=57, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10730, encryptionId=a80f10e3046, topicName=LBCL)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/XhttJCp4Aq9gKA5n4v9elclQlVQTDenMiaEiadlI5D3gtmfSiaicoIY4ZsuibrQKLibDdxBKVY8oS6B2FicqJlT93clow/132, createdBy=03202500144, createdName=ms7258648636991762, createdTime=Tue Oct 19 23:18:27 CST 2021, time=2021-10-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1816002, encodeId=24fa181600298, content=<a href='/topic/show?id=9b779e3119a' target=_blank style='color:#2F92EE;'>#间隔时间#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=55, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=97311, encryptionId=9b779e3119a, topicName=间隔时间)], attachment=null, authenticateStatus=null, createdAvatar=https://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTKJUlpK5asKgfVAGEUnO6CbNf6icCfycdBO2zX5TWJq27yt434nFicdjf7OsvbOZBOotQdNx6J6PaZQ/132, createdBy=fcba2500108, createdName=ms6519009802973839, createdTime=Tue Mar 22 16:18:27 CST 2022, time=2022-03-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1360515, encodeId=fc251360515ac, content=<a href='/topic/show?id=e58d60299c' target=_blank style='color:#2F92EE;'>#DLBCL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=57, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6029, encryptionId=e58d60299c, topicName=DLBCL)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=226a143, createdName=cathymary, createdTime=Sun May 02 08:18:27 CST 2021, time=2021-05-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1038270, encodeId=298410382e0d7, content=谢谢梅斯分享这么多精彩信息, 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=anti-cancer, createdTime=Fri Apr 30 20:18:27 CST 2021, time=2021-04-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=961999, encodeId=ef1996199986, content=很好的文章。, beContent=null, objectType=article, channel=null, level=null, likeNumber=52, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=36a81505897, createdName=lbhcx, createdTime=Fri Apr 30 20:14:43 CST 2021, time=2021-04-30, status=1, ipAttribution=)]
    2021-04-30 anti-cancer

    谢谢梅斯分享这么多精彩信息

    0

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    2021-04-30 lbhcx

    很好的文章。

    0

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