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Lancet:二甲双胍不能改善晚期胰腺癌患者的治疗结果

2015-06-09 崔倩 译 MedSci原创

背景:在临床前工作和回顾性人群研究中,抗糖尿病药物二甲双胍已证实与抗肿瘤活性和降低许多癌症(包括胰腺癌)的负担有关。因此假设这种药物可以用来作为肿瘤指示。该研究的目的是评估将二甲双胍加入到一个标准系统治疗晚期胰腺癌的治疗后的疗效,并提供一个肿瘤显示二甲双胍生存终点的临床实验的第一报告。    方法:研究人员在荷兰的四个中心做了这项双盲、随机、安慰剂对照的Ⅱ期临床试验。

背景:在临床前工作和回顾性人群研究中,抗糖尿病药物二甲双胍已证实与抗肿瘤活性和降低许多癌症(包括胰腺癌)的负担有关。因此假设这种药物可以用来作为肿瘤指示。该研究的目的是评估将二甲双胍加入到一个标准系统治疗晚期胰腺癌的治疗后的疗效,并提供一个肿瘤显示二甲双胍生存终点的临床实验的第一报告。
    
方法:研究人员在荷兰的四个中心做了这项双盲、随机、安慰剂对照的Ⅱ期临床试验。年龄在18岁或以上的晚期胰腺癌患者被随机分配(1:1),通过置换的计算机生成块分配方案(六块大小)在每4周的第1,8,15天接受静脉注射吉西他滨(1000毫克/平方米),每日一次口服厄洛替尼(100毫克),联合口服二甲双胍或安慰剂每日两次。二甲双胍的剂量从500毫克(第一周)上升到第二周的每日两次(1000毫克)。通过医院、糖尿病状态和肿瘤分期随机进行分层。主要终点是在6个月时的总生存期,通过意向性治疗人群进行分析。
    
结果:在2010年5月31日和2014年1月3日之间,研究人员随机分配121例患者接受吉西他滨和厄洛替尼与安慰剂(n=61)或二甲双胍(n=60)治疗。在6个月总生存率安慰剂组为63.9%(95%Cl 51.9-75.9),二甲双胍组为56.7%(44.1-69.2)(P=0.41)。总生存率组间无差异(安慰剂组中位时间7.6个月[95%Cl 6.1-9.1 vs 二甲双胍组6.8个月[95%Cl 5.1-8.5];危险比[HR]1.056[95%Cl
 0.72-1.55];数秩P=0.78)。最常见的3-4级毒性反应为中性粒细胞减少(安慰剂组15例[25%],二甲双胍组15例[25%]),皮疹(6[10%] vs 4[7%]),腹泻(3[5%] vs 6[10%]),和疲劳(2[3%] vs 6[10%])。
    
结论:在吉西他滨和厄洛替尼中加入常规抗糖尿病剂量的二甲双胍并不能改善晚期胰腺癌患者的治疗结果。未来的研究应包括更有效的双胍类研究,并应关注高胰岛素血症患者和显示出标记物精神压力敏感性的肿瘤患者,如AMP激酶,细胞能量内环境稳定的重要调节器的功能丧失。

原始出处:

Sil Kordes;Michael N Pollak;Aeilko H Zwinderman;Ron A Mathôt,et al.Metformin in patients with advanced pancreatic cancer,Lancet,2015.6.8

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    2015-11-16 howi
  2. [GetPortalCommentsPageByObjectIdResponse(id=1828140, encodeId=1b6e18281400f, content=<a href='/topic/show?id=1b6210686b2' target=_blank style='color:#2F92EE;'>#Lancet#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=58, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10686, encryptionId=1b6210686b2, topicName=Lancet)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=3f0227, createdName=howi, createdTime=Mon Nov 16 22:07:00 CST 2015, time=2015-11-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=27943, encodeId=b8232e94383, content=学习了,涨知识啦, beContent=null, objectType=article, channel=null, level=null, likeNumber=210, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=19311619842, createdName=xcjick, createdTime=Wed Jun 17 12:13:00 CST 2015, time=2015-06-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1389559, encodeId=89a8138955936, content=<a href='/topic/show?id=82a95988106' target=_blank style='color:#2F92EE;'>#晚期胰腺癌#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=66, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=59881, encryptionId=82a95988106, topicName=晚期胰腺癌)], attachment=null, authenticateStatus=null, createdAvatar=https://thirdqq.qlogo.cn/qqapp/1103841572/2898B09F0DA89357D0D54A725E611AC7/100, createdBy=fdd32500040, createdName=ms7899726347904398, createdTime=Thu Jun 11 06:07:00 CST 2015, time=2015-06-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1535904, encodeId=8d981535904ff, content=<a href='/topic/show?id=ae716469300' target=_blank style='color:#2F92EE;'>#治疗结果#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=100, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=64693, encryptionId=ae716469300, topicName=治疗结果)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=fa8e12645559, createdName=jiadan198786, createdTime=Thu Jun 11 06:07:00 CST 2015, time=2015-06-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=26641, encodeId=6f8c2664169, content=看看, beContent=null, objectType=article, channel=null, level=null, likeNumber=161, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=ee0d1618732, createdName=huaxipanxing, createdTime=Tue Jun 09 19:02:00 CST 2015, time=2015-06-09, status=1, ipAttribution=)]
    2015-06-17 xcjick

    学习了,涨知识啦

    0

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    2015-06-09 huaxipanxing

    看看

    0

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近期Jeremy B Sussman等人对一项“糖尿病预防计划”的随机对照试验经行了基于风险因素的再分析,以探究二甲双胍和生活方式干预(以控制体重和运动为目的),这两种预防措施对糖尿病高危人群的预防效果。研究成果发表在近期BMJ上。该研究纳入人群均为非糖尿病患者,但有葡萄糖代谢受损,根据糖尿病形成危险因素(由糖尿病风险预测模型得出)的高低将纳入人群分为4层,接受二甲双胍或生活方

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