ASA 2015:治疗便秘药物Relistor可延长癌症患者总生存期

2015-10-29 candy 译 MedSci原创

    近期的一项研究显示Relistor,作为用于治疗晚期癌症患者因服用阿片类药物而引起便秘的药物,可以延长患者的总生存时间,较无应答和安慰剂治疗的患者提高了近两倍的生存时间。    “这似乎意味着,假如你按照阿片类药物的标签而出现了这些应答,就相当于你可以多活一倍的时间,然而williamhill asia 想知道这是不是由于提供了更好的营养的关系;患者们因此会更

近期的一项研究显示Relistor,作为用于治疗晚期癌症患者因服用阿片类药物而引起便秘的药物,可以延长患者的总生存期,较无应答和安慰剂治疗的患者提高了近两倍的生存时间。
    

“这似乎意味着,假如你服用Relistor后获得如说明书所示的效果,那即是说明你可以多活一倍的时间。然而williamhill asia 想知道这是不是由于提供了更好的营养的关系,患者们是否会因此会更开心得去服用…但是,在另一个拥有135例有慢性阻塞性肺病、充血性心脏衰竭、神经系统疾病的对照组中,并未发现任何相同的反应曲线。”芝加哥大学的麻醉师Jonathan Moss博士在美国麻醉学会年会的演讲上这样告诉记者。“(对于Relistor的这种作用)在某种程度上,正如williamhill asia 并不知道williamhill asia 在实验室里发现的阿片受体是如何在肿瘤进展中发挥作用一样。”
    
Moss和他的同事进行了一项回顾性生存分析。这项研究对参加两项针对Relistor (分别为溴甲纳曲酮[methylnaltrexone]和瓦兰特[Valeant])的随机对照临床试验的229例患者进行了分析。这些病人在姑息治疗中对常规泻药无反应。
    
只有在晚期癌症患者中是特别的,117例接受Relistor,112例接受安慰剂,Relistor组的57%有应答。
    
这些应答者的平均生存时间为118天,而安慰剂组的平均生存时间为58天。另外,应答组的肿瘤进展为7.6%,无应答组为22%,安慰剂组为25.4%。
    
在Moss对患者进行体恤用药(compassionate use)时观察到的这种趋势驱使他进行了本研究。
   
“发现这些数据具有一致性真的非常棒!williamhill asia 也发现生存时间的提高与阿片受体阻断剂有关系,”moss说,“最开心的是,这是一种被认可的药。它已经被用在成千上万的癌症患者中,并且没有重大的副作用。这一切的治疗都可以及时地做到,因为剂量也是被认可的。” Katrina Altersitz说。

关于Relistor:

由惠氏公司和Progenics公司共同研发推广的Relistor,自2008年通过标准审批程序获得FDA批准至今,其在临床上被广泛应用于治疗阿片类药物引起的便秘;2014年9月下旬被FDA批准用于治疗慢性非癌性疼痛。

Relistor是一种阿片类受体拮抗剂,这种药物能够有效促进大肠蠕动,一般在30分钟内经历快速排便,以此来治疗便秘。与泻药不同,Relistor为患者排便提供了一个可预测的反应时间。此外,大多数病人描述这一感觉像正常的排便活动。

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    2015-12-18 lvygwyt2781
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