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Lancet Oncol.:恩杂鲁胺测改善转移性去势抵抗前列腺癌患者生活质量(PREVAIL试验)

2015-05-08 Jessie 译 MedSci原创

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恩杂鲁胺可显著改善转移性去势抵抗前列腺癌患者的健康相关生活质量、疼痛,并延迟初次化疗患者的首发骨髓相关事件的发生。近期发表在Lancet Oncol.上的一篇文章报道了IIIPREVAIL试验中关于患者健康相关生活质量、疼痛及骨髓相关事件的研究结果。
 
之前报道了PREVAIL试验发现,恩杂鲁胺可显著提高无症状、轻微症状及初次化疗的转移性去势抵抗这三组前列腺癌患者的总生存时间和影像学无进展生存时间。这篇文章里,研究者报道了PREVAIL试验中恩杂鲁胺对健康相关生活质量、疼痛及骨髓相关事件的作用。
 
试验中进行了双盲,患者随机分入恩杂鲁胺组(n=872)和安慰剂组(n=845),剂量均为160mg/天。健康相关生活质量的评估使用前列腺癌患者生活治疗问卷(FACT-P)和EQ-5D问卷,评估时间为基线时、治疗期间。疼痛的评估使用简版简明疼痛清单(BPI-SF),评估时间分别为招募时、基线、治疗13周及25周。生活质量的分析应用混合效应模型检测基线至61周的生活质量得分的最小平方均分的变化。收集了骨髓相关事件的发生比例和首发时间。
 
干预组和安慰剂组的中位治疗时长分别为16.6个月和4.6个月。混合效应模型显示,干预组与安慰机组相比,生活质量FACT-P的基线与61周得分变化存在显著差异,EQ-5D视觉模拟评分的结果也存在显著差异。干预组生活质量开始下降的时间点为11.395%CI11.1~13.9)个月,对照组为5.695%CI5.5~5.6)个月,危险比(HR)为0.6295%CI0.54~0.72P0.0001)。干预组生活质量(FACT-P)显著提高的患者比例为40%327/826),对照组为23%181/790);EQ-5D效用指数评估的结果为28% vs. 16%,视觉模拟评分的结果为27% vs. 18%,均具有统计学意义(P0.0001)。
 
干预组和安慰机组BPI-SF评估的疼痛进展到最严重的时间分别是5.75.6~5.7)个月和5.65.4~5.6)个月(HR=0.6295%CI0.53~0.74P0.0001)。13周时,干预组疼痛达到最严重的比例显著低于安慰机组(29% vs. 42%P0.0001),但25周时结果没有显著差异(32% vs. 38%P=0.068)。
 
到数据截点时,干预组32%的患者出现了骨髓相关事件,安慰机组的这一比例为37%。首发骨髓相关事件的中位时间在干预组为31.1个月,安慰机组为31.3个月(HR=0.7295%CI0.61~0.84P0.0001)。
 
可见,恩杂鲁胺不仅能够延长转移性去势抵抗前列腺癌患者的生存时间,而且能提高患者的生活质量,改善疼痛及骨髓相关事件的发生。

原始出处

Loriot Y, Miller K, Sternberg CN, Fizazi K, De Bono JS, Chowdhury S, Higano CS, Noonberg S, Holmstrom S, Mansbach H, Perabo FG, Phung D, Ivanescu C, Skaltsa K, Beer TM, Tombal B. Effect of enzalutamide on health-related quality of life, pain, and skeletal-related events in asymptomatic and minimally symptomatic, chemotherapy-naive patients with metastatic castration-resistant prostate cancer (PREVAIL): results from a randomised, phase 3 trial.Lancet Oncol. 2015 May;16(5):509-21. doi: 10.1016/S1470-2045(15)70113-0. Epub 2015 Apr 14.

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    2015-10-30 howi
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    2015-06-04 minlingfeng
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    2015-05-13 huaxipanxing

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一项由丹纳-法伯癌症研究中心研究人员开展的临床试验结果显示,对不接受他汀类药物治疗的男性患者,在进行雄激素剥夺治疗后的前列腺癌患者接受降胆固醇的他汀类药物治疗能够获得更长时间的疾病控制。在这项最新在线发表在JAMA Oncology杂志上的研究中,研究人员报告说,在接受雄激素剥夺疗法(ADT)开始服用他汀类药物的男性患者平均27.5个月后疾病开始恶化,而没有接受他汀类药物治疗的男性则仅有17.4个

J Urol:狗狗也可以“嗅”出前列腺癌啦

近日,刊登在国际杂志The Journal of Urology上的一项研究报告中,来自意大利的科学家通过研究表明,受过训练的狗可以通过尿液样本样本“嗅”出和前列腺癌相关的化学物质。文章中研究者对2只三岁大的德国牧羊犬进行训练,让其利用患者的尿液样本检测出前列腺癌特殊的挥发性有机化合物。牧羊犬的鉴别技能已经成功对900名男性的样本进行了检测,其中包括362名前列腺癌患者及540名健康个体;Meds

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