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JCO:提高晚期宫颈癌存活率的新疗法

2014-09-29 佚名 生物通

最近,美国德州大学(UT)西南医学中心癌症研究人员进行的一项最新研究表明,将一种标准的化疗药物与另一种阻断细胞分裂的药物相结合,能提高晚期宫颈癌患者的存活率和反应率。这种抗癌“鸡尾酒”,是将化疗药物顺铂与培美曲塞——一种阻止细胞分裂的药物相结合,对于晚期、持续性或复发性宫颈癌的治疗,展示出了很大的前景。Harold C. Simmons癌症中心成员、妇产科学教授、妇科肿瘤专家David Mille

最近,美国德州大学(UT)西南医学中心癌症研究人员进行的一项最新研究表明,将一种标准的化疗药物与另一种阻断细胞分裂的药物相结合,能提高晚期宫颈癌患者的存活率和反应率。


这种抗癌“鸡尾酒”,是将化疗药物顺铂与培美曲塞——一种阻止细胞分裂的药物相结合,对于晚期、持续性或复发性宫颈癌的治疗,展示出了很大的前景。

Harold C. Simmons癌症中心成员、妇产科学教授、妇科肿瘤专家David Miller博士说:“我们发现,培美曲塞联合顺铂的毒性较低,耐受性良好,可开发用于宫颈癌的进一步治疗。”

在II期临床试验中,Miller博士和美国国家癌症研究所的同事们发现,在没有预先接受化疗的患者当中,联合鸡尾酒长达7个月的反应率为31%,总体存活期为12个月。而标准化治疗方案——顺铂联合化疗药物紫杉醇,达6个月的反应率为29%,总体存活期为13个月。

虽然在功效上具有可比性,但Miller博士指出,与紫杉醇组合相比,培美曲塞联合治疗对患者的毒性更小,因而可能是更好的治疗选择。

将第三种药物贝伐单抗(bevacizumab)添加到顺铂-紫杉醇鸡尾酒中,可进一步提高患者的存活率,目前是转移性或复发性宫颈癌患者的标准治疗。因此,研究人员建议,贝伐单抗联合顺铂和培美曲塞,可能也提供进一步的生存益处。

Miller博士指出:“鉴于培美曲塞联合顺铂可能毒性较小,并且与顺铂加紫杉醇的功效相当,我们可以联合贝伐单抗使用,下一个适当的步骤,将是调查顺铂-培美曲塞加贝伐单抗与顺铂加贝伐单抗的临床对比。”

相关研究结果发表在最近的国际肿瘤权威期刊《临床肿瘤学杂志》(Journal of Clinical Oncology)(2014年最新影响因子为17.879),这项研究非常重要,因为转移性或复发性肿瘤患者往往面临着较差的预后,而且目前没有有疗效的治疗方法。

根据疾病预防控制中心的最新数据显示,在美国,2011年有超过12,000的女性被诊断为宫颈癌,有接近4,100例相关死亡。然而,2014年JAMA的一项研究表明,这个概率可能更高——每100,000名女性中大约有18.6人患宫颈癌,而不是以前所认为的12/100,000。该研究还表明,宫颈癌的风险会随着女性年龄的增长而增加,在非洲裔美国女性当中更为普遍。

根据疾病防控中心资料显示,宫颈癌曾经是美国女性癌症死亡的主要原因,但是多年来,宫颈癌病例和死亡人数在下降,因为更多的女性定期接受子宫颈抹片检查。子宫颈抹片检查可以在宫颈转化为癌症之前鉴别宫颈癌前期。另一个因素是,人类乳头状瘤病毒(HPV)疫苗的使用,因为HPV是大多数宫颈癌的一个根本原因。

原始出处:

Miller DS1, Blessing JA2, Ramondetta LM2, Pham HQ2, Tewari KS2, Landrum LM2, Brown J2, Mannel RS2.Pemetrexed and Cisplatin for the Treatment of Advanced, Persistent, or Recurrent Carcinoma of the Cervix: A Limited Access Phase II Trial of the Gynecologic Oncology Group.J Clin Oncol. 2014 Sep 1;32(25):2744-9. doi: 10.1200/JCO.2013.54.7448. Epub 2014 Jul 28.

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    2015-03-02 lidong40
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    2014-10-01 一闲
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    2014-10-01 kcb074
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