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Lancet:对于致癌HPV,VGX-3100疫苗是个不错的选择

2015-11-21 崔倩 译 MedSci原创

尽管致癌人乳头瘤病毒(HPVs),宫颈上皮内瘤变(CIN)预防性疫苗是常见的,但目前的治疗是烧蚀并且可能导致长期的生殖发病率。研究人员评估是否VGX-3100,合成质粒靶向的HPV-16和HPV-18的E6和E7蛋白,通过电穿孔传递,会引起CIN2/3女性的组织病理学的回归。VGX-3100在CIN2/3中与HPV-16和HPV-18相关的的疗效性,安全性和免疫原性,在一项随机,双盲,安慰剂对照的

尽管致癌人乳头瘤病毒(HPVs),宫颈上皮内瘤变(CIN)预防性疫苗是常见的,但目前的治疗是烧蚀,并且可能导致长期的生殖发病率。研究人员评估VGX-3100、合成质粒靶向的HPV-16和HPV-18的E6和E7蛋白,通过电穿孔传递,是否会引起CIN2/3女性的组织病理学的回归。

VGX-3100在CIN2/3中与HPV-16和HPV-18相关的的疗效性、安全性和免疫原性,在一项随机、双盲、安慰剂对照的2b阶段研究进行了评估。患者来自七个国家的36个学术和私人妇科实践地点,患者被随机(3:1)分配接受6毫克VGX-3100或安慰剂(1mL),在0,4和12周时肌肉注射。随机化分层是按年龄(<25 VS≥25岁)和CIN2 vs CIN3由计算机生成的分配序列(4块大小)完成的。出资者和现场人员,参与者和病理学家都不知道治疗分配。主要疗效终点是首次剂量后36周回归到CIN1或正常病理的情况。每个协议和改良的意向性治疗分析分别是在接受三个剂量没有违反协议,及接受至少一个剂量的患者基础上进行的。安全性人群包括接受至少一个剂量的所有患者。

在2011年10月19日和2013年7月30日之间,167例患者接受VGX-3100(n=125)或安慰剂(n=42)。在按方案分析中107例VGX-3100接受者中的53例患者(49.5%)和36例安慰剂接受者中的11例患者(30.6%)有病理组织学回归(百分点差异19.0[95%Cl 1.4-36.6];P=0.034)。在改良的意向性治疗分析中,114例VGX-3100接受者中的55例患者(48.2%)和40例安慰剂接受者中的12例患者(30.0%)有病理组织学回归(百分点差异18.2[95%Cl 1.3-34.4];P=0.034)。大多数患者有注射部位反应,但VGX-3100组只有红斑比安慰剂组发生显著较多,分别为(98/125, 78.4%)和(24/42, 57.1%;百分点差异21.3 [95% Cl 5.3–37.8];p=0.007)。

VGX-3100是第一种对抗HPV-16和HPV-18相关的CIN2/3的治疗性疫苗,并且已经显示有功效。VGX-3100对于CIN2/3是一种非手术治疗选择,具有改变这种常见的疾病治疗的前景。

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    2016-09-13 doctorJiangchao

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    2016-09-13 doctorJiangchao

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    2016-09-13 doctorJiangchao

    值得分享

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    2016-08-26 howi
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    2015-11-23 jambiya

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一个67岁的妇女到医院就诊,称2个月余前舌部就开始出现疼痛感,吞咽困难和发音障碍。经问诊,她既往无吸烟和饮酒史,但她患有糖尿病,高血压,和动脉粥样硬化性心血管疾病史。体格检查可见,舌苔表面有一个表面白色和多个乳头状突起的外生性肿块,现已累及右侧舌半。这已经严重影响了她进食。舌部触诊有压痛、质硬感,但无活动障碍。检查未见有肿大的淋巴结。组织病理学检查证实该女士患上了口腔疣状癌,但对其作人类乳头瘤病毒

PNAS:颠覆 雌激素在宫颈癌癌中的作用

科学家们一直认为雌激素是宫颈癌生长的主要驱动因子。但一项最新研究表明,雌激素受体在宫颈癌细胞中几乎全部消失。相关论文发表在近期的美国国家科学院院刊PNAS杂志上。宫颈癌是女性中的第二大癌症,在发展中国家尤其常见,因为在那里早期筛查还不普遍。人们发现,几乎所有宫颈癌都是人乳头瘤病毒(HPV)感染引起的。研究人员对SUCCEED项目(Study to Understand Cervical Cance

Oral Oncol:HPV感染可促使年轻个体头颈癌的发生率升高

Oral Oncol:HPV感染可促使年轻个体头颈癌的发生率升高 在过去的30年里,头部和颈部肿瘤的面貌发生了巨大的变化。与烟草和酒精相关的鳞状细胞癌在过去的30年里稳步下降,但是与人乳头瘤病毒(HPV)相关的肿瘤发病率却逐渐增加,且较易发生在40-50岁的非吸烟人群中。有研究表明,约70-90%的新发口咽癌存在HPV感染。有研究表明,一生中口交伴侣(>5)以及阴道性交伴侣(>25)较高与HPV阳

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