Journal of Clinical Oncology:单次HPV DNA检测可预测18年宫颈癌风险

2012-08-02 不详 网络

《临床肿瘤学杂志》(Journal of Clinical Oncology) 7月30日在线发表的一份研究报告显示,只需进行1次HPV DNA检测即可预测至少未来18年内女性患宫颈癌的风险,识别出哪些人已经患有浸润性宫颈癌,哪些人的HPV感染未来会导致发病。相比之下,巴氏涂片检查无法预测1~2年后具有重要临床意义的疾病。 美国临床肿瘤学会(ASCO)的Philip E. Castle博士

《临床肿瘤学杂志》(Journal of Clinical Oncology) 7月30日在线发表的一份研究报告显示,只需进行1次HPV DNA检测即可预测至少未来18年内女性患宫颈癌的风险,识别出哪些人已经患有浸润性宫颈癌,哪些人的HPV感染未来会导致发病。相比之下,巴氏涂片检查无法预测1~2年后具有重要临床意义的疾病。

美国临床肿瘤学会(ASCO)的Philip E. Castle博士及其同事对来自俄勒冈州波特兰市的由19,512名女性组成的队列进行了分析,所有受试者均在1989~1990年接受了常规细胞学筛查,基线年龄介于16~94岁。研究者采用目前临床上常规使用的商业化诊断性检查手段对受试者的宫颈阴道灌洗液进行了回顾性HPV DNA检测。

受试者接受了大约18年的随访,每年进行1次巴氏涂片检查。在此期间共有199例被确诊为患有浸润性宫颈癌(宫颈上皮内瘤样病变[CIN]3级+),共发现396例CIN2+患者。基线巴氏涂片阳性对于2年内的宫颈癌具有很强的预测价值,但无法预测该时间点之后的宫颈癌风险。相比之下,HPV DNA检测阳性可持续预测受试者的宫颈癌风险直至研究结束。

举例来说,在入组研究后10~18年期间,与HPV阴性者相比,HPV阳性者被诊断为CIN2+ 和 CIN3+的几率更大,而巴氏涂片阳性者被诊断为CIN2+ 或CIN3+的几率并未高于巴氏涂片阴性者。

同样,基线单次HPV检测阴性与单次巴氏涂片阴性相比,“更能保证受试者在未来18年的随访期内出现CIN2+(1.85% vs. 2.47%)和CIN3+(0.90% vs. 1.27%)的可能性不大。”此外,与巴氏涂片阳性结果相比,HPV阳性结果后出现CIN2+(215例 vs. 136例)和CIN3+(112例vs. 65例)的病例数也更多。在基线HPV DNA检测阳性且随后出现了CIN2+或CIN3+的受试者中,只有一半患者的巴氏涂片检查结果呈阳性。

研究者称,上述结果“进一步支持HPV检测作为30岁及30岁以上女性的常规筛查方法。”此外,其他研究结果表明HPV检测还可能有助于识别出哪些女性存在罹患宫颈原位腺癌和浸润性腺癌的风险,而这两种疾病“单纯通过细胞学筛查是很难发现的”。

Castle博士及其同事指出:“与巴氏涂片检查相比,HPV检测对于CIN3和宫颈癌的预测价值更大,因此可以作为健康女性的宫颈癌筛查手段。而巴氏涂片则可以作为次要的诊断性检查来识别出哪些HPV阳性者近期就有患上浸润性宫颈癌的风险。”

该研究的部分经费由美国国立癌症研究所资助。Castle博士声明与默克、Qiagen和罗氏公司存在利益关系,其同事Attila T. Lorincz博士声明与Qiagen公司存在利益关系。

随刊述评:HPV DNA检测现已普及且结果客观

美国约翰霍普金斯大学的Cornelia L. Trimble 博士指出,Castle博士及其同事开展的这项研究“很重要,因其提供了数据来支持基于风险的宫颈癌筛查作为常规临床实践的一部分,并且所用的筛查工具已经普及”。她说:“可以将一种非主观的定量检测方法作为主要的筛查工具,其意义在于这样的筛查无需由接受过专业培训的医务人员来完成。”

相关链接:Philip E. Castle,Andrew G. Glass,Brenda B. Rush,David R. Scott,Nicolas Wentzensen, Julia C. Gage, Julie Buckland,Greg Rydzak,Attila T. Lorincz and Sholom Wacholder.Clinical Human Papillomavirus Detection Forecasts Cervical Cancer Risk in Women Over 18 Years of Follow-Up.August 1,2012,30(22)

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    2013-04-19 yyj072
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    2013-05-07 sjq027
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    2013-01-15 minlingfeng
  5. [GetPortalCommentsPageByObjectIdResponse(id=1694030, encodeId=283a16940305c, content=<a href='/topic/show?id=5847611661' target=_blank style='color:#2F92EE;'>#DNA检测#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=45, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6116, encryptionId=5847611661, topicName=DNA检测)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=333b29540979, createdName=yyj072, createdTime=Fri Apr 19 23:47:00 CST 2013, time=2013-04-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2061334, encodeId=e0f72061334a8, content=<a href='/topic/show?id=e6e1e15509f' target=_blank style='color:#2F92EE;'>#癌风险#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=53, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=71550, encryptionId=e6e1e15509f, topicName=癌风险)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=d58a435, createdName=sjq027, createdTime=Tue May 07 23:47:00 CST 2013, time=2013-05-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1674323, encodeId=d51916e432351, content=<a href='/topic/show?id=e8aa13359b1' target=_blank style='color:#2F92EE;'>#Oncology#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=42, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13359, encryptionId=e8aa13359b1, topicName=Oncology)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=cb7226973259, createdName=circumcision, createdTime=Sun Nov 25 00:47:00 CST 2012, time=2012-11-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1864367, encodeId=26f0186436ed9, content=<a href='/topic/show?id=16ce133504e' target=_blank style='color:#2F92EE;'>#Oncol#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=43, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13350, encryptionId=16ce133504e, topicName=Oncol)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b63894, createdName=minlingfeng, createdTime=Tue Jan 15 11:47:00 CST 2013, time=2013-01-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2069711, encodeId=39f82069e1197, content=<a href='/topic/show?id=045f4631511' target=_blank style='color:#2F92EE;'>#宫颈癌风险#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=59, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=46315, encryptionId=045f4631511, topicName=宫颈癌风险)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f503121, createdName=zjubiostat, createdTime=Fri Mar 15 14:47:00 CST 2013, time=2013-03-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1407889, encodeId=f062140e889fd, content=<a href='/topic/show?id=92194628826' target=_blank style='color:#2F92EE;'>#宫颈#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=46288, encryptionId=92194628826, topicName=宫颈)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=11102737131, createdName=一闲, createdTime=Sat Aug 04 01:47:00 CST 2012, time=2012-08-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1507603, encodeId=79a5150e603c8, content=<a href='/topic/show?id=8764484014' target=_blank style='color:#2F92EE;'>#clinical#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4840, encryptionId=8764484014, topicName=clinical)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=1ee59933733, createdName=zll0628, createdTime=Sat Aug 04 01:47:00 CST 2012, time=2012-08-04, status=1, ipAttribution=)]
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    2012-08-04 一闲
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    2012-08-04 zll0628

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