关注肿瘤标志物检测,改善肺癌管理——ProGRP检测助力小细胞肺癌的临床诊疗

2015-11-19 佚名 生物谷

今年11月是第十五个“全球肺癌关注月”,这是世界肺癌联盟在2001年11月发起的一项全球性倡议,目的是呼吁世界各国重视肺癌的预防,提高人们对肺癌的防癌、抗癌意识,普及肺癌的规范化诊疗知识。作为一种常见的高致死率恶性肿瘤,全球每年约有160万新发肺癌病例,每年因肺癌死亡的人数超过其他高发癌症死亡人数之和。在中国,情况同样不容乐观,每4例恶性肿瘤死亡者中就有1例是肺癌患者。肺癌已成为我国恶性肿瘤发

今年11月是第十五个“全球肺癌关注月”,这是世界肺癌联盟在2001年11月发起的一项全球性倡议,目的是呼吁世界各国重视肺癌的预防,提高人们对肺癌的防癌、抗癌意识,普及肺癌的规范化诊疗知识。作为一种常见的高致死率恶性肿瘤,全球每年约有160万新发肺癌病例,每年因肺癌死亡的人数超过其他高发癌症死亡人数之和。在中国,情况同样不容乐观,每4例恶性肿瘤死亡者中就有1例是肺癌患者。肺癌已成为我国恶性肿瘤发病率和死亡率之首,分别占比19.59%和24.87%。

在第十五个“全球肺癌关注月”期间,江苏省人民医院肿瘤科主任束永前教授指出:“随着人口老龄化、空气污染等因素的影响,我国肺癌发病率和死亡率均呈持续上升之势,严重威胁着人们的健康和生命。肺癌的防治已成为全社会的挑战。提高肺癌的规范性治疗是当前肺癌诊疗工作的重点。只有改善肺癌诊疗管理,肺癌患者的生存率与生活质量才能得到进一步提升。”

Elecsys ProGRP检测助力小细胞肺癌诊疗管理

肺癌主要分为小细胞肺癌(SCLC)和非小细胞肺癌(NSCLC)。SCLC虽然只占肺癌的15%~20%,却是一种恶性程度更高、病因更复杂的肿瘤。不同的肺癌分型在治疗上会采取不同的策略。江苏省人民医院检验学部主任医师潘世扬教授指出:“肺癌分型非常重要,这对于临床的治疗决策起到了关键作用。然而,现有的检验手段对SCLC和NSCLC的鉴别诊断仍存在诸多限制。胸部CT筛查可以早期发现早期周围型肺癌,但对早期中心型肺癌,如SCLC并无明显获益。活检可以对肺部肿物进行确诊,但具有一定的适应症,并非适合所有的患者。影像学手段很难发现小的发生在支气管管腔内的中心型肺癌,而痰细胞学检查往往存在漏诊。因此,临床与检验都亟需高灵敏和高特异性的检测手段。近年来,随着血清肿瘤标志物在肺癌临床诊疗领域的广泛应用,现已逐渐成为肺癌早期诊断、鉴别诊断、监测疗效及预后的有效辅助检测手段。”

江苏省人民医院检验学部主任医师潘世扬

对于肺癌标志物而言,胃泌素释放肽前体(ProGRP)对SCLC诊断具有最高的特异性和最佳的敏感性,对SCLC和良性肺疾病的区分具有良好的鉴别诊断价值,能及时、有效地识别SCLC,是诊断SCLC的首选标志物。由欧洲4国医学中心联合中国两家中心(首都医科大学宣武医院,北京协和医院)开展的Elecsys®  ProGRP多中心临床研究数据证实,在不同类型的良、恶性疾病中,ProGRP在SCLC中呈现高表达、且浓度上升明显,而在其它良性疾病或恶性肿瘤中低表达,证明ProGRP在SCLC诊断中优秀的特异性。

此外,ProGRP对肺癌临床治疗的疗效监测、预后评估及随访观察等也有着重要的参考价值。作为肺癌治疗监测、预后评估的独立因素和重要指标,ProGRP水平在SCLC治疗监测过程中,可提示临床使用的治疗方案是否有效。如果治疗有效,ProGRP水平会下降;如果治疗后ProGRP水平不降或继续升高则表示治疗无效病情进展,应结合其他临床依据及时调整治疗方案。

血清肿瘤标志物联合检测改善肺癌诊疗管理

为全面提高肺癌诊疗水平、规范肺癌的诊疗过程、满足临床决策需求,国家卫生和计划生育委员会医政医管局委托中国抗癌协会肿瘤临床化疗专业委员会,于今年1月颁布出台了《原发性肺癌诊疗规范(2015年版)》。《规范》中明确提出肿瘤标志物在肺癌临床诊疗中的三种主要用途,即辅助诊断、疗效监测和随访观察(预后评估),临床诊断时可根据需要检测肺癌相关的肿瘤标志物辅助诊断和鉴别诊断,并了解肺癌可能的病理类型。

江苏省人民医院肿瘤科主任束永前

束永前教授指出:“肺癌标志物在辅助诊断和鉴别诊断中有着非常重要的意义。特别是对于一个新收治患者的管理,在诊断和治疗前进行肿瘤标志物联合检测,如神经特异性烯醇化酶(NSE)、胃泌素释放肽前体(ProGRP)、细胞角蛋白19片段(CYFRA21-1)和胚胎抗原(CEA )等,其后再根据患者个人差异,选择1-2个敏感指标作为观察疗效和评估预后,并结合影像学以及病理学对检测结果进行全面的分析,更有利于提高诊断的准确性和敏感性,改善肺癌患者临床管理。”

潘世扬教授也指出:“作为组织病理和影像学检查的有力补充,血清肿瘤标志物检测具有准确、动态、快速和经济的优势,可以通过动态监测了解患者个体化水平。同时,检测操作方便、快速,随时抽血即可,当天就可以出报告,并且一管血可同时完成多项检测,价格相对更为经济,是一个非常好的辅助手段。同时,单个肿瘤标志物对于肺癌诊断的敏感度和准确性有限,多个肿瘤标志物联合CT检查,可降低肺癌的漏检率,提高敏感性,以便在早期发现肿瘤的复发和转移,降低患者死亡率。”

罗氏诊断中国专业诊断部区域总监王峰

罗氏诊断中国专业诊断部区域总监王峰先生表示:“作为全球体外诊断领域的领导者,罗氏诊断始终致力于为临床治疗决策提供更可靠、更具医学价值的检验结果。罗氏诊断Elecsys ProGRP检测自2014年在中国上市以来,有效地帮助了临床医生识别早期SCLC和区分良性肺病,监测治疗效果、复发和预后情况,协助医生及时调整治疗方案,实现对SCLC更好的管理,助力肺癌的规范化诊疗,为患者带来更多获益。未来,我们将继续与肿瘤和检验领域的专家开展密切合作,共同推动中国肿瘤领域的学术研究发展,为造福更多中国癌症患者做出贡献!”

关于罗氏

罗氏总部位于瑞士巴塞尔,是世界领先的以研发为基础的健康事业公司,拥有制药和诊断两大业务。罗氏在肿瘤、免疫、传染病、眼科和神经科学领域提供真正差异化的药物,是世界最大的生物科技公司。罗氏也是体外诊断和基于组织的肿瘤诊断的世界领导者,以及糖尿病管理领域的领跑者。罗氏个体化医疗战略旨在为切实提高患者健康、生活质量和生存期提供药物和诊断。始创于1896年,罗氏在逾一个世纪里不断为全球健康事业做出重要贡献。罗氏研发的28款药物被纳入世界卫生组织基本药物标准清单,其中包括用于挽救生命的抗生素、抗疟药和化疗药物。

2014年,罗氏集团全球共拥有超过88,500名员工,在研发上投入了89亿瑞士法郎,销售业绩达475亿瑞士法郎。位于美国的基因泰克公司是罗氏集团的独资子公司。罗氏还是日本中外制药株式会社的控股方。更多信息,请查询:www.roche.com

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    2016-08-27 李东泽

    这篇资讯带给我们新知识,启发新思维,不论是科研还是临床工作都有很大的帮助。。。

    0

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    2016-07-30 bioon3
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    2015-12-27 忠诚向上

    很值得好学习

    0

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    2015-11-21 sunylz
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    2015-11-19 lixh1719

    基础研究还不太够

    0

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