[WCLC中国专场]徐建青教授解读免疫治疗,细胞免疫治疗有望缓解晚期肺癌疾病进展

2017-10-18 佚名 ioncology

过去十年,肿瘤免疫治疗是一个非常热门的领域,肿瘤免疫治疗的不同阶段进展将免疫治疗一步一步的推向热门的高潮。2013年SCIENCE杂志在总结2012年的科学领域的十大突破的时候把肿瘤免疫治疗列为第一位。近年来,CAR-T技术的兴起再一次掀起免疫治疗探究的狂潮,在血液肿瘤领域取得了非常卓越的疗效,然而在实体瘤领域的应用还是遇到了一些瓶颈。

过去十年,肿瘤免疫治疗是一个非常热门的领域,肿瘤免疫治疗的不同阶段进展将免疫治疗一步一步的推向热门的高潮。2013年SCIENCE杂志在总结2012年的科学领域的十大突破的时候把肿瘤免疫治疗列为第一位。近年来,CAR-T技术的兴起再一次掀起免疫治疗探究的狂潮,在血液肿瘤领域取得了非常卓越的疗效,然而在实体瘤领域的应用还是遇到了一些瓶颈。

在今年的WCLC上,来自上海市(复旦大学附属)公共卫生临床中心、复旦大学生物医学研究院的徐建青教授在中国专场上汇报了基于PD-1+CD8+ T和iNKT的免疫治疗在肺癌领域中的应用,通过体外刺激扩增PD-1+CD8+ T与iNKT细胞,并回输到患者体内,可以大大提高经各线治疗失败的晚期肺癌患者的病灶缓解情况。同时徐教授还介绍了临床治疗的病例资料,引起全场与会专家的关注。

从他们目前的研究数据来看,利用PD-1+CD8+ T和iNKT细胞疗法治疗晚期肺癌有望控制病灶的发展,且安全性良好,在已经治疗3个疗程以上的6例IV期肺癌患者中,有4例患者得到控制,2例肿瘤缩小,说明该方法值得进一步深入研究。另外,将这种细胞免疫治疗和其他疗法的结合将来也有望进一步提高患者的疗效。

徐建青教授专访内容:

过去十余年,肿瘤免疫治疗是一个非常热门的领域,肿瘤免疫治疗的不同阶段进展将免疫治疗一步一步地推向热门的高潮,主要表现在:其一、几项标志性的技术在临床中得到应用并获得有效性数据,其中最具标志性的是PD-1抗体在临床上应用获得近30%左右的有效率,2012年5-6月份新英格兰杂志上发表数据之后免疫治疗领域热度大增;其二、2013年SCIENCE杂志在总结2012年科学领域的十大突破的时候把肿瘤免疫治疗列为第一位,使免疫治疗领域热上加热;其三,在血液肿瘤领域,CAR-T技术治疗的有效率非常卓越,进一步加热了免疫治疗领域。

但是,CAR-T技术治疗在实体瘤领域还是遇到了一些技术上的瓶颈,免疫治疗在实体瘤领域的进一步推进困难重重。在我们团队考虑的计划中,实体肿瘤的免疫治疗可以分两步走:第一步,利用自体的具有抗肿瘤作用的免疫细胞进行免疫治疗,比如PD-1+CD8+ T与iNKT细胞联合进行肿瘤的免疫治疗。过去三年多已在临床进行了测试,其中针对肺癌领域的免疫治疗应用的研究例数相对较多,其它肿瘤还包括胰头癌、胃癌、食管癌、胸腺癌以及肾癌等也进行了尝试应用,总体来说该技术治疗的整体有效性比较乐观;此外,该技术可以通过和其它技术进一步结合来提升免疫治疗疗效。例如和放疗联合、PD-1抗体和溶瘤病毒联合等。第二步,研发更有效的、针对实体瘤的CAR-T技术。我们团队也在CAR-T领域开展了一些新技术的研发,未来有望进一步提升针对晚期肺癌的治疗疗效。本次大会我们将过去三年多时间利用PD-1+CD8+ T与iNKT细胞联合免疫治疗在肺癌领域应用的成果数据进行了报告。

大会设立了中国专场,主要有几方面的体会:第一、会场人满为患,规模空前盛大;第二,中国专场国内学者总体的报告水平都比较高、领域也比较广泛,无论是实体瘤的免疫治疗、实体瘤治疗疗效预测的靶标以及液体活检等领域相关报告都体现了国内肿瘤领域尤其是肺癌领域学者的治疗水平。例如,今天中国专场上国内专家对PD-1抗体、PD-L1抗体的临床研究情况进行了总结,包含了国内公司自主研发技术在临床上的应用成果,使参会学者获益匪浅,体现了目前中国在创新医学方面的成就,令人印象深刻。

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    2017-10-20 木头人514
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Cell:效果喜人!多国科学家首次证明,溶瘤病毒联合PD-1抑制剂免疫治疗可以大幅提升癌症响应率

研究人员先是向黑色素瘤局部注射溶瘤病毒,破坏肿瘤微环境,然后全身系统性静脉应用PD-1抑制剂,激活和增强T细胞对肿瘤细胞的攻击和杀伤。这就好比围剿敌方老巢时,先发射导弹进行战略轰炸,再派特种部队全面清剿。

盘点:欧洲泌尿外科学《European Urology》期刊九月文章一览。

此研究结果表明:相比无病生存的患者,转移性复发患者的ctDNA水平显著升高(P<0.001)。 从开始进行血浆ctDNA检测到术后转移复发的中位时间为101天(0–932 天)。因此,液体活检作为一种新的、敏感度较高的技术可早期检测转移复发和监测治疗反应,同时能够支持临床工作开展和指导医生的治疗决策

WCLC 2017:中国专场座无虚席,向世界传递中国声音

2017年世界肺癌大会在日本的横滨召开,大会的第一场内容是IASLC和CSCO的联合专场,本次专场的主题是:肺癌治疗免疫治疗:东西方正在进行的研究。吴一龙教授、白春学教授、Fred R. Hirsch和Tony Mok教授担任大会主席。会议场内座无虚席,以至于在茶歇的时候会议的组织者临时更换了一个3倍大的会场,让滞留在场外的专家可以进入会场参与会议。

CSCO热身:晚期肝癌免疫治疗新进展

近年来,免疫治疗引领了肿瘤治疗的重大变革。在肝癌领域,免疫治疗也刚刚给我们带来了惊喜,免疫治疗在晚期肝癌的治疗上都有哪些突破性的进展呢?在即将到来的2017年CSCO年会上,解放军307医院徐建明教授将带来《晚期肝癌免疫治疗研究进展》。

FDA批准Nivolumab,肝癌开启免疫治疗新时代

9月23日,FDA批准Nivolumab(纳武单抗,以下简称O药)用于接受过索拉非尼治疗后的肝细胞癌(HCC)患者,标志着肝癌治疗正式进入免疫时代。

Health Qual Life Outcomes:屋尘螨和花粉过敏性鼻炎病人舌下免疫治疗生活品质的改善研究

过敏性鼻炎具有较高的流行度,并且它的负担对病人的日常生活品质造成了严重的影响。过敏性鼻炎与日常活动、工作、学习以及现实问题的干扰有关。并且,病人还要承受睡眠障碍和情绪问题。舌下免疫治疗在生活品质方面的优势最近才得以重视。最近,有研究人员进行了前瞻性的现实生活研究,旨在评估为期3年的舌下免疫治疗对屋尘螨(HDM)花粉提取物过敏成年人的生活品质的影响。研究包括了191名成年人(105名男性;平均年龄为