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Inovio宣布采用合成DNA疫苗和PD-1检查点抑制剂治疗后的第二位HPV头颈癌患者实现完全缓解

2019-01-25 美通社 美通社

Inovio Pharmaceuticals, Inc. (NASDAQ: INO)今天宣布,第二位人乳头瘤病毒(HPV)头颈癌患者在使用INO-3112(现用名MEDI0457),加上后续使用PD-1检查点抑制剂治疗后的第一阶段试验中获得了持续的完全缓解。这标志着,用合成DNA疫苗再用PD-1检查点抑制剂治疗后,第二位转移癌患者的病情完全缓解。 Inovio总裁兼首席执行官J. Joseph K

Inovio Pharmaceuticals, Inc. (NASDAQ: INO)今天宣布,第二位人乳头瘤病毒(HPV)头颈癌患者在使用INO-3112(现用名MEDI0457),加上后续使用PD-1检查点抑制剂治疗后的第一阶段试验中获得了持续的完全缓解。这标志着,用合成DNA疫苗再用PD-1检查点抑制剂治疗后,第二位转移癌患者的病情完全缓解。

inovio_pharmaceuticals_inc_logo4109_21100jpg

Inovio总裁兼首席执行官J. Joseph Kim博士表示:“在转移性癌症患者中通过免疫治疗获得持续的完全缓解是新型癌症疗法所希望看到的结果。在HPV癌症患者人群中使用我们的合成DNA疫苗,再使用两种不同的PD-1抑制剂进行治疗的结果表明,4位进展者中有两位获得完全缓解,这是非常鼓舞人心的。PD-1抑制剂作为转移性头颈部肿瘤单药治疗的最佳完全缓解率约为4%。尽管来自第二阶段临床研究的更多数据将为合成DNA疫苗的威力提供更多的见解,但这一新报告的数据使用T细胞激活剂加上检查点抑制剂与提供各种检查点抑制剂的大制药伙伴一起对抗一系列癌症,为Inovio的整体癌症组合战略提供更多验证。除了我们在HPV相关癌症方面的合作外,Inovio还在药效试验方面与F. Hoffman-La Roche Ltd./Genentech和Regeneron合作,将Inovio的INO-5401与他们的检查点抑制剂连接起来,从而分别提高转移性膀胱和GBM的缓解率,中期疗效数据预计将在今年晚些时候提供。”

作为22例HPV相关头颈部鳞状细胞癌单药治疗试验的一部分,两位获得完全缓解的患者都接受了四剂合成DNA疫苗的治疗,其中91%(20/22)的患者在血液或组织中显示了T细胞活性。这表明合成DNA疫苗在外周血中产生了强大的HPV16/18特异性CD8+ T细胞反应,并且提高了切除肿瘤组织标本中的CD8+ T细胞浸润。

在患有进行性疾病,并且随后服用了PD-1检查点抑制剂的4例患者中,有2名患者迅速表现出完全缓解。昨天提供数据的最近一位患者接受了派姆单抗(KEYTRUDA®);而先前报告的完全缓解者则接受了纳武单抗(OPDIVO®)治疗。患者从转移性头颈癌转移到无疾病征象,治疗2年后仍存活。接受纳武单抗治疗的第一位头颈部癌症患者的详细结果发表在《临床癌症研究》(Clinical Cancer Research)十月刊上。

这些结果于1月23日由威斯达研究所(The Wistar Institute)执行副总裁、疫苗与免疫治疗中心主任兼W.W. Smith慈善信托基金会癌症研究教授David B. Weiner在加拿大温哥华举行的Keystone Symposia Conference/Cancer Vaccines上公布。

KEYTRUDA®是默克公司(Merck & Co. )(MRK)的注册商标;OPDIVO®是百时美施贵宝公司(Bristol-Myers Squibb Company)(BMY)的注册商标。

关于HPV头颈癌

人乳头瘤病毒(HPV)是美国最常见的性传播疾病,目前约有7900万名美国人感染了HPV病毒。HPV在头颈部癌症的发生发展中起着重要作用,包括口腔癌、口咽癌、鼻/鼻道癌和喉癌。据估计,2019年,美国将有53000人患口腔癌或口咽癌。新的头颈部癌症病例在男性中发生的频率几乎是女性的三倍。头颈部癌症的发病率一直在上升,尤其是与HPV有关的男性口咽癌,预计还会继续增长。

关于Inovio Pharmaceuticals, Inc.

Inovio是一家专注于DNA免疫疗法的发现、开发和商业化,致力于改变癌症和传染病的治疗方法的生物技术公司。Inovio的专有平台技术应用了新一代的抗原测序和DNA递送技术,用于激活针对目标疾病的强大免疫反应。该技术仅在体内发挥作用,并且已被证明能够持续激活针对靶向癌症和病原体的稳健且功能完全的T细胞和抗体反应。Inovio是唯一一家报告产生T细胞(其杀伤能力与相关临床结果有关)的免疫治疗公司。Inovio最先进的临床项目VGX-3100是为三期HPV相关的宫颈癌前期提供治疗。同时正在开发的还有针对头颈癌、膀胱癌和胶质母细胞瘤的二期免疫肿瘤学计划,以及乙型肝炎、寨卡病毒、埃博拉病毒、中东呼吸综合征和艾滋病毒的平台发展计划。合作伙伴及合作者包括:MedImmune、Regeneron、Roche/Genentech、ApolloBio Corporation、比尔及梅琳达-盖茨基金会、威斯达研究所、宾夕法尼亚大学,帕克癌症免疫疗法研究所、CEPI、DARPA、GeneOne Life Science、Plumbline Life Sciences、德雷塞尔大学、美国国立卫生研究院、艾滋病疫苗试验网络、美国国家癌症研究所、美国军事艾滋病研究计划和拉瓦尔大学。

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    2019-04-08 jklm09
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    2019-01-27 mnda
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