O药新惊喜:美FDA首次批准用于晚期胃癌一线治疗的免疫疗法

2021-04-17 DY MedSci原创

用于晚期或转移性胃癌、胃食管交界癌和食管腺癌患者的初始治疗。

4月16日,美国食品和药物管理局(FDA)批准百时美施贵宝PD-1抑制剂纳武单抗(Opdivo,nivolumab)与某些类型的化疗联合使用,用于晚期或转移性胃癌、胃食管交界癌和食管腺癌患者的初始治疗。这是美FDA批准的第一个用于胃癌一线治疗的免疫疗法。

https://www.fda.gov/news-events/press-announcements/fda-approves-first-immunotherapy-initial-treatment-gastric-cancer

FDA肿瘤高级研究中心主任Richard Pazdur博士表示:“此次的批准是十多年来第一个显示出对首次接受治疗的晚期或转移性胃癌患者具有生存益处的治疗方法。” 这将为晚期癌症患者带来新的治疗选择。

在美国,每年约有2.8万例新诊断的胃癌患者,在目前的治疗条件下,总体生存率普遍较差。肿瘤切除后的治愈率很低,平均生存率约为32%,而晚期或转移性胃癌的5年生存率仅为5%。

Opdivo是一种单克隆抗体,通过增强T细胞功能抑制肿瘤生长。在一项随机、多中心、开放标签试验中,研究人员对1581名既往未经治疗的晚期或转移性胃癌、胃食管交界癌和食管腺癌患者进行了Opdivo治疗疗效评估。结果显示,接受Opdivo联合化疗的789名患者,平均寿命比单独接受化疗的792名患者长。接受Opdivo加化疗的患者中位生存期为13.8个月,而单独接受化疗的患者为11.6个月。

Opdivo联合化疗最常见的副作用包括周围神经病变(大脑和脊髓以外的神经受损)、恶心、疲劳、腹泻、呕吐、食欲下降、腹痛、便秘和肌肉骨骼疼痛。Opdivo可引起免疫介导的严重副作用,包括健康器官的炎症,如肺(肺炎)、结肠(结肠炎)、肝(肝炎)、内分泌腺(内分泌病变)和肾(肾炎)。如果患者有免疫系统问题、肺部或呼吸问题、肝脏问题、曾进行过器官移植、怀孕或计划怀孕,应在开始治疗前告诉医护人员。

Opdivo获得了该适应证的优先审评和孤儿药称号。药物获批意味着将会大大改善治疗、诊断或预防严重疾病的安全性或有效性。初步临床证据表明,该药物可能在一个或多个临床重要终点上带来比现有疗法的更多改善。

FDA批准了百时美施贵宝公司的申请。在这次审查中,FDA与澳大利亚治疗商品管理局、巴西卫生监管局、加拿大卫生部和瑞士的Swissmedic合作。其他监管机构正在对应用程序进行审查。

此前在2020年3月,Opdivo在中国正式获得中国国家药品监督管理局批准用于治疗既往接受过两种或两种以上全身性治疗方案的晚期或复发性胃或胃食管连接部腺癌患者,这是继非小细胞肺癌、头颈部鳞状细胞癌之后,欧狄沃在中国获批的第三个适应证。

获批基于一项名为ATTRACTION-2的Ⅲ期临床研究,这是全球首个启动的胃癌免疫肿瘤治疗Ⅲ期临床试验。该研究结果明确了胃癌免疫治疗在东亚人群中的有效性及安全性,也使欧狄沃成为了首个且迄今唯一经Ⅲ期临床研究证实能为中国晚期胃癌患者带来显著生存获益的PD-1抑制剂。

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    2021-04-22 科研科研科研

    O药

    0

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    2021-04-17 JZ Yang

    m OS:13.8mVS11.6m

    0

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    2021-04-17 医鸣惊人

    认真学习了

    0

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在广泛性疾病小细胞肺癌(ED-SCLC)中,以铂为基础的一线化疗的有效率很高,但疗效缺乏持久性。

Clin Cancer Res:纳武单抗+伊匹单抗+英夫利昔单抗/赛妥珠单抗治疗黑色素瘤

对于晚期黑色素瘤患者,TNF阻滞剂可用于处理纳武单抗和/或伊匹单抗治疗后的胃肠道炎症副作用。临床前数据显示,抗-TNF可以提高免疫检查点抑制剂的疗效。

拓展阅读

N Engl J Med:围手术期纳武利尤单抗(O药)联合化疗 vs 化疗治疗III期非小细胞肺癌的疗效和安全性:O药联合化疗具有更好的疗效

纳武利尤单抗(O药)联合化疗相比于单药化疗有更高的病理完全缓解率和更长的生存期。

满3个疗程即获援助,O药援助项目升级,患者“更多获益”!

面对恶性肿瘤,过去和现在,甚至是未来的核心关注点是:“如何在尽量少的花费情况下,达到对恶性肿瘤的最佳治疗效果,在保证生活质量的前提下,获得每一个长久生存的机会。” 新年伊始,中国癌症基金会宣布调整O药患者援助方案,为符合条件的低收入肺癌和头颈部鳞癌患者送上新年好礼。新方案由原先的“6+7”调整为: “首次3+3,后续3+4循环” 患者每轮自付比例下降50%,获得援助间隔期缩短,以

食管癌免疫治疗迎来“三岔口”,中国患者如何不盲从?

食管癌,中国人不可名状之痛!因为喜食烫食和腌制食物,还有酗酒、吸烟、基因突变、遗传因素、食物中微量元素和矿物质的缺乏等因素,中国拥有全球一半的食管癌患者,并且绝大多数(超过95%)都是鳞状细胞癌,多发经济落后地区。由于现有标准治疗手段化疗效果不佳(应答率仅为22.0%),食管癌患者的5年生存率只有20%,每年死亡人数高达50.8万人,甚至高于“癌中之王”的胰腺癌(43.2万人)。

两个国产PD-1的全新销售数据公布,进入医保有望吗

今年伊始,随着三个国产PD-1单抗相继在市场上的强势进入,竞争格局正在变得越来越激激烈。

“O药“今日开售 如何管理PD-1治疗不良反应?

盼望着,今日终于迎来了中国首个免疫治疗药物(PD-1药物)“O药”(Opdivo,Nivolumab)开售。“O药”的开售,真正让中国患者进入了免疫治疗时代。但是,在进行免疫治疗时,还有一个非常重要的部分是每位患者都不容忽视的——不良反应。如何更加安全地使用免疫治疗药物?如何能够最大是程度发挥药物的疗效?不良反应的种类免疫治疗药物是通过活化机体的免疫系统,进而对肿瘤细胞进行“攻击”的,但有时,过于