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北京时间2022??0日,君实生物?877.HK?88180.SH)宣布,由公司自主研发的抗PD-1单抗药物特瑞普利单抗联合标准化疗作为胃或食管胃结合部腺癌根治术后的辅助治疗III期临床研究(JUPITER-15研究,NCT05180734)已完成首例患者给药。这是我国自主研发的PD-1抑制剂首次在国人高发的胃癌领域开展辅助治疗的大型国际多中心III期临床研究?/p>
根据世界卫生组织(WHO)发布的数据,胃癌是2020年全球发病率位列第五,死亡率位列第四的恶性肿?sup>[1],在中国的发病率及死亡率均位列第三,2020年中国新发胃癌病例约48万例,死亡病例超?7万例[2]。中国确诊病例以II期和III期胃癌为主,手术治疗必须辅以其他综合治疗手段才能达到改善预后的目的,术后辅助化疗仍是目前标准的治疗方?sup>[3]?/p>
以抗PD-1单抗药物为代表的肿瘤免疫疗法可通过解除肿瘤细胞对免疫细胞的免疫抑制,重新激活患者自身的免疫细胞来杀伤肿瘤,达到长期控制或消除肿瘤的效果。在全球范围内,抗PD-1单抗已在胃癌治疗中显示出显著的临床获益,支持进一步探索抗PD-1单抗联合标准化疗在胃或食管胃结合部腺癌根治术后作为辅助治疗,消除微小病灶,延缓疾病复发,最终达到延长患者生存的目的?/p>
特瑞普利单抗由本土创新药企君实生物独立研发,是我国批准上市的首个国产以PD-1为靶点的单抗药物,用于多种恶性肿瘤治疗。作为新型重组人源化单克隆抗体,其与治疗靶点的亲和力和结合稳定性均达到国际先进水平。自2016年进入临床阶段,特瑞普利单抗在中国、美国、东南亚和欧洲等地累计开展了覆盖超过15个适应症的30多项临床试验,目前在中国已有4项适应症获批上市,并作为首个国产抗PD-1单抗在美国递交?项适应症的上市申请?/p>
君实生物率先针对国内高发的实体瘤,如肝癌、肺癌、食管癌、胃癌等,进行了全面的围手术期辅?新辅助治疗布局,进展在国内乃至全球位于前列?/p>
君实生物JUPITER-15项目临床研究团队表示,我国胃癌发病情况严重,尽管手术治疗可完全切除肿瘤,但以化疗为主要手段的围手术期治疗对生存的改善有限。希望通过临床探索,验证抗PD-1单抗联合术后标准化疗的疗效与安全性,解决未被满足的临床需求?/p>
参考文献:
关于JUPITER-15研究
本次开展的JUPITER-15研究(NCT05180734)是一项随机、双盲、安慰剂对照、国际多中心的III期临床研究,由北京大学肿瘤医院季加孚教授、北京大学肿瘤医院沈琳教授和南方医科大学南方医院李国新教授牵头领导,旨在评估特瑞普利单抗与安慰剂对照联合标准化疗作为术后辅助治疗根治术后胃或食管胃结合部腺癌患者的临床疗效与安全性,计划入组680位患者,涉及60余家研究中心?/p>
关于特瑞普利单抗注射液(拓益®?/strong>
特瑞普利单抗注射液(拓益®)作为我国批准上市的首个国产以PD-1为靶点的单抗药物,获得国家科技重大专项项目支持,并荣膺国家专利领域最高奖项“中国专利金奖”。本品获批的第一个适应症为用于既往接受全身系统治疗失败的不可切除或转移性黑色素瘤的治疗?020?2月,特瑞普利单抗首次通过国家医保谈判,目前已?项适应症纳入?021年药品目录》?021?月,特瑞普利单抗获得国家药品监督管理局(NMPA)批准,用于既往接受过二线及以上系统治疗失败的复?转移性鼻咽癌患者的治疗?021?月,特瑞普利单抗获得NMPA批准,用于含铂化疗失败包括新辅助或辅助化?2个月内进展的局部晚期或转移性尿路上皮癌的治疗?021?1月,特瑞普利单抗联合顺铂和吉西他滨用于局部复发或转移性鼻咽癌患者的一线治疗的新适应症获得NMPA批准。此外,特瑞普利单抗还获得了《中国临床肿瘤学会(CSCO)黑色素瘤诊疗指南》、《CSCO头颈部肿瘤诊疗指南》、《CSCO鼻咽癌诊疗指南》、《CSCO尿路上皮癌诊疗指南》及《CSCO免疫检查点抑制剂临床应用指南》推荐?/p>
2021?月,特瑞普利单抗用于晚期黏膜黑色素瘤的一线治疗被国家药监局纳入突破性治疗药物程序?021?月,特瑞普利单抗联合含铂化疗一线治疗局部晚期或转移性食管鳞癌的新适应症上市申请获得NMPA受理?021?2月,特瑞普利单抗联合标准一线化疗用于未经治疗、驱动基因阴性的晚期非小细胞肺癌的新适应症上市申请获得NMPA受理。在国际化布局方面,特瑞普利单抗在美国食品药品监督管理局(FDA)的首个上市申请(BLA)已获受理并被授予优先审评,特瑞普利单抗也是首个向FDA提交BLA的国产抗PD-1单抗。目前,特瑞普利单抗已在黏膜黑色素瘤、鼻咽癌、软组织肉瘤、食管癌领域获得FDA授予2项突破性疗法认定?项快速通道认定?项优先审评认定和4项孤儿药资格认定?特瑞普利单抗?016年初开始临床研发,至今已在全球开展了覆盖超过15个适应症的30多项临床研究,积极探索本品在黑色素瘤、鼻咽癌、尿路上皮癌、肺癌、胃癌、食管癌、肝癌、胆管癌、乳腺癌、肾癌等适应症的疗效和安全性,与国内外领先创新药企的联合疗法合作也在进行当中,期待让更多中国以及其它国家的患者获得国际先进水平的肿瘤免疫治疗?/p>