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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注射液(拓益®)联合培美曲塞和铂类适用于表皮生长因子受体(EGFR)基因突变阴性和间变性淋巴瘤激酶(ALK)阴性、不可手术切除的局部晚期或转移性非鳞状非小细胞肺癌(NSCLC)的一线治疗新适应症获得国家药品监督管理局(NMPA)批准。这是特瑞普利单抗在中国获批的第六项适应症,将为中国晚期非小细胞肺癌患者带来更多治疗选择?/p>
君实生物全球研发总裁邹建军博?/strong>表示:“很高兴特瑞普利单抗在肺癌治疗领域的首个适应症获得批准,这意味着我们将能够帮助更多患者共同对抗我国发病率和死亡率最高的恶性肿瘤。同时,特别感谢参与临床试验的患者、研究者、研发团队的贡献和努力,使得研究在新冠疫情期间顺利开展。我们将继续推动特瑞普利单抗在肺癌乃至其他瘤种适应症的研究,以期尽快为更广泛的癌症患者带来更好的生存获益!?/p>
中国医学科学院肿瘤医院王洁教?/strong>表示:“我国肺癌患者群体庞大,存在着巨大的治疗需求。CHOICE-01研究为我们提供了扎实的确证性数据,证实在一线标准化疗基础上加入特瑞普利单抗可为晚期NSCLC患者带来更长的无进展生存期(PFS)和总生存期(OS)获益,且治疗效果不受PD-L1表达的影响,安全性可控。其中对于晚期非鳞NSCLC患者,目前国内外已发表的PD-(L)1抑制剂数据显示,2年OS率普遍在50%左右,而根据CHOICE-01研究结果,特瑞普利单抗联合化疗是目前该领域唯一2年OS率超?0%、死亡风险降低超?0%的PD-(L)1抑制剂联合疗法,提示了患者超长生存获益的可能。期待特瑞普利单抗为不断改善我国肺癌患者治疗做出贡献!?/p>
此次新适应症的获批主要基于CHOICE-01研究(NCT03856411)的数据结果。CHOICE-01是一项随机、双盲、安慰剂平行对照、多中心III期临床试验,由中国医学科学院肿瘤医院王洁教授担任主要研究者。自2019??日至2020??日,CHOICE-01研究在全?3家中心共入组?65例NSCLC患者,其中245例非鳞癌患者按?:1随机入组,接受特瑞普利单?安慰剂联合培美曲?顺铂/卡铂治疗。疾病进展后,符合条件的对照组受试者可接受特瑞普利单抗单药的交叉治疗?/p>
此前,CHOICE-01?022年美国临床肿瘤学会(ASCO)全体大会系?月会议以及ASCO年会上公布了最新研究成果。研究数据显示,与单纯化疗方案相比,特瑞普利单抗联合化疗一线治疗无EGFR/ALK突变的晚期NSCLC患者可显著延长其无进展生存期(PFS)和总生存期(OS),患者疗效不受PD-L1表达的影响,且安全性可管理?截至2021?0?1日,?45例非鳞癌患者中,特瑞普利单抗联合化疗组的中位PFS达到9.7个月,比安慰剂联合化疗组延长4.2个月(HR=0.48[95%CI?.35-0.66],p?.0001);特瑞普利单抗联合化疗组的中位OS仍未达到,已观察到其总生存获益,可降?2%的死亡风险(HR=0.48[95%CI?.32-0.71])?/p>
关于非小细胞肺癌(NSCLC?/strong> 肺癌是目前全球发病率第二、死亡率第一的恶性肿?sup>[1],在中国的发病率和死亡率也位列第一[2]。根据世界卫生组织发布的数据?020年中国的肺癌病例数占新发癌症病例数的17.9%?1.6万),癌症死亡病例数?3.8%?1.5万)[2]。NSCLC为肺癌的主要亚型,约占所有病例的85%[3]。在NSCLC中非鳞非小细胞肺癌患者占比约70%[4]。现有国内外研究表明,抗PD-(L)1单抗单药或联合化疗已成为一线晚期驱动基因阴性NSCLC的新标准治疗?/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”?/p>
特瑞普利单抗至今已在全球(包括中国、美国、东南亚及欧洲等地)开展了覆盖超过15个适应症的30多项由公司发起的临床研究。正在进行或已完成的关键注册临床研究在多个瘤种范围内评估特瑞普利单抗的安全性及疗效,包括肺癌、鼻咽癌、食管癌、胃癌、膀胱癌、乳腺癌、肝癌、肾癌及皮肤癌等?/p>
截至目前,特瑞普利单抗已在中国获?项适应症: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?018?2月);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);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(2021?月);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(2021?1月);联合紫杉醇和顺铂用于不可切除局部晚?复发或远处转移性食管鳞癌患者的一线治疗(2022?月);联合培美曲塞和铂类用于表皮生长因子受体(EGFR)基因突变阴性和间变性淋巴瘤激酶(ALK)阴性、不可手术切除的局部晚期或转移性非鳞状非小细胞肺癌的一线治疗(2022?月)?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》,是国家医保目录中唯一用于治疗黑色素瘤和鼻咽癌的抗PD-1单抗药物?/p>
在国际化布局方面,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、小细胞肺癌领域获得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5项孤儿药资格认定,并在鼻咽癌领域获得欧盟委员会授予的孤儿药资格认定?022?月,FDA受理了重新提交的特瑞普利单抗联合吉西他滨/顺铂作为晚期复发或转移性鼻咽癌患者的一线治疗和单药用于复发或转移性鼻咽癌含铂治疗后的二线及以上治疗的生物制品许可申请(BLA),处方药用户付费法案(PDUFA)的目标审评日期定为2022?2?3日?/p>
1. 本材料旨在传递前沿信息,无意向您做任何产品的推广,不作为临床用药指导?/em>
2. 若您想了解具体疾病诊疗信息,请遵从医疗卫生专业人士的意见与指导?/em>
【参考文献?/h5>
[1] //gco.iarc.fr/today/data/factsheets/cancers/15-Lung-fact-sheet.pdf
[2] //gco.iarc.fr/today/data/factsheets/populations/160-china-fact-sheets.pdf
[3] Rosell R, Karachaliou N. Large-scale screening for somatic mutations in lung cancer. Lancet, 2016, 387(10026): 1354-1356. doi: 10.1016/S0140-6736(15)01125-3
[4] Gridelli C, et al. Nat Rev Dis Primers. 2015;1:15009