关于贝伐珠单抗注射液生物类似药临床研究设计及审评的考虑

2018-07-13 高柳村,陈晓媛 CDE

本审评要点的制定是首次基于单品种进行,希望广泛听取申报单位、研究者等各相关方面的意见和建议。后续我们还将组织专家和申报单位共同讨论,最终形成专家共识,作为该品种的技术审评标准,请大家关注。       一、前言       贝伐珠单抗注射液(Bevacizumab)

一、前言 贝伐珠单抗注射液(Bevacizumab)由瑞士罗氏公司研制开发,商品名为安维汀(Avastin)。采用哺乳动物细胞表达的抗人血管内皮生长因子(VEGF)单克隆抗体制剂,通过阻断VEGF与其内皮细胞上的受体结合,使VEGF失去生物活性,从而减少肿瘤血管生成,抑制肿瘤生长。2004年2月首先被美国FDA批准上市,与5-氟尿嘧啶化疗联合用于转移性结直肠癌患者的治疗,是全球首个批准的靶向作用于VEGF的药物。之后陆续批准用于非小细胞肺癌、肾癌、脑胶质瘤、卵巢癌、宫颈癌等适应症。在中国,2010年2月贝伐珠单抗注射液获准进口注册,目前已经批准的适应症仅包括结直肠癌和非小细胞肺癌[1]。 贝伐珠单抗注射液原研产品专利即将过期(欧洲专利2019年,美国专利2017年)[2],国内外众多医药企业纷纷加入到其生物类似药的研发过程中。为了更好地推动生物类似药的开发,我们在CFDA已发布的《生物类似药研发与评价技术指导原则(试行)》基础上,结合该品种的特点,制定了贝伐珠单抗生物类似药的临床研究策略和评价要点,以期为贝伐珠生物类似药的研发者提供参考。 二、贝伐珠单抗生物类似药临床研究策略 生物类似

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    2018-07-13 戒馋,懒,贪

    谢谢分享学习了

    0

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Lancet Oncol:RAS野生型结直肠癌:FOLFIRI+西妥昔 vs FOLFIRI+贝伐珠(FIRE-3)

背景:FIRE-3试验对KRAS外显子2野生型转移性结直肠癌患者的两种治疗方案进行了比较:一线FOLFIRI(5-氟尿嘧啶、亚叶酸钙、依立替康)+西妥昔单抗 vs FOLFIRI+贝伐珠单抗;对其他RAS基因(KRAS和NRAS基因外显子2-4)野生型癌症患者的数据也进行了探索性分析。此次研究者对FIRE-3研究中RAS(KRAS/NRAS,外显子2-4)野生型亚组进行疗效分析;此外,对肿瘤动力学

Lancet Oncol:贝伐珠单抗+二线化疗能改善HER2阴性乳腺癌PFS (TANIA研究)

二线治疗是否仍然使用一线治疗的靶向药物,存在争议。贝伐珠单抗在一线治疗对HER2阴性患者是获益的。但是一线治疗后转移或局部复发的患者,是否二线治疗仍然添加贝伐珠单抗,尚缺乏临床证据。针对贝伐珠单抗+化疗治疗后疾病进展的局部复发或转移性乳腺癌患者进一步行贝伐珠单抗治疗的有效性和安全性进行了评估。研究成果发表在最近的Lancet Oncology杂志上。该项试验是一项开放标签、随机,III期试验,研究

J Clin Oncol:贝伐珠单抗添加到标准治疗对新诊断胶质母细胞瘤的患者生存质量没有影响

目的:随着胶质母细胞瘤的进展,患者经历健康相关的生活质量的下降(HRQoL)。延迟这种下降是重要的治疗目标。在新诊断的胶质母细胞瘤中,贝伐珠单抗添加到放射治疗加替莫唑胺(RT / TMZ)  vs 安慰剂加RT / TMZ(III期AVAglio研究中危险比,0.64;95%置信区间,0.55至0.74;P <&