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Gazyvaro(obinutuzumab)
2014-10-08 10:49:39 来源: 作者: 【 】 浏览:1513次 评论:0

罗氏(Roche)7月29日宣布,欧盟委员会(EC)已批准Gazyvaro(obinutuzumab)联合苯丁酸氮芥化疗用于因一些合并症(comorbidities)导致不适合强化治疗(intensive therapy)的初治慢性淋巴细胞白血病(CLL)成人患者的治疗。在欧盟及瑞士以外国家和地区,Gazyvaro以商品名Gazyva上市。罗氏计划于2014年在欧洲一些国家推出该药。此外,罗氏也正在对抗CD-20抗体治疗有效的其他一些类型癌症中评价Gazyvaro的疗效。

Gazyvaro的获批,基于III期CLL11研究的数据。数据表明,与美罗华(MabThera,通用名:rituximab,利妥昔单抗)+苯丁酸氮芥组合疗法相比,Gazyvaro+苯丁酸氮芥组合疗法使疾病恶化或死亡风险显著降低61%,显著延长了患者的疾病无进展生存期(PFS:26.7个月 vs 15.2个月,p<0.001),同时也增加了缓解深度(以微小残留病(MRD)评价: 37.7% vs 3.3%),并取得了较高的完全缓解率( 21% vs 7%)。此外,与与苯丁酸氮芥单药疗法相比,Gazyvaro+苯丁酸氮芥组合疗法也增加了初治CLL患者的总生存期(OS)。

关于Gazyvaro(obinutuzumab):

obinutuzumab在美国的商品名为Gazyva,已获FDA批准,联合苯丁酸氮芥(chlorambucil)化疗,用于既往未经治疗的慢性淋巴细胞白血病(CLL)患者。Gazyva的获批,将减少生物仿制药对罗氏重磅药物美罗华(Rituxan,通用名:rituximab,利妥昔单抗)的冲击。

obinutuzumab又名GA101,是首个糖基化的II型抗CD20单克隆抗体,靶向B细胞表面的CD20分子,能够直接诱导B细胞死亡。obinutuzumab旨在增强抗体依赖性细胞毒性作用(Antibody-Dependent Cellular Cytotoxicity,ADCC)及直接的细胞死亡诱导作用(Direct Cell Death induction)。
http://www.ema.europa.eu/docs/en_GB/document_library/Summary_of_opinion_-_Initial_authorisation/human/002799/WC500167332.pdf


http://www.ema.europa.eu/docs/en_GB/document_library/EPAR_-_Summary_for_the_public/human/002799/WC500171597.pdf

 

Information
Generic Name:
obinutuzumab 
Trade Name: Gazyvaro (EU), Gazyva (US) 
Synonym: RG7159, GA101, RO5072759, afutuzumab 
Entry Type: Licence extension  
 
Developmental Status
UK: Phase III Clinical Trials 
EU: Phase III Clinical Trials 
US: Phase III Clinical Trials 
UK launch Plans: Available only to registered users
Actual UK launch date:  
Comments
Feb 14: Filing still anticipated 2016 [6] 
24/02/2014 10:57:47
Apr 12: Filing expected 2016 [3]. 
23/04/2012 09:30:07
PIII [1,2]. 
06/03/2012 16:41:04
 
Trial or other data
Q3 11: First pt enrolled in the PIII GOYA (BO21005; NCT01287741) study. It will compare obinutuzumab + CHOP vs. rituximab + CHOP in indolent & diffuse large B-cell lymphoma. The primary endpoint will be PFS. Approximately 1,400 patients are expected to be enrolled in the EU (including UK), US, Australia, Canada, Japan, Thailand & Korea [1,2]. 
06/03/2012 16:44:52
 
Evidence Based eva luations
NHSC/NIHR  http://www.hsc.nihr.ac.uk/topics/obinutuzumab-in-combination-with-chop-chemotherapy/
   
References  
Available only to registered users
Category
BNF Category:
Other immunomodulating drugs (08.02.04)
Pharmacology: Third-generation anti-CD20 monoclonal antibody  
Epidemiology: The annual incidence of DLBCL is 5-6/100,000 (increasing from 0.3/100,000 in those aged 35-39 years to 26.6/100,000 in those aged 80-84 years) [4]. There are around 4,835 new cases of DLBCL per year in the UK, the majority of which are CD20-positive [5]  
Indication: Diffuse large B-cell lymphoma (DLBCL) 
Additional Details: + CHOP, first line 
 
Method(s) of Administration
Intravenous 
 
Company Information
Name: Roche 
US Name: Roche 
 
NICE Information
In timetable: No  
When: 
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