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[新药快讯] 2014-12-12国内、国际新药信息大汇总

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xiaoxiao 发表于 2014-12-12 20:04:42 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式

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武汉健民5类中药开郁宁片二次申报生产 此前未获批准

                               
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发布日期:2014-12-12  来源:大智慧阿思达克通讯社  

国家食品药品监督管理总局(CFDA)公开信息显示,武汉健民药业集团股份有限公司5类中药开郁宁片及其原料药贯叶金丝桃总黄酮申报生产获得受理。这是去年11月份该药物未获得批准后,公司第二次向CFDA提交申请。

  


                               
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      国家食品药品监督管理总局(CFDA)公开信息显示,武汉健民药业集团股份有限公司5类中药开郁宁片及其原料药贯叶金丝桃总黄酮申报生产获得受理。这是去年11月份该药物未获得批准后,公司第二次向CFDA提交申请。

  开郁宁片是抗抑郁新药。资料显示,贯叶金丝桃制剂对轻中度抑郁的疗效与化药阿米替林、氟西汀等相当,且具有较好的耐受性,副作用少而轻微等特点。武汉健民于2010年就已完成对该新药的临床研究工作,开郁宁及其原料药项目还曾获国家“十二五”重大新药创制专项立项。

  2012年,武汉健民首次向药监部门申报了开郁宁片的生产申请,并于2013年1月提交补充资料。2013年11月,该药物的审评状态变为“制证完毕-已发批件北京市 ”。曾向公司求证,得知该药物未获得批准,但未获准原因不详




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 楼主| xiaoxiao 发表于 2014-12-12 20:05:42 | 只看该作者
白云山金戈冲击原研药 或带来激烈竞争和巨额利润

                               
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发布日期:2014-12-12  来源:新药汇  作者:金森水  

本文就枸橼酸西地那非的仿制及相关前景做一叙述。

在2014年初的时候广东白云山制药公司宣布CFDA批准了其公司的枸橼酸西地那非原料药和片剂的生产注册批件的申请。广药早在2005年即拿到批文,并一度被认为将成为首家仿制万艾可的国内药企,虽然"金戈"在短期暂难为其提供较大收益,但长远的前景乐观,盈利可观。


                               
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白云山金戈冲击原研药 或带来激烈竞争和巨额利润

1、导言

今年年初广东白云山制药公司宣布,该公司申报的枸橼酸西地那非原料药和片剂的生产注册批件的申请已获得我国国家食品药品监督管理总局(CFDA)的批准:枸橼酸西地那非在国内以"金戈"为其公司的注册商品名,并同时批准了该药的药品申请生产批件。西地那非在全球年销量巨大,枸橼酸西地那非是我国对国外同类专利产品的首次仿制并注册成功的药品,其引入国内市场,必定国外原研药的市场形成冲击,并带来激烈的市场竞争和巨额利润。因此,本文就本次枸橼酸西地那非的仿制及相关前景做一叙述。

2、仿制药的流弊

由于我国早期药物研发实力薄弱,工业基础起点低,还有对于仿制药的上市许可程序免去了临床前和临床试验,因此当前SFDA网站的药物数据显示国内上市的药品中绝大多数药品为仿制药。当大多数患者面对原研药与仿制药时,看着一边是昂贵的国外原研药,一边是廉价许多的国内仿制药,好似只有些许的差异,对于具体如何选择却是一头雾水。两者的药品质量与疗效真的是等同的吗?

原研药,即指原创性的新药,经过对成千上万种化合物层层筛选和严格的临床试验才得以获准上市。而这个过程通常需要需要花费15年以上研发时间和耗费数亿美元,目前仍旧只有大型的跨国制药企业才有能力研制。一直以来,我国就是一个以生产仿制药为主的国家,随着中国加入WTO以后原研发药才被重视。在我国,多数仿制药只是复制了原研发药的主要成份的分子结构,而其他成份则与原研药不同,由此两者有疗效差异。

对此,2013年我国SFDA正式颁布了《仿制药质量一致性评价工作方案》,拟对2007年前批准仿制药进行一致性评价(之前未要求提供与原研药相比较的生物等效性证明),评估其与原研药的一致性,旨在提高仿制药的质量,淘汰一部分疗效不佳的仿制药。同时,这也是当前国家药品安全"十二五"规划的重要任务。而在美国,上市批准仿制药通常至少要求进行溶出率和生物利用度两项研究。

3、原研仿制药的优势

西地那非的原研药厂家为辉瑞制药有限公司,原商品名为"万艾可",其通用名为枸橼酸西地那非片,俗称"伟哥"。由本次白云山仿制的"金戈"的注册批准信息可知,本次白云山制药生产的枸橼酸西地那非与辉瑞公司的产品通用名一致,都是枸橼酸化的西地那非,属于仿制药中的"原研仿制药"。

这里其中一个重要的区别就是:国内当前流行的 "Me-too"、"Me-Better"等制药公司所研制的所谓仿制药,其实大部分都在研发早期为了规避国外的"专利墙",采取了不同的化学盐结构或者干脆在原研药的基础上进行化学结构改造。经过这样的改造之后,该药其实已经不是真正的仿制药了,而是"改制药"。说到底,此类"改制药"一般国内外独此一家,看似占了一个"独家品种"的噱头,但是实际上其具体的临床疗效、生理生化标准等等,均缺乏相关的标准化的临床试验的验证。这也许是钻了我国当前对仿制药相关标准、法律法规制定不严格的空子。

另一方面,绝大多数发表的临床试验均是使用原研药进行的,其临床试验数据多样且充分,能完整的体现原研要的疗效与安全性。临床疗效是检验药品质量的唯一标准,随着临床应用的增加,一些疗效欠佳的仿制药将来必定被临床所淘汰。此次白云山的枸橼酸西地那非在原料药上来说是完全意思上的仿制药,符合美国FDA对原研制药的基本要求。同时,此类原研仿制药经过了时间和全球病患的检验,从一开始就踏上了与原研药竞争的国际平台。

4、仿制药与原研药的差异

其实,仿制药与原研药的疗效差异在学界是有争议的。通常认为,对仿制药的功效和质量的批评往往是没有根据的,有时甚至销售人员故意策划的。因为,目前仍旧没有切实的证据证明仿制药比原研药的安全性更差。

在发达国家,原研药与仿制药两者并存,这同样也大大降低了国家医保的负担。但是,原研药与仿制药的差别概念已经深入人心,国外要求医生开药只开处国际非专利名称(INN),当患者拿着医生的处方去药店配药时,药剂师让患者自己选择:是要原研药还是仿制药?患者可根据病情等等作出相应的选择,或者在药剂师帮助下综合考虑做出最适合于自己的选择。

5、市场前景展望

辉瑞的"伟哥"专利到期,白云山"金戈"出马可能将从剂量、渠道和价格上与辉瑞进行差异化竞争。就我国国内市场来看,近年来"伟哥"年均销售额超5亿元,而其销售范围只覆盖了全国一二线城市的部分零售药店。因此,此次西地那非仿制药可能面临一个销售额达5亿-10亿元的广阔市场,并且暂无用药安全与疗效差异之忧。就全球市场来看,辉瑞万艾可的销售额超20亿美元,而此次白云山的西地那非原料药的出口可能也对其市场形成冲击,仿制药大量取代原研药,使辉瑞遭遇滑铁卢。广药早在2005年即拿到批文,并一度被认为将成为首家仿制万艾可的国内药企,虽然"金戈"在短期暂难为其提供较大收益,但长远的前景乐观,盈利可观。




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板凳
 楼主| xiaoxiao 发表于 2014-12-12 20:06:52 | 只看该作者
FDA批准默沙东超级HPV疫苗Gardasil 9(9价HPV疫苗)

                               
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发布日期:2014-12-12  来源:生物谷

Gardasil 9(9价HPV疫苗)将取代默沙东自身已上市的Gardasil(4价)成为全球最畅销的HPV疫苗,分析师预计,Gardasil 9的年销售峰值将达到19亿美元,默沙东就偷着乐吧!


                               
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默沙东(Merck & Co)近日收获了个大好消息,Gardasil(4价HPV疫苗)的接班人Gardasil 9(9价HPV疫苗)获得了FDA的批准。然而,坏消息是,Gardasil 9将取代Gardasil成为全球最畅销的HPV疫苗;Gardasil将退居二线,同时销售将大幅下滑。不过,反正2个都是自己的产品,默沙东就偷着乐吧。

近日,FDA批准Gardasil 9(人乳头瘤病毒9价疫苗,重组)用于预防由9种类型人乳头瘤病毒(HPV)导致的某些疾病,该疫苗覆盖了9种HPV类型,比已上市的Gardasil(4价HPV疫苗)多了5种。Gardasil 9具有预防大约90%的子宫颈、外阴、阴道和肛门癌症的潜力。

具体而言,FDA已批准Gardasil 9用于9-26岁的女性以及9-15岁的男性,用于预防由高危型HPV(16、18、31、33、45、52、58)导致的宫颈、外阴、阴道、肛门癌,以及预防由低危型HPV(6、11)导致的尖锐湿疣。Gardasil 9增加了针对额外5种类型HPV(31、33、45、52、58)的免疫保护,这5种类型HPV导致了大约20%的子宫颈癌,此前FDA批准的Gardasil未包括这5种类型HPV。

在美国开展的一项涉及14000例女性(16-26岁)的大型研究结果表明,Gardasil 9在阻断4种共有的HPV类型时与Gardasil具有同等的有效性;此外,研究人员确定,Gardasil 9预防5种额外HPV类型所致癌症的有效性高达97%。在9-15岁青少年(男性1200例,女性2800例)中开展的临床试验证实了Gardasil 9的有效性,数据显示,Gardasil 9在9-15岁青少年中诱导的抗体应答与Gardasil 9在16-26岁女性中诱导的抗体应答类似。Gardasil 9的安全性在大约13000例男性和女性中得到了证实。基于这些数据,FDA批准Gardasil 9用于9-26岁女性及9-15岁男性。

有分析师预计,Gardasil 9的年销售额峰值将达到19亿美元,该疫苗的大部分潜在市场份额将来自Gardasil。预计到2018年,Gardasil的销售额将萎缩至5.25亿美元,该疫苗在2013年的销售额一度高达18.3亿美元。

本周早些时期的一个好消息,也值得默沙东高兴高兴,在青少年女性中开展的一项研究发现,接种HPV疫苗并未导致高风险性行为的增加。

英文原文:FDA approves Gardasil 9 for prevention of certain cancers caused by five additional types of HPV

Merck's ($MRK) Gardasil follow-up is here, meaning blockbuster sales figures are likely on the way. But the bad news is that they'll come at the expense of the world's second-best-selling shot.

On Wednesday, the FDA approved Gardasil 9, which prevents cervical, vulvar, vaginal and anal cancers caused by the four HPV types its predecessor protects against, as well as an additional 5 types--31, 33, 45, 52 and 58--that cause approximately one-fifth of cervical cancers, according to the FDA.

In a study of approximately 14,000 females ages 16 through 26, Gardasil 9 proved as effective as Gardasil at blocking the four shared HPV types, and researchers determined it was 97% effective in preventing cancers caused by the 5 additional types.

While analysts estimate the new vaccine could rake in $1.9 billion a year at its peak, much of its potential market share will come at Gardasil's expense. Leerink has estimated the old vaccine will sink to just $525 million in 2018 sales for the New Jersey pharma giant--a far cry from last year's $1.83 billion tally.

But Merck may be able to amp up Gardasil 9's haul if it can overcome some of the uptake issues that have been plaguing the original shot since it hit the market. A variety of factors, including sex-related stigma, have weighed on sales, leading analysts to revise Gardasil sales predictions that once reached as high as $10 billion.

On that front, however, the company got some good news earlier this week: In a study of teen girls, HPV vaccination didn't lead to an increase in risky sexual activity, a new study showed.




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地板
 楼主| xiaoxiao 发表于 2014-12-12 20:07:56 | 只看该作者
京新药业老年痴呆新药重酒石酸卡巴拉汀片申报临床获受理

                               
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发布日期:2014-12-12  来源:大智慧阿思达克通讯社

国家食品药品监督管理总局(CFDA)网站信息显示,京新药业的重酒石酸卡巴拉汀片申报临床获受理。目前,重酒石酸卡巴拉汀片剂在国内尚无企业获批,胶囊剂仅原研一家生产。

  


                               
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  国家食品药品监督管理总局(CFDA)网站信息显示,京新药业的重酒石酸卡巴拉汀片申报临床获受理。目前,重酒石酸卡巴拉汀片剂在国内尚无企业获批,胶囊剂仅原研一家生产。

      公开资料显示,重酒石酸卡巴拉汀是乙酰胆碱酯酶抑制剂,是用于治疗老年性痴呆的主流药物,原研厂家为诺华公司。试验数据显示,由于不经过肝脏及P450(细胞色素)代谢,重酒石酸卡巴拉汀对轻、中度早老性痴呆症耐受性较好,在欧洲、美国等45个国家进行的一项前瞻性、随机多中心双盲研究中获得了较高的评价。

  CFDA网站信息显示,目前国内重酒石酸卡巴拉汀市场由诺华公司一家垄断。2008年样本医院用药金额440万元,同比增长54%。值得一提的是,除片剂外,京新药业于2013年已申报该药品胶囊剂生产批件,国内正在进行该产品研发的企业还包括华海药业、恩华药业等。

  京新药业主营氟喹诺酮类原料药和心脑血管、消化系统用药制剂,已完成原料药向制剂转型。但目前公司制剂产品较单一,市场看好公司储备品种陆续推出丰富产品线。




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 楼主| xiaoxiao 发表于 2014-12-12 20:09:36 | 只看该作者
海思科3类新药醋酸钾进入待现场检查

                               
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发布日期:2014-12-12  来源:大智慧阿思达克通讯社  

国家食药监总局(CFDA)网站显示,海思科三类新药醋酸钾进入待现场检查,这意味着,该药只需通过生产环境和生产工艺的检验环节即可,有望明年上半年获批。

  


                               
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        国家食药监总局(CFDA)网站显示,海思科三类新药醋酸钾进入待现场检查,这意味着,该药只需通过生产环境和生产工艺的检验环节即可,有望明年上半年获批。

  醋酸钾可补充人体所需的钾离子,用于体液成分和电解质平衡的维持。国家药监局信息显示,目前国内还没有企业生产该药品,同时申报该品种的有恒瑞医药,科伦药业,山西国润制药以及沈阳药联科技。

  海思科主营化药制剂和原料药的生产与销售,国家药监局信息显示,海思科现有近20个新药在申报生产,涉及肠外、肠内营养药、皮肤科、类风湿、内分泌等多个领域。




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6#
 楼主| xiaoxiao 发表于 2014-12-12 20:10:27 | 只看该作者
12月10日-11日CDE重要新药受理一览

                               
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发布日期:2014-12-12  来源:大智慧阿思达克通讯社  


下图为大智慧医药组根据国家食药监总局公开信息整理的12月10日-11日重要新药受理信息,按注册类型排序,供参考。

  


                               
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 楼主| xiaoxiao 发表于 2014-12-12 20:12:16 | 只看该作者
ASH2014:强生血癌药物Imbruvica在高风险CLL群体表现出强大治疗利益

                               
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发布日期:2014-12-12  来源:生物谷  

目前,Imbruvica已获美欧2大市场获批用于2种血癌(CLL和MCL)的治疗,业界预测,该药的销售峰值将突破50亿美元。



                               
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2014年第56届美国血液学会年会(ASH)于12月6日-9日在美国旧金山举行。近日,强生(JNJ)在会上公布了抗癌药Imbruvica(ibrutinib)II期RESONATE-17(PCYC-1117)研究的数据。研究中,144例携带17p删除突变(del 17p)的复发性/难治性慢性淋巴细胞白血病(CLL,n=133)患者和小淋巴细胞淋巴瘤(SLL,n=7)患者接受每日一次Imbruvica单药治疗,直至病情进展。数据显示,在12个月时,研究人员评估的总缓解率(ORR,主要终点)为82.6%,无进展生存率(PFSR)为79%,总生存率为88.3%。截止数据分析时,患者平均治疗持续时间为11.1个月,70%的患者继续接受Imbruvica治疗。染色体异常删除突变del 17p与癌症的恶化和耐药性相关,del 17p删除突变是指17号染色体部分片段丢失,携带该突变的患者被认为预后最差。

RESONATE-17是专门针对携带del 17p突变的CLL和SLL患者群体中开展的全球最大的前瞻性研究,这类患者通常对化疗反应欠佳。MD安德森癌症中心教授Susan O'Brien表示,该项研究令人信服之处不仅在于所观察到的总缓解率数据,还有缓解持续时间;事实上,随访13个月(范围0.5-16.7个月),研究人员评估的缓解持续时间(DOR)还未达到。该研究证实,即使是携带染色体异常删除突变的高风险群体以及既往经一些疗法治疗失败的患者群体,Imbruvica也表现出了强大的临床治疗益处。该项研究的数据与关键III期RESONATETM试验的结果一致。

Imbruvica(ibrutinib)是一种首创的口服布鲁顿酪氨酸激酶(BTK)抑制剂,通过抑制肿瘤细胞复制和转移需要的布鲁顿酪氨酸激酶(BTK)而起到抗癌的作用。BTK是B细胞受体信号复合体中的一种关键信号分子,在恶性B细胞的生存及扩散中起着重要作用。Imbruvica能够阻断介导恶性B细胞不可控地增殖和扩散的信号通路。

在美国,FDA分别于2013年12月、2014年2月和2014年7月批准Imbruvica用于经治套细胞淋巴瘤(MCL)、经治慢性淋巴细胞白血病(CLL)、携带del 17p删除突变的CLL的治疗。在欧盟,EMA于2014年10月批准Imbruvica用于套细胞淋巴瘤(MCL)、经治CLL、携带del 17p或TP53突变CLL的治疗。

业界此前预计,Imbruvica的年销售峰值将突破50亿美元。

英文原文:IMBRUVICA? (ibrutinib) Shows Sustained Progression-Free Survival in Patients with High-Risk Chronic Lymphocytic Leukemia with Genetic Mutation




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 楼主| xiaoxiao 发表于 2014-12-12 20:13:41 | 只看该作者
本帖最后由 xiaoxiao 于 2014-12-12 08:14 PM 编辑

诺华对手Juno计划IPO $1.91亿加速推进CAR-T临床开发


                               
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发布日期:2014-12-12  来源:生物谷  

CAR-T领域竞争进一步加剧,诺华对手Juno计划IPO 1.9亿美金,加速推进其CAR-T临床项目。根据数据,诺华CTL019治疗白血病完全缓解率高达92%,Juno的JCAR015缓解率也高达89%。



嵌合抗原受体-T细胞(CAR-T)疗法代表着当今最先进的肿瘤免疫细胞治疗技术,在相关临床试验中取得了巨大的成功,已成为药品研发最热门的领域之一,也是投资合作的大热点。目前,在CAR-T领域,诺华处于领先地位,其管线中有开发用于白血病、淋巴瘤、间皮瘤和胰腺癌的产品。今年7月,CAR-T免疫疗法CTL019收获FDA突破性疗法认定。根据近日在美国血液学会年会(ASH2014)上公布的数据,CTL019治疗儿科复发/难治急性淋巴细胞白血病(ALL)的缓解率高达92%(n=36/39)。

近日,诺华在CAR-T领域的主要竞争对手——生物技术新贵Juno Therapeutics向美国证券交易委员会(SEC)提交IPO备案,计划筹集1.91亿美元,进一步推进其CAR-T资产的临床开发。根据备案文件,Juno计划投2500万美元将JCAR015推进至监管申请阶段,2000万美元将JCAR017推进至登记试验阶段,4500万美元用于内部研发,2000万美元建立生产运营,其余部分用于一般支出。Juno已计划将公司在纳斯达克股市的交易符号定为“JUNO”。此前,华尔街已对Juno做出了15亿美元估值,使其成为2014年上市的最有价值的生物技术公司。这一估值,给Juno带来了小小的惊喜。

Juno是生物技术领域最热门的初创公司,不到一年连续推出3款CAR-T疗法,已迅速成长为肿瘤免疫学领域的领导者。近日,Juno还从美国国家癌症研究所(NCI)授权获得一种互补性CAR-T产品,标志着该公司CAR-T资产增添了第4种临床CAR-T产品。除了FDA已授予突破性疗法认定的JCAR015,该公司另外2个产品,JCAR017开发用于ALL和NHL,JCAR014目前正处于早期研究开发用于各种B细胞恶性肿瘤。

CAR-T免疫疗法JCAR015治疗急性淋巴细胞白血病(ALL)完全缓解率高达89%!!

目前,Juno公司开发的CAR-T免疫疗法在相关临床试验中已取得了卓越的成绩。根据本周美国血液学会年会(ASH)上公布的数据,JCAR015治疗急性淋巴细胞白血病(ALL)的完全缓解率达到了89%(n=24/27);在令一项研究中,JACR017治疗儿科ALL的完全缓解率达到了85%(n=11/13)。

目前,CAR-T领域的竞争也非常激烈,除诺华和Juno外,该领域其他跟进者包括凯特药业(Kite Pharma)、基因治疗先驱蓝鸟生物(Bluebird bio)、生物技术巨头新基(Celgene)。今年6月,辉瑞与Cellectis签署高达29亿美元协议宣布进入CAR-T领域,蓝鸟生物7月收购Pregenen意在进一步奠定CAR-T领域地位。而强生(JNJ)在11月与Transposagen签署3亿美元合作,也宣布进军CAR-T领域。

关于CAR-T疗法:

嵌合抗原受体T细胞疗法(CAR-T)是应用患者自体T细胞的个性化治疗方法,患者的T细胞通过基因工程修饰,加上一个嵌合蛋白,经过体外扩增后输至病人体内。经过嵌合蛋白修饰的T细胞识别攻击带有特定抗原的肿瘤细胞并引发免疫反应从而达到治疗效果。

英文原文:Juno preps an IPO worth up to $191M amid CAR-T fever pitch

Juno Therapeutics, whose approach to treating cancer has turned heads around the industry, has set terms for its highly anticipated IPO, looking to raise as much as $191 million as it works to train the immune system to better fight tumors.

In a filing with the SEC, the Seattle biotech laid out plans to offer about 9.3 million shares at a range of $15 to $18 each. Juno expects to give its underwriters--Morgan Stanley, J.P. Morgan, Goldman Sachs and Leerink Partners--an option to buy roughly 1.4 million extra shares. At the midpoint of its expected range, Juno would hit Wall Street with a $1.5 billion market cap, making it the most valuable biotech to go public in 2014, according to Renaissance Capital. The company is slated to trade on the Nasdaq under the symbol "JUNO."

Such a valuation comes as little surprise. Juno, a 2014 Fierce 15 honoree, is a leader among companies developing treatments that promise to change the standard of care for blood cancers. The biotech's candidates are CAR-T immunotherapies, made through a process in which scientists remove T cells from a patient's blood and equip them with targeting mechanisms called chimeric antigen receptors (CARs), which seek out and bind to proteins expressed by cancer cells. The resulting cells are reinjected into the patient, at which point they track down malignancies and attack them as they would any commonplace infection.

Juno's lead prospect, JCAR015, is a treatment for acute lymphoblastic leukemia (ALL), the stellar Phase I results of which led the FDA to grant a breakthrough therapy designation last month, promising an expedited regulatory review. Behind that is JCAR017, in development for ALL and non-Hodgkin lymphoma (NHL), followed by JCAR014, which is undergoing early studies on various B cell malignancies. And last week, Juno expanded its pipeline by licensing another CAR-T candidate developed by the National Cancer Institute and currently in Phase I development for ALL and NHL.

The company plans to spend $25 million of its IPO windfall on getting JCAR015 to the filing stage, $20 million to take JCAR017 to registration trials, $45 million on internal R&D, $20 million on setting up a manufacturing operation and the rest on general expenses, according to its filing.

Juno continues to churn out excellent early results with its therapies, including complete remission rates nearing 90% in blood cancers noted for their particularly grim prognoses. In results released at the American Society of Hematology this week, JCAR015 spurred 24 of 27 (89%) ALL patients to complete remission, and, in a separate study, JCAR017 led to a complete remission rate of 85% among 13 pediatric patients with the same cancer.

The biotech's chief competitor is Novartis ($NVS), which is developing a similarly promising Phase I CAR-T therapy alongside the University of Pennsylvania. The suddenly crowded space also includes Kite Pharma ($KITE), which grossed more than $140 million in a June IPO on the strength of its approach to T cell modification, and oncology heavyweight Celgene ($CELG), which reached out to gene therapy pioneer bluebird bio ($BLUE) to get to work in CAR-T. Bellicum Pharmaceuticals, angling to raise $115 million in an IPO of its own, is developing preclinical CAR-T assets, and latecomers Johnson & Johnson ($JNJ) and Pfizer ($PFE) shouldered into the space with with high-dollar deals earlier this year.




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 楼主| xiaoxiao 发表于 2014-12-12 20:16:26 | 只看该作者
ASH2014:Juno公布CAR-T疗法一揽子激动人心数据

                               
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近日,CAR-T领域诺华强有力的竞争对手——生物技术新贵Juno Therapeutics在会上公布了管线中3种CAR-T疗法JCAR017、JCAR015、JCAR014在多个临床试验中获得的激动人心的数据。


近日,CAR-T领域诺华强有力的竞争对手——生物技术新贵Juno Therapeutics在会上公布了管线中3种CAR-T疗法JCAR017、JCAR015、JCAR014在多个临床试验中获得的激动人心的数据。不过,诺华CAR-T免疫疗法CTL019也展现出了治疗白血病的巨大潜力。根据近日在美国血液学会年会(ASH2014)上公布的数据,CTL019治疗儿科复发/难治急性淋巴细胞白血病(ALL)的缓解率高达92%(n=36/39)。

Juno公司在ASH年会上公布的3种CAR-T临床表现:

1、在复发/难治急性淋巴细胞白血病(ALL)成人患者中开展的一项I期临床试验数据显示,经JCAR015治疗后,完全缓解率高达89%(n=24/27),完全分子缓解率为88%(n=21/24)。目前该项研究正在进行中,中位总生存期(OS)为8.5个月。

2、在复发/难治B细胞非霍奇金淋巴瘤(NHL)患者中开展的一项I期临床试验数据显示,经JACR015治疗后,平均随访9个月(范围1-17.5),患者存活率为100%(n=6/6),有2例患者接受治疗后一年多仍存活着。

3、在复发/难治儿科急性淋巴细胞白血病(ALL)患者中开展的I期临床试验数据显示,经JCAR017治疗后,完全缓解率为85%(n=11/13),这11例患者均证实体内存在CAR-T细胞扩增(CAR+T细胞平均峰值478个/微升[范围3-1288]发生于输注后7-10天),6例患者CAR-T细胞持久性超过40天。

4、在复发/难治急性淋巴细胞白血病(ALL)、非霍奇金淋巴瘤(NHL)、慢性淋巴细胞白血病(CLL)患者中开展的一项I期临床试验数据显示,经JACR014治疗后,NHL患者缓解率为60%(n=6/10);CLL患者缓解率为100%(n=2/2);ALL患者完全缓解率为100%(n=11/11),完全分子缓解率为82%(n=9/11)。

5、在移植后高风险急性髓细胞白血病(ALL)患者中开展的一项I/II期临床试验数据显示,WT-1特异性T细胞一般耐受性良好,输注WT-1 T细胞后,87%(n=13/15)的患者在平均随访18个月仍然存活,80%(n=12/15)的患者自最后一次输注后随访(5-368天)可持续检测到WT-1 T细胞。

CAR-T领域:诺华 vs Juno

嵌合抗原受体-T细胞(CAR-T)疗法代表着当今最先进的肿瘤免疫细胞治疗技术,在相关临床试验中取得了巨大的成功,已成为药品研发最热门的领域之一,也是投资合作的大热点。目前,在CAR-T领域,诺华处于领先地位,其管线中有开发用于白血病、淋巴瘤、间皮瘤和胰腺癌的产品。今年7月,CAR-T免疫疗法CTL019收获FDA突破性疗法认定。根据近日在美国血液学会年会(ASH2014)上公布的数据,CTL019治疗儿科复发/难治急性淋巴细胞白血病(ALL)的缓解率高达92%(n=36/39)。

Juno是生物技术领域最热门的初创公司,不到一年连续推出3款CAR-T疗法,已迅速成长为免疫肿瘤学领域的领导者。近日,Juno还从美国国家癌症研究所(NCI)授权获得一种互补性CAR-T产品,标志着该公司CAR-T资产增添了第4种临床CAR-T产品。除了FDA已授予突破性疗法认定的JCAR015,该公司另外2个产品,JCAR017开发用于ALL和NHL,JCAR014目前正处于早期研究开发用于各种B细胞恶性肿瘤。

英文原文:Juno preps an IPO worth up to $191M amid CAR-T fever pitch

Juno Therapeutics, whose approach to treating cancer has turned heads around the industry, has set terms for its highly anticipated IPO, looking to raise as much as $191 million as it works to train the immune system to better fight tumors.

In a filing with the SEC, the Seattle biotech laid out plans to offer about 9.3 million shares at a range of $15 to $18 each. Juno expects to give its underwriters--Morgan Stanley, J.P. Morgan, Goldman Sachs and Leerink Partners--an option to buy roughly 1.4 million extra shares. At the midpoint of its expected range, Juno would hit Wall Street with a $1.5 billion market cap, making it the most valuable biotech to go public in 2014, according to Renaissance Capital. The company is slated to trade on the Nasdaq under the symbol "JUNO."

Such a valuation comes as little surprise. Juno, a 2014 Fierce 15 honoree, is a leader among companies developing treatments that promise to change the standard of care for blood cancers. The biotech's candidates are CAR-T immunotherapies, made through a process in which scientists remove T cells from a patient's blood and equip them with targeting mechanisms called chimeric antigen receptors (CARs), which seek out and bind to proteins expressed by cancer cells. The resulting cells are reinjected into the patient, at which point they track down malignancies and attack them as they would any commonplace infection.

Juno's lead prospect, JCAR015, is a treatment for acute lymphoblastic leukemia (ALL), the stellar Phase I results of which led the FDA to grant a breakthrough therapy designation last month, promising an expedited regulatory review. Behind that is JCAR017, in development for ALL and non-Hodgkin lymphoma (NHL), followed by JCAR014, which is undergoing early studies on various B cell malignancies. And last week, Juno expanded its pipeline by licensing another CAR-T candidate developed by the National Cancer Institute and currently in Phase I development for ALL and NHL.

The company plans to spend $25 million of its IPO windfall on getting JCAR015 to the filing stage, $20 million to take JCAR017 to registration trials, $45 million on internal R&D, $20 million on setting up a manufacturing operation and the rest on general expenses, according to its filing.

Juno continues to churn out excellent early results with its therapies, including complete remission rates nearing 90% in blood cancers noted for their particularly grim prognoses. In results released at the American Society of Hematology this week, JCAR015 spurred 24 of 27 (89%) ALL patients to complete remission, and, in a separate study, JCAR017 led to a complete remission rate of 85% among 13 pediatric patients with the same cancer.

The biotech's chief competitor is Novartis ($NVS), which is developing a similarly promising Phase I CAR-T therapy alongside the University of Pennsylvania. The suddenly crowded space also includes Kite Pharma ($KITE), which grossed more than $140 million in a June IPO on the strength of its approach to T cell modification, and oncology heavyweight Celgene ($CELG), which reached out to gene therapy pioneer bluebird bio ($BLUE) to get to work in CAR-T. Bellicum Pharmaceuticals, angling to raise $115 million in an IPO of its own, is developing preclinical CAR-T assets, and latecomers Johnson & Johnson ($JNJ) and Pfizer ($PFE) shouldered into the space with with high-dollar deals earlier this year.




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 楼主| xiaoxiao 发表于 2014-12-12 20:18:33 | 只看该作者
BMS联手2家日企开发免疫鸡尾酒疗法Opdivo/mogamulizumab

                               
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PD-1/PD-L1免疫疗法竞争异常激烈,百时美近日联合小野和协和发酵麒麟,合作开发免疫鸡尾酒疗法Opdivo/mogamulizumab。此前,阿斯利康也与协和发酵麒麟达成合作,开发2种免疫鸡尾酒疗法。









目前,PD-1/PD-L1免疫疗法竞争异常激烈,该领域的佼佼者默沙东、百时美施贵宝、罗氏、阿斯利康均在火速推进各自的临床项目。继昨日默沙东联手安进合作开发免疫鸡尾酒疗法T-vec/Keytruda,近日百时美施贵宝(BMS)也与日本小野制药(Ono Pharmaceutical)、协和发酵麒麟(Kyowa Hakko Kirin)达成临床试验合作协议,计划开展一项I期临床试验,调查PD-1免疫检查点抑制剂Opdivo(nivolumab)和抗CCR4单抗mogamulizumab组合疗法。该研究将在日本开展,侧重评估Opdivo/mogamulizumab免疫鸡尾酒作为一种潜在的治疗方案,用于治疗晚期或转移性实体瘤的安全性、耐受性和抗肿瘤活性。

Opdivo于2014年9月在日本上市,是全球获批的首个PD-1免疫疗法,首个适应症为晚期黑色素瘤。目前,百时美施贵宝正在全球范围内开展50多个临床试验,评估Opdivo用于多种类型肿瘤的治疗。mogamulizumab于2012年5月在日本上市,用于治疗复发性/难治性CCR4阳性成人T细胞白血病淋巴瘤(ATL),并在2014年3月扩大适应症用于复发性/难治性CCR4阳性外周T细胞淋巴瘤(PTCL)和皮肤T细胞淋巴瘤(CTCL)的治疗。在美国和欧盟,评估mogamulizumab治疗ATL、PTCL、CTCL的相关临床试验正在进行中。

Opdivo和mogamulizumab均属于名为肿瘤免疫疗法的新一类抗癌药物,旨在通过靶向免疫系统中特定的调控元件,利用人体自身的免疫系统攻击肿瘤。Opdivo能够结合至活化T细胞上表达的免疫检查点受体PD-L1,阻断该通路使免疫系统攻击肿瘤。mogamulizumab则可以抑制帮助肿瘤逃逸免疫系统监视的某些免疫细胞。这2种药物各自的临床前证据表明,Opdivo/mogamulizumab免疫鸡尾酒疗法可能能够增强抗肿瘤免疫应答。

百时美施贵宝表示,与小野制药和协和发酵麒麟的合作,将进一步完善Opdivo广泛的临床项目,将推动对Opdivo/mogamulizumab免疫鸡尾酒疗法的了解,同时也是公司致力于开发免疫组合疗法用于转移性癌症患者的一个例子。

该I期研究将由小野制药和协和发酵麒麟开展,进一步的合作细节尚未披露。早在今年7月,百时美已与小野制药达成了一项免疫肿瘤学战略合作,联合开发和商业化PD-1免疫检查点抑制剂Opdivo和CTLA-4免疫检查点抑制剂Yervoy(易普利姆玛),同时开发以Opdivo为基础的组合疗法用于广泛类型的肿瘤。此次合作,将显著提升百时美免疫肿瘤学产品组合在全球范围内的潜在价值,尤其是亚洲地区。另外,阿斯利康今年7月也与协和发酵麒麟达成了战略合作,开发2种免疫鸡尾酒疗法。

关于PD-1/PD-L1免疫疗法:

癌细胞可利用“调节子(regulator)”途径,如检查点(checkpoint)途径,逃避机体免疫系统的侦察,从而保护肿瘤免受免疫系统的攻击。PD-1/PD-L1免疫疗法是当前备受瞩目的新一类抗癌免疫疗法,旨在利用人体自身的免疫系统抵御癌症,通过阻断PD-1/PD-L1信号通路使癌细胞死亡,具有治疗多种类型肿瘤的潜力,有望实质性改善患者总生存期(OS)。该领域的佼佼者——默沙东、百时美施贵宝、阿斯利康、罗氏均在火速推进各自的临床项目,调查单药疗法和组合疗法用于多种癌症的治疗,以彻底发掘该类药物的最大临床潜力。

此次竞赛中,百时美和默沙东稍微领先。百时美的PD-1抑制剂Opdivo(nivolumab)于今年7月获日本批准,是全球批准的首个PD-1抑制剂;而默沙东的PD-1抑制剂Keytruda(pembrolizumab)于今年9月初获FDA批准,是美国批准的首个PD-1抑制剂;这2种药物获批的首个适应症均为黑色素瘤。阿斯利康和罗氏的PD-L1抑制剂也已处于III期临床。

英文原文:Ono Pharmaceutical, Bristol-Myers Squibb and Kyowa Hakko Kirin Announce Immuno-oncology Clinical Collaboration Studying Opdivo (nivolumab) and Mogamulizumab in Advanced Solid Tumors

TOKYO & OSAKA, Japan & NEW YORK--(BUSINESS WIRE)--Ono Pharmaceutical Co.,Ltd. (Tokyo: 4528), Bristol-Myers Squibb Company (NYSE:BMY) and Kyowa Hakko Kirin Co., Ltd. (Tokyo: 4151,“Kyowa Hakko Kirin”) announced today the companies have entered into a clinical trial collaboration agreement to conduct a Phase 1 combination study with Opdivo (nivolumab), a PD-1 immune checkpoint inhibitor, and mogamulizumab, an anti-CCR4 antibody. The study, which will be conducted in Japan, will focus on evaluating the safety, tolerability and anti-tumor activity of combining Opdivo and mogamulizumab as a potential treatment option for patients with advanced or metastatic solid tumors.

Opdivo, launched in Japan in September 2014 for the treatment of patients with unresectable melanoma, is being developed in multiple tumor types in more than 50 clinical trials worldwide. Mogamulizumab was launched in Japan in May 2012 for the treatment of relapsed or refractory CCR4-positive Adult T-cell Leukemia-Lymphoma (ATL), and granted the indication expansion in March 2014 for relapsed or refractory CCR4-positive Peripheral T-Cell Lymphoma (PTCL) and Cutaneous T-Cell Lymphoma (CTCL). Clinical trials with mogamulizumab in ATL, PTCL, and CTCL are ongoing in the U.S., European unio (EU) and other countries.

Opdivo and mogamulizumab are part of a new class of cancer treatments known as immunotherapies, which are designed to harness the body’s own immune system in fighting cancer by targeting distinct regulatory components of the immune system. Opdivo binds to the checkpoint receptor PD-1 expressed on activated T-cells, blocking this pathway and enabling the immune system to attack tumors, while mogamulizumab can suppress some of the immune cells that shield the tumor from the immune system. Pre-clinical evidence for each therapy suggests the combination of Opdivo and mogamulizumab may lead to an enhanced anti-tumor immune response compared to either agent alone.

“Studying combination regimens of immunotherapies offers the opportunity to explore the potential of enhanced efficacy compared to current standards of care in treating cancer,” said Hiroshi Awata, Member of the Board of Directors, Vice President Executive Officer/ Executive Director, Clinical Development & Clinical Development Planning, Ono. “We are delighted to be able to pursue the possibility of immunotherapies through this collaboration with Kyowa Hakko Kirin. We believe that there is a strong rationale to explore the combination of Opdivo and mogamulizumab with the goal of identifying a new treatment option for these cancer patients.”

“Our collaboration with Kyowa Hakko Kirin further complements the broad clinical development program for Opdivo, will advance our understanding of the combination of Opdivo and mogamulizumab, and is an example of our commitment to develop combination immuno-oncology regimens for patients with metastatic cancer,” stated Michael Giordano, senior vice president, Head of Development, Oncology, Bristol-Myers Squibb.

“It is exciting for us to build a partnership with Ono and Bristol-Myers Squibb in immuno-oncology,” said Yoichi Sato, Managing Executive Officer, Vice President, Head of Research and Development Division of Kyowa Hakko Kirin. “The planned combination study will help determine whether the combination of these two immunotherapies can deliver better outcomes in patients with advanced cancers.”

The study will be conducted by Ono and Kyowa Hakko Kirin. Additional details of the collaboration were not disclosed.

about Opdivo (nivolumab)

Cancer cells may exploit “regulatory” pathways, such as checkpoint pathways, to hide from the immune system and shield the tumor from immune attack. Opdivo is an investigational, human PD-1 immune checkpoint inhibitor that binds to the checkpoint receptor PD-1 expressed on activated T-cells.

Opdivo is being studied across multiple tumor types in more than 50 trials – as monotherapy or in combination with other therapies – in which more than 7,000 patients have been enrolled worldwide. Among these are several potentially registrational trials in non-small cell lung cancer (NSCLC), melanoma, renal cell carcinoma (RCC), head and neck cancer, glioblastoma and non-Hodgkin lymphoma (NHL).

In 2012, the FDA granted Fast Track designation for Opdivo in NSCLC, melanoma and RCC. In April 2014, the company initiated a rolling submission with the FDA for Opdivo in third-line pre-treated squamous cell NSCLC and expects to complete the submission by year-end. The FDA granted Opdivo Breakthrough Therapy Designation in May 2014 for the treatment of patients with Hodgkin lymphoma after failure of autologous stem cell transplant and brentuximab. On July 4, Ono Pharmaceutical Co. announced that Opdivo received manufacturing and marketing approval in Japan for the treatment of patients with unresectable melanoma and launched on September 2, making Opdivo the first PD-1 immune checkpoint inhibitor approved and launched anywher in the world. On September 26, Bristol-Myers Squibb announced that the FDA accepted for priority review the Biologics License Application for previously treated advanced melanoma, and the Prescription Drug User Fee Act goal date for a decision is March 30, 2015. The FDA also granted Opdivo Breakthrough Therapy status for this indication. In the EU, the European Medicines Agency (EMA) has validated for review the Marketing Authorization Application (MAA) for Opdivo in advanced melanoma. The application has also been granted accelerated assessment by the EMA’s Committee for Medicinal Products for Human Use. The EMA also validated for review the MAA for Opdivo in NSCLC.

about Mogamulizumab

Mogamulizumab (Brand name: POTELIGEO®) is a novel, humanized mAb directed against CC chemokine receptor type 4 (CCR4). Engineered by Kyowa Hakko Kirin's unique POTELLIGENT® Technology, the antibody is designed to kill its target cells through potent antibody-dependent cellular cytotoxicity. Mogamulizumab was launched in Japan in May 2012 for the treatment of patients with relapsed or refractory CCR4-positive adult T-cell leukemia-lymphoma (ATL). The drug was approved for indication expansion and was granted marketing authorization in Japan for the treatment of patients with relapsed or refractory CCR4-positive, peripheral T-cell lymphoma (PTCL) and cutaneous T-cell lymphoma (CTCL) in March 2014. Clinical trials with mogamulizumab in ATL, PTCL, and CTCL are ongoing in the US, EU and other countries.




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