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Daklinza Tablets(Daclatasvir Hydrochloride,ダクルインザ錠60mg)

2014-09-03 09:31:38  作者:新特药房  来源:互联网  浏览次数:2460  文字大小:【】【】【
简介: Daklinza Tablets(Daclatasvir Hydrochloride)用于治疗丙型肝炎病毒(HCV)基因1型感染者为抗病毒药剂/HCV NS5A复制复合体抑制剂欧文商標名Daklinza Tablets一般名 ダクラタスビル塩酸塩 一般名(欧 ...

英文药名:Daklinza Tablets(Daclatasvir Hydrochloride)

中文药名:盐酸达卡他韦片

生产厂家:Bristol-Myers Squibb
药品简介
Daklinza Tablets(Daclatasvir Hydrochloride)用于治疗丙型肝炎病毒(HCV)基因1型感染者为抗病毒药剂/HCV NS5A复制复合体抑制剂。

ダクルインザ錠60mg

药物分类名称
抗病毒药/HCV NS5A复制复合抑制剂
批准日期:2014年9月
欧文商標名
Daklinza Tablets
一般名:
ダクラタスビル塩酸塩(Daclatasvir Hydrochloride)
化学名:
Dimethyl N,N ’-([1,1’-biphenyl]-4,4’-diylbis{1H-imidazole-5,2-diyl-[(2S)-pyrrolidine-2,1-diyl][(1S)-3-methyl-1-oxobutane-1,2-diyl]})dicarbamate dihydrochloride
分子式:
C40H50N8O6・2HCl
分子量:
811.80
構造式:

性状:
盐酸达卡他韦是一种白色至黄色粉末。 易溶于水或二甲基亚砜,微溶于乙醇(99.5)。
批准条件
制定药品风险管理计划,适当实施
药效药理
1. 作用机序
Daclatasville是HCV NS5A复制复合物的有效和选择性抑制剂。 HCV NS5A是涉及HCV复制和细胞内信号传导途径调节的多功能蛋白。
2. 抗病毒活性
Daclatasville在HCV复制子测定中对广泛的基因型具有影响。 对于基因型1a和1b,EC50值分别显示0.003至0.050nmol/L和0.001至0.009nmol/L的强抑制作用。 此外,其对基因型2a的EC 50值为0.034〜19nmol/L显示出抑制作用。
在使用HCV复制子测定的组合研究中,达克拉他维尔与阿斯匹克和干扰素α组合显示出添加剂或协同效应。
3. 药剂耐药性
在临床试验中共同施用达卡他韦盐酸盐和Asunaprevir靶向患有慢性丙型肝炎基因型1b中,在患者体内,一个无效的时间,一般耐取代达卡他韦(对NS5A-Y93和/或L31没有达到SVR24同时检测替硝唑(替代NS3-D168)的抗性替代物。
作为在Daclatasville存在下培养HCV复制子细胞的结果,发生对Daclatasville的抗性。作为基因型分析的结果,在NS5A的1至100个氨基酸中观察到显示针对Daclatasville的抗性表型的多个取代。对于基因型1b,在L31和Y93的氨基酸残基的频率观察到高电阻置换,氨基酸的情况下换人一个位置,EC50值小于30倍的野生型,在这两个位置的酸如果有替代(例如L31 V - Y 93 H),EC 50值超过野生型的1000倍。
4. 交差耐性
具有Daclatasville耐药替代品的HCV复制子对阿斯匹克,聚乙二醇化干扰素α具有足够的敏感性。
适应病症
慢性丙型肝炎或C型肝硬化血清群1(基因型1)病毒血症的改善
用法与用量
成人每天一次接受60毫克每日一次,作为daclatasville一次。
该药与阿斯匹韦联合使用,给药期为24周。
包装规格
片剂
60毫克:14片(14片×1)PTP


制造厂商
百时美施贵宝有限公司
提示,以上中文资料不够完整,使用者以原处方资料为准。
完整说明书附件:http://www.info.pmda.go.jp/go/pack/6250040F1020_1_18/
Daklinza Tablets 60mg(Daclatasvir Hydrochloride ダクルインザ錠60mg) 
Brand name : Daklinza Tablets 60mg
 Active ingredient: Daclatasvir Hydrochloride
 Dosage form: pale green pentagonal-shaped tablet, perpendicular: 9.1 mm, thickness: 4.6 mm
 Print on wrapping: ダクルインザ錠 60 mg, BMS215, 1日1回服用, Daklinza, 60 mg
Effects of this medicine
This medicine inhibits protein (NS5A replication complex) involved in hepatitis C virus replication, and shows suppression effects on the proliferation of hepatitis C virus (antiviral effects). This medicine is used concomitantly with asunaprevir.
It is usually used to treat chronic hepatitis C and compensated cirrhosis type C.
Before using this medicine, be sure to tell your doctor and pharmacist
•If you have previously experienced any allergic reactions (itch, rash, etc.) to any medicines.
If you have liver dysfunction (referred to the precaution of concomitant medicine, asunaprevir).
•If you are pregnant, possibly pregnant or breastfeeding.
•If you are taking any other medicinal products. (Some medicines may interact to enhance or diminish medicinal effects. Beware of over-the-counter medicines and dietary supplements as well as other prescription medicines.)
Dosing schedule (How to take this medicine)
•Your dosing schedule prescribed by your doctor is <<to be written by a healthcare professional>>
•In general, for adults, take 1 tablet (60 mg as daclatasvir) at a time, once a day. It is used concomitantly with asunaprevir 100 mg, and duration of medication is 24 weeks. Strictly follow the instructions.
•If you missed a dose, and if you have more than 4 hours interval for the next dose, take the missed dose as soon as possible and continue your regular dosing schedule. If it is less than 4 hours interval for the next dose, skip the missed dose and continue your regular dosing schedule. You should never take two doses at one time.
•If you accidentally take more than your prescribed dose, consult with your doctor or pharmacist.
•Do not stop taking this medicine unless your doctor instructs you to do so.
Precautions while taking this medicine
•Avoid taking any food containing St. John's wort, as it may decrease the blood level of the medicine and diminish the effects of this medicine.
Possible adverse reactions to this medicine
The most commonly reported adverse reactions include headache and fever. If any of these symptoms occur, consult with your doctor or pharmacist.
The symptoms described below are rarely seen as initial symptoms of the adverse reactions indicated in brackets. If any of these symptoms occur, see your doctor immediately.
•general malaise, nausea, vomiting, itching, yellow discoloration of the white of eyes/skin/urine [liver dysfunction, hepatic failure]
•round or oval red rash, fever, joint pain [erythema multiforme]
•bleeding tendency (nose bleeding, gum bleeding, subcutaneous hemorrhage), bruise [decreased platelet count]
•fever, dry cough, breathing difficulty [interstitial pneumonia]
The above symptoms do not describe all the adverse reactions to this medicine. Consult with your doctor or pharmacist if you notice any symptoms of concern other than those listed above.
Storage conditions and other information
•Keep out of the reach of children. Store away from direct sunlight, heat and moisture.
•Discard the remainder. Do not store them. Ask the pharmacy or medical institution how to discard them.
Bristol-Myers K.KInternal
Revised: 10/2015
The information on this sheet is based on approvals granted by the Japanese regulatory authority. Approval details may vary by country. Medicines have adverse reactions (risks) as well as efficacies (benefits). It is important to minimize adverse reactions and maximize efficacy. To obtain a better therapeutic response, patients should understand their medication and cooperate with the treatment.

日本首次批准daclatasvir+asunaprevir丙肝全口服方案
百时美施贵宝公司7月7日发布消息称,日本卫生劳动福利部已经批准该公司出品的daclatasvir(Daklinza)+asunaprevir(Sunvepra)联合用药,用于治疗丙型肝炎病毒(HCV)基因1型感染者,其中还包括治疗那些出现代偿性肝硬化的患者。
daclatasvir是一种强效、全基因型NS5A复制复合体抑制剂;而asunaprevir则是一种NS3/4A蛋白酶抑制剂。在日本,这两种药物组合是第一个正式批准用于治疗HCV感染的无干扰素、无利巴韦林全口服用药方案。
百时美施贵宝公司在新闻发布会上称,日本丙肝携带者中约70%感染病毒类型为HCV基因1b型。日本广岛大学Kazuaki Chayama博士表示,目前日本存在一个独特的HCV患者人群,当中许多人年龄较大、对传统治疗方法不能耐受或无应答反应。因此,现在亟需对这部分人群寻求一种有效的治疗方案。
Chayama博士认为,daclatasvir+asunaprevir联合用药方案获得日本官方正式批准,对于日本国内许多这样的HCV感染者而言,首次得到了一种新的用药选择。
在日本,daclatasvir+asunaprevir组合用药方案适用人群为慢性HCV基因1型感染合并或不合并代偿性肝硬化患者,这些患者不能耐受或不适用干扰素为基础的治疗方案,抑或对含干扰素治疗方案无应答反应;该用药组合旨在改善这部分人群的病毒血症情况。
Chayama博士带领的研究小组对此开展一项III期临床试验。结果显示,日本HCV基因1型感染者接受daclatasvir+asunaprevir方案治疗,有84.7%的患者在治疗结束后24周达到持续病毒学应答(SVR24)。
65岁以上不能耐受或不适用干扰素方案的丙肝患者中,有91.9%的患者接受该方案治疗后达到SVR24;基线时出现代偿性肝硬化的患者中,总体达到SVR24比例为90.9%。
研究对象中仅有5%患者因为不良反应而中断治疗。其中,严重不良反应事件发生率较低(5.9%),几乎没有严重不良反应发生超过1例患者。总体来看,鼻咽炎是最常见的不良反应(30.2%)。
美国食品和药物管理局(FDA)于2014年2月审批通过daclatasvir+asunaprevir组合方案,并将该方案认定作为突破性疗法,指定用于治疗HCV基因1b型感染。
目前,同时开展的研究也有对不同患者人群应用daclatasvir+ sofosbuvir(Sovaldi,吉列德科技公司出品),观察这种新组合方案的疗效。研究人群包括肝移植前/后患者、HIV/HCV合并感染者、HCV基因3型感染者。

责任编辑:admin


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