药物QT间期延长潜在作用非临床研究技术指导原则(国家食药监总局通告2014年第4号) .. ...

2023-3-7 12:35| 发布者: 启疾光| 查看: 963| 评论: 0|来自: 国家药监局

摘要: 本指则适用于中药、天然药物和化学药物。主要是关于评价受试物延迟心室复极化潜在作用的非临床研究策略,以及对非临床研究信息的分析和综合风险性评估。QT间期研究结果可以和其他信息一起,用来阐明药物作用机制,以 ...


致心律失常作用试验检测的心肌离子通道

通道

种类

阳性对照

(参考)

参考文献

Cav1.2 (L-type)

尼非地平(Nifedipine)

Shen J et al  Comparison of L-type calcium channel blockade by nifedipine and/or cadmium in guinea pig ventricular myocytes  JPET, 2000294:562–70

Zahradnık I, Minarovic, I and Zahradnıkova A  Inhibition of the cardiac L-typec calcium channel currentby antidepressant drugs  JPET,2008324:977–84

hERG

西沙必利(Cisapride)

或特非那定(Terfenadine)

Helliwell R, Recording hERG potassium currents and assessing the effects of compounds using the whole-cell patch-clamp technique  Jonathan D  Lippiat (ed ), Methods in Molecular Biology, Potassium Channels, 2008491: 279–95

Kamiya K et al  Molecular determinants of hERG channel block by terfenadine and cisapride  J Pharmacol Sci,2008108:301-7

Gintant GA et al  Utility of hERG assays as surrogate markers of delayed cardiac repolarization and QT safety  ToxicolPathol, 200634:81-90

Kv1.5

4-氨基吡啶(4-Aminopyridine4-AP)

De Biasi M et al  Open channel block of human heart hKv1 5 by the beta-subunit hKv beta 1 2  Am J Physiol  1997  272: H2932-41 Lagrutta A et al Novel, potent inhibitors of human Kv1 5 K+ channels and ultrarapidly activating delayed rectifier potassium current JPET,2006;317:1054-63

Kv4.3

氟卡尼(又名哌氟酰胺,Fleca-

inide)

4-AP

Radicke S et al  Effects of MiRP1 and DPP6 β-subunits on the blockade induced by flecainide of KV4 3/KchIP2 channels  Br J Pharmacol  2008, 154: 774–86

Fischer F et al  Inhibition of cardiac Kv1 5 and Kv4 3 potassium channels by the class Ia anti-arrhythmic ajmaline: mode of action  Naunyn Schmiedebergs Arch Pharmacol, 2013, online, Jul

KvLQT1/minK

二乙酰醇293B (Chromanol-293B)

Yang WP et al  KvLQT1, a voltage-gated potassium channel responsible forhuman cardiac arrhythmias  PNAS, 1997; 94:4017- 4021

Seebohm G et al  Molecular determinants of KCNQ1 channel block by a benzodiazepine Mol Pharmacol, 2003, 64:70-7

Nav1.5

利多卡因(Lidocaine)

Wu L et al  Role of late sodium current in modulating the proarrhythmic and antiarrhythmic effects of quinidine Heart Rhythm, 20085: 1726-34

McNulty, MM  andHanck ,DA  State-dependent mibefradil block of Na+ channels  Mol Pharmacol, 2004 66:1652-61

Kir2.1

(Barium)或氯喹(Chloroquine)

 

Rodriguez-Menchaca AA et al , The molecular basis of chloroquine block of the inward rectifier Kir2 1 channel  PNAS, 2008105:1364-8

Schram G et al Barium block of Kir2 and human cardiac inward rectifier currents:evidence for subunit-heteromeric contribution to native currents  Cardiovasc Res, 2003, 59: 328-38

观察记录上述所有离子通道的相关试验建议在GLP实验室进行

 



路过

雷人

握手

鲜花

鸡蛋


本站信息仅供参考,不能作为诊断医疗依据,所提供文字图片视频等信息旨在参考交流,如有转载引用涉及到侵犯知识产权等问题,请第一时间联系我们处理

在线客服|关于我们|移动客户端 | 手机版|电子书籍下载|中医启疾光网 (鄂ICP备20008850号 )

Powered by Discuz! X3.5 © 2001-2013 Comsenz Inc. Designed by zyqjg.com

版权

返回顶部