CN Patent

CN101229148A — 硝酸甘油口腔(舌下)崩解片的制剂及其制备方法

Assigned to Tianjin Medical University · Expires 2008-07-30 · 18y expired

What this patent protects

本发明是一种硝酸甘油口腔(舌下)崩解片的制剂及其制备方法,采用水溶性辅料为主,其制剂在遇到唾液时即能迅速崩解并且辅料大部分溶解,可迅速经舌下黏膜吸收进入体循环。本发明主药是硝酸甘油无水乙醇溶液(含量10%),主药含量以乳糖和木糖醇混合物每10g计,为0.8~0.9ml;辅料包括微晶纤维素101、低取代羟丙基纤维素、崩解剂、乳糖、木糖醇、PVP 30 的醇溶液、硬脂酸镁。本发明采用湿法制粒压片法,结合空白颗粒法,将空白颗粒与含药颗粒分别制粒后混合,改变了过去在空白颗粒上喷药包裹的传统制备方法,提高了药物稳定性;调节压片机的压力为1~3Kg,压制成的片剂,使…

USPTO Abstract

本发明是一种硝酸甘油口腔(舌下)崩解片的制剂及其制备方法,采用水溶性辅料为主,其制剂在遇到唾液时即能迅速崩解并且辅料大部分溶解,可迅速经舌下黏膜吸收进入体循环。本发明主药是硝酸甘油无水乙醇溶液(含量10%),主药含量以乳糖和木糖醇混合物每10g计,为0.8~0.9ml;辅料包括微晶纤维素101、低取代羟丙基纤维素、崩解剂、乳糖、木糖醇、PVP 30 的醇溶液、硬脂酸镁。本发明采用湿法制粒压片法,结合空白颗粒法,将空白颗粒与含药颗粒分别制粒后混合,改变了过去在空白颗粒上喷药包裹的传统制备方法,提高了药物稳定性;调节压片机的压力为1~3Kg,压制成的片剂,使得崩解时间加快。

Drugs covered by this patent

Patent Metadata

Patent number
CN101229148A
Jurisdiction
CN
Classification
Expires
2008-07-30
Drug substance claim
No
Drug product claim
No
Assignee
Tianjin Medical University
Source
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