CN Patent

CN101966143A — 加替沙星温度及pH敏感眼用凝胶的制备与应用

Assigned to Individual · Expires 2011-02-09 · 15y expired

What this patent protects

本发明涉及医药技术领域是加替沙星的一种眼用新剂型,即加替沙星温度及pH敏感眼用凝胶的制备与应用。该制剂特点是:其在非生理状态在为溶液,生理状态相转变为凝胶的制备与应用。其中温度敏感型眼用凝胶是通过对辅料的系统考察,最终采用泊洛沙姆(Poloxamer)407和泊洛沙姆188的适当配比完成的。pH敏感型眼用凝胶是采用调节卡波姆980和羟丙基甲基纤维素(HPMC)的用量实现的。该制剂大大延长了药物在眼部滞留时间,提高了生物利用度,改善了疗效,有着理想的应用前景。

USPTO Abstract

本发明涉及医药技术领域是加替沙星的一种眼用新剂型,即加替沙星温度及pH敏感眼用凝胶的制备与应用。该制剂特点是:其在非生理状态在为溶液,生理状态相转变为凝胶的制备与应用。其中温度敏感型眼用凝胶是通过对辅料的系统考察,最终采用泊洛沙姆(Poloxamer)407和泊洛沙姆188的适当配比完成的。pH敏感型眼用凝胶是采用调节卡波姆980和羟丙基甲基纤维素(HPMC)的用量实现的。该制剂大大延长了药物在眼部滞留时间,提高了生物利用度,改善了疗效,有着理想的应用前景。

Drugs covered by this patent

Patent Metadata

Patent number
CN101966143A
Jurisdiction
CN
Classification
Expires
2011-02-09
Drug substance claim
No
Drug product claim
No
Assignee
Individual
Source
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