CN Patent

CN101797253B — 一种岩白菜素、盐酸西替利嗪复方口服剂型

Assigned to Sichuan University · Expires 2011-07-20 · 15y expired

What this patent protects

本发明公开了一种包含岩白菜素\盐酸西替利嗪复方的口服剂型，尤其是一种胃滞留漂浮型缓释片，主要是由包含盐酸西替利嗪的速释包衣层和包含岩白菜素的缓释片芯层组成。进一步实现了盐酸西替利嗪快速释放和岩白菜素在胃中滞留并缓慢释放，提高了岩白菜素\盐酸西替利嗪复方口服剂型的疗效。药效学实验证明该药物组合有显著的镇咳、祛痰、平喘作用，且副作用小，可用于慢性支气管炎、支气管哮喘的治疗。

USPTO Abstract

本发明公开了一种包含岩白菜素\盐酸西替利嗪复方的口服剂型，尤其是一种胃滞留漂浮型缓释片，主要是由包含盐酸西替利嗪的速释包衣层和包含岩白菜素的缓释片芯层组成。进一步实现了盐酸西替利嗪快速释放和岩白菜素在胃中滞留并缓慢释放，提高了岩白菜素\盐酸西替利嗪复方口服剂型的疗效。药效学实验证明该药物组合有显著的镇咳、祛痰、平喘作用，且副作用小，可用于慢性支气管炎、支气管哮喘的治疗。

Drugs covered by this patent

Tussionex Pennkinetic (CHLORPHENIRAMINE MALEATE) · Bayer

Patent Metadata

Patent number: CN101797253B
Jurisdiction: CN
Classification: —
Expires: 2011-07-20
Drug substance claim: No
Drug product claim: No
Assignee: Sichuan University
Source: FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

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