CN Patent

CN101536990A — 秋水仙碱胃漂浮缓释片及其制备方法

Assigned to Poole Drug Technology Development (shenzhen) Co Ltd · Expires 2009-09-23 · 17y expired

What this patent protects

本发明公开了一种秋水仙碱胃漂浮缓释片，其包含活性成分秋水仙碱和药用辅料，所述活性成分秋水仙碱和药用辅料的重量配比为1∶24～1999，所述药用辅料包含有亲水凝胶骨架材料、泡腾剂、助漂材料、填充剂、pH值调节剂、润滑剂，所述秋水仙碱胃漂浮缓释片在胃液或者类似胃液介质下可迅速溶胀，并可漂浮于胃液上至少4小时，本发明还涉及所述秋水仙碱胃漂浮缓释片的制备方法，本发明的秋水仙碱胃漂浮缓释片服用后可迅速达到有效血药浓度、然后缓慢释药，可维持较平稳的血药浓度，从而可减少服药次数、减轻毒副作用、提高生物利用度。

USPTO Abstract

本发明公开了一种秋水仙碱胃漂浮缓释片，其包含活性成分秋水仙碱和药用辅料，所述活性成分秋水仙碱和药用辅料的重量配比为1∶24～1999，所述药用辅料包含有亲水凝胶骨架材料、泡腾剂、助漂材料、填充剂、pH值调节剂、润滑剂，所述秋水仙碱胃漂浮缓释片在胃液或者类似胃液介质下可迅速溶胀，并可漂浮于胃液上至少4小时，本发明还涉及所述秋水仙碱胃漂浮缓释片的制备方法，本发明的秋水仙碱胃漂浮缓释片服用后可迅速达到有效血药浓度、然后缓慢释药，可维持较平稳的血药浓度，从而可减少服药次数、减轻毒副作用、提高生物利用度。

Drugs covered by this patent

Patent Metadata

Patent number
CN101536990A
Jurisdiction
CN
Classification
—
Expires
2009-09-23
Drug substance claim
No
Drug product claim
No
Assignee
Poole Drug Technology Development (shenzhen) Co Ltd
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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