CN Patent

CN117205161B — 泼尼松肠溶制剂及其制备方法

Assigned to Wentao Innovative Drug Research Beijing Co ltd · Expires 2025-03-25 · 1y expired

What this patent protects

本发明提供了泼尼松肠溶制剂及其制备方法和应用。所述泼尼松肠溶制剂由5‑35％活性泼尼松微小肠溶制剂单元，如肠溶微球和非活性药用辅料组成，其平均粒径为100‑1000μm，溶出行为符合肠溶制剂规定。本发明的肠溶微球特征，不仅避免泼尼松对胃黏膜的刺激，同时使活性成份在肠道快速释放和吸收，避免活性成份被肠道菌群破坏。本发明制剂可以为混悬剂、胶囊等剂型适用于吞咽困难或者正常患者。

USPTO Abstract

本发明提供了泼尼松肠溶制剂及其制备方法和应用。所述泼尼松肠溶制剂由5‑35％活性泼尼松微小肠溶制剂单元，如肠溶微球和非活性药用辅料组成，其平均粒径为100‑1000μm，溶出行为符合肠溶制剂规定。本发明的肠溶微球特征，不仅避免泼尼松对胃黏膜的刺激，同时使活性成份在肠道快速释放和吸收，避免活性成份被肠道菌群破坏。本发明制剂可以为混悬剂、胶囊等剂型适用于吞咽困难或者正常患者。

Drugs covered by this patent

Patent Metadata

Patent number
CN117205161B
Jurisdiction
CN
Classification
—
Expires
2025-03-25
Drug substance claim
No
Drug product claim
No
Assignee
Wentao Innovative Drug Research Beijing 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.

Track this patent

Get a daily-checked alert when vulnerability score, expiry, classification, or assignee changes. Email, Slack, or Teams delivery. Pro: 50 watches, Free: 3.