CN Patent

CN114469902B — 雷沙吉兰或其药用盐舌下膜剂及其制备方法、应用

Assigned to Shanghai Zhongxi Pharmaceutical Group Co ltd · Expires 2024-10-29 · 2y expired

What this patent protects

本发明公开了一种雷沙吉兰或其药用盐舌下膜剂及其制备方法、应用。舌下膜剂包括下述处方组分:雷沙吉兰或其药物盐0.5~15%,高分子成膜材料30~85%,糊精5%~40%,其它辅料0~30%、且不为0,糊精为麦芽糊精、羟丙基‑β‑环糊精、葡糖基‑β‑环糊精和磺丁基‑β‑环糊精的一种或多种;百分比为各组分分别相对于舌下膜剂的处方总组分的质量百分比。本发明舌下膜无需用水即可黏附于给药部位并快速溶化,患者无需吞咽,顺应性好;经口腔黏膜吸收,避免了肝脏首过效应,生物利用度高;稳定性好,长期储存后杂质含量仍较低;具有较好的溶出特性,表现为药物溶出迅速、完全,药物迅速经…

USPTO Abstract

本发明公开了一种雷沙吉兰或其药用盐舌下膜剂及其制备方法、应用。舌下膜剂包括下述处方组分:雷沙吉兰或其药物盐0.5~15%,高分子成膜材料30~85%,糊精5%~40%,其它辅料0~30%、且不为0,糊精为麦芽糊精、羟丙基‑β‑环糊精、葡糖基‑β‑环糊精和磺丁基‑β‑环糊精的一种或多种;百分比为各组分分别相对于舌下膜剂的处方总组分的质量百分比。本发明舌下膜无需用水即可黏附于给药部位并快速溶化,患者无需吞咽,顺应性好;经口腔黏膜吸收,避免了肝脏首过效应,生物利用度高;稳定性好,长期储存后杂质含量仍较低;具有较好的溶出特性,表现为药物溶出迅速、完全,药物迅速经舌下黏膜吸收进入血液循环,起效快。

Drugs covered by this patent

Patent Metadata

Patent number
CN114469902B
Jurisdiction
CN
Classification
Expires
2024-10-29
Drug substance claim
No
Drug product claim
No
Assignee
Shanghai Zhongxi Pharmaceutical Group 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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