CN Patent

CN106389373B — 一种二甲苯磺酸拉帕替尼片剂及其制备方法

Assigned to Sichuan Kelun Pharmaceutical Research Institute Co Ltd · Expires 2019-07-02 · 7y expired

What this patent protects

本发明提供了一种二甲苯磺酸拉帕替尼片剂,由含有下述重量配比的原料药二甲苯磺酸拉帕替尼和辅料胶体二氧化硅制备而成:活性成分45~60份、胶体二氧化硅0.25~2份。本发明还提供了该片剂的制备方法。本发明片剂的处方工艺,可操作性强,中间体颗粒流动性好,片重差异稳定,可压性强,与原研制剂相比,不同介质下的体外溶出特征和稳定性试验一致;同时进行了初步的药理试验,药效与原研一致。

USPTO Abstract

本发明提供了一种二甲苯磺酸拉帕替尼片剂,由含有下述重量配比的原料药二甲苯磺酸拉帕替尼和辅料胶体二氧化硅制备而成:活性成分45~60份、胶体二氧化硅0.25~2份。本发明还提供了该片剂的制备方法。本发明片剂的处方工艺,可操作性强,中间体颗粒流动性好,片重差异稳定,可压性强,与原研制剂相比,不同介质下的体外溶出特征和稳定性试验一致;同时进行了初步的药理试验,药效与原研一致。

Drugs covered by this patent

Patent Metadata

Patent number
CN106389373B
Jurisdiction
CN
Classification
Expires
2019-07-02
Drug substance claim
No
Drug product claim
No
Assignee
Sichuan Kelun Pharmaceutical Research Institute 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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