CN Patent

CN117771174B — 一种立他司特滴眼液及其制备方法

Assigned to Lunnan Better Pharmaceutical Co ltd · Expires 2025-07-29 · 1y expired

What this patent protects

本发明属于药物制剂技术领域,涉及一种立他司特滴眼液及其制备方法。所述的立他司特滴眼液包括以下组分:立他司特1%~5%,缓冲剂0.1%~0.5%,抗氧化剂0.1%~0.8%,渗透压调节剂0.1%~0.5%,pH调节剂及注射用水。本发明制备得到的立他司特滴眼液,在影响因素试验(50±2℃,60±5%RH)放置15天后有关物质不超过0.42%,加速条件(40±2℃,20±5%RH)下放置6个月后有关物质不超过1.21%,质量符合要求,稳定性良好,安全有效,且适用于工业生产,可用于治疗干眼症。

USPTO Abstract

本发明属于药物制剂技术领域,涉及一种立他司特滴眼液及其制备方法。所述的立他司特滴眼液包括以下组分:立他司特1%~5%,缓冲剂0.1%~0.5%,抗氧化剂0.1%~0.8%,渗透压调节剂0.1%~0.5%,pH调节剂及注射用水。本发明制备得到的立他司特滴眼液,在影响因素试验(50±2℃,60±5%RH)放置15天后有关物质不超过0.42%,加速条件(40±2℃,20±5%RH)下放置6个月后有关物质不超过1.21%,质量符合要求,稳定性良好,安全有效,且适用于工业生产,可用于治疗干眼症。

Drugs covered by this patent

Patent Metadata

Patent number
CN117771174B
Jurisdiction
CN
Classification
Expires
2025-07-29
Drug substance claim
No
Drug product claim
No
Assignee
Lunnan Better Pharmaceutical 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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