Coated formulations

By using a hydrophilic gel skeleton for sustained release and an antioxidant in the celodoxine sustained-release formulation, and by adding a plasticizer to the coating material, the compatibility problem between the sustained-release material and the active ingredient was solved, the impurity content was reduced, and the antioxidant content was stabilized, thus achieving long-term stability and sustained-release effect of the formulation.

CN120815050APending Publication Date: 2025-10-21SHANGHAI HUILUN BIOLOGICAL TECH CO LTD
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Patent Information

Application Number
CN202411407469.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2024-04-12
Filing Date
2024-10-10
Publication Date
2025-10-21

AI Technical Summary

Technical Problem

In existing celodoxine formulations, compatibility issues between sustained-release materials and active ingredients lead to increased impurity content, and the content of antioxidants decreases during storage, which cannot be effectively addressed by existing coating materials.

Method used

A silodosin sustained-release preparation containing a hydrophilic gel skeleton sustained-release material and an antioxidant is used, and a plasticizer is added to the coating material to improve the stability and compatibility of the preparation.

Benefits of technology

This achieved a good sustained-release effect for celodoxine extended-release formulation, reduced the increase in impurity content, improved the stability of antioxidants, and ensured the long-term stability of the formulation.

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Abstract

The invention relates to a coating preparation. The preparation contains silodosin, a sustained-release material and an antioxidant, the sustained-release material is selected from a hydrophilic gel skeleton sustained-release material, and the coating contains a plasticizer. The coating preparation provided by the invention can effectively reduce instability caused by incompatibility of silodosin and a sustained-release material, and the coating can further inhibit continuous reduction of the content of an antioxidant.
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