Carbamate-containing polyamine poly-ester bond cationic lipids, compositions comprising the same, and uses

By using a combination of cationic lipids containing carbamate structures and polyester bonds with neutral lipids and polymer-conjugated lipids, the safety and targeting deficiencies of lipid nanoparticles in delivering bioactive substances have been addressed, achieving efficient and safe drug delivery.

CN122234006APending Publication Date: 2026-06-19BEIJING YUEKANGKECHUANG PHARM TECH CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
BEIJING YUEKANGKECHUANG PHARM TECH CO LTD
Filing Date
2026-05-20
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

Existing lipid nanoparticles (LNPs) have safety and targeting issues when delivering bioactive substances, especially in nucleic acid delivery where they are prone to off-target accumulation. Furthermore, the increased complexity of their production may lead to toxicity, limiting their clinical applications.

Method used

A composition is formed by combining cationic lipids containing carbamate structures and polyester bonds with neutral lipids and polymer conjugated lipids to improve transfection efficiency and targeting, reduce cytotoxicity, and optimize drug delivery safety.

Benefits of technology

This approach achieves drug delivery with high transfection efficiency and low cytotoxicity, improves spleen targeting and in vivo delivery efficiency, and reduces the toxicity of lipid nanoparticles.

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Abstract

This application discloses a polyamine-based ester-bonded cationic lipid containing carbamate, compositions comprising the same, and uses thereof, specifically disclosing a cationic lipid represented by formula (I). The cationic lipid provided in this application can be used for targeted delivery of nucleic acids, while significantly enhancing the spleen-targeting ability of nucleic acid drugs.
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