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Title:
CATIONIC LIPID ANALOG, AND COMPOSITION AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2023/142167
Kind Code:
A1
Abstract:
A cationic lipid analog, and a composition and use thereof. Aldehyde compounds, amine compounds, carboxylic acid compounds, and isonitrile compounds are used as starting materials, by means of an Ugi reaction, for synthesizing the cationic lipid analog. The obtained cationic lipid analog forms a lipid nanoparticle-like composition with a sterol, a helper lipid, and a polyethylene glycol lipid derivative. The composition can be used for the delivery of drugs including micromolecule drugs, nucleic acid drugs such as mRNA, DNA, and siRNA, protein/polypeptide drugs, and gene-editing complexes such as mRNA/sgRNA and Cas9/sgRNA. By means of different routes of administration, mRNA expression can be achieved in different organs of an animal body, and the application requirements of mRNA therapies, nucleic acid vaccines, gene editing, and the like can be met.

Inventors:
LIU ZHIJIA (CN)
CHEN YONGMING (CN)
HE ZEPENG (CN)
LE ZHICHENG (CN)
Application Number:
PCT/CN2022/075911
Publication Date:
August 03, 2023
Filing Date:
February 10, 2022
Export Citation:
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Assignee:
GUANGZHOU LIDE BIOMEDICINE TECH CO LTD (CN)
International Classes:
A61K47/18; A61K47/22; A61K48/00; C07C231/06; C07C237/22; C07D295/13
Domestic Patent References:
WO2022170833A12022-08-18
WO2022170834A12022-08-18
WO2022170835A12022-08-18
WO2003082809A12003-10-09
Foreign References:
CN114904002A2022-08-16
CN114904003A2022-08-16
CN114904004A2022-08-16
CN103881790A2014-06-25
KR20140069931A2014-06-10
US3323884A1967-06-06
CN102665761A2012-09-12
CN101674853A2010-03-17
CN104684543A2015-06-03
Other References:
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Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
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