| abstract |
An anionic drug as an active ingredient; Cationic compounds; Amphiphilic block copolymer and polylactic acid salt, wherein the anionic drug forms a complex with the cationic lipid, and the complex is encapsulated within the micelle structure formed by the amphiphilic block copolymer and the polylactic acid salt A pharmaceutical composition for the delivery of an anionic drug and a preparation method thereof are disclosed. |