NEGATIVELY CHARGED AMPHIPHILIC BLOCK COPOLYMER AS DRUG CARRIER AND COMPLEX THEREOF WITH POSITIVELY CHARGED DRUG

摘要

The present invention provides an anionic group-containing amphiphilic block copolymer that is biocompatible and biodegradable and, when used as a drug carrier for a cationic drug, provides several advantages such as increased blood concentration and improved stability of the drug.