The object of the invention is to provide a novel and useful galactose derivative constituting a drug carrier by which a medicine can be efficiently transferred into the liver, a drug carrier comprising the derivative, and a pharmaceutical composition comprising the carrier and a medicine.
The present invention relates to a galactose derivative made up of galactose, a suitable spacer and a certain lipid, a drug carrier comprising the derivative and a cationic lipid, and a pharmaceutical composition comprising the carrier and a medicine (preferably a double strand RNA, a double strand DNA, an oligo nucleic acid) .
本发明的目的是提供一种新颖而有用的半
乳糖衍
生物,它构成一种药物载体,通过它可以将药物有效地转移到肝脏中;提供一种由该衍
生物组成的药物载体;提供一种由该载体和药物组成的药物组合物。
本发明涉及一种由半
乳糖、适当的间隔物和某种脂质组成的半
乳糖衍
生物,一种由该衍
生物和阳离子脂质组成的药物载体,以及一种由该载体和药物(最好是双链 RNA、双链 DNA、寡核酸)组成的药物组合物。