The present invention relates to 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 also 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-stranded RNA, a double-stranded DNA, or an oligo nucleic acid).
本发明涉及一种新颖且有用的半
乳糖衍
生物,该衍
生物构成了一种药物载体,可以有效地将药物转运到肝脏,包括该衍
生物的药物载体以及包含该载体和药物的制药组合物。本发明还涉及由半
乳糖、适当的间隔物和某种脂质组成的半
乳糖衍
生物,该衍
生物构成了一种药物载体,包括该衍
生物和阳离子脂质的药物载体,以及包含该载体和药物(优选为双链RNA、双链DNA或寡核苷酸)的制药组合物。