An object of the present invention is to provide a hyaluronic acid-methotrexate conjugate useful as a therapeutic drug for joint disorders. There is provided a hyaluronic acid-methotrexate conjugate useful for the treatment of joint disorders, wherein methotrexate is conjugated with a hydroxy group of hyaluronic acid through a linker containing a peptide chain consisting of 1 to 8 amino acids, and the linker is conjugated with the hyaluronic acid through a carbamate group.
本发明的一个目的是提供一种适用于关节疾病治疗的透明质酸 -
甲氨蝶呤共轭物。提供了一种适用于关节疾病治疗的透明质酸 -
甲氨蝶呤共轭物,其中
甲氨蝶呤通过含有由1至8个
氨基酸组成的肽链的连接剂与透明质酸的羟基结合,并且连接剂通过一个
碳酸酯基与透明质酸结合。