What is provided is an EPO mimetic peptide derivatives defined as formula (I) and its pharmaceutical salt, the preparation thereof, wherein R1, R2, R3, R4, R5, n1, n2 are defined as described in description. A composition comprising of an EPO mimetic peptide derivatives defined as formula (I) and its pharmaceutical salt. The uses of the derivatives and its pharmaceutical salt, as well as the uses of the composition described above in treatment of diseases characterized by a deficiency of EPO or a low or defective red blood cell population.
R1-R2-(CH2)n1-R3-(CH2)n2-R4-R5 (I)
本发明提供了一种定义如式(I)的EPO模拟肽衍
生物及其药用盐、其制备方法,其中R1、R2、R3、R4、R5、n1、n2的定义如说明书所述。一种由定义为式(I)的 EPO 拟态肽衍
生物及其药用盐组成的组合物。该衍
生物及其药用盐的用途,以及上述组合物在治疗以缺乏EPO或红细胞数量少或有缺陷为特征的疾病中的用途。
R1-R2-(
CH2)n1-R3-( )n2-R4-R5 (I)