The invention provides antihistamine drugs that are chemically modified by covalent attachment of a water-soluble oligomer. A conjugate of the invention, when administered by any of a number of administration routes, exhibits characteristics that are different from the characteristics of the antihistamine drug not attached to the water-soluble oligomer.
本发明提供了通过共价连接
水溶性寡聚体来进行
化学修饰的
抗组胺药物。本发明的共轭物,当通过任何一种给药途径进行给药时,表现出与未连接
水溶性寡聚体的
抗组胺药物不同的特性。