CHITOSAN COVALENTLY LINKED WITH SMALL MOLECULE INTEGRIN ANTAGONIST FOR TARGETED DELIVERY
申请人:Hoffmann-La Roche Inc.
公开号:US20130197205A1
公开(公告)日:2013-08-01
The invention relates to the chitosan polymer derivatives of formula I:
and pharmaceutically acceptable salts and esters thereof, wherein Y, X
1
, X
4
, R1, R2, and n are defined in the detailed description and claims. The chitosan polymer derivatives of formula I bind to or associate with alpha-4-beta-1 (α4β1) and alpha-V-beta-3 (αVβ3) integrin dimers and can be used in delivery formulations to deliver drugs, nucleic acids, or other therapeutic compounds to tissues or cells expressing such integrins.
该发明涉及公式I的壳聚糖聚合物衍生物:
及其药用可接受的盐和酯,其中Y、X
1
、X
4
、R1、R2和n在详细说明和权利要求中有定义。公式I的壳聚糖聚合物衍生物与α4β1和αVβ3整合素二聚体结合或结合,并可用于传递制剂以将药物、核酸或其他治疗化合物传递到表达这些整合素的组织或细胞中。