[EN] CHITOSAN COVALENTLY LINKED WITH SMALL MOLECULE INTEGRIN ANTAGONIST FOR TARGETED DELIVERY<br/>[FR] CHITOSAN LIÉ PAR COVALENCE À UN ANTAGONISTE D'INTÉGRINE À PETITES MOLÉCULES PERMETTANT UNE DÉLIVRANCE CIBLÉE
申请人:HOFFMANN LA ROCHE
公开号:WO2013110681A1
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, X1, X4, 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 (α4ß1) and alpha-V-beta-3 (α Vß3) 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.