申请人:Relypsa, Inc.
公开号:US20150183908A1
公开(公告)日:2015-07-02
The present disclosure relates generally to crosslinked cation-binding polymers comprising monomers containing carboxylic acid groups and pKa decreasing groups, wherein the polymer contains i) calcium cations that are counterions to about 5% to about 75% of the carboxylic acid groups in the polymer; or ii) calcium cations and magnesium cations that are counterions to about 5% to about 75% of the carboxylic acid groups in the polymer, wherein the magnesium cations are counterions to no more than about 35% of the carboxylate groups in the polymer. The present disclosure also relates to methods of preparation of the poly mers, and compositions, formulations, and dosage forms containing the polymers, and methods of using the polymers, compositions, formulations, and/or dosage forms to treat various diseases or disorders.
本公开涉及交联阳离子结合聚合物,该聚合物包含含有羧酸基和pKa降低基的单体,其中聚合物包含i)钙阳离子,其是聚合物中约5%至约75%的羧酸基的对离子;或ii)钙阳离子和镁阳离子,其是聚合物中约5%至约75%的羧酸基的对离子,其中镁阳离子对聚合物中的羧酸盐基不超过约35%。本公开还涉及聚合物的制备方法,以及含有聚合物的组合物、配方和剂量形式,以及使用聚合物、组合物、配方和/或剂量形式治疗各种疾病或障碍的方法。