发明名称 Pharmaceutical compositions for treating hyperkalemia
摘要 The present invention is directed to compositions and methods of removing potassium or treating hyperkalemia by administering pharmaceutical compositions of cation exchange polymers with low crosslinking for improved potassium excretion and for beneficial physical properties to increase patient compliance.
申请公布号 US9545425(B2) 申请公布日期 2017.01.17
申请号 US201615052190 申请日期 2016.02.24
申请人 Ardelyx, Inc. 发明人 Charmot Dominique;Davidson James P.;Lin Fangling;Jacobs Jeffrey W.;Blinova Natalia;Labonte Eric;Langsetmo Ingrid;Blanks Robert C.
分类号 A61K31/795;B01J39/20;A61K9/14;A61K9/16;A61K9/00;A61K47/12;A61K9/10 主分类号 A61K31/795
代理机构 Cooley LLP 代理人 Cooley LLP
主权项 1. A pharmaceutical composition comprising: i) about 89% to about 94.5% of a calcium salt of a crosslinked potassium binding polymer having the following structure: wherein the ratio of “m” and “n” provides having 1.6% to 1.9% cross-linking; ii) about 0.6% to about 1.6% of calcium citrate tetrahydrate; iii) about 0.02% to about 0.5% of anhydrous citric acid; iv) about 0.1% to about 1% of sucralose; v) about 0.6% to about 1.6% of vanillin powder; vi) about 2.5% to about 3.5% of methyl cellulose; and vii) about 1.6% to about 2.6% of titanium dioxide.
地址 Fremont CA US