Hisamitsu Pharmaceutical Company, Inc.

Kazuteru Moriyama

Takeshi Goto

Kazuhisa Yoshitake

Tsutomu Yuasa

Hideyuki Nishibayashi

Hiroshi Sorimachi

Shuichi Toriya

Provided in a phosphate ion adsorbent containing a weakly basic anion exchange resin as an active ingredient which aims at providing preventives and/or remedies for hyperphosphatemia having a high selectivity for the adsorption of phosphate ion and showing an effect of lowering blood phosphorus level and another effect of suppressing phosphorus excretion into the urine.

Preventives and/or remedies for hyperphosphatemia

An cross-linked anion exchange resin or a salt thereof obtained by reacting a polymer (A) having amino and/or imino groups in the total number of two or more per molecule with a compound (B) having two or more functional groups capable of reacting with amino and/or imino group contained in the polymer (A). The resin or salt has a water absorption ratio of 4.0 or lower.

Crosslinked anion-exchange resin or salt thereof and phosphorus adsorbent comprising the same

Growing community of inventors

Tsukuba, Japan

Kazuteru Moriyama