Phosphate-binding polymers for oral administration

  • US 5,667,775 A
  • Filed: 06/06/1995
  • Issued: 09/16/1997
  • Est. Priority Date: 08/11/1993
  • Status: Expired due to Term
First Claim
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1. A method for removing phosphate from a patient by ion exchange comprising orally administering to said patient a therapeutically effective amount of a composition comprising at least one polymer characterized by a repeat unit having the formula ##STR28## or a copolymer thereof, wherein n is an integer, and each R, independently, is H, an unsubstituted alkyl, alkylamino, or aryl group, or a substituted alkyl, alkylamino or aryl group, wherein the substituents are selected from the group consisting of quaternary ammonium, amino, hydroxy, alkoxy, carboxamide, sulfonamide, halogen, alkyl, aryl, hydrazine, guanidine, urea and carboxylic acid ester.

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