Patent ID: 7691830

Claim:
A method for treating a disorder in a mucosal tissue selected from the group consisting of interstitial cystitis, Crohn's disease, inflammatory bowel disease and colitis comprising topically administering a medicament containing an effective amount of a sulfated chitinous polymer including subunits of the formula: wherein X is independently selected from hydrogen, SO 3 − B, —(CH 2 ) b COG, or —(CH 2 ) b COOZ for each occurrence; Y is independently selected from SO 3 − B, —C(═O)—R—CO 2 Z, —C(═O)—R—COG, hydrogen, carboxyalkyl, or a pharmaceutically acceptable salt thereof for each occurrence, provided that at least 1% of Y groups and/or 1% of X groups on said polymer are SO 3 − B; R is independently selected from the group consisting of alkyl, alkenyl, and aryl; b is 1-5; B is hydrogen or a cation; G is 5-aminosalicylic acid or a pharmaceutically acceptable salt thereof; and Z is hydrogen, a cation, is 5-aminosalicylic acid, or a pharmaceutically acceptable salt thereof.