Method for the preparation of a pharmaceutical composition comprising 5-aminosalicylic acid for use in treatment of ulcerative colitis and Crohn's disease

摘要

The present invention concerns a new method of preparing granules comprising 5-aminosalicylic acid and a new method of preparing a pharmaceutical composition for the treatment of ulcerative colitis or Crohn's disease by oral administration comprising as active ingredient 5-aminosalicylic acid.