Crohn's Disease & Ulcerative Colitis Support Group
Crohn's disease is a systemic inflammatory bowel disease (IBD) of unknown cause, that results in chronic inflammation of the intestinal tract. It can affect the entire gastrointestinal tract from mouth to anus, and can also cause complications outside of the gastrointestinal tract. There is no known medical or surgical cure for Crohn's disease, but there are many medical...
http://www.bloomberg.com/apps/news?pid=20601102&sid=azeJGFpAYvts&refer=uk
and the following link explains how this one is different from other biologics:
http://www.everydayhealth.com/crohns-disease/webcasts/crohns-disease-and-ulcerative-colitis-treatments-whats-new-and-whats-on-the-way-transcript-2.aspx
Check out page 2 of that link.