My understanding is the results weren't stellar for stem cells and IBD, and thus study was ceased on it. I was able to pull up a couple articles with a quick search of http://scholar.google.com.
journals.lww.com/transplantjournal/Abstract/2003/05270/Improvement_of_inflammatory_bowel_disease_after.26.aspx(Click "Article as PDF (128 KB)" to view the entire thing)
www.gastrojournal.org/article/S0016-5085(07)00336-8/fulltext