I'm shortly going to be beginning a study in the US for Humira use with UC. Your MD may be able to prescribe it for you but your insurance will not pay for it until it becomes an approved use. I'm hoping this is the thing I need as I have failed Remicade also (the time got shorter and shorter that it would work post infusion). I'm not sure how close in the study process it is to being approved but I know that this study I am getting into is 52 weeks long. Maybe look in to participating in a study?
Good luck with the study!