I also have Crohn's. I had a total proctocolectomy, so reversal is not an option for me. Before surgery, my Crohn's was just in my colon, so my surgeon was pretty optimistic that getting an ileostomy may get rid of my crohn's for good, or at least a number of years.
Unfortunately, my crohn's came back within a year, in my mouth and end of my small intestine. I am now on Humira once every 2 weeks (it is working, but not well enough to get me into remission, so my dr. is trying to get my insurance to approve Humira every week. I think once that goes through, I will feel better.)
I also just started Entocort, which is a steroid that does not have any of the side effects that prednisone does, but I am not sure if it is working or not as I just started it 2 days ago. When I paid for my prescription of it--a month's worth of Entocort--the lady said "that will be $50," and I was surprised because I have great prescription coverage and usually only pay like $5-$10 for my meds. I said "Oh, is it not covered by my plan?" and she said "Oh, yes it is covered--if it wasn't it would cost you $1,000!" I blurted out "Oh My God!" because I couldn't believe it...when I looked at the price it was indeed $940...wow. I mean, what is this gold in a bottle??
Anyway, sorry for the digression, just had to share that...my doc said that if Humira stops working that Cimzia is my next option. So, I don't think it is strange that you are on it---it is much like Humira and the other biological drugs.
Good luck. :) Hang in there.