http://www.nature.com/scibx/journal/v6/n11/full/scibx.2013.256.html
They are developing Nanoparticles, that will contain immunosuppressant and anti inflammatory drugs, that just target the immune cells, and inflammation, this wil increase the effectiveness and reduce side effects, by reducing the amount of drugs and illuminating the GI track.
I find this really exciting, even if it IS a long way from reaching us. Thanks for posting and sharing!