Anyone taking simponi? Please tell me your experiences. Im being put on it for axial spondyloarthritis and crohns, but I also have psoriasis. The side effects including cancer have absolutely freaked me out. I was on cosentyx before which caused the crohns, newly diagnosed with axial spondyloarthritis which has made me lose my job, im keen to get moving again but cancer!! Isn't on my to do list. Please help one seriously anxious being.