text: <unk>  is an immunosupressant that is FDA approved for the treatment of crohn's disease,  rheumatoid arthritis, psoriatic arthritis and ankylosing spondylitis. There is a Black Box Warning for this drug as shown here.  Common adverse reactions include arthralgia ,urinary tract infections and upper respiratory infection.
option_0: Certolizumab pegol
option_1: Mepolizumab
option_2: Vedolizumab
option_3: Belatacept
option_4: Natalizumab
option_5: Emicizumab
option_6: Efalizumab
option_7: Interferon alfa-2b