<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.
Certolizumab pegol
Mepolizumab
Vedolizumab
Belatacept
Natalizumab
Emicizumab
Efalizumab
Interferon alfa-2b