<prompt> All are TNF-alpha antagonists used in rheumatoid arthritis except:IfosfamideInfliximabEtanerceptAdalimumab  <response>: SOME IMPORTANTLY USED TNF - ALPHA INHIBITORS ARE AS FOLLOWS:Etanercept : Chimeric protein and neutralizes both TNF alpha and TNF beta can be used along with methotrexate in rheumatoid arthritis also used in ankylosing spondylosis, juvenile arthritis and plaque psoriasis.Infliximab : Monoclonal antibody against TNF alpha.used in refractory rheumatoid arthritis, fistulating Crohns disease, ulcerative colitis and psoriasis.Adalimumab : Fully human recombinant antibody anti TNF alpha. It is less antigenic.use same as infliximab. 