Rheumatoid Arthritis :Simponi, in combination with methotrexate, is indicated for the treatment of adult patients with moderately to severely active rheumatoid arthritis when the response to disease-modifying anti-rheumatic drug (DMARD) therapy including MTX has been inadequate.Juvenile idiopathic arthritis: Polyarticular juvenile idiopathic arthritis (pJIA)Simponi in combination with MTX is indicated for the treatment of polyarticular juvenile idiopathic arthritis in children with a body weight of at least 40 kg, who have responded inadequately to previous therapy with MTX.Simponi 100 mg is not recommended in children aged less than 18.Psoriatic Arthritis :Simponi, alone or in combination with methotrexate, is indicated for the treatment of adult patients with active and progressive psoriatic arthritis when the response to previous disease-modifying anti-rheumatic drug (DMARD) therapy has been inadequate.Ankylosing Spondylitis :Simponi is indicated for the treatment of adult patients with severe active ankylosing spondylitis who have responded inadequately to conventional therapy.Non-radiographic axial spondyloarthritis (nr-Axial SpA):Simponi is indicated for the treatment of adults with severe, active non-radiographic axial spondyloarthritis with objective signs of inflammation as indicated by elevated C-reactive protein (CRP) and/or magnetic resonance imaging (MRI) evidence, who have had an inadequate response to, or are intolerant to nonsteroidal anti-inflammatory drugs (NSAIDS).Ulcerative colitis (UC) :Simponi is indicated for treatment of moderately to severely active ulcerative colitis in adult patients who have had an inadequate response to conventional therapy including corticosteroids and 6-mercaptopurine (6-MP) or azathioprine (AZA), or who are intolerant to or have medical contraindications for such therapies.