 It is not used in the treatment of ulcerative colitis, but it is used in the treatment of rheumatoid arthritis, active psoriatic arthropathy, and ankylosing spondylitis.Golimumab is a fully human IgG1 monoclonal antibody that was first approved by the FDA in 2009 to treat rheumatoid arthritis.Since, it has been approved to also treat psoriatic arthritis, ankylosing spondylitis, and moderately to severely active ulcerative colitis.