List Of Clinical Trials Rheumatoid Arthritis Ideas . They affect joints on both sides of the body. Web the purpose of this study is to establish a comparator cohort of patients with rheumatoid arthritis, psoriatic arthritis, ankylosing spondylitis, and other spondyloarthropathies. Rheumatoid Arthritis Tustin CA (Clinical Trial 28767) from www.clinicalconnection.com We will collect demographic information, historical information about diagnosis and past treatment, and clinical, radiographic, and laboratory data on each patient. Rheumatoid arthritis is a chronic, systemic autoimmune disease manifested primarily as inflammatory arthritis, typically involving the small joints of the hands and. This can include both hands, both knees, and so on.