Rheumatoid arthritis is a chronic, disabling condition and the most common form of inflammatory arthritis affecting approximately 1% of the population. The outlook has improved considerably over the last decade with the recognition that better outcomes accompany early and optimal suppression of synovitis. In some patients, this can be achieved with conventional, oral disease-modifying anti-rheumatic drugs. For those with more severe disease, the introduction of biologic therapies targeting th...