PT - JOURNAL ARTICLE AU - Vinall, Maria ED - Jones, Graeme TI - The AMBITION Study DP - 2008 Sep 01 TA - MD Conference Express PG - 14--15 VI - 8 IP - 5 4099 - http://mdc.sagepub.com/content/8/5/14.2.short 4100 - http://mdc.sagepub.com/content/8/5/14.2.full AB - Although studies have shown current anti-TNF treatments to be superior to short-term methotrexate (ie, before 24 weeks), none has shown superiority at Week 24. The AMBITION study [NCT00109408] showed that after 24 weeks, tocilizumab (an anti-IL-6 receptor antibody that inhibits IL-6 signaling) monotherapy was clinically superior to methotrexate (MTX) monotherapy in patients with rheumatoid arthritis who have not failed previous MTX or biologic treatment.