Overview A Study To Investigate The Effect Of 28 Days Of Dosing With GW856553 On Patients With Rheumatoid Arthritis Status: Completed Trial end date: 2008-01-01 Target enrollment: Participant gender: Summary This study is designed to look at the safety, tolerability and effectiveness of 28 days of dosing of GW856553 in rheumatoid arthritis patients. Phase: Phase 2 Details Lead Sponsor: GlaxoSmithKline