Dataset from A Long-term, Open-label Follow-up Study Of Tofacitinib (Cp-690,550) For Treatment Of Rheumatoid Arthritis

The purpose of this study is to determine the long-term effectiveness and safety of
CP-690,550 for the treatment of rheumatoid arthritis. Subjects are eligible for this study
only after participating in another "qualifying" study of CP-690,550

A sub-study will be conducted within the A3921024 study, this study will evaluate the immune
response to pneumococcal and influenza vaccines in patients receiving CP-690,550