The purpose of this study is to follow the health of subjects who have previously been enrolled in studies of CP-690,550 for treatment of their rheumatoid arthritis. Subjects are only eligible for this study after they have completed all participation in other studies of CP-690,550.
At their last visit of a qualifying study, eligible subjects will be given the opportunity to participate in this study.
Subjects had to have received CP-690,550 or other blinded study drug in index study. No intervention in this long-term follow-up trial.
Buenos Aires, Argentina
Buenos Aires, Argentina