There are about 1 clinical studies being (or have been) conducted in United States Minor Outlying Islands. The country of the clinical trial is determined by the location of where the clinical research is being studied. Most studies are often held in multiple locations & countries.
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