A Study To Evaluate The Effect Of CP-690,550 On Measures Of Kidney Function In Patients With Active Rheumatoid Arthritis

Inclusion Criteria

• •The patient must meet the American College of Rheumatology (ACR) classification criteria for the diagnosis of rheumatoid arthritis by satisfying at least four of the seven criteria.
• •The patient must have active disease at both Screening and predose on Day 1 of Period 1.
• •Patient must have had an inadequate response to at least one disease-modifying antirheumatic drug (DMARD), non-biologic or biologic, due to ineffectiveness or intolerance.