['rheumatoid arthritis']
['tofacitinib', 'tofacitinib']

        Inclusion Criteria:

          -  diagnosis of rheumatoid arthritis

          -  currently taking a stable dose of methotrexate

          -  no evidence of active or latent or inadequately treated tuberculosis

        Exclusion Criteria:

          -  evidence or history of clinically significant hematological, renal, endocrine,
             pulmonary, gastrointestinal, cardiovascular, hepatic, psychiatric, neurologic or
             allergic disease

          -  clinically significant infections within the past 6 months
      