A Study To Evaluate The Safety And Efficacy Of Tofacitinib Modified Release Tablets Compared To Tofacitinib Immediate Release Tablets In Adult Patients With Rheumatoid Arthritis

A Multicenter, Randomized, Double-blind, Parallel-group, Phase 3 Study To Demonstrate Non-inferiority For The Efficacy Of A Once Daily Dose Of Tofacitinib Modified Release Tablet To A Twice Daily Dose Of The Immediate Release Tablet In Adult Patients With Rheumatoid Arthritis On Background Methotrexate

This is a 12 week study that will evaluate the efficacy and safety of the 11 mg tofacitinib modified release tablet taken once a day in patients with rheumatoid arthritis who continue taking methotrexate. Results for the modified release tablets will be compared to the efficacy and safety of the 5 mg tofacitinib immediate release tablets taken twice a day in patients with rheumatoid arthritis who continue taking methotrexate.

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