A Study of PF-06438179 (Infliximab-Pfizer) and Infliximab in Combination With Methotrexate in Subjects With Active Rheumatoid Arthritis (REFLECTIONS B537-02).

Inclusion Criteria:

Diagnosis of rheumatoid arthritis based on 2010 ACR/EULAR criteria for at least 4 months.

At least 6 tender (of 68 assessed) and 6 swollen (of 66 assessed) joints at screening and
baseline.

HS-CRP equal or greater than 10 mg/L.

Must have received methotrexate for at least 12 weeks and be on a stable dose for at least
4 weeks.

Exclusion Criteria:

Evidence of untreated or inadequately treated latent or active TB.

Evidence or history of moderate or severe heart failure (NYHA Class III/IV)

Infection requiring hospitalization or parenteral antimicrobial therapy judged clinically
significant by the investigator within 6 months prior to first dose of study drug.