Abatacept 10 mg/kg solution intravenous (IV) infusion, once monthly for 12 months

Methotrexate ≥6 mg/week for 12 months

Read more: http://www.clinicaltrials.gov/ct2/show/NCT01758198?cond=%22Arthritis%22&lup_s=10/31/2013&lup_d=30