A Multicenter, Open-Label Trial of Intravenous Golimumab, a Human Anti-TNFα Antibody, in Pediatric Subjects With Active Polyarticular Course Juvenile Idiopathic Arthritis Despite Methotrexate Therapy

The purpose of this study is to evaluate the pharmacokinetics (the study of the way a drug enters and leaves the blood and tissues over time) of golimumab administered intravenously (IV) to pediatric participants with polyarticular (affects 5 or more joints) juvenile (an onset before age 16) idiopathic (of unknown cause) arthritis (joint pain) (pJIA) manifested by greater than or equal to (\>=) 5 joints with active arthritis despite methotrexate (MTX) therapy for \>= 2 months.