An Open-label, Multi-arm, Non-comparative Safety and Tolerability Study of Canakinumab (ACZ885) in Patients With Active Systemic Juvenile Idiopathic Arthritis (SJIA)

"Patients rolling over into this study from CACZ885G2301E1 (Cohort 1) will continue on their established canakinumab dose of either 4 mg/kg SC given every 4 weeks or 2mg/kg SC given every 4 weeks, until eligible for dose reduction.~Canakinumab-naïve patients"

Patients rolling over into this study from CACZ885G2301E1(Cohort 2) will receive a standard canakinumab dose of 4mg/kg SC given every 4 weeks, until eligible for dose reduction