Study Evaluating Etanercept in 3 Subtypes of Childhood Arthritis

Inclusion Criteria

• •Male and female subjects with a diagnosis per International League of Associations for Rheumatology (ILAR) criteria of extended oligoarticular juvenile idiopathic arthritis (JIA) between the ages of 2 and 17 years; enthesitis-related arthritis (ERA) between the ages of 12 and 17 years; or psoriatic arthritis (PsA) between the ages of 12 and 17 years.
• •\>= 2 active joints and the following for the relevant JIA subtype: extended oligoarticular JIA or PsA with a history of intolerance or an unsatisfactory response to a disease modifying antirheumatic drug (DMARD); or ERA with a history of intolerance or an unsatisfactory response to a nonsteroidal anti-inflammatory drug (NSAID) or a DMARD.