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Causes
What causes juvenile idiopathic arthritis (JIA)?
The cause of JIA isn't well understood. Most experts believe it's caused by a combination of things, such as an immune system that's too active and attacks joint tissues. Viruses or other infections and certain genes that make the immune system more likely to attack joint tissues can also cause JIA.
Clinical Trials
Open trials refer to studies currently recruiting participants or that may recruit participants in the near future. Closed trials are not currently enrolling, but similar studies may open in the future.
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