Clinical Research Directory

Inclusion Criteria: * Participants should fulfill criteria for JIA according to the ILAR criteria * Participants should not be older than 16 years at onset of disease * Participants should have a low-medium disease activity with an E-SR of 30 at the most and/or no more than two active joints at inclusion. * DMARD and bDMARD should not have been changed within the last 12 weeks before inclusion. * Any gastro- intestinal complaints should be investigated before inclusion. * Fecal calprotectin should be normal. * The child as well as the parents need to be motivated for the child to try a dietary intervention for at least four weeks, preferably longer. Exclusion criteria: * Children with the systemic category of JIA. * Children with an unstable inflammatory situation with \> 2 inflamed joints and/or an E-SR of more than 30.