[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"seronegative-arthritis\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:seronegative-arthritis":31},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,1,0,[8],{"id":9,"slug":10,"hasResults":11,"nctId":12,"briefTitle":13,"officialTitle":14,"acronym":4,"eligibilityCriteria":15,"healthyVolunteers":11,"sex":16,"minAge":17,"maxAge":18,"enrollmentInfo":19,"targetDuration":22,"studyType":23,"phases":4,"briefSummary":24,"conditions":25,"keywords":4,"overallStatus":32,"whyStopped":4,"lastUpdateSubmitDate":33,"lastUpdatePostDateStruct":34,"startDateStruct":37,"completionDateStruct":39,"leadSponsor":41,"locationsCount":5},"100593013","medical-follow-up-of-new-cases-of-polyarthritis-in-children-and-young-adults-100593013",false,"NCT07000916","Medical Follow-up of New Cases of Polyarthritis in Children and Young Adults","Medical Follow-up of New Cases of Polyarthritis in Children and Young Adults. Optimization of Clinical Response, Remission, Quality of Life and Analysis of Prognostic Markers","Inclusion Criteria:\n\n* Diagnosis of juvenile idiopathic arthritis, rheumatoid arthritis and seronegative \u002F psoriatic \u002F undifferentiated arthritis, systemic lupus erythematosus or diffuse systemic sclerosis (ACR criteria).\n* Naïve to basic treatment OR treated for ≤ 3 months; except for patients with JIA.\n\nExclusion Criteria:\n\n* Treated for \\> 3 months\n* \\> 50 years old","ALL","2 Years","50 Years",{"count":20,"type":21},1000,"ESTIMATED","10 Years","OBSERVATIONAL","Population:\n\nJuvenile idiopathic arthritis (JIA), rheumatoid arthritis (RA) and seronegative \u002F psoriatic \u002F undifferentiated arthritis (UA), systemic lupus erythematosus (SLE) or diffuse systemic sclerosis dSS).\n\nNaïve to basic treatment OR treated for ≤ 3 months; except for patients with JIA.\n\nThese 5 cohorts will be subject to standardized clinical monitoring.",[26,27,28,29,30,31],"Juvenile Idiopathic Arthritis","Rheumatoid Arthritis","Psoriatic Arthritis","Systemic Lupus Erythematosus","Diffuse Systemic Sclerosis","Seronegative Arthritis","RECRUITING","2025-05-22",{"date":35,"type":36},"2025-06-03","ACTUAL",{"date":38,"type":36},"2013-09-11",{"date":40,"type":21},"2028-03-31",{"name":42,"class":43},"Université Catholique de Louvain","OTHER"]