[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"xanthogranuloma\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:xanthogranuloma":46},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,1,0,[8],{"id":9,"slug":4,"hasResults":10,"nctId":11,"briefTitle":12,"officialTitle":12,"acronym":4,"eligibilityCriteria":13,"healthyVolunteers":10,"sex":14,"minAge":15,"maxAge":16,"enrollmentInfo":17,"targetDuration":4,"studyType":20,"phases":4,"briefSummary":21,"conditions":22,"keywords":29,"overallStatus":34,"whyStopped":4,"lastUpdateSubmitDate":35,"lastUpdatePostDateStruct":36,"startDateStruct":39,"completionDateStruct":41,"leadSponsor":43,"locationsCount":5},"100509575",false,"NCT05915208","Histiocytic Disorder Follow-up Study","Inclusion Criteria:\n\n* diagnosis of histiocytic disorder at any age\n\n  1. Langerhans cell histiocytosis,\n  2. Erdheim-Chester disease,\n  3. Rosai-Dorfman disease,\n  4. Xanthogranuloma,\n  5. Mixed histiocytosis\n  6. Malignant histiocytosis (Histiocytic sarcoma, langerhans cell sarcoma, interdigitating cell sarcoma)\n  7. Hemophagocytic lymphohistiocytosis\n\nExclusion Criteria:\n\n* None","ALL","0 Years","89 Years",{"count":18,"type":19},6000,"ESTIMATED","OBSERVATIONAL","The purpose of the study is to describe the burden of chronic health conditions, psychological dysfunction, chronic pain, healthcare utilization, worse health-related quality of life, overall mortality, and cause-specific mortality among individuals with histiocytic disorders",[23,24,25,26,27,28],"Histiocytosis","Langerhans Cell Histiocytosis","Erdheim-Chester Disease","Rosai Dorfman Disease","Xanthogranuloma","Malignant Histiocytoses",[30,31,32,33],"survivorship","long-term","targeted therapy","second cancer","RECRUITING","2026-06-10",{"date":37,"type":38},"2026-06-12","ACTUAL",{"date":40,"type":38},"2022-09-01",{"date":42,"type":19},"2028-12",{"name":44,"class":45},"University of Alabama at Birmingham","OTHER",""]