[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"malignant-histiocytoses\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:malignant-histiocytoses":29},{"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":13,"acronym":4,"eligibilityCriteria":14,"healthyVolunteers":11,"sex":15,"minAge":16,"maxAge":17,"enrollmentInfo":18,"targetDuration":4,"studyType":21,"phases":4,"briefSummary":22,"conditions":23,"keywords":30,"overallStatus":35,"whyStopped":4,"lastUpdateSubmitDate":36,"lastUpdatePostDateStruct":37,"startDateStruct":40,"completionDateStruct":42,"leadSponsor":44,"locationsCount":5},"100509575","histiocytic-disorder-follow-up-study-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":19,"type":20},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",[24,25,26,27,28,29],"Histiocytosis","Langerhans Cell Histiocytosis","Erdheim-Chester Disease","Rosai Dorfman Disease","Xanthogranuloma","Malignant Histiocytoses",[31,32,33,34],"survivorship","long-term","targeted therapy","second cancer","RECRUITING","2026-06-10",{"date":38,"type":39},"2026-06-12","ACTUAL",{"date":41,"type":39},"2022-09-01",{"date":43,"type":20},"2028-12",{"name":45,"class":46},"University of Alabama at Birmingham","OTHER"]