[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100524350":3},{"organization":4,"armGroups":7,"interventions":14,"overallOfficials":19,"centralContacts":24,"locations":30,"responsibleParty":45,"collaborators":47,"id":61,"slug":62,"hasResults":63,"nctId":64,"briefTitle":65,"officialTitle":66,"acronym":10,"eligibilityCriteria":67,"healthyVolunteers":63,"sex":68,"minAge":69,"maxAge":70,"enrollmentInfo":71,"targetDuration":10,"studyType":74,"phases":10,"briefSummary":75,"conditions":76,"keywords":10,"overallStatus":32,"whyStopped":10,"lastUpdateSubmitDate":78,"lastUpdatePostDateStruct":79,"startDateStruct":82,"completionDateStruct":84,"leadSponsor":86,"locationsCount":87},{"fullName":5,"class":6},"Institute of Hematology & Blood Diseases Hospital, China","OTHER",[8],{"label":9,"type":10,"description":11,"interventionNames":12},"Pediatric Primary Immune Thrombocytopenia",null,"Immune thrombocytopenia (ITP) : defined according to the international working group criteria",[13],"Other: data collection",[15],{"type":6,"name":16,"description":17,"armGroupLabels":18,"otherNames":10},"data collection","The study will collect basic information, diagnostic and treatment information from medical records and use questionnaire to measure the exposure of patients, and prospectively follow-up to collect the prognosis information.",[9],[20],{"name":21,"affiliation":22,"role":23},"Lei Zhang, MD","Chinese Academy of Medical Science and Blood Disease Hospital","PRINCIPAL_INVESTIGATOR",[25],{"name":26,"role":27,"phone":28,"phoneExt":10,"email":29},"Ting Sun, MD","CONTACT","02223909009","sunting@ihcams.ac.cn",[31],{"facility":22,"status":32,"city":33,"state":10,"zip":34,"country":35,"countryCode":36,"cosmosGeoPoint":37,"geoPoint":42,"contacts":43},"RECRUITING","Tianjin","300020","China","CN",{"type":38,"coordinates":39},"Point",[40,41],117.17667,39.14222,{"lat":41,"lon":40},[44],{"name":26,"role":27,"phone":28,"phoneExt":10,"email":29},{"type":46,"investigatorFullName":10,"investigatorTitle":10,"investigatorAffiliation":10,"oldNameTitle":10,"oldOrganization":10},"SPONSOR",[48,50,52,55,57,59],{"name":49,"class":6},"Beijing Children's Hospital",{"name":51,"class":6},"Tianjin People's Hospital",{"name":53,"class":54},"Henan Cancer Hospital","OTHER_GOV",{"name":56,"class":6},"Tianjin Medical University Second Hospital",{"name":58,"class":6},"The First Affiliated Hospital of Xiamen University",{"name":60,"class":6},"The Second Affiliated Hospital of Kunming Medical University","100524350","longitudinal-cohort-of-pediatric-primary-immune-thrombocytopenia-itp-100524350",false,"NCT06107582","Longitudinal Cohort of Pediatric Primary Immune Thrombocytopenia (ITP)","Clinical Characteristics, Prognosis and Prognostic Model of Pediatric Immune Thrombocytopenia: a Prospective, Multicenter, Observational Cohort Study","Inclusion Criteria:\n\n* Age 6-17 years old (including both ends), male and female;\n* Diagnosis of ITP.\n\nExclusion Criteria:\n\n* Secondary thrombocytopenia caused by various reasons, such as connective tissue disorders, bone marrow hematopoietic failure disease, myelodysplastic syndrome, malignancy, drugs, inherited thrombocytopenia, common variable immune deficiency, lymphoma, etc.;\n* The expected follow-up period is less than 3 months.","ALL","6 Years","17 Years",{"count":72,"type":73},500,"ESTIMATED","OBSERVATIONAL","Immune thrombocytopenic purpura (ITP) is a kind of rare childhood disease that involve autoimmune destruction of platelets.The current Pediatric ITP cohorts are mostly based on single-center or multi-center cases, or cohorts with limited sample size in China. There is a lack of comprehensive and large-scale prospective cohort studies in pediatric ITP. The purpose of this study is to analyze the clinical characteristics of Pediatric ITP, the treatment methods, prognosis and prognostic model of these patients in China.",[77],"Primary Immune Thrombocytopenia","2026-02-09",{"date":80,"type":81},"2026-02-11","ACTUAL",{"date":83,"type":81},"2023-11-01",{"date":85,"type":73},"2036-12",{"name":5,"class":6},1]