[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100584372":3},{"organization":4,"armGroups":7,"interventions":27,"overallOfficials":33,"centralContacts":34,"locations":40,"responsibleParty":53,"collaborators":33,"id":55,"slug":33,"hasResults":56,"nctId":57,"briefTitle":58,"officialTitle":59,"acronym":33,"eligibilityCriteria":60,"healthyVolunteers":56,"sex":61,"minAge":62,"maxAge":33,"enrollmentInfo":63,"targetDuration":33,"studyType":66,"phases":67,"briefSummary":69,"conditions":70,"keywords":33,"overallStatus":74,"whyStopped":33,"lastUpdateSubmitDate":75,"lastUpdatePostDateStruct":76,"startDateStruct":79,"completionDateStruct":81,"leadSponsor":83,"locationsCount":84},{"fullName":5,"class":6},"Institute of Hematology & Blood Diseases Hospital, China","OTHER",[8,14,18,23],{"label":9,"type":10,"description":11,"interventionNames":12},"'Early Vaccination' (low-risk)","EXPERIMENTAL","Patients with composite immune risk score (CIRS) ≤ 2.5 and being assigned to receive 3 doses of hepatitis B vaccine at 3, 4, and 9 months after transplantation.",[13],"Biological: hepatitis B vaccine",{"label":15,"type":10,"description":16,"interventionNames":17},"'Early Vaccination' (high-risk)","Patients with CIRS \\> 2.5 and being assigned to receive 3 doses of hepatitis B vaccine at 3, 4, and 9 months after transplantation.",[13],{"label":19,"type":20,"description":21,"interventionNames":22},"'Guideline' (low-risk)","ACTIVE_COMPARATOR","Patients with CIRS ≤ 2.5 and being assigned to receive 3 doses of hepatitis B vaccine at 6, 7, and 12 months after transplantation.",[13],{"label":24,"type":20,"description":25,"interventionNames":26},"'Guideline' (high-risk)","Patients with CIRS \\> 2.5 and being assigned to receive 3 doses of hepatitis B vaccine at 6, 7, and 12 months after transplantation.",[13],[28],{"type":29,"name":30,"description":31,"armGroupLabels":32,"otherNames":33},"BIOLOGICAL","hepatitis B vaccine","Three doses of hepatitis B vaccine",[15,9,24,19],null,[35],{"name":36,"role":37,"phone":38,"phoneExt":33,"email":39},"Xiaowen Gong","CONTACT","022-23608045","gongxiaowen@ihcams.ac.cn",[41],{"facility":42,"status":33,"city":43,"state":44,"zip":45,"country":46,"cosmosGeoPoint":47,"geoPoint":52,"contacts":33},"Institute of Hematology & Blood Diseases Hospital","Tianjin","Tianjin Municipality","300020","China",{"type":48,"coordinates":49},"Point",[50,51],117.17667,39.14222,{"lat":51,"lon":50},{"type":54,"investigatorFullName":33,"investigatorTitle":33,"investigatorAffiliation":33,"oldNameTitle":33,"oldOrganization":33},"SPONSOR","100584372",false,"NCT06888479","Optimal Timing of Hepatitis B Vaccination After Transplants","Optimal Timing of Hepatitis B Vaccination After Transplants: a Randomized Clinical Study","Inclusion Criteria:\n\n1. Patients must be ≥ 16 years old;\n2. Patients receiving hematopoietic cell transplantation;\n3. Patients achieving complete molecular remission;\n4. Patients or their guardians have to sign an informed consent form before the start of the research procedure.\n\nExclusion Criteria:\n\n1. Multiple transplantations;\n2. Donors' HBV-DNA or HBsAg are positive;\n3. Patients' HBV-DNA or HBsAg are positive before transplantation or \\\u003C 3 months after transplantation;\n4. Patients who are unable to comply with the research treatments and monitoring requirements due to mental or other medical conditions;\n5. Patients who are ineligible for the study due to other reasons which would cause unacceptable risks to the patients.","ALL","16 Years",{"count":64,"type":65},1500,"ESTIMATED","INTERVENTIONAL",[68],"PHASE3","The investigators aim to perform a randomized clinical trial to determine the optimal timing of hepatitis B vaccination after hematopoietic cell transplantation (HCT) through evaluating the immunity effect of two different vaccination schedules (initiated at 3 or 6 months after transplantation) in patients with different immune reconstitution status.",[71,72,73],"Transplant-Related Disorder","Hepatitis B Virus Infection","Vaccine Reaction","NOT_YET_RECRUITING","2025-03-20",{"date":77,"type":78},"2025-03-21","ACTUAL",{"date":80,"type":65},"2025-06-01",{"date":82,"type":65},"2029-03-01",{"name":5,"class":6},1]