[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100615729":3},{"organization":4,"armGroups":7,"interventions":10,"overallOfficials":10,"centralContacts":11,"locations":10,"responsibleParty":17,"collaborators":10,"id":19,"slug":10,"hasResults":20,"nctId":21,"briefTitle":22,"officialTitle":23,"acronym":10,"eligibilityCriteria":24,"healthyVolunteers":20,"sex":25,"minAge":10,"maxAge":26,"enrollmentInfo":27,"targetDuration":10,"studyType":30,"phases":10,"briefSummary":31,"conditions":32,"keywords":10,"overallStatus":34,"whyStopped":10,"lastUpdateSubmitDate":35,"lastUpdatePostDateStruct":36,"startDateStruct":39,"completionDateStruct":41,"leadSponsor":43,"locationsCount":10},{"fullName":5,"class":6},"The First Hospital of Jilin University","OTHER",[8],{"label":9,"type":10,"description":10,"interventionNames":10},"Extremely Preterm Infants",null,[12],{"name":13,"role":14,"phone":15,"phoneExt":10,"email":16},"Hui Wu","CONTACT","13134318877","wuhui@jlu.edu.cn",{"type":18,"investigatorFullName":10,"investigatorTitle":10,"investigatorAffiliation":10,"oldNameTitle":10,"oldOrganization":10},"SPONSOR","100615729",false,"NCT07296393","Vitamin A in Cord Blood and Preterm Outcomes","The Association Between Umbilical Cord Blood Vitamin A Levels and Adverse Outcomes in Extremely Preterm Infants: A Single-Center Prospective Cohort Study","Inclusion Criteria:\n\nGestational age \\\u003C32 weeks Birth at First Hospital of Jilin University Umbilical cord blood sample obtained within 24 h Parental written informed consent\n\nExclusion Criteria:\n\nMajor congenital malformation or chromosomal abnormality Refusal of consent","ALL","28 Days",{"count":28,"type":29},155,"ESTIMATED","OBSERVATIONAL","This single-center prospective cohort study aims to describe the distribution of umbilical-cord blood vitamin A concentrations in extremely preterm infants (\\\u003C32 weeks' gestation) and to evaluate whether low cord blood vitamin A is associated with increased risk of neonatal morbidities such as bronchopulmonary dysplasia (BPD), necrotising enterocolitis (NEC), severe intraventricular haemorrhage (IVH), retinopathy of prematurity (ROP), periventricular leukomalacia (PVL), high-grade patent ductus arteriosus (hsPDA), respiratory distress syndrome (RDS), sepsis and death before discharge.",[33],"Extremely Premature Infant","NOT_YET_RECRUITING","2025-12-09",{"date":37,"type":38},"2025-12-22","ACTUAL",{"date":40,"type":29},"2025-12-10",{"date":42,"type":29},"2027-12-30",{"name":5,"class":6}]