[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100597066":3},{"organization":4,"armGroups":7,"interventions":20,"overallOfficials":26,"centralContacts":31,"locations":39,"responsibleParty":68,"collaborators":26,"id":72,"slug":26,"hasResults":73,"nctId":74,"briefTitle":75,"officialTitle":76,"acronym":26,"eligibilityCriteria":77,"healthyVolunteers":73,"sex":78,"minAge":79,"maxAge":80,"enrollmentInfo":81,"targetDuration":26,"studyType":84,"phases":85,"briefSummary":87,"conditions":88,"keywords":90,"overallStatus":41,"whyStopped":26,"lastUpdateSubmitDate":93,"lastUpdatePostDateStruct":94,"startDateStruct":97,"completionDateStruct":99,"leadSponsor":101,"locationsCount":102},{"fullName":5,"class":6},"Anhui Medical University","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Experimental","EXPERIMENTAL","Vitamin D3:\n\nVitamin D3: 2000 IU per day for 6 weeks (two capsules of 800 IU plus one capsule of 400 IU), followed by 800 IU (one capsule of 800 IU) per day for 6 weeks.",[13],"Drug: Dietary Supplement: Vitamin D3",{"label":15,"type":16,"description":17,"interventionNames":18},"Placebo Comparator","PLACEBO_COMPARATOR","Vitamin D3 placebo:\n\nVitamin D3 placebo (i.e., soybean oil).",[19],"Drug: Dietary Supplement: Vitamin D3 placebo",[21,27],{"type":22,"name":23,"description":24,"armGroupLabels":25,"otherNames":26},"DRUG","Dietary Supplement: Vitamin D3","2000 IU per day for 6 weeks (two capsules of 800 IU plus one capsule of 400 IU), followed by 800 IU (one capsule of 800 IU) per day for 6 weeks.",[9],null,{"type":22,"name":28,"description":29,"armGroupLabels":30,"otherNames":26},"Dietary Supplement: Vitamin D3 placebo","Three capsules for 6 weeks, followed by one capsule for 6 weeks.",[15],[32,37],{"name":33,"role":34,"phone":35,"phoneExt":26,"email":36},"Puyu Su, PhD","CONTACT","86-13856058551","supuyu@ahmu.edu.cn",{"name":38,"role":34,"phone":35,"phoneExt":26,"email":36},"Puyu Su, Professor",[40,52],{"facility":5,"status":41,"city":42,"state":43,"zip":26,"country":44,"countryCode":45,"cosmosGeoPoint":46,"geoPoint":51,"contacts":26},"RECRUITING","Anqing","Anhui","China","CN",{"type":47,"coordinates":48},"Point",[49,50],117.04723,30.51365,{"lat":50,"lon":49},{"facility":5,"status":41,"city":53,"state":43,"zip":26,"country":44,"countryCode":45,"cosmosGeoPoint":54,"geoPoint":58,"contacts":59},"Hefei",{"type":47,"coordinates":55},[56,57],117.28083,31.86389,{"lat":57,"lon":56},[60,64],{"name":61,"role":34,"phone":62,"phoneExt":26,"email":63},"Zhizhong Wang","+86 18956075017","2214750343@qq.com",{"name":65,"role":34,"phone":66,"phoneExt":26,"email":67},"Jiehua Ding","+86 13866055269","1961289909@qq.com",{"type":69,"investigatorFullName":70,"investigatorTitle":71,"investigatorAffiliation":5,"oldNameTitle":26,"oldOrganization":26},"PRINCIPAL_INVESTIGATOR","Yuan Mengyuan","Doctor","100597066",false,"NCT07053657","Effect of Vitamin D on Cardiovascular Metabolic Risk in Overweight\u002FObesity Adolescents in China","The Improvement Effect of Vitamin D on the Cardiovascular Health of Overweight\u002FObesity Adolescents in China","Inclusion Criteria:\n\n1. Students whose caregivers signed informed consents;\n2. Students with serum 25(OH)D concentration of 12-20 ng\u002FmL;\n3. Students with overweight or obesity.\n\nExclusion Criteria:\n\n1. Students with any disease that affects vitamin D metabolism (e.g., functional\u002Forganic brain disease, severe infectious disease, chronic gastrointestinal disease, hepatic or renal insufficiency, etc.);\n2. Students with known chronic disease (e.g., cardiovascular disease); use of vitamin D supplements in the past 3 months;\n3. Students with allergies to vitamin D or soybean oil ingredients.","ALL","10 Years","16 Years",{"count":82,"type":83},130,"ESTIMATED","INTERVENTIONAL",[86],"NA","The goal of this randomized controlled clinical trial is to investigate the effects of vitamin D3 supplementation on cardiometabolic risk in Chinese adolescents with overweight\u002Fobesity and vitamin D deficiency. The main question it aims to answer whether vitamin D3 supplementation can improve cardiovascular metabolic health.\n\nParticipants in the intervention group will receive vitamin D3. The control group will receive vitamin D placebo.\n\nResearchers will compare the change in cardiometabolic risk from baseline to post-intervention at 12 weeks between the intervention and control groups.",[89],"Cardiometabolic Risk Factors",[91,92],"cardiometabolic risk","vitamin D","2025-11-14",{"date":95,"type":96},"2025-11-17","ACTUAL",{"date":98,"type":96},"2025-09-15",{"date":100,"type":83},"2025-12-31",{"name":5,"class":6},2]