[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100311188":3},{"organization":4,"armGroups":7,"interventions":18,"overallOfficials":22,"centralContacts":27,"locations":36,"responsibleParty":53,"collaborators":10,"id":56,"slug":57,"hasResults":58,"nctId":59,"briefTitle":60,"officialTitle":61,"acronym":62,"eligibilityCriteria":63,"healthyVolunteers":64,"sex":65,"minAge":10,"maxAge":66,"enrollmentInfo":67,"targetDuration":10,"studyType":70,"phases":10,"briefSummary":71,"conditions":72,"keywords":78,"overallStatus":38,"whyStopped":10,"lastUpdateSubmitDate":82,"lastUpdatePostDateStruct":83,"startDateStruct":86,"completionDateStruct":88,"leadSponsor":90,"locationsCount":91},{"fullName":5,"class":6},"Guangzhou Women and Children's Medical Center","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Identical Twins",null,"Twins develop from one zygote with no intervention",[13],"Other: No intervention",{"label":15,"type":10,"description":16,"interventionNames":17},"Dizygotic Twins","Twins develop from two different zygote with no intervention",[13],[19],{"type":6,"name":20,"description":10,"armGroupLabels":21,"otherNames":10},"No intervention",[15,9],[23],{"name":24,"affiliation":25,"role":26},"Xiu Qiu, PhD","Born in Guangzhou Cohort Study in Guangzhou Women and Children's Medical Center","PRINCIPAL_INVESTIGATOR",[28,32],{"name":24,"role":29,"phone":30,"phoneExt":10,"email":31},"CONTACT","0086 20 38367162","xiu.qiu@bigcs.org\u002Fqxiu0161@163.com",{"name":33,"role":29,"phone":34,"phoneExt":10,"email":35},"Xuan Zhao, MSc","0086 20 38367159","xuan.zhao@bigcs.org",[37],{"facility":5,"status":38,"city":39,"state":40,"zip":41,"country":42,"countryCode":43,"cosmosGeoPoint":44,"geoPoint":49,"contacts":50},"RECRUITING","Guangzhou","Guangdong","510623","China","CN",{"type":45,"coordinates":46},"Point",[47,48],113.25,23.11667,{"lat":48,"lon":47},[51],{"name":24,"role":29,"phone":30,"phoneExt":10,"email":52},"qxiu0161@163.com",{"type":26,"investigatorFullName":54,"investigatorTitle":55,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"Xiu Qiu","Director of the Born in Guangzhou Cohort Study","100311188","twins-born-in-guangzhou-100311188",false,"NCT03331133","Twins Born in Guangzhou","Twins Born in Guangzhou Cohort Study","2-BIG","Inclusion Criteria:\n\n1. Live twins delivered in Guangzhou Women and Children's Medical Center\n2. Permanent residents or families intended to remain in Guangzhou with their children for no less than 3 years\n3. Baseline information during pregnancy available",true,"ALL","18 Years",{"count":68,"type":69},1000,"ESTIMATED","OBSERVATIONAL","The 2-BIG is a twin birth cohort study located in Guangzhou, China.Its initial aim is to facilitate research on understanding the interplay between genes and environmental factors on disease etiology. Data are collected regarding environmental, family and lifestyle exposures on twins from birth to 18 years old. Biological samples including blood and tissue samples are also collected from the twins and their parents.",[73,74,75,76,77],"Twin Diseases","Immune Development","Childhood Obesity","Host and Microbiome","Neurodevelopment",[79,80,81],"Twin","Early Development","Cohort","2024-02-22",{"date":84,"type":85},"2024-02-26","ACTUAL",{"date":87,"type":85},"2012-02-01",{"date":89,"type":69},"2038-12-31",{"name":5,"class":6},1]