[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100054274":3},{"organization":4,"armGroups":7,"interventions":19,"overallOfficials":18,"centralContacts":25,"locations":31,"responsibleParty":49,"collaborators":18,"id":53,"slug":54,"hasResults":55,"nctId":56,"briefTitle":57,"officialTitle":58,"acronym":18,"eligibilityCriteria":59,"healthyVolunteers":60,"sex":61,"minAge":62,"maxAge":63,"enrollmentInfo":64,"targetDuration":18,"studyType":67,"phases":68,"briefSummary":70,"conditions":71,"keywords":18,"overallStatus":74,"whyStopped":18,"lastUpdateSubmitDate":75,"lastUpdatePostDateStruct":76,"startDateStruct":79,"completionDateStruct":81,"leadSponsor":83,"locationsCount":84},{"fullName":5,"class":6},"The First Affiliated Hospital with Nanjing Medical University","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Ultrasound Active Screening Group","EXPERIMENTAL","Participants receive one standardized breast ultrasound examination performed by certified primary care physicians during annual health check-ups. In selected pilot communities, an ultrasound AI system is deployed synchronously for image data collection and retrospective scientific analysis only; AI results do not affect clinical diagnosis or report issuance.",[13],"Procedure: Standardized Breast Ultrasound Screening",{"label":15,"type":16,"description":17,"interventionNames":18},"Routine Health Management Group","NO_INTERVENTION","Participants receive conventional community health management and annual physical examination according to local routine practice, without study-specific breast ultrasound screening.",null,[20],{"type":21,"name":22,"description":23,"armGroupLabels":24,"otherNames":18},"PROCEDURE","Standardized Breast Ultrasound Screening","Retrospective AI image analysis for research use only, not involved in clinical decision-making.",[9],[26],{"name":27,"role":28,"phone":29,"phoneExt":18,"email":30},"Ge Ma, doctor","CONTACT","+8618262632870","ntmage@sina.com",[32],{"facility":33,"status":18,"city":34,"state":35,"zip":18,"country":36,"countryCode":37,"cosmosGeoPoint":38,"geoPoint":43,"contacts":44},"Kunshan First People's Hospital","Kunshan","Jiangsu","China","CN",{"type":39,"coordinates":40},"Point",[41,42],120.95431,31.37762,{"lat":42,"lon":41},[45],{"name":46,"role":28,"phone":47,"phoneExt":18,"email":48},"Qin Zhou, doctor","+86-18626179180","4527472@qq.com",{"type":50,"investigatorFullName":51,"investigatorTitle":52,"investigatorAffiliation":5,"oldNameTitle":18,"oldOrganization":18},"PRINCIPAL_INVESTIGATOR","Qiang Ding","Professor","100054274","ultrasound-screening-for-early-detection-of-breast-cancer-in-elderly-women-a-mixed-cluster-individual-rct-100054274",false,"NCT07698366","Ultrasound Screening for Early Detection of Breast Cancer in Elderly Women: A Mixed Cluster-Individual RCT","A Multicenter, Open-label, Mixed Cluster-Individual Randomized Controlled Study on the Efficacy of Breast Cancer Ultrasound Screening","Inclusion Criteria:\n\n\\- Female Age 65-80 years Resident in participating community ≥6 months Signed informed consent\n\nExclusion Criteria:\n\n* History of breast cancer Breast screening within past 2 years Severe comorbid conditions affecting survival Acute breast infection Cognitive impairment affecting participation",true,"FEMALE","65 Years","80 Years",{"count":65,"type":66},82440,"ESTIMATED","INTERVENTIONAL",[69],"NA","This multicenter study aims to evaluate whether active breast ultrasound screening can improve the early diagnosis rate of breast cancer in women aged 65 to 80 years, compared with routine elderly health management. The study uses a mixed cluster-individual randomized design based on community implementation capacity. A subgroup of pilot communities will simultaneously collect ultrasound AI data for research performance analysis only, without affecting clinical diagnosis.",[72,73],"Breast Neoplasms","Early Detection of Cancer","NOT_YET_RECRUITING","2026-07-08",{"date":77,"type":78},"2026-07-13","ACTUAL",{"date":80,"type":66},"2026-07-10",{"date":82,"type":66},"2029-12-31",{"name":5,"class":6},1]