[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100635820":3},{"organization":4,"armGroups":7,"interventions":7,"overallOfficials":8,"centralContacts":14,"locations":22,"responsibleParty":39,"collaborators":7,"id":41,"slug":42,"hasResults":43,"nctId":44,"briefTitle":45,"officialTitle":46,"acronym":47,"eligibilityCriteria":48,"healthyVolunteers":49,"sex":50,"minAge":51,"maxAge":7,"enrollmentInfo":52,"targetDuration":55,"studyType":56,"phases":7,"briefSummary":57,"conditions":58,"keywords":60,"overallStatus":25,"whyStopped":7,"lastUpdateSubmitDate":66,"lastUpdatePostDateStruct":67,"startDateStruct":70,"completionDateStruct":72,"leadSponsor":74,"locationsCount":75},{"fullName":5,"class":6},"Fudan University","OTHER",null,[9,12],{"name":10,"affiliation":5,"role":11},"Yajia Gu, MD","PRINCIPAL_INVESTIGATOR",{"name":13,"affiliation":5,"role":11},"Chao You, MD",[15,19],{"name":13,"role":16,"phone":17,"phoneExt":7,"email":18},"CONTACT","+86-021-15800780035","youchao@fudan.edu.cn",{"name":10,"role":16,"phone":20,"phoneExt":7,"email":21},"+86-021-18017312040","guyajia@fudan.edu.cn",[23],{"facility":24,"status":25,"city":26,"state":7,"zip":27,"country":28,"countryCode":29,"cosmosGeoPoint":30,"geoPoint":35,"contacts":36},"Fudan University Shanghai Cancer Center","RECRUITING","Shanghai","200032","China","CN",{"type":31,"coordinates":32},"Point",[33,34],121.45806,31.22222,{"lat":34,"lon":33},[37,38],{"name":13,"role":16,"phone":17,"phoneExt":7,"email":18},{"name":10,"role":16,"phone":20,"phoneExt":7,"email":21},{"type":11,"investigatorFullName":10,"investigatorTitle":40,"investigatorAffiliation":5,"oldNameTitle":7,"oldOrganization":7},"Professor, Department of Radiology, Fudan University Shanghai Cancer Center","100635820","opportunistic-breast-cancer-screening-using-non-contrast-chest-ct-100635820",false,"NCT07557654","Opportunistic Breast Cancer Screening Using Non-Contrast Chest CT","Artificial Intelligence-Assisted Opportunistic Screening for Breast Cancer Using Non-Contrast Chest CT: A Comparative Study With Mammography and\u002For Breast MRI","OPBCS-CT","Inclusion Criteria:\n\n1. Female patients who have undergone non-contrast chest CT examination;\n2. Participants included in the comparative analysis must have undergone at least one comparator imaging modality (mammography and\u002For breast MRI);\n3. If a breast lesion is detected, it must be confirmed by pathology or clinical follow-up at least 12 months;\n4. No prior systemic or local therapy before imaging examinations;\n5. Imaging data are complete and of sufficient quality for analysis.\n\nExclusion Criteria:\n\n1. History of other malignancies with potential impact on breast imaging interpretation;\n2. Participants with suspected malignant breast lesions but no confirmation;\n3. Prior radiotherapy, chemotherapy, or immunotherapy before imaging examinations;\n4. Imaging data that are incomplete, of poor quality, or contain significant artifacts preventing reliable analysis;\n5. Time interval between non-contrast chest CT and comparator imaging modalities exceeding three months, or with clinical events occurring between examinations that may alter lesion status.",true,"FEMALE","18 Years",{"count":53,"type":54},5000,"ESTIMATED","2 Years","OBSERVATIONAL","The goal of this observational study is to evaluate the feasibility and effectiveness of using non-contrast chest computed tomography scans for opportunistic breast cancer screening, and to further compare its diagnostic performance with conventional imaging modalities, including mammography and\u002For breast magnetic resonance imaging.",[59],"Breast Cancer",[59,61,62,63,64,65],"Opportunistic Screening","Chest Computed Tomography","Mammography","Breast Magnetic Resonance Imaging","Artificial Intelligence","2026-06-11",{"date":68,"type":69},"2026-06-15","ACTUAL",{"date":71,"type":69},"2026-05-06",{"date":73,"type":54},"2029-05-01",{"name":5,"class":6},1]