[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100283322":3},{"organization":4,"armGroups":7,"interventions":14,"overallOfficials":24,"centralContacts":29,"locations":33,"responsibleParty":35,"collaborators":38,"id":44,"slug":45,"hasResults":46,"nctId":47,"briefTitle":48,"officialTitle":49,"acronym":33,"eligibilityCriteria":50,"healthyVolunteers":46,"sex":51,"minAge":52,"maxAge":53,"enrollmentInfo":54,"targetDuration":33,"studyType":57,"phases":58,"briefSummary":60,"conditions":61,"keywords":33,"overallStatus":63,"whyStopped":33,"lastUpdateSubmitDate":64,"lastUpdatePostDateStruct":65,"startDateStruct":68,"completionDateStruct":70,"leadSponsor":72,"locationsCount":33},{"fullName":5,"class":6},"Shanghai Jiao Tong University School of Medicine","OTHER",[8],{"label":9,"type":10,"description":11,"interventionNames":12},"Suspected gastric cancerous lesions","EXPERIMENTAL","Magnifying endoscopy with NBI would be conducted for every patient included in our study",[13],"Device: NBI",[15],{"type":16,"name":17,"description":18,"armGroupLabels":19,"otherNames":20},"DEVICE","NBI","Endoscopic factors under white light view and simplified narrow band imaging classification assisting in diagnosing cancerous lesions will be recorded.",[9],[21,22,23],"Evis Lucera system (CV-260, Olympus Inc, Japan)","high-definition colonoscopes (CF-H260AL, Olympus Inc, Japan)","magnifying colonoscopes (CF-H260AZL, Olympus Inc, Japan)",[25],{"name":26,"affiliation":27,"role":28},"Xiaobo Li, MD.Ph.D","Departments of Gastroenterology and Clinical Laboratory, Shanghai Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai,China,Shanghai Institute of Digestive Disease, Shanghai","PRINCIPAL_INVESTIGATOR",[30],{"name":26,"role":31,"phone":32,"phoneExt":33,"email":34},"CONTACT","86-21-58752345",null,"lxb_1969@163.com",{"type":28,"investigatorFullName":36,"investigatorTitle":37,"investigatorAffiliation":5,"oldNameTitle":33,"oldOrganization":33},"Xiaobo Li","Professor",[39,41],{"name":40,"class":6},"Shanghai Putuo District Center Hospital",{"name":42,"class":43},"Shanghai MCC worker hospital","UNKNOWN","100283322","a-predictive-model-based-on-narrow-band-imaging-for-early-gastric-cancerous-lesions-100283322",false,"NCT02968069","A Predictive Model Based on Narrow Band Imaging for Early Gastric Cancerous Lesions","Development and Validation of a Predictive Model for Early Gastric Cancerous Lesions Under Endoscopic Observation","Inclusion Criteria:\n\n* Suspected of having a cancerous lesions\n* The age of patients is from 40-80 years\n* Patients must undergo esophagogastroduodenoscopy\n\nExclusion Criteria:\n\n* Clinical diagnosis of advanced gastric cancer\n* Acute upper gastrointestinal bleeding\n* Severe systemic diseases\n* Refuse to attend the study","ALL","20 Years","80 Years",{"count":55,"type":56},300,"ESTIMATED","INTERVENTIONAL",[59],"NA","Without high diagnostic efficacy of endoscopic forceps biopsy (EFB) and with low diagnostic efficacy of narrow band imaging (NBI) in novice endoscopists and endoscopists of community hospitals in China, it is urgent to improve diagnostic efficacy for gastric cancerous lesions.The investigators will conduct a study to develop and validate a diagnostic model based on NBI for early gastric cancerous lesions under endoscopic observation.",[62],"Early Gastric Cancer","NOT_YET_RECRUITING","2025-09-27",{"date":66,"type":67},"2025-10-02","ACTUAL",{"date":69,"type":56},"2025-10-10",{"date":71,"type":56},"2026-10-01",{"name":5,"class":6}]