[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100584977":3},{"organization":4,"armGroups":7,"interventions":22,"overallOfficials":10,"centralContacts":27,"locations":33,"responsibleParty":51,"collaborators":10,"id":55,"slug":56,"hasResults":57,"nctId":58,"briefTitle":59,"officialTitle":60,"acronym":10,"eligibilityCriteria":61,"healthyVolunteers":62,"sex":63,"minAge":64,"maxAge":10,"enrollmentInfo":65,"targetDuration":10,"studyType":68,"phases":10,"briefSummary":69,"conditions":70,"keywords":10,"overallStatus":36,"whyStopped":10,"lastUpdateSubmitDate":73,"lastUpdatePostDateStruct":74,"startDateStruct":77,"completionDateStruct":79,"leadSponsor":81,"locationsCount":82},{"fullName":5,"class":6},"Fudan University","OTHER",[8,14,18],{"label":9,"type":10,"description":11,"interventionNames":12},"exposure group",null,"HP positive with high-risk SNP subtypes",[13],"Other: observational study",{"label":15,"type":10,"description":16,"interventionNames":17},"Control 1","Hp positive + non-high risk SNP",[13],{"label":19,"type":10,"description":20,"interventionNames":21},"Control 2","Hp negative",[13],[23],{"type":6,"name":24,"description":25,"armGroupLabels":26,"otherNames":10},"observational study","By prospectively following a population of asymptomatic carriers carrying high-risk Hp SNP subtypes and non-high-risk subtypes, the incidence of gastric cancer and progression of gastric precancerous lesions were compared between the groups.",[15,19,9],[28],{"name":29,"role":30,"phone":31,"phoneExt":10,"email":32},"Dazhi Xu, PhD","CONTACT","86-18121299796","xudzh@fudan.edu.cn",[34],{"facility":35,"status":36,"city":37,"state":10,"zip":10,"country":38,"countryCode":39,"cosmosGeoPoint":40,"geoPoint":45,"contacts":46},"People's Hospital of Tongling City","RECRUITING","Tongling","China","CN",{"type":41,"coordinates":42},"Point",[43,44],117.78333,30.95,{"lat":44,"lon":43},[47],{"name":48,"role":30,"phone":49,"phoneExt":10,"email":50},"Guihe Wang","86-05625838104","2175613200@qq.com",{"type":52,"investigatorFullName":53,"investigatorTitle":54,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"PRINCIPAL_INVESTIGATOR","Dazhi Xu","Director","100584977","an-observational-study-for-gastric-cancer-in-carriers-of-high-risk-helicobacter-pylori-100584977",false,"NCT06896370","An Observational Study for Gastric Cancer in Carriers of High Risk Helicobacter Pylori","Risk of Gastric Cancer in High-risk Carriers of Helicobacter Pylori: an Observational Cohort Study","Inclusion Criteria :\n\n1. Age ≥ 40 years, gender is not limited.\n2. Able and willing to provide informed consent and willing to undergo baseline and follow-up examinations.\n\nExclusion Criteria:\n\n1. A history of diagnosed gastric cancer or other malignant tumors of the digestive tract.\n2. Comorbid severe underlying conditions (e.g., severe cardiopulmonary insufficiency, liver or renal failure, etc.) that are likely to result in a short life expectancy or render long-term follow-up impractical.\n3. Severe mental illness or incapacity to participate in the study due to lack of civil behavior.\n4. Pregnant or breastfeeding women.\n5. Other conditions that the investigator deems inappropriate for participation in the study.",true,"ALL","40 Years",{"count":66,"type":67},3000,"ESTIMATED","OBSERVATIONAL","This study is intended to be a prospective observational cohort study. The incidence of gastric cancer and progression of gastric precancerous lesions will be compared between groups through prospective follow-up of a population with baseline negative gastric endoscopy, harboring high-risk Hp SNP subtypes and non-high-risk subtypes.",[71,72],"Gastric (Stomach) Cancer","Helicobacter Infection","2026-02-23",{"date":75,"type":76},"2026-02-25","ACTUAL",{"date":78,"type":76},"2025-07-01",{"date":80,"type":67},"2035-12-31",{"name":5,"class":6},1]