[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100613033":3},{"organization":4,"armGroups":7,"interventions":18,"overallOfficials":26,"centralContacts":31,"locations":41,"responsibleParty":55,"collaborators":23,"id":59,"slug":23,"hasResults":60,"nctId":61,"briefTitle":62,"officialTitle":63,"acronym":23,"eligibilityCriteria":64,"healthyVolunteers":60,"sex":65,"minAge":66,"maxAge":67,"enrollmentInfo":68,"targetDuration":23,"studyType":71,"phases":72,"briefSummary":74,"conditions":75,"keywords":77,"overallStatus":82,"whyStopped":23,"lastUpdateSubmitDate":83,"lastUpdatePostDateStruct":84,"startDateStruct":87,"completionDateStruct":89,"leadSponsor":91,"locationsCount":92},{"fullName":5,"class":6},"Fudan University","OTHER",[8,13],{"label":9,"type":10,"description":9,"interventionNames":11},"Standard second examination of the sigmoid colon","ACTIVE_COMPARATOR",[12],"Device: standard second examination of the sigmoid colon",{"label":14,"type":15,"description":14,"interventionNames":16},"transparent cap-assisted second examination of the sigmoid colon","EXPERIMENTAL",[17],"Device: transparent cap-assisted second examination of the sigmoid colon",[19,24],{"type":20,"name":21,"description":21,"armGroupLabels":22,"otherNames":23},"DEVICE","standard second examination of the sigmoid colon",[9],null,{"type":20,"name":14,"description":14,"armGroupLabels":25,"otherNames":23},[14],[27],{"name":28,"affiliation":29,"role":30},"Danian Ji","Huadong Hospital","STUDY_DIRECTOR",[32,37],{"name":33,"role":34,"phone":35,"phoneExt":23,"email":36},"Danian Ji, M.D.","CONTACT","+86-18019094606","arctg4@163.com",{"name":38,"role":34,"phone":39,"phoneExt":23,"email":40},"Zhiyu Dong, M.D.","+86-18817870866","18817870866@163.com",[42],{"facility":43,"status":23,"city":44,"state":45,"zip":46,"country":47,"countryCode":48,"cosmosGeoPoint":49,"geoPoint":54,"contacts":23},"Huadong hospital, Fudan university","Shanghai","Shanghai Municipality","200040","China","CN",{"type":50,"coordinates":51},"Point",[52,53],121.45806,31.22222,{"lat":53,"lon":52},{"type":56,"investigatorFullName":57,"investigatorTitle":58,"investigatorAffiliation":5,"oldNameTitle":23,"oldOrganization":23},"PRINCIPAL_INVESTIGATOR","Zhijun Bao","Director","100613033",false,"NCT07261319","Evaluating the Clinical Value of Transparent Cap-Assisted Second Examination of the Sigmoid Colon for Improving Colorectal Adenoma Detection Rates","Evaluating the Clinical Value of Transparent Cap-Assisted Second Examination of the Sigmoid Colon for Improving Colorectal Adenoma Detection Rates：A Single-center, Randomized Controlled Study","Inclusion Criteria:\n\n* aged 45-75 years\n\nExclusion Criteria:\n\n* Patients scheduled for therapeutic colonoscopy as postoperative surveillance after colorectal surgery, post-polypectomy follow-up, or treatment of histologically confirmed polyps\n* Patients with highly suspected or pathologically confirmed colorectal cancer\n* Patients presenting with alarm symptoms or signs (hematochezia, melena, unexplained anemia or weight loss, palpable abdominal mass, or a positive digital rectal examination)\n* Pregnant or breastfeeding women\n* Patients with gastrointestinal obstruction\n* Patients with inflammatory bowel disease, familial adenomatous polyposis, or serrated polyposis syndrome\n* Patients who have taken anticoagulants (e.g., aspirin, warfarin) within 7 days before colonoscopy or who have coagulation disorders\n* Patients currently enrolled in another clinical study or who participated in any clinical trial within the past 60 days\n* Insertion failure for any reason (e.g., scope cannot pass an obstruction, patient cannot tolerate the procedure) or colonoscopy not reaching the cecum\n* A Boston Bowel Preparation Scale (BBPS) score \\\u003C 6 at scope insertion (inadequate preparation requiring repeat bowel cleansing)\n* Use of non-guideline-recommended bowel preparation agents\n* Patients undergoing emergency colonoscopy\n* Inadequate withdrawal time (defined as a withdrawal time \\\u003C6 minutes during the first examination or \\\u003C2 minutes during the second examination)","ALL","45 Years","75 Years",{"count":69,"type":70},614,"ESTIMATED","INTERVENTIONAL",[73],"NA","A prospective, single-center, single-blind, randomized controlled study to evaluate the clinical value of transparent cap-assisted second examination of the sigmoid colon for improving colorectal adenoma detection rates",[76],"Colorectal Adenoma",[78,79,80,81],"transparent cap","adenoma detection rate","second examination","sigmoid colon","NOT_YET_RECRUITING","2025-11-22",{"date":85,"type":86},"2025-12-03","ACTUAL",{"date":88,"type":70},"2025-12-15",{"date":90,"type":70},"2027-12-15",{"name":5,"class":6},1]