[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"serrated-polyp\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:serrated-polyp":37},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,1,0,[8],{"id":9,"slug":4,"hasResults":10,"nctId":11,"briefTitle":12,"officialTitle":13,"acronym":4,"eligibilityCriteria":14,"healthyVolunteers":10,"sex":15,"minAge":16,"maxAge":4,"enrollmentInfo":17,"targetDuration":4,"studyType":20,"phases":4,"briefSummary":21,"conditions":22,"keywords":4,"overallStatus":25,"whyStopped":4,"lastUpdateSubmitDate":26,"lastUpdatePostDateStruct":27,"startDateStruct":30,"completionDateStruct":32,"leadSponsor":34,"locationsCount":4},"100645225",false,"NCT07678788","Study on the Association Between Serrated Polyps and Metachronous Advanced Colorectal Neoplastic Lesions","Risk Factors for Metachronous Advanced Colorectal Lesions After Endoscopic Resection of Serrated Lesions","Inclusion Criteria:\n\n* Adult patients aged \\> 18 years;At least one SP detected during the index colonoscopy and pathologically confirmed as TSA or SSL (according to the 2019 WHO classification criteria);Underwent complete polypectomy during the index colonoscopy;Received regular follow-up at Changhai Hospital, with an interval of ≥ 6 months between the index and follow-up colonoscopies;Complete clinical and pathological data.\n\nExclusion Criteria:\n\n* Incomplete colonoscopy or failed cecal intubation;Inadequate bowel preparation, defined as a Boston Bowel Preparation Scale (BBPS) score \\\u003C 6 or a score \\\u003C 2 in any bowel segment;Withdrawal time \\\u003C 6 minutes;Diagnosis of hereditary cancer syndromes, such as familial adenomatous polyposis (FAP) or Lynch syndrome;Concurrent inflammatory bowel disease (IBD) or indeterminate colitis;History of colorectal cancer or other malignancies;Incomplete clinical or pathological records.","ALL","18 Years",{"count":18,"type":19},750,"ESTIMATED","OBSERVATIONAL","This study aims to explore the risk factors associated with the development of ACN and same-site ACN in patients with SP, thereby informing the optimization of clinical surveillance strategies",[23,24],"Sessile Serrated Lesion","Serrated Polyp","NOT_YET_RECRUITING","2026-06-25",{"date":28,"type":29},"2026-07-01","ACTUAL",{"date":31,"type":19},"2026-06-01",{"date":33,"type":19},"2026-12-01",{"name":35,"class":36},"Changhai Hospital","OTHER",""]