[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100635979":3},{"organization":4,"armGroups":7,"interventions":10,"overallOfficials":10,"centralContacts":10,"locations":15,"responsibleParty":35,"collaborators":10,"id":38,"slug":39,"hasResults":40,"nctId":41,"briefTitle":42,"officialTitle":43,"acronym":44,"eligibilityCriteria":45,"healthyVolunteers":40,"sex":46,"minAge":47,"maxAge":48,"enrollmentInfo":49,"targetDuration":10,"studyType":52,"phases":10,"briefSummary":53,"conditions":54,"keywords":10,"overallStatus":17,"whyStopped":10,"lastUpdateSubmitDate":56,"lastUpdatePostDateStruct":57,"startDateStruct":60,"completionDateStruct":62,"leadSponsor":64,"locationsCount":65},{"fullName":5,"class":6},"The First Hospital of Jilin University","OTHER",[8,12],{"label":9,"type":10,"description":11,"interventionNames":10},"Retrospective Cohort",null,"This retrospective cohort consecutively enrolled 629 patients with ureteral calculi receiving surgical management from Jan 1, 2018 to Dec 31, 2025 at the First Hospital of Jilin University. Complete preoperative clinical and radiological data were extracted to screen independent risk factors for inflammatory ureteral polyps and construct a predictive logistic model.",{"label":13,"type":10,"description":14,"interventionNames":10},"Prospective Validation Cohort","This prospective validation cohort plans to consecutively recruit 150 eligible ureteral calculi patients from Mar 1, 2026 to Feb 1, 2027 to externally validate the preoperative predictive model derived from retrospective cohort data.",[16],{"facility":5,"status":17,"city":18,"state":19,"zip":20,"country":21,"countryCode":22,"cosmosGeoPoint":23,"geoPoint":28,"contacts":29},"RECRUITING","Changchun","Jilin","130021","China","CN",{"type":24,"coordinates":25},"Point",[26,27],125.32278,43.88,{"lat":27,"lon":26},[30],{"name":31,"role":32,"phone":33,"phoneExt":10,"email":34},"Yanbo Wang","CONTACT","13756469518","wangyanb@jlu.edu.cn",{"type":36,"investigatorFullName":31,"investigatorTitle":37,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"PRINCIPAL_INVESTIGATOR","Professor, Chief Physician of Urology Department","100635979","risk-factors-and-predictive-model-for-inflammatory-polyps-in-ureteral-stones-100635979",false,"NCT07559721","Risk Factors and Predictive Model for Inflammatory Polyps in Ureteral Stones","Risk Factors and Development of a Predictive Model for Stone-Associated Inflammatory Ureteral Polyps: A Retrospective Cohort Study With Prospective Validation","UROLITH-POLYP","Inclusion Criteria:\n\n* Patients aged 18 years or older undergoing ureteroscopic surgery for ureteral calculi at the First Hospital of Jilin University.\n* Complete clinical and imaging data available.\n\nExclusion Criteria:\n\n* Patients with bilateral ureteral calculi.\n* Patients with preoperative nephrostomy or indwelling ureteral stent.\n* Patients with a history of ureteral or bladder cancer.\n* Patients with congenital ureteral anomalies or previous ureteral surgery.\n* Patients with severe coagulation disorders or contraindications to ureteroscopy.\n* Patients unable to provide informed consent.","ALL","18 Years","80 Years",{"count":50,"type":51},779,"ESTIMATED","OBSERVATIONAL","This is a single-center, observational study including a retrospective cohort and a prospective validation cohort. The study aims to identify independent risk factors for inflammatory ureteral polyps in patients with ureteral calculi and develop a preoperative predictive model. The retrospective part will analyze clinical and imaging data of patients treated at the First Hospital of Jilin University between 2018 and 2025. The prospective part is currently recruiting participants to validate the model. The primary outcome is the intraoperative diagnosis of inflammatory ureteral polyps.",[55],"Ureteral Calculi","2026-06-04",{"date":58,"type":59},"2026-06-08","ACTUAL",{"date":61,"type":59},"2018-01-01",{"date":63,"type":51},"2027-02-01",{"name":5,"class":6},1]