[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100650048":3},{"organization":4,"armGroups":7,"interventions":14,"overallOfficials":19,"centralContacts":24,"locations":29,"responsibleParty":49,"collaborators":10,"id":52,"slug":53,"hasResults":54,"nctId":55,"briefTitle":56,"officialTitle":56,"acronym":10,"eligibilityCriteria":57,"healthyVolunteers":54,"sex":58,"minAge":59,"maxAge":10,"enrollmentInfo":60,"targetDuration":63,"studyType":64,"phases":10,"briefSummary":65,"conditions":66,"keywords":69,"overallStatus":32,"whyStopped":10,"lastUpdateSubmitDate":73,"lastUpdatePostDateStruct":74,"startDateStruct":77,"completionDateStruct":79,"leadSponsor":81,"locationsCount":82},{"fullName":5,"class":6},"Al-Azhar University","OTHER",[8],{"label":9,"type":10,"description":11,"interventionNames":12},"Patients with fixed JJ stent",null,"All adult patients who undergo Double-J ureteral stent insertion for standard urological indications during the study period will be assessed for eligibility.\n\nPatients will be followed until stent removal, and microbiological evaluation will be performed on both urine and stent specimens at the time of removal",[13],"Diagnostic Test: Urine and stent cultures",[15],{"type":16,"name":17,"description":11,"armGroupLabels":18,"otherNames":10},"DIAGNOSTIC_TEST","Urine and stent cultures",[9],[20],{"name":21,"affiliation":22,"role":23},"Mohamed Fawzy Salman, MD","Lecturer of urology","PRINCIPAL_INVESTIGATOR",[25],{"name":21,"role":26,"phone":27,"phoneExt":10,"email":28},"CONTACT","0201111788996","prof_mohamed_fawzy@yahoo.com",[30],{"facility":31,"status":32,"city":33,"state":10,"zip":10,"country":34,"countryCode":35,"cosmosGeoPoint":36,"geoPoint":41,"contacts":42},"Mohamed Fawzy Salman","RECRUITING","Cairo","Egypt","EG",{"type":37,"coordinates":38},"Point",[39,40],31.24967,30.06263,{"lat":40,"lon":39},[43,45,47],{"name":21,"role":26,"phone":44,"phoneExt":10,"email":10},"01111788996",{"name":46,"role":26,"phone":44,"phoneExt":10,"email":28},"Mohamed Fawzy salman, MD",{"name":48,"role":23,"phone":10,"phoneExt":10,"email":10},"salman, MD",{"type":23,"investigatorFullName":50,"investigatorTitle":51,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"Mohamed Fawzy Abd Elfattah Salman","Lecturer of Urology","100650048","risk-factors-and-clinical-implications-of-double-j-ureteral-stent-bacterial-colonization-a-prospective-cohort-study-100650048",false,"NCT07740811","Risk Factors and Clinical Implications of Double-J Ureteral Stent Bacterial Colonization: A Prospective Cohort Study","Inclusion Criteria:\n\n* Patients undergoing temporary Double-J ureteral stent insertion.\n* Stent inserted for a standard urological indication, including ureteric stone disease, ureteral obstruction, postoperative drainage, or ureteral injury repair.\n* Planned stent removal during the study follow-up period.\n* Availability for clinical follow-up and specimen collection at insertion and removal.\n* Provision of written informed consent.\n\nExclusion Criteria:\n\n* Active urosepsis at the time of stent insertion.\n* Permanent or intended long-term stenting outside the study framework.\n* Concomitant nephrostomy tube or urinary diversion that may confound microbiological results.\n* Known severe immunosuppression or neutropenia if expected to substantially alter colonization risk.\n* Patients with incomplete baseline clinical data.\n* Patients lost to follow-up or whose stent could not be retrieved for microbiological analysis.\n* Refusal to participate.","ALL","18 Years",{"count":61,"type":62},400,"ESTIMATED","2 Weeks","OBSERVATIONAL","To identify the risk factors associated with bacterial colonization of Double-J ureteral stents and to evaluate its clinical implications, including bacteriuria, UTI, antimicrobial resistance, and stent-related symptoms.",[67,68],"UTI","Bacterial Colonization",[67,70,71,72],"Bacterial colonization","JJ stent","infection","2026-07-28",{"date":75,"type":76},"2026-08-03","ACTUAL",{"date":78,"type":76},"2026-04-01",{"date":80,"type":62},"2028-05-01",{"name":5,"class":6},1]