[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100620648":3},{"organization":4,"armGroups":7,"interventions":24,"overallOfficials":34,"centralContacts":38,"locations":46,"responsibleParty":61,"collaborators":28,"id":64,"slug":28,"hasResults":65,"nctId":66,"briefTitle":67,"officialTitle":68,"acronym":69,"eligibilityCriteria":70,"healthyVolunteers":65,"sex":71,"minAge":72,"maxAge":73,"enrollmentInfo":74,"targetDuration":28,"studyType":77,"phases":78,"briefSummary":80,"conditions":81,"keywords":84,"overallStatus":49,"whyStopped":28,"lastUpdateSubmitDate":88,"lastUpdatePostDateStruct":89,"startDateStruct":92,"completionDateStruct":93,"leadSponsor":95,"locationsCount":96},{"fullName":5,"class":6},"Ain Shams University","OTHER",[8,14,19],{"label":9,"type":10,"description":11,"interventionNames":12},"LithoVue™ (Boston Scientific Corporation)","ACTIVE_COMPARATOR","Participants randomized to this arm will undergo retrograde intrarenal surgery (RIRS) for renal stone management using the LithoVue™ single-use digital flexible ureteroscope.",[13],"Device: LithoVue™ (Boston Scientific Corporation)",{"label":15,"type":10,"description":16,"interventionNames":17},"WiScope® (OTU Medical Inc. (Silicon Valley, USA))","Participants randomized to this arm will undergo retrograde intrarenal surgery (RIRS) for renal stone management using the WiScope® single-use digital flexible ureteroscope.",[18],"Device: WiScope® (OTU Medical Inc. (Silicon Valley, USA))",{"label":20,"type":10,"description":21,"interventionNames":22},"Single-Use Ureterorenoscope (Scivita Medical Technology Co., Ltd.)","Participants randomized to this arm will undergo retrograde intrarenal surgery (RIRS) for renal stone management using the single-use digital flexible ureterorenoscope manufactured by Scivita Medical Technology Co., Ltd.",[23],"Device: Single-Use Ureterorenoscope (Scivita Medical Technology Co., Ltd.)",[25,29,32],{"type":26,"name":9,"description":11,"armGroupLabels":27,"otherNames":28},"DEVICE",[9],null,{"type":26,"name":15,"description":30,"armGroupLabels":31,"otherNames":28},"Participants randomized to this arm will undergo retrograde intrarenal surgery (RIRS) for renal stone management using the WiScope single-use digital flexible ureteroscope.",[15],{"type":26,"name":20,"description":21,"armGroupLabels":33,"otherNames":28},[20],[35],{"name":36,"affiliation":5,"role":37},"Hesham E Khayrallah, Resident","PRINCIPAL_INVESTIGATOR",[39,43],{"name":36,"role":40,"phone":41,"phoneExt":28,"email":42},"CONTACT","+201016704043","heshamkhayrallah111@gmail.com",{"name":44,"role":40,"phone":45,"phoneExt":28,"email":28},"Ashraf M Satour, Lecturer","+201050505463",[47],{"facility":48,"status":49,"city":50,"state":28,"zip":51,"country":52,"cosmosGeoPoint":53,"geoPoint":58,"contacts":59},"Ain Shams University hospital","RECRUITING","Cairo","11566","Egypt",{"type":54,"coordinates":55},"Point",[56,57],31.24967,30.06263,{"lat":57,"lon":56},[60],{"name":36,"role":40,"phone":41,"phoneExt":28,"email":42},{"type":37,"investigatorFullName":62,"investigatorTitle":63,"investigatorAffiliation":5,"oldNameTitle":28,"oldOrganization":28},"Hesham Elsayed Mohammed","Principal Investigator","100620648",false,"NCT07360353","Comparison Between Different Types of Flexible Ureteroscopes","A Comparative Study of Performance and Cost-effectiveness of Three Different Single-Use Flexible Ureteroscopes in the Management of Renal Stones: A Randomized Clinical Trial","FURS","Inclusion Criteria:\n\n* Patients aged 18 to 60 years.\n* Presence of renal stones measuring less than 20 millimeters (mm).\n\nExclusion Criteria:\n\n* Renal stones larger than 20 millimeters (mm).\n* Uncontrolled bleeding disorders or coagulopathies.\n* Active urinary tract infection.\n* Renal failure.\n* Uncontrolled diabetes mellitus, hypertension, or hepatic dysfunction.\n* Pregnancy.\n* Abnormal urinary tract anatomy or known ureteric stricture.\n* History of previous open ureteric surgery.","ALL","18 Years","60 Years",{"count":75,"type":76},180,"ESTIMATED","INTERVENTIONAL",[79],"NA","The current study aims to compare the performance of three distinct single-use digital flexible ureteroscope types in terms of cost-effectiveness, postoperative complications, operating time, and stone-free rates (SFRs).",[82,83],"Renal Calculi","Nephrolithiasis",[85,86,87],"Flexible ureteroscopy","Single-use flexible ureteroscope","Renal stones","2026-01-25",{"date":90,"type":91},"2026-01-27","ACTUAL",{"date":88,"type":91},{"date":94,"type":76},"2026-09-01",{"name":5,"class":6},1]