[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"endourology\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:endourology":28},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,1,0,[8],{"id":9,"slug":10,"hasResults":11,"nctId":12,"briefTitle":13,"officialTitle":14,"acronym":4,"eligibilityCriteria":15,"healthyVolunteers":11,"sex":16,"minAge":17,"maxAge":4,"enrollmentInfo":18,"targetDuration":4,"studyType":21,"phases":22,"briefSummary":24,"conditions":25,"keywords":29,"overallStatus":36,"whyStopped":4,"lastUpdateSubmitDate":37,"lastUpdatePostDateStruct":38,"startDateStruct":41,"completionDateStruct":43,"leadSponsor":45,"locationsCount":4},"100584416","comparison-of-flexible--navigable-suction-ureteral-access-sheath-vs-antegrade-suction-in-retrograde-flexible-ureteroscopy-for-lower-calyceal-stones-100584416",false,"NCT06889051","Comparison of Flexible & Navigable Suction Ureteral Access Sheath vs. Antegrade Suction in Retrograde Flexible Ureteroscopy for Lower Calyceal Stones","Comparison Study Between Using Retrograde Flexible Ureteroscopy With Flexible & Navigable Suction Ureteral Access Sheath Versus Retrograde Flexible Ureteroscopy With Antegrade Suction in Lower Calyceal Stone: A Randomized Controlled Trial","Inclusion Criteria:\n\n* Adult patients (≥18 years old)\n* Patients diagnosed with renal stones (1.5-2 cm) confirmed by non-contrast computed tomography (NCCT)\n* Patients undergoing flexible ureteroscopy (FURS) as the primary treatment approach\n* Patients with no active urinary tract infection (UTI) at baseline\n* Patients who provide written informed consent\n\nExclusion Criteria:\n\n* Patients with anatomical anomalies (e.g., horseshoe kidney, PUJ obstruction)\n* Patients with a single functioning kidney\n* Pregnant women\n* Patients with a history of urological malignancy\n* Patients with active bleeding disorders or those on anticoagulant therapy that cannot be safely discontinued\n* Patients at high risk for anesthesia","ALL","18 Years",{"count":19,"type":20},120,"ESTIMATED","INTERVENTIONAL",[23],"NA","This randomized controlled trial aims to compare the efficacy and safety of two suction techniques during retrograde flexible ureteroscopy (FURS) for lower calyceal renal stones measuring 1.5-2 cm. The study evaluates Flexible \\& Navigable Suction Ureteral Access Sheath (FANS) versus Antegrade Suction (via percutaneous access) in improving stone-free rates (SFR), reducing operative time, and minimizing complications such as bleeding, ureteral injury, and infection. A total of 120 adult patients will be randomized into two groups, undergoing either flexible ureteroscopy (FURS) with Flexible \\& Navigable Suction Ureteral Access Sheath (FANS) or flexible ureteroscopy (FURS) with antegrade suction, at Banha University Faculty of Medicine.",[26,27,28],"Nephrolithiasis","Urolithiasis","Endourology",[30,31,32,33,34,35],"Flexible Ureteroscopy (FURS)","Ureteral Access Sheath (UAS)","Suction Ureteral Access Sheath (FANS)","Antegrade Suction","Percutaneous Nephrostomy (PCN)","Laser Lithotripsy","NOT_YET_RECRUITING","2025-03-15",{"date":39,"type":40},"2025-03-21","ACTUAL",{"date":42,"type":20},"2025-03-30",{"date":44,"type":20},"2026-03-30",{"name":46,"class":47},"Benha University","OTHER"]