[{"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":47},{"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":21,"briefSummary":23,"conditions":24,"keywords":28,"overallStatus":35,"whyStopped":4,"lastUpdateSubmitDate":36,"lastUpdatePostDateStruct":37,"startDateStruct":40,"completionDateStruct":42,"leadSponsor":44,"locationsCount":4},"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":18,"type":19},120,"ESTIMATED","INTERVENTIONAL",[22],"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.",[25,26,27],"Nephrolithiasis","Urolithiasis","Endourology",[29,30,31,32,33,34],"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":38,"type":39},"2025-03-21","ACTUAL",{"date":41,"type":19},"2025-03-30",{"date":43,"type":19},"2026-03-30",{"name":45,"class":46},"Benha University","OTHER",""]