[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100619264":3},{"organization":4,"armGroups":7,"interventions":19,"overallOfficials":26,"centralContacts":30,"locations":36,"responsibleParty":55,"collaborators":25,"id":58,"slug":59,"hasResults":60,"nctId":61,"briefTitle":62,"officialTitle":63,"acronym":25,"eligibilityCriteria":64,"healthyVolunteers":60,"sex":65,"minAge":66,"maxAge":67,"enrollmentInfo":68,"targetDuration":25,"studyType":71,"phases":72,"briefSummary":74,"conditions":75,"keywords":77,"overallStatus":39,"whyStopped":25,"lastUpdateSubmitDate":82,"lastUpdatePostDateStruct":83,"startDateStruct":86,"completionDateStruct":88,"leadSponsor":90,"locationsCount":91},{"fullName":5,"class":6},"Helwan University","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Group (1): Retrograde intrarenal surgery using a bendable tip-suction ureteral access sheath","ACTIVE_COMPARATOR","During retrograde intrarenal surgery, an ureteral access sheath with bendable tip \\& connected to suction system will be used.",[13],"Procedure: Retrograde intrarenal surgery",{"label":15,"type":16,"description":17,"interventionNames":18},"Group (2): Retrograde intrarenal surgery using a conventional ureteral access sheath","PLACEBO_COMPARATOR","During retrograde intrarenal surgery, a conventional ureteral access sheath will be used.",[13],[20],{"type":21,"name":22,"description":23,"armGroupLabels":24,"otherNames":25},"PROCEDURE","Retrograde intrarenal surgery","Retrograde intrarenal surgery with using laser for management of renal staghorn stones",[9,15],null,[27],{"name":28,"affiliation":5,"role":29},"Ahmed H Elsergany, MSc","PRINCIPAL_INVESTIGATOR",[31],{"name":32,"role":33,"phone":34,"phoneExt":25,"email":35},"Ahmed H Elsergany, MSc.","CONTACT","+20 1151405155","dr_sergany2014@hotmail.com",[37],{"facility":38,"status":39,"city":40,"state":25,"zip":41,"country":42,"countryCode":43,"cosmosGeoPoint":44,"geoPoint":49,"contacts":50},"Faculty of medicine, Helwan University","RECRUITING","Cairo","11795","Egypt","EG",{"type":45,"coordinates":46},"Point",[47,48],31.24967,30.06263,{"lat":48,"lon":47},[51],{"name":52,"role":33,"phone":53,"phoneExt":25,"email":54},"Mohammed H Ali, MD","+20 1005116684","mohamed.soliman@med.helwan.edu.eg",{"type":29,"investigatorFullName":56,"investigatorTitle":57,"investigatorAffiliation":5,"oldNameTitle":25,"oldOrganization":25},"Ahmed Hassan Ahmed Hassan Elsergany","Principal Investigator","100619264","using-retrograde-intrarenal-surgery-for-managing-staghorn-renal-stones-100619264",false,"NCT07342361","Using Retrograde Intrarenal Surgery for Managing Staghorn Renal Stones.","Using Bendable Tip-suction Ureteral Access Sheath Compared to Conventional Sheath in Managing Renal Staghorn Stones A Randomized Prospective Study","Inclusion Criteria:\n\n* Adult patients of both sexes.\n* Patient has a staghorn renal stone (complete or partial staghorn).\n* Normal renal function tests.\n* Congenital renal anomalies as horseshoe, pelvic or mal-rotated kidneys.\n\nExclusion Criteria:\n\n* Abnormal coagulation profile.\n* Active or untreated urinary tract infection.\n* Age under 18 years or above 70 years.\n* Patient has a staghorn stone associated with other pathology which requires additional intervention, as ureteral stricture or ureteropelvic junction obstruction (UPJO).\n* Pregnancy.","ALL","18 Years","70 Years",{"count":69,"type":70},100,"ESTIMATED","INTERVENTIONAL",[73],"NA","This prospective, randomized study is comparing the safety and efficacy of using two types of ureteral access sheaths in managing staghorn renal stones by retrograde intrarenal surgery.",[76],"Renal Calculi",[78,79,80,81],"staghorn calculi","retrograde intrarenal surgery","Ureteral access sheath","Suction","2026-01-30",{"date":84,"type":85},"2026-02-03","ACTUAL",{"date":87,"type":85},"2026-01-20",{"date":89,"type":70},"2026-12-01",{"name":5,"class":6},1]