[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100611301":3},{"organization":4,"armGroups":7,"interventions":14,"overallOfficials":22,"centralContacts":26,"locations":33,"responsibleParty":52,"collaborators":31,"id":56,"slug":57,"hasResults":58,"nctId":59,"briefTitle":60,"officialTitle":61,"acronym":31,"eligibilityCriteria":62,"healthyVolunteers":58,"sex":63,"minAge":64,"maxAge":31,"enrollmentInfo":65,"targetDuration":31,"studyType":68,"phases":69,"briefSummary":71,"conditions":72,"keywords":75,"overallStatus":36,"whyStopped":31,"lastUpdateSubmitDate":77,"lastUpdatePostDateStruct":78,"startDateStruct":81,"completionDateStruct":83,"leadSponsor":85,"locationsCount":86},{"fullName":5,"class":6},"Zagazig University","OTHER_GOV",[8],{"label":9,"type":10,"description":11,"interventionNames":12},"main arm .. single arm","EXPERIMENTAL","Patients with lower calyceal stones",[13],"Device: flexible and navigable suction sheath with flexible ureteroscopy",[15],{"type":16,"name":17,"description":18,"armGroupLabels":19,"otherNames":20},"DEVICE","flexible and navigable suction sheath with flexible ureteroscopy","placement of flexible and navigable suction sheath (FANS)which has an oblique side branch with pressure vent, that can be connected to negative pressure aspiration, and a flexible tip, allowing for efficient and effective treatment of urinary stones.\n\n* Flexible URS diameter will be at the least 2 Fr smaller than the sheath.\n* The main tube is closed by a rubber seal with a center aperture as the flexible ureteroscope pathway, The oblique tube with a pressure-regulating venting slit along the longitudinal axis acts as a suctioning channel connected to a vacuum device.\n* The inflow of irrigation is through the endoscope, the outflow of irrigation is between the scope and the sheath.\n* A vortex is created at the distal end of the sheath, the irrigation fluid, the stone fragments, dust, and blood, etc. in the vortex can be aspirated out.\n* The aspiration pressure can be adjusted by the pressure vent on the oblique side branch of the sheath.",[9],[21],"FANS ureteral access sheath",[23],{"name":24,"affiliation":5,"role":25},"Abdul Latif Mohammed Zayed, professor of urology","STUDY_DIRECTOR",[27],{"name":28,"role":29,"phone":30,"phoneExt":31,"email":32},"Mahmoud Ahmed Lasheen, Resident","CONTACT","+201069524468",null,"ma.ahmed24@fakmed.zu.edu.eg",[34],{"facility":35,"status":36,"city":37,"state":31,"zip":38,"country":39,"countryCode":40,"cosmosGeoPoint":41,"geoPoint":46,"contacts":47},"Zagazig University Hospitals","RECRUITING","Zagazig","44511","Egypt","EG",{"type":42,"coordinates":43},"Point",[44,45],31.502,30.58768,{"lat":45,"lon":44},[48],{"name":49,"role":29,"phone":50,"phoneExt":31,"email":51},"safaa abdelmoez elnaggar, professor","+20 122 371 9011","safaa_elnaggar@hotmail.com",{"type":53,"investigatorFullName":54,"investigatorTitle":55,"investigatorAffiliation":5,"oldNameTitle":31,"oldOrganization":31},"PRINCIPAL_INVESTIGATOR","Mahmoud Ahmed Elsayed Ahmed Lasheen","Urology Resident","100611301","outcomes-of-using-fans-with-furs-in-ttt-of-lower-calyceal-stones-100611301",false,"NCT07238803","Outcomes of Using FANS With FURS in TTT of Lower Calyceal Stones.","Outcomes of Using Flexible and Navigable Suction Sheath With Flexible Ureteroscopy in Treatment of Lower Calyceal Stones: A Prospective Study","Inclusion Criteria:\n\n1. Adult patients ≥ 18 years old.\n2. Patients with lower calyceal stones scheduled for FURS.\n\nExclusion Criteria:\n\n1. patients with active urinary tract infections.\n2. Patients with renal and ureteric anomalies.\n3. patients with coagulopathy\n4. patients who are refusing to participate.","ALL","18 Years",{"count":66,"type":67},33,"ESTIMATED","INTERVENTIONAL",[70],"NA","The aim of this study is to evaluate and assess the outcomes of flexible ureteroscopy (FURS) with flexible and navigable suction UAS (FANS) in the treatment of lower calyceal stones.",[73,74],"Kidney Stone","Kidney Calculi",[76],"Flexible Ureteroscopy","2025-11-18",{"date":79,"type":80},"2025-11-20","ACTUAL",{"date":82,"type":80},"2024-12-01",{"date":84,"type":67},"2026-02-01",{"name":5,"class":6},1]