[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100515504":3},{"organization":4,"armGroups":7,"interventions":18,"overallOfficials":24,"centralContacts":24,"locations":25,"responsibleParty":56,"collaborators":60,"id":64,"slug":24,"hasResults":65,"nctId":66,"briefTitle":67,"officialTitle":67,"acronym":68,"eligibilityCriteria":69,"healthyVolunteers":65,"sex":70,"minAge":71,"maxAge":24,"enrollmentInfo":72,"targetDuration":24,"studyType":75,"phases":76,"briefSummary":78,"conditions":79,"keywords":24,"overallStatus":27,"whyStopped":24,"lastUpdateSubmitDate":85,"lastUpdatePostDateStruct":86,"startDateStruct":89,"completionDateStruct":91,"leadSponsor":93,"locationsCount":94},{"fullName":5,"class":6},"Rabin Medical Center","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"single silicone stent","ACTIVE_COMPARATOR","patients with malignant ureteral obstruction that was treated by single large-caliber 8-12Fr silicone stent",[13],"Device: ureteral stent\\s insertion",{"label":15,"type":10,"description":16,"interventionNames":17},"Tandem polyurethane stents","patients with malignant ureteral obstruction that was treated by tandem 6 Fr Percuflex™ stents",[13],[19],{"type":20,"name":21,"description":22,"armGroupLabels":23,"otherNames":24},"DEVICE","ureteral stent\\s insertion","ureteral stent\\\\s insertion in the operating room",[15,9],null,[26,43],{"facility":5,"status":27,"city":28,"state":24,"zip":29,"country":30,"cosmosGeoPoint":31,"geoPoint":36,"contacts":37},"RECRUITING","Petah Tikva","49414","Israel",{"type":32,"coordinates":33},"Point",[34,35],34.88747,32.08707,{"lat":35,"lon":34},[38],{"name":39,"role":40,"phone":41,"phoneExt":24,"email":42},"Michael Frumer, MD","CONTACT","+972542686959","mic1039@gmail.com",{"facility":44,"status":27,"city":45,"state":24,"zip":24,"country":30,"cosmosGeoPoint":46,"geoPoint":50,"contacts":51},"Sheba medical center","Ramat Gan",{"type":32,"coordinates":47},[48,49],34.81065,32.08227,{"lat":49,"lon":48},[52],{"name":53,"role":40,"phone":54,"phoneExt":24,"email":55},"Ari Luder, MD","+972527812580","ariluder@yahoo.com",{"type":57,"investigatorFullName":58,"investigatorTitle":59,"investigatorAffiliation":5,"oldNameTitle":24,"oldOrganization":24},"PRINCIPAL_INVESTIGATOR","Michael Frumer","Urologist",[61],{"name":62,"class":63},"Sheba Medical Center","OTHER_GOV","100515504",false,"NCT05992363","Tandem Polyurethane Stents Compared to Single Silicone Stent for Malignant Ureteral Obstruction","TSTENT","Inclusion Criteria:\n\n* patient with malignant ureteral obstruction\n\nExclusion Criteria:\n\n* ureteral obstruction of other causes\n* Language comprehension or other limitation in giving informed consent","ALL","18 Years",{"count":73,"type":74},106,"ESTIMATED","INTERVENTIONAL",[77],"NA","Malignant ureteral obstruction (MUO) is an extrinsic ureteral obstruction caused by malignant diseases. This study aim to compare tandem 6 Fr Percuflex™ stents and single large-caliber 8Fr silicone stent in patients with MUO. The primary endpoint is stent failure rate. The secondary endpoints are patient comfort, quality of life and overall survival.",[80,81,82,83,84],"Hydronephrosis; Obstruction, Ureter","Renal Failure","Malignancy","Ureter Obstruction","Ureter Stricture","2025-07-22",{"date":87,"type":88},"2025-07-24","ACTUAL",{"date":90,"type":88},"2023-12-20",{"date":92,"type":74},"2027-12",{"name":5,"class":6},2]