[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100515504":3},{"organization":4,"armGroups":7,"interventions":18,"overallOfficials":24,"centralContacts":24,"locations":25,"responsibleParty":57,"collaborators":61,"id":65,"slug":24,"hasResults":66,"nctId":67,"briefTitle":68,"officialTitle":68,"acronym":69,"eligibilityCriteria":70,"healthyVolunteers":66,"sex":71,"minAge":72,"maxAge":24,"enrollmentInfo":73,"targetDuration":24,"studyType":76,"phases":77,"briefSummary":79,"conditions":80,"keywords":24,"overallStatus":27,"whyStopped":24,"lastUpdateSubmitDate":86,"lastUpdatePostDateStruct":87,"startDateStruct":90,"completionDateStruct":92,"leadSponsor":94,"locationsCount":95},{"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,[26,44],{"facility":5,"status":27,"city":28,"state":24,"zip":29,"country":30,"countryCode":31,"cosmosGeoPoint":32,"geoPoint":37,"contacts":38},"RECRUITING","Petah Tikva","49414","Israel","IL",{"type":33,"coordinates":34},"Point",[35,36],34.88747,32.08707,{"lat":36,"lon":35},[39],{"name":40,"role":41,"phone":42,"phoneExt":24,"email":43},"Michael Frumer, MD","CONTACT","+972542686959","mic1039@gmail.com",{"facility":45,"status":27,"city":46,"state":24,"zip":24,"country":30,"countryCode":31,"cosmosGeoPoint":47,"geoPoint":51,"contacts":52},"Sheba medical center","Ramat Gan",{"type":33,"coordinates":48},[49,50],34.81065,32.08227,{"lat":50,"lon":49},[53],{"name":54,"role":41,"phone":55,"phoneExt":24,"email":56},"Ari Luder, MD","+972527812580","ariluder@yahoo.com",{"type":58,"investigatorFullName":59,"investigatorTitle":60,"investigatorAffiliation":5,"oldNameTitle":24,"oldOrganization":24},"PRINCIPAL_INVESTIGATOR","Michael Frumer","Urologist",[62],{"name":63,"class":64},"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":74,"type":75},106,"ESTIMATED","INTERVENTIONAL",[78],"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.",[81,82,83,84,85],"Hydronephrosis; Obstruction, Ureter","Renal Failure","Malignancy","Ureter Obstruction","Ureter Stricture","2025-07-22",{"date":88,"type":89},"2025-07-24","ACTUAL",{"date":91,"type":89},"2023-12-20",{"date":93,"type":75},"2027-12",{"name":5,"class":6},2]