[{"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":66,"hasResults":67,"nctId":68,"briefTitle":69,"officialTitle":69,"acronym":70,"eligibilityCriteria":71,"healthyVolunteers":67,"sex":72,"minAge":73,"maxAge":24,"enrollmentInfo":74,"targetDuration":24,"studyType":77,"phases":78,"briefSummary":80,"conditions":81,"keywords":24,"overallStatus":27,"whyStopped":24,"lastUpdateSubmitDate":87,"lastUpdatePostDateStruct":88,"startDateStruct":91,"completionDateStruct":93,"leadSponsor":95,"locationsCount":96},{"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","tandem-polyurethane-stents-compared-to-single-silicone-stent-for-malignant-ureteral-obstruction-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":75,"type":76},106,"ESTIMATED","INTERVENTIONAL",[79],"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.",[82,83,84,85,86],"Hydronephrosis; Obstruction, Ureter","Renal Failure","Malignancy","Ureter Obstruction","Ureter Stricture","2025-07-22",{"date":89,"type":90},"2025-07-24","ACTUAL",{"date":92,"type":90},"2023-12-20",{"date":94,"type":76},"2027-12",{"name":5,"class":6},2]