[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100614152":3},{"organization":4,"armGroups":7,"interventions":19,"overallOfficials":25,"centralContacts":26,"locations":36,"responsibleParty":52,"collaborators":25,"id":56,"slug":57,"hasResults":58,"nctId":59,"briefTitle":60,"officialTitle":61,"acronym":25,"eligibilityCriteria":62,"healthyVolunteers":58,"sex":63,"minAge":64,"maxAge":25,"enrollmentInfo":65,"targetDuration":25,"studyType":68,"phases":69,"briefSummary":71,"conditions":72,"keywords":25,"overallStatus":39,"whyStopped":25,"lastUpdateSubmitDate":76,"lastUpdatePostDateStruct":77,"startDateStruct":80,"completionDateStruct":82,"leadSponsor":84,"locationsCount":85},{"fullName":5,"class":6},"St. Luke's Clinical Hospital, Russia","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Group I (DJ stent)","ACTIVE_COMPARATOR","Non-prestented patients who will insert a standard DJ stent after surgery",[13],"Procedure: Ureteric stent insertion",{"label":15,"type":16,"description":17,"interventionNames":18},"Group II (modified DJ stent)","EXPERIMENTAL","Non-prestented patients who will insert a modified DJ stent after surgery",[13],[20],{"type":21,"name":22,"description":23,"armGroupLabels":24,"otherNames":25},"PROCEDURE","Ureteric stent insertion","Ureteric stent insertion is the procedure to place a thin, flexible plastic tube that is temporarily in the ureter to help urine drain. They are placed with cystoscopic and X-ray guidances in an operating room setting",[9,15],null,[27,32],{"name":28,"role":29,"phone":30,"phoneExt":25,"email":31},"Dmitriy Sytnik","CONTACT","+7 931 367 78 58","doc.dmitriysytnik@gmail.com",{"name":33,"role":29,"phone":34,"phoneExt":25,"email":35},"Yury Mikheev","+79315412190","mikheevyra@gmail.com",[37],{"facility":38,"status":39,"city":40,"state":41,"zip":25,"country":42,"countryCode":43,"cosmosGeoPoint":44,"geoPoint":49,"contacts":50},"St. Luke's Clinical Hospital","RECRUITING","Saint Petersburg","Outside U.S.\u002FCanada","Russia","RU",{"type":45,"coordinates":46},"Point",[47,48],30.31413,59.93863,{"lat":48,"lon":47},[51],{"name":28,"role":29,"phone":30,"phoneExt":25,"email":31},{"type":53,"investigatorFullName":54,"investigatorTitle":55,"investigatorAffiliation":5,"oldNameTitle":25,"oldOrganization":25},"PRINCIPAL_INVESTIGATOR","Mikheev Yury","Urologist","100614152","evaluation-of-quality-of-life-in-patients-after-placement-of-a-modified-double-j-ureteral-stent-100614152",false,"NCT07275879","Evaluation of Quality of Life in Patients After Placement of a Modified Double J Ureteral Stent","Evaluation of Quality of Life in Patients After Placement of a Modified Double J Ureteral Stent. Randomized Clinical Trial.","Inclusion Criteria:\n\n* Patients aged 18 years and older\n* Patients with kidney stones\n* Patients with ureteral stones\n\nExclusion Criteria:\n\n* Congenital anomalies of the urinary tract\n* Urinary tract infections\n* Upper urinary tract obstruction\n* Complicated ureteroscopy (e.g., ureteral perforation)\n* Pregnancy\n* Pre-stented patients","ALL","18 Years",{"count":66,"type":67},40,"ESTIMATED","INTERVENTIONAL",[70],"NA","Double-J (DJ) stents are commonly inserted after ureteroscopy. There are several complications associated with the presence of DJ stent: urinary tract infection, stent encrustation, stent migration, and stent-related symptoms (SRS).\n\nSRS occur in up to 80% of patients and include pain, hematuria, and dysuria, all of which negatively impact the patient's quality of life.\n\nPhysicians proposed the distal end of the ureteral stents might involve in SRS by over-simulating the trigone of bladder. The design of the distal end, made with a thinner loop than that of a standard DJ stent, is intended to mitigate SRS and reduce urine reflux.",[73,74,75],"Ureteral Double-J Stent","Urolithiasis","Quality of Life","2025-12-08",{"date":78,"type":79},"2025-12-10","ACTUAL",{"date":81,"type":67},"2025-12-28",{"date":83,"type":67},"2026-04",{"name":5,"class":6},1]