Safety and Efficacy of URS Stents in the Treatment of Ureteral Stricture
- Conditions
- Ureteral Stricture
- Registration Number
- NCT04129645
- Lead Sponsor
- Peking University People's Hospital
- Brief Summary
A prospective observational study aimed to assess the efficacy and safety of Allium ureteral stent long-term indwelling in the treatment of ureteral stricture.
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- UNKNOWN
- Sex
- All
- Target Recruitment
- 500
Inclusion Criteria
- Benign diseases: UPJ, ischemic injury caused by surgical separation, endoscopic surgery injury, heat injury by laser lithotripsy, infection (chronic inflammation, tuberculosis), peri-ureteral fibrosis caused by endometriosis, ureteral anastomotic stenosis after renal transplantation, ureteral fistula, multiple polyps;
- Malignant diseases: ureteral anastomotic stricture after urinary diversion, stricture caused by compression of abdominal and/or pelvic tumors, stricture caused by urinary tract tumors, stricture caused by radiotherapy for colon or cervical cancer, ureteral fistula
Exclusion Criteria
- Combine with hypertonic neurogenic bladder (except for patients with long-term indwelling catheter)
- Colon resection surgery patients -
Study & Design
- Study Type
- OBSERVATIONAL
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Device related serious adverse events Up to 36 months Number of device related serious adverse events
Patency rate Up to 36 months Number of patients evaluated with hydronephrosis
Indwelling time Up to 36 months Number of months of the implant in the ureter
- Secondary Outcome Measures
Name Time Method
Trial Locations
- Locations (1)
Peiking university people's hospital
🇨🇳Beijing, Beijing, China