Safety and Efficacy of URS Stents in the Treatment of Ureteral Stricture

Peking University

Status: Enrolling

Conditions: Ureteral Stricture

Treatments: Device: URS

Study type: Observational

Funder types: Other

Identifiers

NCT04129645

URO-01

Details and patient eligibility

About

A prospective observational study aimed to assess the efficacy and safety of Allium ureteral stent long-term indwelling in the treatment of ureteral stricture.

Enrollment: 500 estimated patients

Sex: All

Ages: 18 to 85 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

1. 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;
2. 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

1. Combine with hypertonic neurogenic bladder (except for patients with long-term indwelling catheter)
2. Colon resection surgery patients -