To conduct a prospective, multi-center study to observe the long-term efficacy and safety of self expanding ureteral stent for treating participants with refractory ureteral stricture.
See this in plain English?
AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Renal function test
Timeframe: 6 months, 12 months, 18 months, 24 months, 30 months, 36 months, 42 months, 48 months, 54 months and 60 months