Using a self-expanding ureteral stent to treat difficult ureteral strictures
Efficacy and Safety of Self-expanding Ureteral Stent for Treating Refractory Ureteral Stricture: Results of a Multicenter Experience
This study is testing whether a special stent can help people with tough ureteral strictures feel better and avoid complications over time.
Quick facts
| Phase | Not applicable |
|---|---|
| Study type | Interventional |
| Enrollment | 200 (estimated) |
| Ages | 18 Years to 80 Years |
| Sex | All |
| Sponsor | En Chu Kong Hospital Academic / other |
| Locations | 1 site (New Taipei City) |
| Trial ID | NCT05455307 on ClinicalTrials.gov |
What this trial studies
This study aims to evaluate the long-term efficacy and safety of a self-expanding ureteral stent in patients suffering from refractory ureteral stricture. Approximately 200 participants will be enrolled across four hospitals, where their renal function and associated complications will be monitored after the stent placement. The study is designed as a prospective, multi-center trial to gather comprehensive data on the treatment's effectiveness.
Who should consider this trial
Good fit: Ideal candidates are individuals with refractory ureteral stricture who have undergone at least two prior ureteral dilation procedures.
Not a fit: Patients with poor cardiovascular function, uncontrolled urinary tract infections, or those unwilling to accept long-term stent placement may not benefit from this study.
Why it matters
Potential benefit: If successful, this treatment could significantly improve urinary function and quality of life for patients with refractory ureteral stricture.
How similar studies have performed: While similar studies have explored ureteral stenting, this specific approach with the Allium ureteral stent is relatively novel and has not been extensively tested.
Eligibility criteria
Show full inclusion / exclusion criteria
Inclusion Criteria: * refractory ureteral stricture after at least two times of ureteral dilation Exclusion Criteria: * poor cardiovascular function for anesthesia unwilling to accept the long-term placement of ureteral stent uncontrolled urinary tract infection
Where this trial is running
New Taipei City
- En Chu Kong Hospital — New Taipei City, Taiwan (Recruiting)
Study contacts
- Principal investigator: Chung Cheng Wang, MD PhD — En Chu Kong Hospital
- Study coordinator: Chung Cheng Wang, MD PhD
- Email: ericwcc@ms27.hinet.net
- Phone: 886-26723456
How to participate
- Review the eligibility criteria above with your treating physician.
- Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
- Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.