Status:
RECRUITING
Alpha-Blockers Prior to Ureteral Access Sheath Placement in Flexible Ureteroscopy: A Randomized Prospective Study
Lead Sponsor:
Pedro de Figueiredo Buchalla
Conditions:
Nephrolithiasis
Alpha Blocker
Eligibility:
All Genders
18+ years
Phase:
PHASE4
Brief Summary
This study aims to evaluate whether the use of alpha-blockers before flexible ureterorenolithotripsy facilitates the passage of the ureteral access sheath. The trial will enroll adult patients diagnos...
Eligibility Criteria
Inclusion Criteria:
- Age ≥ 18 years
- Diagnosis of nephrolithiasis with surgical indication for flexible ureterorenolithotripsy
- Ability to provide written informed consent
Exclusion Criteria:
- Age < 18 years
- Pregnancy
- History of ureteral stricture, prior ureteral reconstructive surgery, and/or abdominal or pelvic radiotherapy
- Prior ureteroscopy or ipsilateral double-J stent placement within the past 3 months
- Chronic use of alpha-blockers for benign prostatic hyperplasia or medical expulsive therapy for ureteral stones
Key Trial Info
Start Date :
January 1 2024
Trial Type :
INTERVENTIONAL
Allocation :
ESTIMATED
End Date :
February 1 2026
Estimated Enrollment :
140 Patients enrolled
Trial Details
Trial ID
NCT07124299
Start Date
January 1 2024
End Date
February 1 2026
Last Update
August 15 2025
Active Locations (1)
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1
Centro Universitário FMABC
Santo André, São Paulo, Brazil, 09060-870