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A Prospective randomized comparison between stenting and no stenting after ambulatory uncomplicated ureteroscopic lithotripsy with vacuum access sheath

A Prospective randomized comparison between stenting and no stenting after ambulatory uncomplicated ureteroscopic lithotripsy with vacuum access sheath

Status
Recruiting
Phases
Phase 2
Study type
Interventional
Source
TCTR
Registry ID
TCTR20250910010
Enrollment
426
Registered
2025-09-10
Start date
2025-07-28
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Do patients undergoing uncomplicated URSL need to receive a stent after the procedure? Uncomplicated URSL, RIRS, Ureteral stent

Interventions

Patient omitted ureteral stent after uncomplicated URSL ,Patient was inserted ureteral stent after undergoing uncomplicated ureterorenolithotripsy
Omitted ureteral stent after uncomplicated ureterorenolithotripsy,Ureteral stent after uncomplicated ureterorenolithotripsy

Sponsors

Faculty of Medicine Ramathibodi hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Age > 18 years 2. American society of anesthesiologist (ASA) score < 3 3. Not immunocompromised or pregnant 4. No evidence of functional/anatomic solitary kidney 5. No anatomic abnormalities (i.e. Stricture, ureteropelvic junction obstruction, horse shoe kidney) 6. No urinary tract reconstruction 7. No uncorrected bleeding diathesis, anticoagulant and/or antiplatelet therapy 8. No history of neurogenic bladder or incomplete bladder emptying 9. No sign or symptom of sepsis 10. No history of sepsis associated with urinary tract infection 11. No untreated positive urine culture 12. No stones in multiple location (i.e. both ureter and kidney) 13. Stone size <= 15 mm 14. Operative time <= 60 minutes 15. No balloon dilation of the ureter 16. Unilateral procedure 17. No plan for second look procedure 18. Retrograde ureteroscopy only 19. No ureteral perforation or trauma

Exclusion criteria

Exclusion criteria: 1. Active gross hematuria during procedure 2. Severe ureteral edema during procedure 3. Vital sign unstable 4. Sepsis during procedure

Design outcomes

Primary

MeasureTime frame
Complication rate 2 week rate of complication after undergoing uncomplicated URSL

Secondary

MeasureTime frame
Stone free rate 3 month Non-contrast CT KUB at 3 month

Countries

Thailand

Contacts

Public ContactThanapat Kaewprasert

Faculty of medicine ramathibodi hospital

thanapatte3@gmail.com0910099512

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 10, 2026