Flexible vs Semi-rigid URS

Recruiting now · Not applicable

Conditions studied: Ureteric Stone, Flexible Ureteroscopy, Upper Urinary Tract Stones

In brief

To compare the efficacy, safety, success rate, operative time, and cost-effectiveness of flexible ureteroscopy versus semirigid ureteroscopy in the management of upper ureteric stones smaller than 2 cm. The investigators' main concern in this study is Upper third ureteric stones to determine which cases can be treated with Semi-Rigid Ureteroscopy, and which one needs flexible ureteroscopy. This depends on several factors: 1. Division of the upper third of the ureter 2. Stone size 3. Stone impaction 4. Surgeon experience 5. Anesthesia 6. Ureteric dilatation above the stone 7. Mini endoscopy

Key facts

Study ID

NCT07247617

Run by

Assiut University

People needed

100

Starts

2025-10-01

Expected to finish

2027-01-01

Last updated by the study team

2025-11-25

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Patients ≥18 years
• upper ureteric stone
• ≤20 mm

You may not qualify if…

• Associated renal stones
• Any contraindications to Anesthesia

Where it is running

• Assiut Hospital — Asyut, Asyut Governorate, Egypt (enrolling)

Full record on ClinicalTrials.gov

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