Efficacy And Safety Of Antegrade Uretroscopic Lithotripsy Versus Retrograde Ureteroscopic Lithotripsy In The Treatment Of Upper Ureteric Stones Measuring > 10 mm In Maximum Dimension. A Randomized Comparative Study

This study aims to assess the efficacy and safety of antegrade flexible ureteroscopic lithotripsy in treating upper ureteric stones \>10 mm in maximum dimension and impacted upper ureteric stones irrespective of size in comparison to retrograde ureteroscopic lithotripsy and evaluate feasibility, adverse events, hospital stay and cost benefit of both techniques

NCT Number	NCT07362784
Lead Sponsor	Ain Shams University
Conditions	Upper Ureteric Stones
Enrollment	100 participants
Start Date	2022-03-15
Primary Completion	2025-08-10 (estimated)
Study Completion	2025-09-14 (estimated)
Updated on ClinicalTrials.gov	2026-01-23