Clinical Research Directory

Comparison of Smart Pressure-Controlled Flexible Ureteroscopy and Flexible Suction Ureteral Access Sheath-Assisted Flexible Ureteroscopy for 2-3 cm Renal Stones

Sponsor: The First Affiliated Hospital of Guangzhou Medical University

Summary

This prospective, multicenter, randomized, non-inferiority controlled trial aims to compare the efficacy and safety of smart pressure-controlled flexible ureteroscopy and flexible ureteroscopy assisted by a distal flexible suction ureteral access sheath in patients with 2-3 cm renal stones. Eligible patients will be randomly assigned to one of the two treatment groups. The primary objective is to determine whether smart pressure-controlled flexible ureteroscopy is non-inferior to the suction sheath-assisted approach in terms of stone-free rate. Secondary outcomes include operative time, postoperative complications, intrarenal pressure-related outcomes, length of hospital stay, and other relevant perioperative parameters. The findings are expected to provide clinical evidence to guide the selection of surgical techniques for patients with 2-3 cm renal stones.

Official title: A Prospective, Multicenter, Randomized, Non-Inferiority Controlled Trial Comparing the Efficacy and Safety of Smart Pressure-Controlled Flexible Ureteroscopy and Flexible Ureteroscopy Assisted by a Distal Flexible Suction Ureteral Access Sheath for the Treatment of 2-3 cm Renal Stones

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