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Efficacy and Safety of Flexible Ureteroscopy With Flexible Navigable Suction Ureteral Access Sheath Versus Mini-Percutaneous Nephrolithotomy With Vacuum-Assisted Access Sheath

NCT07763743 · Status: RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 72

Last updated 2026-08-13

No results posted yet for this study

Summary

Mini-percutaneous nephrolithotomy (mini-PCNL) and retrograde intrarenal surgery (RIRS) are both effective treatment modalities for renal calculi measuring up to 2.5 cm in pediatric patients, demonstrating similar efficacy and complication profiles.

Suction has emerged as a potentially transformative adjunct in both percutaneous nephrolithotomy (PCNL) and RIRS. Recent studies evaluating various suction mechanisms during RIRS and mini-PCNL have demonstrated multiple benefits, including reduced operative time, higher stone-free rates (SFR), decreased intrarenal pressure (IRP) and temperature, as well as enhanced intraoperative visualization.

Both FANS-UAS in RIRS and VAAS in Mini-PCNL have shown promising outcomes in the pediatric population. Taken together, these findings suggest that suction-assisted technologies whether in RIRS or Mini-PCNL enhance both efficacy and safety in pediatric stone management.

Conditions

  • Pediatric Renal Stones

Interventions

PROCEDURE

Flexible Ureteroscopy

To compare the efficacy and safety of flexible ureteroscopy using a flexible and navigable suction ureteral access sheath (FANS-UAS) versus mini-percutaneous nephrolithotomy (Mini-PCNL) using a vacuum-assisted access sheath (VAAS) in the management of pediatric renal stones 1-2.5 cm

Sponsors & Collaborators

  • Ain Shams University

    lead OTHER

Principal Investigators

  • Youssef Mahmoud kotb, Professor · Urology Department, Faculty of Medicine, Ain Shams University

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
1 Year
Max Age
14 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2026-06-01
Primary Completion
2027-06-01
Completion
2027-06-10

Countries

  • Egypt

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07763743 on ClinicalTrials.gov