Comparison of Vacuum-Assisted and Conventional Ureteral Access Sheath in Retrograde Intrarenal Surgery

Recruiting now · Not applicable

Conditions studied: Kidney Calculi, Kidney Stones

In brief

This study aims to compare the efficacy and safety, the ratio of stone-free rates, and complications of two types of access sheaths used in retrograde intrarenal surgery to treat upper urothelial stones. The access sheath types are those with vacuum aspiration and the conventional ones.

Key facts

Study ID

NCT06684756

Run by

Namik Kemal University

People needed

150

Starts

2024-10-01

Expected to finish

2026-12-01

Last updated by the study team

2026-07-08

Who can join

Age: 18 and older, up to 85. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Patients over 18 years of age
• Patients below 85 years of age
• Patients with 11-13 FR conventional/vacuum-assisted ureteral access sheath (UAS) during retrograde intrarenal surgery

You may not qualify if…

• Patients with non-sterile preoperative urine culture
• Patients with renal anatomic anomalies
• Patients with a solitary (single) kidney
• Patients with insufficient data
• Patients under the age of 18, above the age of 85
• Patients without an UAS during RIRS
• Patients without 11-13Fr UAS during RIRS

Where it is running

• Tekirdag Namık Kemal University — Tekirdağ, Turkey, Turkey (Türkiye) (enrolling)

Full record on ClinicalTrials.gov

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