New study tests best method for kidney stone surgery

NCT ID NCT07289230

First seen Jun 25, 2026 · Last updated Jun 25, 2026

Summary

This completed study compared three surgical techniques for removing kidney stones up to 2 centimeters. The procedures used a flexible scope through the urinary tract, either with a traditional sheath, a suction sheath, or no sheath at all. Researchers measured how completely stones were cleared, surgery time, and complications. The goal is to find which method works best for patients.

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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Contacts and locations

Locations

  • Ain Shams University Hospitals - Department of Urology

    Cairo, Cairo Governorate, 11511, Egypt

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

Procedure: retrograde intrarenal surgery (RIRS) with or without ureteral access sheath

What this could lead to

If successful, this could identify the best surgical technique for removing small kidney stones, potentially reducing complications and improving stone-free rates.

What could go wrong

This is a small, single-center trial with 90 participants, so results may not apply to all patients. Differences between techniques may be small or not clinically meaningful.

Conditions

The condition(s) this trial relates to.

Kidney Calculi nephrolithiasis urolithiasis

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.