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Which kidney stone surgery works best for kids?

NCT ID NCT07870200

Disease control Sponsor: Elsayed Abdelhalim Elsayed Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Oct 13, 2026 · Last updated Oct 16, 2026 · Updated 3 times

Summary

Researchers compare two minimally invasive surgeries for children under 18 who have a single kidney stone between 1 and 2 centimeters. One group receives flexible ureteroscopy, where a scope passes through the urinary tract to break up the stone with a laser. The other group receives mini percutaneous nephrolithotomy, where surgeons remove the stone through a small incision in the back. The trial measures how completely stones are cleared after six weeks, along with operation time, hospital stay, and complications.

What this could mean

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

Active substance
two minimally invasive kidney stone removal procedures: flexible ureteroscopy and mini percutaneous nephrolithotomy
What this could lead to
If one procedure proves better for children, doctors could have clearer guidance on which operation to recommend for kidney stones under 2 cm.
What could go wrong
The trial is small and single-center, so its findings may not apply to all children or hospitals. Both procedures carry risks of bleeding, infection, and incomplete stone removal.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

60 people

The number who actually took part.

Started

Jun 2023

Finished

Dec 2024

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

Up to 18 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * pediatric patients \<18 years old (according to American Academy of Pediatrics (AAP) * Solitary renal with a size ranging from 1 to 2 cm . Exclusion Criteria: * involved multiple or very small/large stones, * adult over 18 years old, * BMI \> 40 kg/m², * bleeding disorders, * congenital renal anomalies, * distal obstruction, or * musculoskeletal deformities.

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Conditions

The condition(s) this trial relates to.

nephrolithiasis

As listed by the trial registrant

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

Pediatric Renal stone

Contacts and locations

Locations

  • Elsayed Abdelhalim

    Kafr ash Shaykh, Select State, 44749, Egypt

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