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Shock wave or Mini-Surgery? study tests best way to bust Kids' kidney stones

NCT ID NCT07360041

Disease control Sponsor: Ain Shams University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study compared two procedures for removing dense kidney stones in children aged 2 to 12: shock wave lithotripsy (SWL) and miniaturized percutaneous nephrolithotomy (mini-PNL). One hundred children with a single, medium-sized, high-density stone were randomly assigned to one of the two treatments. The main goal was to see which method left fewer stone fragments after three months. The results could help doctors choose the best approach for dense stones in kids.

What this could mean

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

Active substance
Miniaturized Percutaneous Nephrolithotomy (mini-PNL) and Extracorporeal Shock Wave Lithotripsy (SWL)
What this could lead to
If this study shows one method is clearly better, it could help doctors choose the most effective and safest way to remove dense kidney stones in children.
What could go wrong
This is a single-center study with only 100 children, so results may not apply to all kids. Both procedures have risks like bleeding or infection, and the study is already completed, so no new data is being collected.

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

100 people

The number who actually took part.

Started

May 2023

Finished

Sep 2025

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

2 to 12 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: 1. Children from ages 2 to 12 2. Single renal stone pelvic, upper or middle calyceal 3. Stone diameter between 1 and 2 cm in the longest axis by NCCT 4. High-density (≥1000 HU) by NCCT Exclusion Criteria: 1. Radiolucent stones 2. Co-existing renal anomalies 3. Acute UTI 4. Uncorrectable bleeding disorders 5. Musculoskeletal deformities 6. Patients with ureteral stones or ureteral obstruction

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Conditions

The condition(s) this trial relates to.

Calculi nephrolithiasis urolithiasis

As listed by the trial registrant

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

Calculus Endoscopy Pediatric Renal stones

Contacts and locations

Locations

  • Ain Shams University

    Cairo, Cairo Governorate, 4240112, Egypt

More trials for these conditions

Other studies related to the condition(s) this trial covers.