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No tube, less pain? new study tests simpler kidney stone surgery for kids

NCT ID NCT07183930

Symptom relief Sponsor: Lady Reading Hospital, Pakistan 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Aug 27, 2026 · Updated 2 times

Summary

This study compared two surgical techniques for removing large kidney stones in children aged 6 to 18. The traditional method leaves a temporary drainage tube in the kidney, while the newer 'tubeless' method skips that tube. Researchers wanted to see if the tubeless approach reduces pain, hospital stays, and the need for blood transfusions. 640 children took part, each randomly assigned to one of the two procedures.

What this could mean

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

Active substance
Tubeless Percutaneous Nephrolithotomy (PCNL) procedure
What this could lead to
If the tubeless method works well, it could mean less pain and shorter hospital stays for children having kidney stone surgery.
What could go wrong
This is a completed study, but results are not yet widely known. The tubeless method may not be as safe or effective for all children, and individual risks like bleeding or infection remain.

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

640 people

The number who actually took part.

Started

Oct 2024

Finished

Sep 2025

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

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

Ages

6 to 18 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: * Children aged 6 to 18 years * Either gender * Renal calculi larger than 10 mm on imaging * Failed conservative management or extracorporeal shock wave lithotripsy (ESWL) * Normal renal function * Informed consent from parents/guardians * Assent from children aged 12 years and above Exclusion Criteria: * Prior renal surgery or ureteral stenting * Congenital urological anomalies * Active urinary tract infection at the time of surgery * Known bleeding disorders or use of anticoagulant medication * Significant comorbid medical conditions * Pregnancy (in adolescent females)

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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.

Kidney stones Nephrolithiasis Pediatric nephrolithiasis

Contacts and locations

Locations

  • Khyber Teaching Hospital, Peshawar

    Peshawar, Khyber Pakhtunkhwa, 25000, Pakistan

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