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Can a simple tool predict who will be Stone-Free after kidney surgery?

NCT ID NCT07753096

Knowledge-focused Sponsor: Assiut 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 This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 07, 2026 · Last updated Aug 07, 2026

Summary

This study tests whether a scoring tool called a nomogram can accurately predict if a patient will be completely stone-free after a minimally invasive kidney stone surgery called flexible ureterorenoscopy. Researchers will compare the nomogram's predictions with actual surgical outcomes in 70 adult patients scheduled for this procedure. The goal is to see if this tool can help doctors personalize treatment plans and better inform patients about their expected results.

What this could mean

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

What this could lead to
If the nomogram proves accurate, it could help doctors predict a patient's chance of being stone-free after surgery, guiding treatment decisions and patient counseling.
What could go wrong
This is an observational study, so it cannot prove cause and effect. The nomogram may not be accurate enough for widespread use, and results may not apply to all patient groups.

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.

Participants

About 70 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Oct 2027

An estimate. End dates often move.

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.

Who is studied

The study population consists of adult patients, aged 18 years and older, of both sexes who present with renal or upper ureteric stones. These patients must be scheduled to undergo flexible ureterorenoscopy (fURS) as part of their standard clinical management. Participants will be drawn from the patient population receiving routine care at the Urology Department of Assiut University Hospitals.

Ages

18 years and older

Sex

Anyone

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: * Adult patients (≥18 years). * Both sexes. * Patients with renal stones. * Patients with upper ureteric stones. * Patients scheduled for flexible ureterorenoscopy. * Patients willing to provide informed consent. Exclusion Criteria: * Congenital urinary tract anomalies. * Active urinary tract infection. * Pregnancy. * Patients with incomplete clinical or radiological data. * Patients lost to follow-up.

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Conditions

The condition(s) this trial relates to.

nephrolithiasis ureterolithiasis urolithiasis

As listed by the trial registrant

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

Renal stones Upper ureteric stones Urinary stone disease Urolithiasis

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  2. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

More trials for these conditions

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