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3D-CT outshines old formula for kidney stone stent prediction

NCT ID NCT07337954

Knowledge-focused 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested whether a 3D-CT scan can better predict if a patient with a 1-2 cm kidney stone will need a stent after shockwave treatment, compared to the usual formula. Fifty-six adults with a single stone were treated without a stent first, and their stone volume was measured both ways. The goal was to find a cutoff volume that reliably shows when a stent is needed to avoid complications.

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

56 people

The number who actually took part.

Started

Jan 2024

Finished

Jun 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

18 to 65 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: * Age 18-65 years * BMI 18-30 kg/m² * Single radio-opaque renal stone 1-2 cm * Suitable for ESWL per clinical assessment Exclusion Criteria: * Multiple renal stones * Solitary kidney * Impaired renal function * Congenital renal anomalies * Ureteric obstruction * Systemic comorbidities * Pregnancy

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Conditions

The condition(s) this trial relates to.

nephrolithiasis urolithiasis

As listed by the trial registrant

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

Shock wave lithotripsy Ureteral stents Urolithiasis

Contacts and locations

Locations

  • Faculty of Medicine, Ain Shams University

    Cairo, Cairo Governorate, 1151, Egypt

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