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New study aims to take the guesswork out of kidney stone laser surgery

NCT ID NCT07566741

Knowledge-focused Sponsor: Bozok 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times

Summary

This study looked at 61 adults with kidney stones to see if stone size and density could predict how much laser energy is needed during a procedure called thulium fiber laser lithotripsy. Researchers used CT scans before surgery to measure stone volume and density, then tracked the actual energy used during the operation. The goal is to create a formula that helps surgeons plan more precisely, potentially reducing surgery time and risks.

What this could mean

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

Active substance
thulium fiber laser lithotripsy
What this could lead to
If successful, this could help surgeons predict the laser energy needed for kidney stone removal, potentially making procedures more efficient and reducing complications.
What could go wrong
This is a small, completed observational study with 61 patients. The findings may not apply to all stone types or surgical settings, and the derived energy coefficient needs validation in larger trials.

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

61 people

The number who actually took part.

Started

Jun 2025

Finished

Jan 2026

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 years and older

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: * aged 18 years and above * diagnosed with symptomatic urinary system stones * planned URS or fURS * normal upper urinary tract anatomy * achieved stone-free Exclusion Criteria: * active urinary tract infection * history of surgery/DJ stent placement within the last six months * congenital renal anomalies * patients with residual fragments on postoperative evaluation

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Conditions

The condition(s) this trial relates to.

urolithiasis

As listed by the trial registrant

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

Urolithiasis

Contacts and locations

Locations

  • Yozgat Bozok University Faculty of Medicine

    Yozgat, Yozgat, 66100, Turkey (Türkiye)

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