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Laser dusting vs breaking: which kidney stone technique wins?

NCT ID NCT02683993

Symptom relief Sponsor: Boston Scientific Corporation 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 two ways to use a laser to remove kidney stones: breaking them into pieces or turning them into dust. Twenty adults with kidney stones took part. The goal was to see which method clears stones better, is faster, and causes fewer 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

20 people

The number who actually took part.

Started

Feb 2016

Finished

Jan 2017

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

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: 1. Subject will be older than 18 years of age 2. Subject was diagnosed with renal calculi meeting the following criteria: * Largest stone measures no more than 2cm on a single diameter and is no less than 0.8cm as defined by X-ray or CT. * Accumulative stone burden (addition of all stone diameters) is no more than 2.5cm. 3. Subject is a candidate for FURS procedure 4. Subject is willing and has signed the Informed Consent Form Exclusion Criteria: 1. Subject has undergone a previous treatment for stones in the same kidney 2. Subject requires another, concomitant procedure, other than FURS, to be performed during this treatment session. 3. Female subject is pregnant 4. Concomitant anticoagulant medication that cannot be suspended during surgery

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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.

Stone clearance

Contacts and locations

Locations

  • New York Methodist Hospital

    New York, New York, 11215, United States

More trials for these conditions

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