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New suction device may improve kidney stone removal

NCT ID NCT07101809

Disease control Sponsor: Calyxo, Inc. Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 24, 2026 · Updated 2 times

Summary

This study tests a new device called the CVAC system that uses suction during a scope procedure to remove kidney stones. It compares how well this works versus the usual method (laser and no suction) in 150 adults. The main goal is to see if the new tool leaves fewer stone fragments behind.

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

About 150 people

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

Started

May 2026

Expected to finish

Jul 2029

An estimate. End dates often move.

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: * Candidate for ureteroscopy with laser lithotripsy * Be willing and able to return for and respond to all study-related follow up procedures * Have been informed of the nature of the study and has provided informed consent using the IRB approved informed consent (ICF) Exclusion Criteria: * Untreated urinary tract infection at the time of the index procedure * Significant comorbidities * Bladder, ureteral or kidney abnormalities * Pregnant individuals * Unable to meet the treatment and follow up protocol requirements

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Conditions

The condition(s) this trial relates to.

Kidney Calculi nephrolithiasis urolithiasis

As listed by the trial registrant

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

Kidney stones Renal stones Stones, kidney Urolithiasis

How to take part

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

  1. The places running it

    5 sites. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. 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.

Contacts and locations

Locations

  • Icahn School of Medicine at Mount Sinai

    RECRUITING

    New York, New York, 10029, United States

  • MidLantic Urology

    RECRUITING

    Bala-Cynwyd, Pennsylvania, 19004, United States

  • The University of Alabama at Birmingham

    RECRUITING

    Birmingham, Alabama, 35294, United States

  • The University of Texas at Austin, Dell Medical School

    RECRUITING

    Austin, Texas, 78712, United States

  • University of Florida

    RECRUITING

    Gainesville, Florida, 32611, United States

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