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New suction catheter aims to suck away kidney stones

NCT ID NCT07225933

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 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks back at the medical records of 3000 people who had kidney stones removed using one of two new devices: the CVAC system, a steerable suction catheter, or a special suction tube called FANS. Researchers want to see how well each device clears stones and how safe they are. The goal is to find better ways to treat kidney stones with fewer complications.

What this could mean

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

Active substance
CVAC® System (steerable aspiration catheter) and Flexible and Navigational Ureteral Access Sheath (FANS)
What this could lead to
If successful, this study could show that the CVAC system is a safe and effective tool for removing kidney stones, potentially reducing the need for more invasive procedures.
What could go wrong
This is a retrospective study, meaning it looks back at past data, not a controlled trial. Results may not prove the device is better than other methods, and individual outcomes can vary.

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 3,000 people

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

Started

Feb 2024

Expected to finish

Sep 2026

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.

Who is studied

Subjects that are 18 or older that underwent the SURE procedure with the CVAC System or fURS with FANS in the retrospective cohort

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: * Subjects that had SURE procedure with CVAC System performed in the retrospective cohort * Subjects that had flexible URS (fURS) procedure with FANS performed in the retrospective cohort Exclusion Criteria: * For planned SURE procedures, the inability for CVAC to gain access required for treatment of kidney stones

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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 stone Kidney stones Urolithiasis

Contacts and locations

Locations

  • University of California San Diego (UCSD)

    La Jolla, California, 92093-0934, United States

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