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Suction vs. no suction: which is safer for kidney stone surgery?

NCT ID NCT07619456

Knowledge-focused Sponsor: Icahn School of Medicine at Mount Sinai 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looked at pressure inside the kidney during surgery to remove kidney stones. Twenty-one adults had the procedure with either a suction or a non-suction tube. The goal was to see which method keeps pressure lower, which could make surgery safer and help clear more stone fragments.

What this could mean

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

What this could lead to
If successful, this could help surgeons choose the best tool to lower kidney pressure during stone removal, potentially improving safety and reducing leftover fragments.
What could go wrong
This is a small, early-stage study with only 21 participants. It measures pressure during surgery, not long-term health outcomes, so benefits are uncertain.

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

21 people

The number who actually took part.

Started

Apr 2025

Finished

Dec 2025

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 * Adults aged 18 years and older. * Diagnosed with kidney stones and scheduled for fURS. * Stone burden \> 1 cm and/or multiple stones will be eligible. * Able and willing to provide informed consent. EXCLUSION CRITERIA * Pregnant persons as determined by pre-operative urine pregnancy test (standard of care at our institution) * Untreated UTI * Patients with urinary anomalies (e.g., urinary diversion, ureteral reconstruction, horseshoe kidney) * Single stone \< 1 cm

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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.

Nephrolithiasis

Contacts and locations

Locations

  • Mount Sinai West

    New York, New York, 10019, United States

More trials for these conditions

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