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Simple suction trick may ease kidney stone surgery recovery

NCT ID NCT07535281

Symptom relief Sponsor: Kangdong Sacred Heart Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests a simple change during kidney stone surgery: actively suctioning the kidney to collapse it at the end of the procedure, instead of letting it drain naturally. Researchers want to see if this reduces pain and infection right after surgery. About 90 adults with kidney stones will be randomly assigned to either the suction method or standard care.

What this could mean

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

Active substance
Suction-induced collapse of the renal collecting system (procedure)
What this could lead to
If it works, this simple change could reduce pain and infection after kidney stone surgery, helping patients recover faster.
What could go wrong
This is a small, early-stage trial with only 90 participants. The benefit may be small or not apply to all patients. There is no evidence yet that it changes long-term outcomes.

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 90 people

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

Started

Apr 2026

Expected to finish

Sep 2027

An estimate. End dates often move.

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

20 to 80 years

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: * Patients aged 20 to 80 years. * Patients diagnosed with kidney stones and scheduled for retrograde intrarenal surgery (RIRS). * Patients who have voluntarily signed the written informed consent form Exclusion Criteria: * Participation in another clinical trial (drug or device) within 1 month prior to enrollment. * Congenital abnormalities of the urinary or reproductive system. * Presence of a pre-placed ureteral stent (pre-stenting) at the time of surgery. * Solitary kidney. * Uncontrolled urinary tract infection. * History of ureteral reconstruction on the affected side. * Pregnancy. * Uncorrectable bleeding diathesis or ongoing therapeutic anticoagulation therapy. * Contraindications to general anesthesia. * Other conditions that the investigator deems inappropriate for participation in the study.

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Conditions

The condition(s) this trial relates to.

Kidney Calculi nephrolithiasis Pain, Postoperative

As listed by the trial registrant

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

Kidney stones Nephrolithiasis Renal calculi

How to take part

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

  1. The places running it

    1 site. 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

  • Kangdong Sacred Heart Hospital

    RECRUITING

    Gandong-gu, Outside U.S./Canada, 05355, South Korea

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