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New flexible scope aims to zap kidney stones in one go

NCT ID NCT07332286

Symptom relief Sponsor: The First Affiliated Hospital of Guangzhou Medical University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests a new surgical technique for removing large kidney stones (2 cm or bigger). Doctors will use a flexible scope and a special suction tube to break up and remove the stones. The goal is to see if this method is safe and can clear all stones in one procedure. Thirty adults will take part in this early-stage trial.

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 30 people

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

Started

Dec 2025

Expected to finish

Apr 2026

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

18 to 75 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: * Adults aged 18 to 75 years * Patients with renal stones measuring 2 cm or larger in maximum diameter * American Society of Anesthesiologists (ASA) physical status classification I-III * Planned to undergo mini-percutaneous nephrolithotomy * Able and willing to provide written informed consent Exclusion Criteria: * Uncontrolled urinary tract infection at the time of surgery * Known bleeding tendency or coagulation disorders * Contraindication to general anesthesia * Pregnancy or breastfeeding

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Conditions

The condition(s) this trial relates to.

Kidney Calculi nephrolithiasis

As listed by the trial registrant

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

Kidney stones

Contacts and locations

Locations

  • The First Affiliated Hospital of Guangzhou Medical University

    Guangzhou, Guangdong, 510230, China

More trials for these conditions

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