Comparing robotic and standard flexible ureteroscopy for kidney stones

A Randomized Controlled Trial Comparing Robotic Flexible Ureteroscopy With Standard Flexible Ureteroscopy for Treatment of Renal Stones - A Pilot Study

Not applicable Interventional Chinese University of Hong Kong · NCT06660914

This study is testing whether using robotic tools for kidney stone removal works better than the standard method for patients with kidney stones.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment30 (estimated)
Ages18 Years and up
SexAll
SponsorChinese University of Hong Kong Academic / other
Locations1 site (Sheung Shui)
Trial IDNCT06660914 on ClinicalTrials.gov

What this trial studies

This clinical trial compares the outcomes of robotic flexible ureteroscopy with standard flexible ureteroscopy in treating renal stones. It is a prospective randomized controlled trial where eligible patients scheduled for flexible ureteroscopy are randomly assigned to one of the two treatment arms. The randomization is done using a computer-generated block method, ensuring a 1:1 allocation ratio. While the urologist performing the procedure cannot be blinded, patients and outcome assessors are blinded to the treatment allocation.

Who should consider this trial

Good fit: Ideal candidates are adults aged 18 and older who are scheduled for flexible ureteroscopy for renal stones.

Not a fit: Patients with certain urinary tract abnormalities or those with large renal stones over 3cm may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved treatment outcomes for patients with renal stones.

How similar studies have performed: Other studies have shown promising results with robotic ureteroscopy, suggesting potential benefits, but this specific comparison is less common.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age ≥ 18 years old with informed consent
* Being willing and able to provide written informed consent

Exclusion Criteria:

* Patients with abnormal urinary tract (e.g. ileal conduit, neobladder, ureteric stricture)
* American Society of Anesthesiologists (ASA) physical status classification system \>3
* Untreated urinary tract infection
* Renal stones \> 3cm in diameter

Where this trial is running

Sheung Shui

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Renal Stone
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.