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Laser showdown: which beam blasts kidney stones best?

NCT ID NCT06721975

Recruiting now Disease control Sponsor: University of California, San Diego Source: ClinicalTrials.gov ↗

First seen Jul 09, 2026 · Last updated Jul 10, 2026 · Updated 1 time

Summary

This study compares two laser systems—thulium fiber laser and pulsed Thulium:YAG—for breaking up kidney stones during a procedure called ureteroscopy. Researchers will measure how much energy each laser uses per stone volume and how fast it works. The goal is to find which laser is more efficient and safer for patients with a single kidney stone or multiple stones totaling 7–20 mm in size.

What this could mean

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

Active substance
Thulium fiber laser and pulsed Thulium:YAG laser
What this could lead to
If one laser proves more efficient, it could become the preferred tool for kidney stone surgery, reducing procedure time and improving outcomes.
What could go wrong
This is a small, single-center study with only 50 participants, so results may not apply broadly. Both lasers are already in use, so no breakthrough is expected.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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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 NEPHROLITHIASIS

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • University of California, San Diego

    RECRUITING

    San Diego, California, 92122, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact

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