Can two kidney stone blasts in one week be as safe as waiting three weeks?

NCT ID NCT07421843

ENROLLING_BY_INVITATION Disease control Sponsor: Region Skane Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study compares two schedules for shockwave lithotripsy (ESWL) to treat kidney stones 8-15 mm. 600 participants will receive two ESWL treatments either in the same week or three weeks apart. Researchers will measure how quickly stones clear, complication rates, and patient quality of life to see if the faster schedule is equally safe and effective.

What this could mean

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

Active substance: Extracorporeal shockwave lithotripsy (ESWL)
What this could lead to: If it works, this could offer a faster, equally safe way to break up kidney stones, reducing the time patients need to wait between treatments.
What could go wrong: This is a small, early-stage trial with no blinding or placebo, so results may not apply broadly. There is also a risk of complications like bruising or incomplete stone clearance.

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 STONE

Contacts and locations

Locations

Department of Urology

Helsingborg, Sweden
Department of Urology, KI Huddinge

Stockholm, Sweden

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