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Clinical trialNCT04796792RecruitingInterventional

Ultrasound to Facilitate Stone Passage

SponsorUniversity of WashingtonEnrollment140Urinary CalculiUrinary Stone
View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

This is a prospective, open-label, multi-center study to test the clinical feasibility of facilitating stone passage by the combination of breaking and repositioning stones with ultrasound, without the need for anesthesia.
clinicaltrials.gov ↗

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

3 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States
  • Indiana University Health - North Hospital

    Carmel, Indiana, United States

    Withdrawn
  • University of Washington

    Seattle, Washington, United States

    Jonathan Harper, MD
    Recruiting
  • Va Puget Sound Health Care System

    Seattle, Washington, United States

    Claire Yang, MD
    Recruiting

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study — it may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
1 Apr 2023
Primary completion
31 May 2028
Completion
31 Oct 2028
Last update posted
9 Dec 2025
Registered enrollment
140
Registry id
NCT04796792
clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.