Actively Recruiting
Ultrasound to Facilitate Stone Passage
Led by University of Washington · Updated on 2025-12-09
140
Participants Needed
3
Research Sites
291 weeks
Total Duration
On this page
Sponsors
U
University of Washington
Lead Sponsor
I
Indiana University
Collaborating Sponsor
AI-Summary
What this Trial Is About
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.
CONDITIONS
Official Title
Ultrasound to Facilitate Stone Passage
Who Can Participate
Eligibility Criteria
You may qualify if you...
- Individuals presenting with at least one kidney stone
- Stone size greater than 2 mm and up to 7 mm as shown by clinical imaging
- Individuals with spinal cord injury (Phase 2b only)
You will not qualify if you...
- Individuals under 18 years of age
- Pregnant individuals or those trying to get pregnant
- Prisoners
- Individuals with cognitive impairment limiting understanding of consent or participation
- Individuals unable to read or understand English
- Individuals unable or unwilling to participate in follow-up activities
- Individuals who cannot be positioned for ultrasound imaging
- Individuals with uncorrected bleeding disorders or coagulopathies
- Individuals on anticoagulants unwilling or unable to temporarily stop medication for the procedure
- Individuals with calcified abdominal aortic aneurysm or calcified renal artery aneurysm on the same side as the targeted stone
- Individuals with a solitary kidney
- Individuals with an uncorrected urinary tract obstruction
- Individuals with an untreated infection
- Individuals with comorbidities making them poor candidates as judged by the physician
- Individuals who have had two previous investigational procedures for the same stone
- Individuals who had the investigational procedure within the last 21 days or still have unresolved adverse events from a prior procedure
AI-Screening
AI-Powered Screening
Complete this quick 3-step screening to check your eligibility
Trial Site Locations
Total: 3 locations
1
Indiana University Health - North Hospital
Carmel, Indiana, United States, 46032
Withdrawn
2
VA Puget Sound Health Care System
Seattle, Washington, United States, 98108
Actively Recruiting
3
University of Washington
Seattle, Washington, United States, 98195
Actively Recruiting
Research Team
M
Michael Bailey, PhD
CONTACT
B
Barbrina Dunmire, MS
CONTACT
How is the study designed?
Study Type
INTERVENTIONAL
Masking
NONE
Allocation
NON_RANDOMIZED
Model
SINGLE_GROUP
Primary Purpose
TREATMENT
Number of Arms
4
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