Study of Tomography of Nephrolithiasis Evaluation
Public ClinicalTrials.gov record NCT01451931. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Randomized Controlled Trial of Ultrasound Versus CT (Computed Tomography) for Patients in the Emergency Department With Suspected Renal Colic
Study identification
- NCT ID
- NCT01451931
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 4
- Lead sponsor
- University of California, San Francisco
- Other
- Enrollment
- 2,776 participants
Conditions and interventions
Conditions
Interventions
- Point-of-care Ultrasound Other
- Radiology Ultrasound Radiation
- Radiology CT Other
Other · Radiation
Eligibility (public fields only)
- Age range
- 18 Years to 75 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Aug 31, 2011
- Primary completion
- Aug 31, 2013
- Completion
- Aug 31, 2013
- Last update posted
- Dec 2, 2014
2011 – 2013
United States locations
- U.S. sites
- 15
- U.S. states
- 12
- U.S. cities
- 14
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| UCSF at Fresno | Fresno | California | 93701 | — |
| University of California, Davis | Sacramento | California | 95817 | — |
| University of California, San Francisco | San Francisco | California | 94143 | — |
| Grady Memorial Hospital | Atlanta | Georgia | 30303 | — |
| John H. Stroger Jr. Hospital of Cook County | Chicago | Illinois | 60612 | — |
| Massachusetts General Hospital | Boston | Massachusetts | 02114 | — |
| Beth Israel Deaconess Medical Center | Boston | Massachusetts | 02215 | — |
| Hennepin County Medical Center | Minneapolis | Minnesota | 55415 | — |
| Washington University School of Medicine | St Louis | Missouri | 63130 | — |
| Jacobi Medical Center | The Bronx | New York | 10461 | — |
| Oregon Health and Science University | Portland | Oregon | 97239 | — |
| Hospital of the University of Pennsylvania | Philadelphia | Pennsylvania | 19104 | — |
| Rhode Island Hospital | Providence | Rhode Island | 02903 | — |
| University of Texas Houston Medical Center | Houston | Texas | 77026 | — |
| University of Utah | Salt Lake City | Utah | 84132 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT01451931, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Dec 2, 2014 · Synced Jul 23, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT01451931 live on ClinicalTrials.gov.