Validation of Low Dose CT for Diagnosis of Urolithiasis

Validation of an Extremely Low Dose Computed Tomography Protocol for Diagnosing Urolithiasis in Children and Young Adults

Status

Terminated

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT03656913

Enrollment

Registered

2018-09-04

Start date

2018-11-30

Completion date

2020-09-28

Last updated

2021-02-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Nephrolithiasis, Ureterolithiases

Keywords

Kidney Stone, Renal, Renal Stone

Brief summary

The investigators have developed an extremely low dose renal computed tomography (CT) protocol that on preliminary testing has an effective dose in the range of a single view abdominal radiograph. The investigators plan to test this exam in patients with known or suspected urolithiasis undergoing clinically indicated CT.

Interventions

DIAGNOSTIC_TESTExtremely low dose CT

Patients undergoing clinically indicated CT will also receive the extremely low dose CT

Study design

Allocation

Intervention model

SINGLE_GROUP

Primary purpose

DIAGNOSTIC

Masking

NONE

Eligibility

Sex/Gender

ALL

Age

4 Years to 20 Years

Healthy volunteers

Inclusion criteria

* Pediatric and young adult patients (ages 4 to \<21 years) * Known or suspected urolithiasis * Undergoing clinically indicated CT of the abdomen/pelvis

Exclusion criteria

* Pregnancy * Prior enrollment in the same study (no patient will be enrolled more than once)

Design outcomes

Primary

Measure	Time frame	Description
Diagnostic performance of extremely low dose CT	Immediate	Sensitivity

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026