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More info
You can access this
clinical trial
if you have
Acute Renal Colic or Nephrolithiasis
and you are
over 18
years old
The phase for this study is not defined.
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The purpose

Prospective single centre study aiming at validating a conditional imaging strategy for diagnosis of suspected kidney stone. Consecutive Emergency department patients referred to the medical imaging department for exploration of a suspected acute uncomplicated renal colic will undergo the following interventions : systematic plain abdominal Xray, systematic ultrasonography and systematic unenhanced CT (with a reduced dose scan), in addition to clinical examination and assessment of body mass index and the Sex, Timing, Origin, Nausea, Erythrocytes (STONE) clinical prediction score for symptomatic stone. Patients will be followed up at 1 month to record the need for urologic intervention and its type. The performances of different conditional imaging strategy for the diagnosis of suspected renal colic will be assessed retrospectively. The conditional strategies tested will be based on the patient's stone score and BMI and targeted use of combined plain X-ray and ultrasonography and/or unenhanced CT. The reference diagnosis for renal colic will be made according to the finding of a ureteral stone or indirect signs of urolithiasis at unenhanced CT.

Provided treatments

  • Device: Diagnostic imaging modalities for suspected renal colic

Locations near you

Unfortunately, there are no recruiting locations near you. Please check the list with all locations below.
Tris trial is registered with FDA with number: NCT02878148. The sponsor of the trial is University Hospital, Montpellier and it is looking for 220 volunteers for the current phase.
Official trial title:
Conditional Imaging Prescription Strategy as an Alternative to Systematic Unenhanced Computed Tomography for Exploration of Acute Uncomplicated Renal Colic With Lower Radiation Exposure