Intraoperative Analysis of Cortisol During Adrenal Vein Sampling

Status Completed

Clinical Trial Summary

Aldosterone is a hormone produced in the adrenals that helps regulate the salt balance and blood pressure. Primary hyperaldosteronism is one of the main endocrine causes of secondary hypertension. The overproduction of aldosteron might in some cases be due to unilateral hyperplasia of the adrenal cortex or a unilateral aldosterone-producing adenoma. In these cases the adrenal can be removed and the patient cured of hypertension. The clinical evaluation of patients with confirmed primary hyperaldosteronism therefore includes selective sampling of blood from the adrenal veins to determine lateralization of overproduction. This is executed as an interventional radiological procedure.

The adrenal vein sampling is challenging, and success is determined by measuring another adrenal hormone named cortisol in the blood samples as a marker of a correctly drawn sample. By routine laboratory assays the procedure is evaluated after the patient has been discharged from the hospital. In the study a rapid assay of cortisol will be evaluated, allowing the radiologist to draw new samples during the same procedure if the first set of samples is unsuccessful. The study hypothesis is that intraoperative measurement of cortisol is a useful tool to evaluate successful sampling, and that fewer patients will need a repeated procedure.

Clinical Trial Description

n/a

Study Design

Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Diagnostic

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT01761344
Study type	Interventional
Source	Haukeland University Hospital
Contact
Status	Completed
Phase	N/A
Start date	January 2013
Completion date	August 2013

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