Study of Myocardial Interstitial Fibrosis in Hyperaldosteronism

Status Completed

Clinical Trial Summary

Animal models have demonstrated the role of aldosterone in left ventricular remodeling involving fibrosis, apoptosis and hypertrophy. Myocardial fibrosis is a risk factor for serious arrhythmia and sudden death in ischemic and idiopathic hypertrophic heart disease. It is accepted that patients with primary aldosteronism have a higher prevalence of LV hypertrophy , arterial involvement and increased cardiovascular risk. In humans, a link has been demonstrated between aldosterone and heart failure as well as the benefit of the administration of an anti -aldosterone drug to lower mortality in this population , regardless of blood pressure level . The administration of spironolactone ( aldosterone ) in hypertensive rats has prevented the occurrence of aortic fibrosis . Plasma aldosteronism in humans has been associated with inflammation, fibrosis and aortic stiffness . However, primary aldosteronism is generally associated with so-called secondary hypertension . Chronic hypertension alone is a recognized etiological factor of myocardial hypertrophy ( myocardial fibrosis very advanced ) . The purpose of this study is to investigate the effects of MRI hyperaldosteronism on the heart.

Clinical Trial Description

Cross-sectional study with double analysis (A and B) with 2 x 2 sub-groups (ratio control/case 1/1)

- clinical situation: subjects are hypertensive. 20 subjects with primary aldosteronism will be compared to 20 patients with essential arterial hypertension

- clinical situation are normotensive subjects, 20 subjects with secondary aldosteronism loss in congenital salt (Bartter's syndrome / Gitelman) will be compared to 20 healthy volunteers. Controls (essential hypertension and healthy volunteers) are matched for age, sex and body size in two experimental groups (HAP and Gitelman). All subjects were recruited by the CIC of the European Georges Pompidou Hospital (Paris). ;

Study Design

Observational Model: Case Control, Time Perspective: Cross-Sectional

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02938910
Study type	Observational
Source	Assistance Publique - Hôpitaux de Paris
Contact
Status	Completed
Phase	N/A
Start date	November 2012
Completion date	October 2014

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Study of Myocardial Interstitial Fibrosis in Hyperaldosteronism — COEURALDO

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms