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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT02841696
Other study ID # CHUBX 2014/07
Secondary ID
Status Not yet recruiting
Phase N/A
First received July 20, 2016
Last updated July 20, 2016
Start date September 2016
Est. completion date September 2018

Study information

Verified date July 2016
Source University Hospital, Bordeaux
Contact Antoine CREMER, MD
Phone (0)5 56 79 58 01
Is FDA regulated No
Health authority France: The Commission nationale de l’informatique et des libertés
Study type Observational

Clinical Trial Summary

Hypertension is a major cardiovascular risk factor. Heart failure is one of its main complications but the factors that influence its development are still insufficiently known. The primary objective is to determine associated factors to the occurrence of left ventricular (LV) systolic dysfunction assessed by an alteration of the Global Longitudinal Strain (GLS) after more than the years of hypertension. The secondary objective is to estimate the prevalence of LV systolic dysfunction in a cohort of hypertensive people followed for over 10 years and formulate pathophysiological hypotheses on the development of this heart disease.


Some of the hypertensive patients will develop a post hypertensive heart disease. This hypertrophic cardiomyopathy is now essentially defined by the association of LV hypertrophy and diastolic dysfunction. Investigators believe this hypertrophic cardiomyopathy is also characterized by early impairment of systolic function but mainly in its longitudinal component (assessed by measuring the GLS) and therefore exposed to cardiovascular events.

The work is based on an existing cohort of hypertensive patients included more than 10 years ago before any initiation of antihypertensive therapy in the hypertension unit of the Bordeaux University Hospital, France. Patients will be contacted for further consultation with a cardiologist to identify patients with a LV systolic dysfunction. The primary end-point is a decrease of the longitudinal systolic function with a GLS<-17% for men and <-19% for women.

A sufficient number of patients will be contacted in order to collect data of at least 400 patients after more than 10-year of follow-up.

Recruitment information / eligibility

Status Not yet recruiting
Enrollment 400
Est. completion date September 2018
Est. primary completion date September 2018
Accepts healthy volunteers No
Gender Both
Age group 18 Years and older
Eligibility Inclusion Criteria:

- Patient who was diagnosed as hypertensive more than 10 years ago and who underwent cardiac-echography, ECG, a biological blood test and an ambulatory blood pressure measurement before the introduction of antihypertensive treatment.

Exclusion Criteria:

- Oral refusal of patient participation or its legal representatives, reading the specific information note for the study.

Study Design

Observational Model: Cohort

Related Conditions & MeSH terms


Cardiac echography
The exam is in the left lateral decubitus position. 4 electrodes are applied to the patient's chest for a synchronization with the Electrocardiogram (ECG). The examination is conducted as standard with acquisition loops of records in parasternal long axis parasternal short axis, apical 4-cavities, 2-cavities and aorta 2 cavities.


Country Name City State
France University Hospital Bordeaux Bordeaux

Sponsors (1)

Lead Sponsor Collaborator
University Hospital, Bordeaux

Country where clinical trial is conducted



Type Measure Description Time frame Safety issue
Primary Measure of GLS GLS measurement is a percentage obtained on cuts apical 4-chamber, 2-aortic cavities and 2 cavities (average of 3 impacts) after locating the aortic pulsed Doppler of the opening and closing of the aortic valve.
GLS < -17% for men and < -19% for women.
Day 1 No
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