Hypertension Clinical Trial
Official title:
Evaluation of spironolactoNe Versus Indapamide on Target Organ Damage in Patients With Obesity and hYpertension(ENVOY)
Most recent guidelines continue to recommend thiazide diuretics as first-line agents for patients with hypertension in spite of the potential metabolic side effects, while mineralocorticoid receptor antagonists (MRAs), such as spironolactone or eplerenone, are mainly recommended to be used in patients with resistant hypertension or heart failure.However,animal studies demonstrated that MRAs induce beneficial changes in left ventricular remodeling and prevent or partially reverse cardiac fibrosis and pathological hypertrophy that contribute to the development of diastolic heart failure. MRAs have also been shown to decrease inflammation and myocardial fibrosis in patients with obesity and the metabolic syndrome. In the proposed study, the investigators planned to randomize 400 patients with essential hypertension and increased waist circumference to receive spironolactone or indapamide in combination with amlodipine for 12 months. The effects of the two diuretics on target organ damage detected by changes in left atrial volume index(LAVI) by echocardiography reflecting left ventricular diastolic dysfunction or changes in carotid-femoral pulse wave velocity(PWV) reflecting arterial stiffness will be compared. The potential role of MRAs as initial therapy for patients with essential hypertension and visceral obesity will be evaluated.
Status | Recruiting |
Enrollment | 400 |
Est. completion date | December 2020 |
Est. primary completion date | August 2020 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years to 80 Years |
Eligibility |
Inclusion Criteria: 1. Patients with essential hypertension aged between 18-80years 2. Office systolic blood pressure (SBP)=140mmHg and <180mmHg without treatment or on one antihypertensive drug or SBP<140mmHg on two antihypertensive drugs 3. Waist circumference =90cm for males, = 80cm for females Exclusion Criteria: 1. Secondary hypertension. 2. Symptomatic congestive heart failure or history of heart failure. 3. History of ischemic stroke, unstable angina or myocardial infarction; 4. Atrial fibrillation 5. Serum creatinine = 2.0mg/dl or eGFR= 30 ml/min/1.73 m2 6. Serum K+ = 5.0 mmol/L or =3.5 mmol/L |
Country | Name | City | State |
---|---|---|---|
China | Peking University Third Hospital | Beijing | Beijing |
Lead Sponsor | Collaborator |
---|---|
Peking University Third Hospital | Peking University, University of Michigan |
China,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | left atrial volume index (LAVI) | change in left atrial volume index (LAVI) from baseline to the end of study period of 12 months | 12 months | |
Secondary | carotid-femoral pulse wave velocity (PWV) | change in carotid-femoral pulse wave velocity (PWV) from baseline to the end of study period of 12 months | 12 months |
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