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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05766085
Other study ID # 05C921
Secondary ID
Status Recruiting
Phase
First received
Last updated
Start date April 15, 2021
Est. completion date February 1, 2024

Study information

Verified date March 2023
Source Istituto Auxologico Italiano
Contact Carmen Aresta, MD
Phone +3902619112506
Email c.aresta@auxologico.it
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

The goal of this observational study is to evaluate, between patients with arterial hypertension and non hypertensive control group, - the prevalence of hidden hypercortisolism - the relationship between organ damage and oxidative stress level, cortisol secretion degree, sensitivity and peripheral activity


Recruitment information / eligibility

Status Recruiting
Enrollment 290
Est. completion date February 1, 2024
Est. primary completion date February 1, 2024
Accepts healthy volunteers No
Gender All
Age group 30 Years to 70 Years
Eligibility Inclusion Criteria: - Hypertension group: arterial hypertension - No hypertension group: absence of arterial hypertension Exclusion Criteria: - body mass index (BMI) >30 kg/m2 - active smoking (>20 cigarettes/day) - pregnancy/lactation - hypertension associated with family history of hypertension and cerebrovascular events before 40 years of age - sleep apnea - hypertension appearance in pre-pubertal age - hypokalemia - hypertension in the setting of an incidental adrenal mass - classic signs and symptoms of hypercortisolism (lunar facies, striae, hypertrichosis, skin atrophy, hump) - proven endocrine hypertension (pheochromocytoma, hyperaldosteronism, hyperparathyroidism, acromegaly, hyperthyroidism) - renovascular hypertension - diseases or conditions associated with increased activity of the hypothalamic-pituitary- adrenal axis and/or oxidative stress, such as type 2 diabetes, rheumatoid arthritis, severe rheumatic/autoimmune diseases, severe hematological diseases, alcoholism, depressive syndrome, chronic renal failure (GFR <45 ml/min), severe hypovitaminosis D (25OHvitaminD <10 ng/dL) - therapies that interfere with the activity of the HPA axis (i.e. glucocorticoids, antidepressants).

Study Design


Intervention

Diagnostic Test:
Dexamethasone suppression test
Determination of cortisol levels at 9.00 am after taking 1 mg of dexamethasone the previous evening at 11.00 pm (1mg DST)

Locations

Country Name City State
Italy Istituto Auxologico Italiano IRCCS Milan MI

Sponsors (1)

Lead Sponsor Collaborator
Istituto Auxologico Italiano

Country where clinical trial is conducted

Italy, 

Outcome

Type Measure Description Time frame Safety issue
Primary Prevalence of hidden hypercortisolism (HidHyCo) The presence of HidHyCo will be evaluated through the determination of cortisol levels at 9.00 am after taking 1 mg of dexamethasone the previous evening at 11.00 pm (1mgDST). In case of 1mgDST >1.8 µg/dL the patient will repeat the test and, if the result is confirmed, the patients is considered to have HidHyCo. At baseline
Secondary Evaluation of organ damage Organ damage will be assessed by performing echocardiography, carotid echo-doppler (arterial stiffness) and microalbuminuria evaluation, which assess hypertensive heart disease, macro-angiopathy and hypertensive nephropathy, respectively At baseline
Secondary Evaluation of oxidative stress level The determination of the degree of oxidative stress will be carried out in all patients by evaluating the enzymatic activity of dipeptidyl peptidase 3 (DPP3) in the serum At baseline
Secondary Evaluation of cortisol secretion degree The cortisol secretion will be evaluated by measuring morning plasma ACTH and serum cortisol, 24-hour urinary free cortisol, serum cortisol at 09:00 after the administration of
1 mg dexamethasone at 11 PM on the previous day
At baseline
Secondary Evaluation of glucocorticoid sensitivity In all subjects, genotyping of the N363S, BclI, ER22/23EK polymorphisms of the GR gene and of the polymorphisms will be performed At baseline
Secondary Evaluation of glucocorticoid peripheral activity Urinary free cortisol and urinary free cortisone will be measured in all subjects; their ratio will be used as measure of glucocorticoid peripheral activity At baseline
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