Status:

RECRUITING

Effects of Change in Blood Pressure on Retinal Capillary Rarefaction in Patients With Arterial Hypertension

Lead Sponsor:

Medical University of Vienna

Conditions:

Arterial Hypertension

Blood Pressure, High

Eligibility:

All Genders

18-90 years

Brief Summary

To evaluate whether in patients with initially poorly-controlled arterial hypertension, structural and functional differences in the retina and choroid remain after achieving a well-controlled blood p...

Detailed Description

Optical Coherence Tomography Angiography (OCT-A) is an ocular imaging technique which allows fast and non-invasive assessment of the retinal microvasculature. With the OCT-A, a reduction in capillary ...

Eligibility Criteria

Inclusion

  • Men and Women aged ≥ 18 years
  • Signed informed consent
  • Apart from hypertensive retinopathy, normal ophthalmic findings
  • Non-Smokers
  • Patients with initially diagnosed or pre-existing mild to moderate primary arterial hypertension (systolic office blood pressure ≥ 140 mmHg and/or diastolic office blood pressure ≥ 90 mmHg)
  • Planned initiation of antihypertensive medication or planned adaption of antihypertensive medication by the Department of Cardiology
  • Subject agrees to perform regular blood pressure self-measurements and to document blood pressure values in a diary

Exclusion

  • Participation in a clinical trial in the three weeks preceding the study
  • Blood donation in the three weeks preceding the study
  • Symptoms of a clinically relevant illness in the three weeks preceding the study
  • History of family history of epilepsy
  • Secondary hypertension (e.g.: hyperaldosteronism, pheochromocytoma, renal artery stenosis, renal parenchymal diseases, Cushing-syndrome, Coarctatio aortae)
  • History of hypertensive encephalopathy or intracerebral bleeding
  • Diabetes mellitus Type 1 or Type 2
  • Pregnant or breast-feeding women
  • Women of childbearing potential (neither menopausal, nor hysterectomized, nor sterilized) not using effective contraception

Key Trial Info

Start Date :

September 1 2023

Trial Type :

OBSERVATIONAL

Allocation :

ESTIMATED

End Date :

August 1 2025

Estimated Enrollment :

30 Patients enrolled

Trial Details

Trial ID

NCT06098300

Start Date

September 1 2023

End Date

August 1 2025

Last Update

September 19 2024

Active Locations (1)

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Medical University of Vienna

Vienna, Austria, 1090