Clinical trials: Aneurysm
Abdominal Aortic Aneurysm, Coronary Heart Disease
Ethnicity and Onset of Cardiovascular Disease: A CALIBER Study
Specific cardiovascular diseases, such as stroke and heart attack, have been shown to vary by ethnic group. However, less is known about differences between ethnic groups and a wider range of cardiovascular diseases.
- Conditions
- Abdominal Aortic Aneurysm, Coronary Heart Disease, Sudden Cardiac Death, Intracerebral Haemorrhage
- Trial name
- NCT02176174
- Volunteers
- 1,068,318 people, healthy volunteers welcome
- Sponsor
- University College, London
Aneurism
Genetic Profile In Patients With Ruptured and Unruptured Intracranial Aneurysms
The project will involve multiple units within our Institute (Neurosurgery, Cerebrovascular Diseases, Neurology IV), as well as additional neurosurgical centers across Italy, for the enrollment of patients with saccular…
- Trial name
- ANEUBIO (NCT07233915)
- Where
- Italy
- Volunteers
- 252 people, healthy volunteers welcome
- Sponsor
- Fondazione I.R.C.C.S. Istituto Neurologico Carlo Besta
Diabetes, Retinopathy
Microvascular Reactivity.
This study attempts to test capillary responses to various challenges without the need for iontophoresis (electrical current).
- Conditions
- Diabetes, Retinopathy, Vascular Pathology
- Trial name
- NCT00259701
- Testing
- Laser Doppler Flowmetry with topical acetylcholine and nitroglycerin
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Yale University
Stroke
A Closed Loop Neural Activity Triggered Stroke Rehabilitation Device
The purpose of this research is to determine if two non-invasive brain stimulation techniques, muscle stimulation of the arm and neuro-stimulation through the tongue, can increase the extent of stroke recovery.
- Trial name
- NCT02098265
- Testing
- Functional Electric Stimulation (FES), Behavioral Assessments, Magnetic Resonance Imaging
- Where
- United States
- Volunteers
- 288 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Postprandial Period, Lipemia
Vascular Effects of Triglyceride-rich Lipoproteins
Many types of cardiovascular disease begin when the layer of cells lining blood vessels (endothelial cells) start to function abnormally.
- Conditions
- Postprandial Period, Lipemia, Vasodilation, Vascular Resistance
- Trial name
- NCT01618071
- Testing
- High-fat meals varying in their fatty acid composition
- Where
- United Kingdom
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- King's College London
Nitric Oxide, Endothelium-Derived Relaxing Factor
Effects of Nitrite on Blood Vessel Dilation in Normal Volunteers
Nitric oxide gas is important in regulating blood vessel dilation, and consequently, blood flow. This gas is continuously produced by endothelial cells, which line the blood vessels.
- Conditions
- Nitric Oxide, Endothelium-Derived Relaxing Factor, Healthy
- Trial name
- NCT00048477
- Testing
- L-NMMA and Sodium Nitrite
- Where
- United States
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Healthy Volunteers, Vascular Ehlers Danlos Syndrome
Non-Invasive Quantitative Imaging of Human Local Arterial Wall Elasticity Using Supersonic Shear Imaging
Arterial stiffness is associated with increased risk of cardiovascular events and death. Most of existing technique need dedicated device for arterial stiffness evaluation and indirect calculation of intra arterial pressure.
- Trial name
- ULTRAFASTECHO (NCT01096264)
- Testing
- SSI and SphygmoCor® evaluations
- Where
- France
- Volunteers
- 145 people, healthy volunteers welcome
- Sponsor
- French Cardiology Society
Aortic Aneurysm
Reference Values of Circulating Endothelial Progenitor Cells
Circulating endothelial progenitor cells CD34+144+CD14- et CD34+VEGF-R2+CD14- have been shown to be inversely correlated to aortic aneurysm size. However reference values have not yet been determined.
- Trial name
- ANOPEC2 (NCT01918969)
- Where
- France
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Hopital Jean Minjoz
Aortic Dissection
Potential Diagnostic Biomarkers for Aortic Dissection in the Emergency Department
The goal of this observational study is to determine the utility of desmosine, D-dimer and aggrecan as early diagnostic biomarkers in aortic dissection.
- Trial name
- ADD-ED (NCT06065306)
- Where
- Hong Kong
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- Chinese University of Hong Kong
Vasodilation, Vasoconstriction
The Impact of Carbon Monoxide and Altitude on Vascular Function
The CarMA (Carbon Monoxide and Altitude) Study aims to observe the vascular effects of carbon monoxide exposure at low and high altitudes.
- Trial name
- CarMA (NCT04928183)
- Testing
- Carbon monoxide rebreathe, Sodium Nitroprusside, Phenylephrine Hydrochloride
- Where
- Canada
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- University of Alberta
Aneurysm Aortic Root, Aortic Valve, Bicuspid
Aortic Valve Dynamics During Exercise After Valve Sparing Root Replacement Surgery
Aortic valve sparing operations are applied in patients with a non-calcified tricuspid or bicuspid aortic valve associated with a root aneurysm, in order to preserve the valve, and avoid new aortic dilatation by stabilizing the…
- Trial name
- NCT04205474
- Testing
- graded bicycle test
- Where
- Belgium
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University Hospital, Ghent
Exercise, Blood Pressure
Effects of Lentil Protein Hydrolysate on Blood Pressure Control, Vascular Function and Exercise Performance
Examining the safety and tolerability of Lentil Protein Hydrolysate in healthy males and females whilst exploring the effects of a dose range on blood pressure control and vascular function and exercise performance
- Conditions
- Exercise, Blood Pressure, Vasodilation, Vascular Function in Healthy Volunteers
- Trial name
- NCT06894875
- Testing
- Lentil protein hydrolysate
- Where
- Australia
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Nuritas Ltd
Aortic Dissection
Aortic Dissection Detection Risk Score Plus D-dimer in Suspected Acute Aortic Dissection
Acute aortic dissection (AD) is a deadly, difficult to diagnose disease presenting with an array of common and unspecific symptoms.
- Trial name
- ADvISED (NCT02086136)
- Where
- 6 sites in Brazil, Germany and 2 more
- Volunteers
- 1,900 people, healthy volunteers welcome
- Sponsor
- Azienda Ospedaliero-Universitaria Careggi
Abdominal Aortic Aneurysm (AAA)
Ultra-sound for AAA Screening in Smoking Israeli Arab Men
The study aims at screening Israeli Arab men, smokers or past smokers, for abdominal aortic aneurysms (AAA). The screening is to be performed at the family doctors clinics in the rural arab erea of the north of Israel.
- Trial name
- NCT02306304
- Testing
- Duplex ultra sound screening for abdominal aortic aneurysms
- Where
- Israel
- Volunteers
- 913 people, healthy volunteers welcome
- Sponsor
- Clalit Health Services
Aortic Aneurysm
Exercise Physiology in Patients With Aortic Aneurysm and Its Correlation With Mechanical Properties of Aortic Tissue
Aortic aneurysm patients benefit from exercise yet patients and physicians do not know a safe level. Cardiac MRI (CMR) is the most comprehensive imaging modality for phenotypic evaluation of patients with cardiac disease but it…
- Trial name
- NCT06789809
- Testing
- Exercise MRI
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- The Cleveland Clinic
Vasodilation, Exercise
Acute Effect of Polyphenols Supplementation on Endothelial Function and Exercise Related Markers, in Physically Active Healthy Volunteers.
To evaluate the effect of acute polyphenols supplementation on vasodilation and related markers along with exercise related markers (notably performance, respiratory exchanges, perceived exertion), before, during and after a…
- Conditions
- Vasodilation, Exercise, Healthy Adults
- Trial name
- PolypOxy (NCT07518758)
- Testing
- Oral administration
- Where
- France
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Nexira
Coronary Artery Ectasia
Arrhythmogenic Risk Assessment in Coronary Artery Ectasia Patients
The investigators thought to explore arrhythmias outcome - hidden arrhythmias, ECG features: Tp-Te interval and Tp-Te/QTc ratio, fQRS among patients with coronary artery ectasia as compared to normal coronary artery patients.
- Trial name
- NCT05106530
- Testing
- Holter, ECG
- Where
- Egypt
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Assiut University
Aortic Dissection, Family Research
Study on Susceptibility Genes and Pathogenic Mechanism of Non-syndromic Familial Aortic Dissection
Aortic dissection is dangerous and difficult to predict, so it is particularly important to carry out early prevention, diagnosis and rational treatment for high-risk groups.
- Conditions
- Aortic Dissection, Family Research, Aortic Dissection, Familial, With or Without Aortic Aneurysm
- Trial name
- NCT04439565
- Testing
- movement
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Chinese Medical Association
Aorta Disease, Aorta Aneurysm
Assess Abdominal Aortic Diameter in Females
Female subjects aged 50 years or older will be enrolled. Biometric data (measurements) of the aorta and iliac vessels, demographic data, pathophysiological history, and data relating to menarche, pregnancy/infertility, and…
- Trial name
- AFRODITE (NCT07487961)
- Where
- Italy
- Volunteers
- 652 people, healthy volunteers welcome
- Sponsor
- Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico
Intracranial Aneurysm, CT Angiography
Stepped-Wedge Cluster Randomized Trial of AI-Assisted CTA Detection for Intracranial Aneurysms in Regional Hospitals
This study (IDEAL 2) is a nationwide stepped-wedge cluster-randomized trial designed to prospectively enroll over 14,400 patients undergoing outpatient head CT angiography (CTA).
- Conditions
- Intracranial Aneurysm, CT Angiography, AI (Artificial Intelligence), Cluster Randomized Trial
- Trial name
- IDEAL2 (NCT07124624)
- Testing
- AI-Assisted CTA Interpretation, Standard CTA Interpretation
- Volunteers
- 14,400 people, healthy volunteers welcome
- Sponsor
- Jinling Hospital, China