Clinical trials: Aneurysms
Metabolic Syndrome X
Mechanisms of Cerebrovascular Control
The objective of this study is to identify insulin-specific cerebral blood flow (CBF) control mechanisms, and establish cerebrovascular responsive baseline in younger (18-45 yrs) metabolic syndrome adults (MetSyn) who are at…
- Trial name
- NCT02936687
- Testing
- NOS Inhibition, ET-1 Inhibition, 3 Tesla MRI
- Where
- United States
- Volunteers
- 59 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Coronary Artery Ectasia
Effect of Diltiazem on Coronary Artery Ectasia
Coronary artery ectasia (CAE) has been defined as localized or diffuse dilatation of epicardial coronary arteries more than 1.5 fold of adjacent normal segments.
- Trial name
- NCT02024919
- Testing
- intracoronary administration of diltiazem, intracoronary injection of 5 mL saline
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Ankara University
Aortic Aneurysm, Aortic Dissection
Cardiovascular Health Improvement Project
The goal of this project is to establish a biobank of clinical information, DNA, plasma, and aortic tissue samples from patients with cardiovascular disease as well as healthy controls.
- Conditions
- Aortic Aneurysm, Aortic Dissection, Bicuspid Aortic Valve (BAV), Heart Failure
- Trial name
- CHIP (NCT02306200)
- Where
- United States
- Volunteers
- 15,000 people, healthy volunteers welcome
- Sponsor
- University of Michigan
Vertebral Artery Dissection, Cerebrovascular Accident
Changes in Cerebral Blood Flow With Spinal Manipulative Therapy vs. Voluntary Motion
The investigators are performing a study to determine whether changes in blood flow occur in the neck and back of the brain following a series of head positions and a manipulation of the upper neck.
- Conditions
- Vertebral Artery Dissection, Cerebrovascular Accident, Cerebrovascular Stroke
- Trial name
- NCT01205490
- Testing
- head positions and spinal manipulation
- Where
- Canada
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Canadian Memorial Chiropractic College
Chronic Kidney Insufficiency, Hypertension
Renal and Systemic Vascular Resistance in Chronic Kidney Disease (CKD)
Patients with reduced kidney function have a higher risk of heart disease and death. Studies have shown that blood vessels in patients with hypertension change with a decrease of lumen size and growth of the vessel wall.
- Conditions
- Chronic Kidney Insufficiency, Hypertension, Vasodilation
- Trial name
- RenVas (NCT01380717)
- Testing
- Beta-blocker, ACE-inhibitor, Calcium Channel Blockers, ACE-Inhibitor
- Where
- Denmark
- Volunteers
- 83 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Vasodilation, Hypoxia
Sex-related Differences in Sympathetic Vascular Transduction in the Setting of Hypoxemia
The purpose of this project is to identify sex-related differences in the effect of hypoxia on sympathetic vascular transduction.
- Trial name
- NCT05256069
- Testing
- Propranolol Pill
- Where
- United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- University of Missouri-Columbia
Brain Aneurysm
Current Treatment Modalities for Wide Necked Intracranial Aneurysms
Give an effective treatment for intracranial wide necked aneurysm and can detect the best method could be used. Improve the outcome of these patients and decease rate of recurrence and complications.
- Trial name
- NCT03852680
- Testing
- aneurysm clipping
- Where
- Egypt
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Assiut University
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
Rheumatoid Arthritis, Ankylosing Spondylitis
PatientSpot Formerly Known as ArthritisPower
Patient Power is a patient research network and database (registry) to collect prospective information about demographics, self-reported diagnoses and medications, and willingness to participate in research from participants with…
- Conditions
- Rheumatoid Arthritis, Ankylosing Spondylitis, Fibromyalgia, Gout
- Trial name
- NCT03840928
- Where
- United States
- Volunteers
- 40,000 people, healthy volunteers welcome
- Sponsor
- Global Healthy Living Foundation
Vascular Stiffness, Vasodilation
Effects of Betalains on Cardiovascular Health and Quality of Life
The goal of this randomized, double-blind, placebo-controlled, cross-over trial is to investigate the effects of beetroot-derived betalains on cardiovascular health, sleep and quality of life in healthy middle-aged individuals.
- Conditions
- Vascular Stiffness, Vasodilation, Sleep, Quality of Life
- Trial name
- NCT06117007
- Testing
- Betalains
- Where
- United Kingdom
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- King's College London
Aneurysm Dissecting
Gender-related Differences in Chinese Patients With AAD
Few data exist on gender-related differences in clinical features, management, and outcomes of acute aortic dissection (AAD) in China.
- Trial name
- NCT02200835
- Volunteers
- 2,015 people, healthy volunteers welcome
- Sponsor
- General Hospital of Beijing PLA Military Region
Aortic Dissection, Lung Infection
Population Pharmacokinetics of Lassila Tazobactam in Patients After Aortic Dissection
The individualized drug use research on optimizing piperacillin tazobactam for CRRT of hospital-acquired pulmonary infection after cardiopulmonary bypass is still in the initial stage at home and abroad, lacking systematic…
- Trial name
- NCT05349305
- Testing
- continuous renal replacement therapy
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- The Second Hospital of Shandong University
Aortic Dissection
Cerebral and Spinal Protection of Xenon Post-conditioning in Patients Undergoing Aortic Dissection Repair
With more and more people developing hypertension and atherosclerosis, the morbidity rate of Acute Aortic Dissection（AAD） has been increasing. Emergency surgery is the main treatment for Acute Aortic Dissection.
- Trial name
- NCT02774096
- Testing
- xenon
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Beijing Anzhen Hospital
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
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
Abdominal Aortic Aneurysm, Acute Myocardial Infarction
Body Mass Index and Initial Presentations of Cardiovascular Diseases
The association between obesity and cardiovascular disease (CVD) has mostly been studied using broad endpoints or have focused on cause-specific mortality.
- Conditions
- Abdominal Aortic Aneurysm, Acute Myocardial Infarction, Stroke, Heart Failure
- Trial name
- CALIBER (NCT01704300)
- Where
- United Kingdom
- Volunteers
- 2,240,000 people, healthy volunteers welcome
- Sponsor
- University College, London
Healthy
Measurement of the Eye's Blood Vessels Using the Dynamic Vessel Analyzer (DVA)
The purpose of this research study is examine the response of the blood vessels in the eye to a light flicker stimulus using the Dynamic Vessel Analyzer (DVA) on two separate days in healthy individuals.
- Trial name
- NCT00783029
- Where
- United States
- Volunteers
- 87 people, healthy volunteers welcome
- Sponsor
- Penn State University
Descending Aortic Aneurysm, Ultrasound
TransThoracic Ultrasound for Descending Aortic Aneurysms
The goal of this observational study is to assess the applicability of non-invasive ultrasound in aneurysms of the descending thoracic aorta.
- Conditions
- Descending Aortic Aneurysm, Ultrasound, Accuracy, Feasibility
- Trial name
- THORUS (NCT07752654)
- Where
- United Kingdom
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Imperial College London
Aortic Aneurysm
Patient Tailored Contrast Volume for Preoperative CT Angiography of the Aorta
An in-house calculator was developed to calculate the appropriate contrast dose, rather than standardly administering a 120ml dose.
- Trial name
- NCT05716568
- Testing
- Contrast dose reduction, CT-angiography
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Cardiovascular Diseases, Blood Pressure Disorders
Effect of Korean Red Ginseng Extract on Blood Flow in Healthy Adults
The objectives of this clinical trial are to 1) determine the effect of the TP compared to placebo on blood flow and platelet aggregation, 2) to determine the effect of the TP on cardiovascular health compared to a placebo and 3)…
- Conditions
- Cardiovascular Diseases, Blood Pressure Disorders, Vasodilation, Platelet Aggregation
- Trial name
- NCT06236243
- Testing
- Korean Red Ginseng Extract Powder 120 mg/tablet, Korean Red Ginseng Extract Powder 500 mg/tablet
- Where
- United States
- Volunteers
- 108 people, healthy volunteers welcome
- Sponsor
- Korea Ginseng Corporation