Clinical trials: Aneurysms
Abdominal Aortic Aneurysm, Coronary Artery Disease
White Blood Cell Counts and Onset of Cardiovascular Diseases: a CALIBER Study
The complete blood count is a commonly performed blood test, and previous small studies have suggested that the counts of some types of white blood cell in the complete blood count may be related to the onset of cardiovascular…
- Conditions
- Abdominal Aortic Aneurysm, Coronary Artery Disease, Stroke, Heart Failure
- Trial name
- CALIBER (NCT02014610)
- Volunteers
- 800,000 people, healthy volunteers welcome
- Sponsor
- University College, London
Vascular Surgery
POWER: PrehabilitatiOn Workshop and Mentored Exercise Programme in Patients Having Elective Aortic Aneurysm Repair
Protocol Short Title: POWER Study - PrehabilitatiOn Workshop and mentored Exercise programme in patients having elective aortic aneurysm Repair Population: Patients scheduled for elective repair of aortic aneurysm at St.
- Trial name
- POWER (NCT04169217)
- Testing
- Prehabilitation
- Where
- United Kingdom
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Guy's and St Thomas' NHS Foundation Trust
Aortic Aneurysm, Thoracic, Aneurysm, Dissecting
A Registry Study on Genetics and Biomarkers of Thoracic Aortic Aneurysm/Dissection
This is a national registry study to determine genetic risk factor and serial biomarkers of thoracic aortic aneurysm/dissection
- Trial name
- ARSGBTAAD (NCT03010514)
- Where
- China
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- Beijing Institute of Heart, Lung and Blood Vessel Diseases
Intracranial Aneurysm
Prevalence of Intracranial Aneurysm in Hong Kong Chinese
Intracranial aneurysm (localized dilatation in weakened blood vessel wall) rupture is a catastrophic disease, with half of the victims died and many of the survivors disabled.
- Trial name
- NCT01078506
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Chinese University of Hong Kong
Headache, Aneurysm
Headache After Coil Embolization for Unruptured Intracranial Aneurysms
Perform a prospective cohort study to compare the incidence and severity of headache between non-stent assisted coiling and stent assisted coiling of unruptured intracranial aneurysms.
- Conditions
- Headache, Aneurysm, Endovascular Procedures
- Trial name
- NCT03359252
- Testing
- non-stent assisted coiling, stent assisted coiling
- Where
- South Korea
- Volunteers
- 190 people, healthy volunteers welcome
- Sponsor
- Seoul National University Hospital
Delirium, AAA
Abdominal Aortic Aneurysm Patients Remain at Risk for Delirium on the Surgical Ward After Intensive Care Unit Dismissal
The incidence of delirium following open abdominal aortic aneurysm (AAA) surgery is significant, with incidence rates ranging from 12 to 33%.
- Conditions
- Delirium, AAA, Intensive Care Unit Delirium, Surgery--Complications
- Trial name
- NCT04080557
- Testing
- Surgery
- Where
- Netherlands
- Volunteers
- 135 people, healthy volunteers welcome
- Sponsor
- Amphia Hospital
Colon Ischemia, Aortic Aneurysm
Prevention of Colon Ischemia During Aortic Aneurysm (AAA) Repair
Patients undergoing surgery on their Aorta can get ischemia, a lack of blood flow, to their intestines and colon. This is very serious, as 2 out of 3 patients who have this problem die before leaving the hospital.
- Trial name
- NCT00671203
- Testing
- Reestablish colon blood flow
- Where
- 2 sites in United States
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Spectros Corporation
Heart Diseases, Cardiovascular Diseases
Risk Factors in the Initial Presentation of Specific Cardiovascular Disease Syndromes
Cardiovascular disease (CVD) is an important public health problem that affects millions of people worldwide. Associations between risk factors, such as smoking, dyslipidaemia or hypertension, and prevalent CVD are well…
- Conditions
- Heart Diseases, Cardiovascular Diseases, Acute Myocardial Infarction, Unstable Angina
- Trial name
- NCT01804439
- Volunteers
- 2,240,000 people, healthy volunteers welcome
- Sponsor
- University College, London
Intracranial Aneurysm, Surgical Clip
Rapid Ventricular Pacing in Surgical Treatment of Intracranial Aneurysms
Treatment of complex unruptured intracranial aneurysms (UIA) remains challenging to date. Therefore, advanced techniques are required to achieve an optimal result in treating these patients safely.
- Trial name
- NCT02766972
- Testing
- Rapid Ventricular Pacing
- Where
- Germany
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University Clinic Frankfurt
Adverse Childhood Experiences, Vascular Dilatation
The Iowa ACEs and Sleep Cohort and Manipulating Sleep in Young Adults With ACEs Studies
The overall purpose of this study is to understand the role of disrupted sleep in the association of exposure to early life adversity (adverse childhood experiences (ACEs)) with vascular endothelial (dys)function.
- Conditions
- Adverse Childhood Experiences, Vascular Dilatation, Sleep, Sleep Disturbance
- Trial name
- NCT06454344
- Testing
- Cognitive Behavioral Therapy for Insomnia (CBT-i)
- Where
- 2 sites in United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Endovascular Abdominal Aortic Aneurysm Repair
Contrast Ultrasound in the Surveillance of Endovascular Abdominal Aortic Aneurysm Repair
The purpose of this study is to support the suspected expectation that Contrast enhanced Ultrasound (CUS) detects all endoleaks that have been detected by Computed Tomography (CT), and also find a number of leaks missed by CT.
- Trial name
- NCT01022892
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Ottawa Hospital Research Institute
Aging, Fragility
Ischemic Conditioning to Promote Microvascular Resiliency in Frail Individuals
The goal of this clinical trial is to see how small blood vessels respond to the stress of high intensity exercise, and if a safe and simple intervention called ischemic conditioning can protect blood vessels from the stress of…
- Conditions
- Aging, Fragility, Endothelial Dysfunction
- Trial name
- NCT05808686
- Testing
- Ischemic Conditioning
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Medical College of Wisconsin
Aortic Aneurysm
Preventing Myocardial Ischemia by Preconditioning in Elective Operation for Abdominal Aortic Aneurysm
Primary To investigate whether peripheral predonditioning induced by brief, intermittent constriction of blood supply to an arm can reduce the incidence of perioperative myocardial ischemia in patients operated electively for…
- Trial name
- NCT01523262
- Testing
- preconditioning
- Where
- 2 sites in Denmark
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Aarhus University Hospital
MMPs and NGAL in Ruptured and Non-ruptured Aneurysms
Matrix Metalloproteinases (MMPs),Neutrophil Gelatinase-associated Lipocalin (NGAL) Tissue and Plasma Levels and Aneurysms
An association between arterial aneurysms and matrix metalloproteinases (MMPs) has been described previously. MMPs regulate extracellular structural proteins and tissue remodeling.
- Trial name
- NCT02145533
- Where
- Italy
- Volunteers
- 307 people, healthy volunteers welcome
- Sponsor
- University of Catanzaro
Vasodilation, Vasoconstriction
Sex Differences in Sympathetic Vascular Reactivity at High Altitude
This study aims to investigate sex differences in blood pressure control associated with exposure to acute hypoxia (low oxygen), and short term acclimatization to hypoxia at high altitude.
- Trial name
- NCT05525416
- Testing
- Sodium Nitroprusside, Phenylephrine Hydrochloride, Norepinephrine
- Where
- 2 sites in Canada
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- University of Alberta
Sleep
Stable Sleep Pattern Before Sleep Loss
Sleep is now recognized as important for disease prevention. Too little or too much sleep contributes to cardiovascular disease. Leading health organizations recommend adults sleep 7-9 hours per night for optimal health.
- Trial name
- NCT06201390
- Testing
- Sleep consistency
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Texas Tech University
Sleep Apnea, Healthy
Reflex Responses to Intermittent Hypoxia in Humans: Mechanisms and Consequences
The overall goal of this project is to better understand the effect of intermittent hypoxia (IH) on sympathetic neuronal discharge patterns in humans, as well as mechanisms that mediate persistent sympathoexcitation with IH.
- Conditions
- Sleep Apnea, Healthy, Vasoconstriction, Vasodilation
- Trial name
- NCT05146089
- Testing
- Hypoxic exposure, modified Oxford test, Oral Bosentan 62.5 mg
- Where
- 2 sites in United States
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- University of Missouri-Columbia
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
Coronary Artery Ectasia
Ischemia and Inflammatory Markers Among Patients With Coronary Artery Ectasia
study the ischemic burden in patients with CAE, and its relation to inflammatory markers. To assess the ischemic response during exercise ECG among patients with different variants of CAE.
- Trial name
- NCT05692115
- Testing
- stress ECG
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Assiut University
Ascendant Aortic Aneurysm
Low-dose Gated CT Validity for the Evaluation of Ascendant Aortic Aneurysm.
We will demonstrate the validity of measurements with a low-dose, EKG-gated CT without contrast in the ascending aorta evaluation, compared with the current Angio-CT measurements.
- Trial name
- NCT03113539
- Testing
- Modified Low-dose, EKG-gated CT without contrast for the evaluation of aortic aneurysm
- Where
- Canada
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- Université de Sherbrooke