Clinical trials: Vascular Aneurysm
Cardiovascular Disease
The Role of Nitric Oxide Synthase in Circulating Progenitor Cell Function
Our main hypothesis is that EPC function is impaired in some populations with high cardiovascular risk as a result of reduced eNOS-dependent NO production.
- Trial name
- NCT00627068
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Cardiovascular Diseases, Vasodilation
The Nitrite and Coronary Flow Study
This study is a pharmacodynamic proof of concept study investigating the physiological effects of systemic infusion of nitrite on coronary blood flow using MRI.
- Conditions
- Cardiovascular Diseases, Vasodilation, Hypoxia
- Trial name
- NCT04354051
- Testing
- Sodium Nitrite
- Where
- United Kingdom
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- University of East Anglia
Abdominal Aortic Aneurysm
Relation betwEen Abdominal Aorta and Carotid Artery Responses to SymPathetic stimulatiON uSing duplEx Ultrasound
Abdominal aortic aneurysm (AAA) is a common vascular disease and associated with risk of rupture, but also with a high cardiovascular (CV) event rate. A key difficulty in AAA is predicting these life-threatening complications.
- Trial name
- RESPONSE (NCT04035252)
- Testing
- Carotid artery reactivity test (CAR-test)
- Where
- 2 sites in Netherlands
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Rijnstate Hospital
Aortic Aneurysm, Abdominal
Adherence and Acceptability of a Remote, Home-based, Pre-surgery Programme for Patients Undergoing Abdominal Aortic Aneurysm Surgery
Design A multi-centre pilot study investigating the acceptability and adherence of a prehabilitation on patients requiring abdominal aortic aneurysm repair. Setting 3 NHS Hospital Vascular Surgery Clinics in the UK.
- Trial name
- NCT04792411
- Testing
- Prehabilitation
- Where
- United Kingdom
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Imperial College Healthcare NHS Trust
Aortic Dissection, Aortic Arch
Repair Versus Non-repair of the Aortic Arch in Type A Aortic Dissection
Acute Stanford type A aortic dissection (TAAD) is a life-threatening clinical status requiring surgery that is usually performed as a salvage procedure.We planned a multicenter study to evaluate the balance between the patient's…
- Conditions
- Aortic Dissection, Aortic Arch, Aortic Dissection Rupture, Aortic Dilatation
- Trial name
- AoArch (NCT05912634)
- Testing
- Conservative TAAD-R, Extensive TAAD- R
- Where
- France
- Volunteers
- 900 people, healthy volunteers welcome
- Sponsor
- Centre Cardiologique du Nord
Abdominal Aortic Aneurysm, Endovascular Procedures
Standardization of Physician-Modified Stent Grafts for Abdominal Aortic Aneurysms
This study explores the use of physician-modified stent grafts (PMSGs) for treating abdominal aortic aneurysms that are unsuitable for open surgery or standard endovascular grafts.
- Conditions
- Abdominal Aortic Aneurysm, Endovascular Procedures, Stents, Vascular Surgical Procedures
- Trial name
- RESTORE (NCT06585215)
- Where
- Switzerland
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Ente Ospedaliero Cantonale, Bellinzona
Heart Failure, Cardiomyopathies
Multimodal Physiologic State Intelligence Study
The OMNIPHYS study will investigate whether multimodal ultrasound and other routinely collected clinical and physiologic data can be combined with artificial intelligence to characterize changes in a person's physiologic state…
- Conditions
- Heart Failure, Cardiomyopathies, Pulmonary Hypertension, Myocarditis; Acute or Subacute
- Trial name
- OMNIPHYS (NCT07814118)
- Testing
- OMNIPHYS Multimodal Ultrasound Imaging System
- Where
- United States
- Volunteers
- 25,000 people, healthy volunteers welcome
- Sponsor
- Truway Health, Inc.
Aortic Aneurysm
Dynamic CT Imaging After Nellix Endoprosthesis Implantation
The Nellix Endovascular Sealing Prosthesis (EVAS) endoprosthesis is a new device aimed at prophylactic treatment of abdominal aortic aneurysms. In regular follow up conventional CT-imaging is used for surveillance.
- Trial name
- NCT02438605
- Testing
- Nellix
- Where
- Netherlands
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Rijnstate Hospital
Aortic Aneurysm, Athlete
Prevalence of Ascending Aortic Dilation in Sports Medicine
This study aims to assess the prevalence of ascending aortic dilation in athletes from the general population undergoing routine sports medicine evaluation.
- Trial name
- PRAADS (NCT07050953)
- Testing
- focused cardiac ultrasound
- Where
- France
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- University Hospital, Caen
Abdominal Aortic Aneurysm, Aortic Disease
Surviving Aneurysm Surgery: A Pilot Study on Exercise Training in Abdominal Aortic Aneurysm Patients
An abdominal aortic aneurysm (AAA) is an enlargement or ballooning of the main artery supplying high pressure blood from the heart to the body.
- Conditions
- Abdominal Aortic Aneurysm, Aortic Disease, Vascular Disease, Cardiovascular Disease
- Trial name
- SAS (NCT01805973)
- Testing
- Exercise Training
- Where
- United Kingdom
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Manchester University NHS Foundation Trust
Appendicitis, Evidence of Cholecystectomy
Point of Care 3D Ultrasound for Various Applications: A Pilot Study
Summary 1. Purpose and Objective: The purpose of this study is to test the feasibility of rapid acquisition of point of care 3D ultrasound in obtaining abdominal and/or pelvic images.
- Conditions
- Appendicitis, Evidence of Cholecystectomy, Gallstones, Pregnancy, Ectopic
- Trial name
- NCT02831556
- Where
- United States
- Volunteers
- 174 people, healthy volunteers welcome
- Sponsor
- Duke University
Screening, Aortic Aneurysm and Dissection
A Study to Evaluate the Feasibility of Screening Relatives of Patients Affected by Non-Syndromic Thoracic Aortic Diseases
The primary hypothesis is that a tailored programme of genetic and imaging screening of first- and second-degree relatives of patients affected by non-syndromic forms of thoracic aortic diseases will identify individuals at risk…
- Conditions
- Screening, Aortic Aneurysm and Dissection, Genetic Disease
- Trial name
- ReST (NCT03861741)
- Testing
- WES, MRI, TTE
- Where
- United Kingdom
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- University of Leicester
Aortic Aneurysm
Validation of a Software and the Follow-up of Anteropoterior Migration of Stent
The treatment of aortic aneurysms is today based on different indicators (diameters, lengths, angles, volumes of the arteries) measured on CT scan images. Several indicators are time consuming and complicatated to measure.
- Trial name
- ASMOT (NCT05287828)
- Testing
- Surgeons CT scan analysis, PRAEVAorta CT scan analysis
- Where
- France
- Volunteers
- 65 people, healthy volunteers welcome
- Sponsor
- Nurea
Spinal Cord Ischemia
Prophylactic vs Therapeutic Cerebrospinal Fluid Drain Placement During Endovascular Thoracoabdominal Aortic Aneurysm Repair
This is a pilot study to be performed at the University of Alabama at Birmingham (UAB) and the University of Massachusetts to determine the feasibility and develop the processes for a future randomized controlled trial to…
- Trial name
- NCT04941157
- Testing
- Cerebrospinal Fluid Drain Placement
- Where
- 2 sites in United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Alcohol Drinking, Binge Drinking
Reducing Blood Pressure in Mid-life Adult Binge Drinkers
This study has two phases: Phase 1 is to examine blood pressure, microvascular function, and sympathetic nerve activity in mid-life adult binge drinkers vs. alcohol abstainers/moderate drinkers.
- Conditions
- Alcohol Drinking, Binge Drinking, Blood Pressure, Alcohol Abstinence
- Trial name
- NCT05522075
- Testing
- Exercise Training, Alcohol Abstinence Intervention
- Where
- United States
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- The University of Texas at Arlington
Healthy
Effects of Miconazole on Blood Flow
This study will investigate the effect of the drug miconazole on blood vessel dilation. Miconazole stops production of EDHF, a substance that causes arteries to dilate. EDHF is produced by the cells that line blood vessels.
- Trial name
- NCT00004575
- Testing
- Miconazole, L-NMMA, Bradykinin
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Radial Artery
Radial Artery Vasodilation Heat Study
The purpose of this study is to collect data about the efficacy of utilizing distal topical heat application for dilatation of the radial artery.
- Trial name
- NCT03620383
- Testing
- Topical Heat
- Where
- United States
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Oregon Health and Science University
Cardiovascular Diseases, Vasodilation
Effects of n-3 Polyunsaturated Fatty Acids and Antioxidants on Postprandial Hyperlipidemia and Vascular Function in Men
Diet has long been used as a way to provide enough nutrients to an individual in order to meet metabolic requirements. However, recent scientific advancements have suggested that beyond meeting nutrition needs, diet may also be…
- Trial name
- NCT00296595
- Testing
- Nutrition
- Where
- Canada
- Volunteers
- 99 people, healthy volunteers welcome
- Sponsor
- Laval University
AAA - Abdominal Aortic Aneurysm
Automatic Abdominal Aortic Aneurysm Diameter Measurement
Managing abdominal aortic aneurysms currently relies on diameter assessment with ultrasound. Diameter reproducibility with two-dimensional ultrasound is challenging, and requires experienced operators.
- Trial name
- NCT05983016
- Testing
- Philips EPIQ-7, Philips Healthcare, Bothell, WA, USA
- Where
- Denmark
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Natasha Monzon Svendsen