Clinical trials: Vascular Function
Chuvash Polycythemia, Cerebrovascular Disease
Pulmonary Hypertension, Hypoxia and Sickle Cell Disease
The study will look at the risk factors for pulmonary hypertension (high blood pressure in the lungs) in children and adolescents with sickle cell anemia (SCA) and examine the role of hypoxia (oxygen shortage) in the disease.
- Conditions
- Chuvash Polycythemia, Cerebrovascular Disease, Pulmonary Hypertension, Sickle Cell Anemia
- Trial name
- NCT00495638
- Where
- 7 sites in United States, Russia
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Stroke
Peripheral Stimulation Neural Response
Few patients recover full hand dexterity after an acquired brain injury such as stroke. Repetitive somatosensory electrical stimulation (SES) is a promising method to promote recovery of hand function.
- Trial name
- NCT03176550
- Testing
- Transcutaneous electrical nerve stimulation
- Volunteers
- 8 people
- Sponsor
- University of California, San Francisco
Hypoxic Brain Damage, Hypoxic Ischaemic Encephalopathy (HIE)
Intranasal AAV9-PHP.eB Gene Therapy in Cerebral Palsy (CP) & Hypoxic Ischemic Encephalopathy (HIE)
This international study, organized by Healing Hope International, is an observational registry designed to collect real-world data on participants living with chronic hypoxic ischemic encephalopathy (HIE) who receive an emerging…
- Conditions
- Hypoxic Brain Damage, Hypoxic Ischaemic Encephalopathy (HIE), Hypoxic Ischaemic Encephalopathy Due to Cardiac Arrest, Hypoxic Ischemic Encephalopathy of Newborn
- Trial name
- GEN-HOPE (NCT07264166)
- Where
- Mexico
- Volunteers
- 25 people
- Sponsor
- Healing Hope International
Polycystic Ovary Syndrome (PCOS)
Blood Vessel Function in Adolescents and Women With Polycystic Ovary Syndrome
The purpose of this study is to determine if changes in blood vessel health lead to the menstrual irregularities that women with PCOS experience.
- Trial name
- NCT01615562
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Virginia Commonwealth University
Hypoxic-Ischemic Encephalopathy, Neonatal Encephalopathy
Healthy Little Eyes
The purpose of this research study is to gather more information on how eye injury is related to a baby's future development and see if eye function and brain test results can be used, along with current measures, to better…
- Conditions
- Hypoxic-Ischemic Encephalopathy, Neonatal Encephalopathy, Encephalopathy
- Trial name
- NCT05971446
- Testing
- Visual Evoked Potential (VEP), Electroretinogram (ERG)
- Where
- United States
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Idiopathic Pulmonary Arterial Hypertension, Heritable Pulmonary Arterial Hypertension
Risk and Resilience in Pulmonary Arterial Hypertension and Genetically Susceptible Individuals
Pulmonary arterial hypertension (PAH) is a severe disease with a delayed diagnosis and markedly elevated mortality. High-risk populations, such as those with known genetic defects, provide a unique opportunity to determine the…
- Conditions
- Idiopathic Pulmonary Arterial Hypertension, Heritable Pulmonary Arterial Hypertension, Unaffected Mutation Carriers: Healthy Participants With a Known BMPR2 Gene Mutation and Normal Pulmonary Pressure and RV Function on Echo, Healthy Individuals With no Cardiopulmonary Disease
- Trial name
- RARE-PAH (NCT05584722)
- Where
- United States
- Volunteers
- 150 people
- Sponsor
- Vanderbilt University Medical Center
ST-segment Elevation Myocardial Infarction (STEMI)
Angio-IMR and Cardiac MR-derived MVO in STEMI Patients
Coronary microcirculatory dysfunction has been known to be prevalent even after successful revascularization of ST-segment elevation myocardial infarction (STEMI) patients.
- Trial name
- NCT04828681
- Testing
- Cardiac magnetic resonance imaging
- Where
- 2 sites in United States, China
- Volunteers
- 324 people
- Sponsor
- Samsung Medical Center
Moyamoya Disease
Functional Disorders Moya Moya Young Patients
Moya Moya disease is a rare condition of the vessels that supply blood to the brain. It normally occurs without apparent cause. In both children and adults, the disease is mainly manifested by strokes.
- Trial name
- TFMoya : ADAR (NCT05772572)
- Testing
- Questionnaires
- Where
- France
- Volunteers
- 21 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Sickle Cell Disease
Arterial Function Parameters and Transcranial Doppler Velocity in Paediatric Patients With Sickle Cell Disease
Structural and functional changes in arteries are increasingly being recognized as significant features of sickle cell disease. This study aims to determine whether there are differences in arterial function parameters between…
- Trial name
- AFAT (NCT05748717)
- Where
- Jamaica
- Volunteers
- 34 people
- Sponsor
- The University of The West Indies
Spinal Cord Injury, Stroke
Control of Unsupported Paraplegic Standing
The study will investigate the feasibility of using functional electrical stimulation (FES) of the calf muscles of paraplegic subjects to assist in posture stabilisation during standing.
- Trial name
- NCT00204113
- Testing
- Multi-purpose rehabilitation frame, Surface Functional Electrical Stimulation
- Where
- 2 sites in United Kingdom
- Volunteers
- 10 people
- Sponsor
- University of Glasgow
Fabry Disease
A Study of Migalastat in Fabry Disease
Fabry disease is a rare metabolic condition characterised by the widespread deposition of sphingolipids in multiple organ systems.
- Trial name
- GALAFAB (NCT03949920)
- Testing
- Migalastat
- Where
- 2 sites in United Kingdom
- Volunteers
- 21 people
- Sponsor
- Manchester University NHS Foundation Trust
Cerebrovascular Accident
Ischemic Nerve Block to Improve Hand Function in Stroke Patients
This study will determine whether impaired hand function due to stroke can be improved by blocking nerve impulses to the unaffected arm.
- Trial name
- NCT00056706
- Testing
- Transient deafferentation
- Where
- United States
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Hypotension, Fontan Physiology
The Hemodynamic Effects of Vasopressin in Patients With Fontan Physiology
The goal of this study is to evaluate if vasopressin can elevate systemic arterial blood pressures without having a significant effect on pulmonary arterial pressures.
- Trial name
- NCT04463394
- Testing
- Vasopressin
- Where
- 2 sites in United States
- Volunteers
- 28 people
- Sponsor
- Stanford University
Cardiovascular Diseases, Coronary Disease
Hostility and Coronary Risk--Role of Weak Vagal Function
To determine whether deficient vagal antagonism of sympathetic nervous system (SNS) actions on the heart contributed to increased coronary heart disease risk in hostile persons.
- Conditions
- Cardiovascular Diseases, Coronary Disease, Heart Diseases, Myocardial Ischemia
- Trial name
- NCT00005337
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Coronary Artery Spasm, Hypertension
The Prevalence of Coronary Spasm in Hypertensive Patients Treated With Antihypertensive Medication
Autonomic nerve function is involved in both blood pressure (BP) regulation and the pathogenesis of coronary artery spasm(CAS), but few studies have been published about the relationship between CAS and effect of BP lowering…
- Trial name
- NCT01882790
- Where
- 3 sites in South Korea
- Volunteers
- 1,933 people
- Sponsor
- Korea University
Insulin Resistance, Glucose Intolerance
Endothelial Function in Obese Adolescents
Childhood obesity is perhaps the most significant public health problem in the most developed countries and is rapidly becoming so in developing countries.
- Conditions
- Insulin Resistance, Glucose Intolerance, Obesity, Atherosclerosis
- Trial name
- NCT01879033
- Testing
- Reactive hyperemia peripheral artery tonometry (Rh-PAT), Blood levels for glucose, insulin, lipids and adipocytokines
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Montefiore Medical Center
Cardiovascular Diseases, Heart Diseases
Vascular Function in the Framingham Third Generation
To investigate the role of endothelial dysfunction and increased vascular stiffness as contributors to the pathogenesis of cardiovascular disease.
- Trial name
- NCT00035737
- Sponsor
- Boston University
Hypoxia Ischemia, Cerebral, Hypoxia-Ischemia, Brain
Functional Imaging of Baby Brains
Infants are at risk of developing motor and cognitive neurodevelopmental disabilities as a sequelae to hypoxic-ischemic brain injury during the perinatal period.
- Conditions
- Hypoxia Ischemia, Cerebral, Hypoxia-Ischemia, Brain, Hypoxia Neonatal, Hypoxic-Ischemic Encephalopathy
- Trial name
- FIBB (NCT05514665)
- Testing
- Diffuse Optical Tomography
- Where
- Canada
- Volunteers
- 25 people
- Sponsor
- Hamilton Health Sciences Corporation
Pulmonary Hypertension
Endothelial Function in Patients With Scleroderma or Cirrhosis With and Without Pulmonary Hypertension
Pulmonary arterial hypertension (PAH) is a condition characterized by an increased pulmonary vascular resistance that can lead to right heart failure and death.
- Trial name
- NCT01729611
- Where
- United States
- Volunteers
- 119 people
- Sponsor
- The Cleveland Clinic
COVID-19 Pandemic, Dyspnea; Cardiac
Covid-19 Infection and Long-term Cardiovascular Symptoms
From the registry of professor Kojuri clinic , those with Covid-19 infection were selected and was contacted and asked about the cardiovascular symptoms, 1 year after the covid infection
- Conditions
- COVID-19 Pandemic, Dyspnea; Cardiac, Chest Syndrome, Functional Cardiac Disorder
- Trial name
- NCT05715879
- Testing
- covid infection, admission to hispital
- Where
- Iran
- Volunteers
- 879 people
- Sponsor
- Shiraz University of Medical Sciences