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
Neuroplastic Change in Myelin of the Brain
The main goal of this research is to advance understanding of how stroke changes both the structure and function of the brain. The investigators will determine which is the key driver of recovery of arm function after stroke…
- Trial name
- Myelin (NCT01937910)
- Testing
- TRAIT Task
- Where
- Canada
- Volunteers
- 88 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Endothelial Function, Hyperglycemia
Hyperglycemia, Exercise, and Endothelial Function
The main purpose of this study is to determine if exercise preserves vascular function during hyperglycemia. All subjects will consume a sugary beverage three times daily for seven days.
- Trial name
- NCT03651713
- Testing
- GLU+EX, GLU
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University of Iowa
Ischemic Optic Neuropathy, Branch Retinal Artery Occlusion
New Non-invasive Modalities for Assessing Retinal Structure and Function
This study investigates a new technology to assess the structure and function inside the eye. Retinal imaging of subjects with inner and outer retinal defects to detect areas of abnormal structure and function compared to other…
- Conditions
- Ischemic Optic Neuropathy, Branch Retinal Artery Occlusion, Hemianopia, Leber Hereditary Optic Neuropathy
- Trial name
- NCT03475173
- Testing
- LSFG-NAVI
- Where
- United States
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Randy Kardon
Stroke
A Longitudinal Study of Function and Participation in Patients With Stroke
A longitudinal study of function and participation in patients with stroke: An integrated brain imaging and biomechanical analysis
- Trial name
- NCT02377453
- Where
- Taiwan
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Chang Gung Memorial Hospital
Type 2 Diabetes, Coronary Heart Disease
Myocardial Dysfunction in Type 2 Diabetes Mellitus (T2DM)
The purpose of this study is to examine the existence of heart abnormalities in patients with diabetes and the effect of pioglitazone in correcting these abnormalities.
- Trial name
- NCT01588470
- Testing
- pioglitazone
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- The University of Texas Health Science Center at San Antonio
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
Brain Insulin Sensitivity, Brain Vascular Function
Effects of Ketone Monoesters on Brain Function
Disturbances in brain insulin-sensitivity are not only observed in obesity and type 2 diabetes (T2D), but also during brain aging and in dementia.
- Conditions
- Brain Insulin Sensitivity, Brain Vascular Function, Cerebral Blood Flow, Cognitive Performance
- Trial name
- NCT06395051
- Testing
- Ketone Monoester
- Where
- Netherlands
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Healthy Volunteers
Effects of Consumption of Orange Juice on Vascular Protection and Immune Function: Clinical Study on the Specific Contribution of Citrus Flavanones
Epidemiological studies have firmly established the health effects of high intakes of fruits and vegetables and in particular in regards to the prevention of cardiovascular diseases.
- Trial name
- FLORIDE (NCT00983086)
- Testing
- Flavanones of orange juice
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University Hospital, Clermont-Ferrand
Heart Failure With Normal Ejection Fraction
Abnormal Vascular, Metabolic, and Neural Function During Exercise in Heart Failure With Preserved Ejection Fraction
Heart failure with preserved ejection fraction (HFpEF) accounts for approximately half of the heart failure population in the United States.
- Trial name
- NCT03465072
- Testing
- Exercise training
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Aphasia
Based on the Spatio-temporal Coding Characteristics of Frontotemporal Network, This Paper Explores the Mechanism of Five-tone Speech Training in Reshaping Language Fluency Function.
To explore the mechanism of five-tone speech training in reshaping language fluency function and the clinical efficacy of aphasia language function, daily communication ability and communication efficiency based on the temporal…
- Trial name
- NCT07329751
- Testing
- Traditional Chinese Medicine Five-Tone Therapy, Melodic Intonation Training, Standard speech therapy; Routine medical treatment; Health education
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Fujian University of Traditional Chinese Medicine
Aging, Arterial Stiffness
Inorganic Nitrate Supplementation on Cerebrovascular Aging and Arterial Stiffness Study
This study investigates the effect of dietary inorganic nitrate supplementation on 1) large elastic artery stiffness and hemodynamics and 2) cerebrovascular function in middle-aged and older adults.
- Conditions
- Aging, Arterial Stiffness, Endothelial Dysfunction, Hypertension
- Trial name
- INCA (NCT03617302)
- Testing
- Experimental: Nitrate-containing
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Gary L. Pierce, PhD
Motor Neuropathy
Stroke Recovery Research Based on EEG-fMRI
This study is aimed to investigate the post-stroke motor recovery of patients with ischemic stroke based on their neural features extracted from EEG-fMRI data.
- Trial name
- EEG-fMRI (NCT05427422)
- Testing
- MRI recording, EEG recording
- Where
- China
- Volunteers
- 147 people, healthy volunteers welcome
- Sponsor
- Xi'an Jiaotong University
Cardiovascular Diseases
Effect of Commute Traffic on Vascular Function
The investigators will assess the vascular effects of riding in a car in heavily trafficked roadways, and whether filtering the car's air reduces those effects.
- Trial name
- NCT05454930
- Testing
- Filtered Air
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of Washington
Stroke, Peripheral Neuropathy
Arm Motor Control on Bi and Uni ADLs
This study is being performed to assess how certain chronic disabilities - stroke, upper extremity (UE) amputation, spinal cord injuries (SCI), cerebral palsy (CP) - differ from healthy subjects in their ability to perform ADLs.
- Conditions
- Stroke, Peripheral Neuropathy, Spinal Cord Injuries, Cerebral Palsy
- Trial name
- BiAs (NCT02778529)
- Testing
- Bilateral assessment robots (BiAS)
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- University of Pennsylvania
Ischaemic Heart Diseases
The Effect of Ischaemic-Reperfusion in Man - A Bradykinin Dependent Pathway
Heart attacks are usually caused by a blood clot blocking an artery supplying blood to the heart. Current treatments are designed to relieve this blockage as quickly as possible to minimize damage to the heart muscle.
- Trial name
- NCT00965120
- Testing
- Forearm vascular study, bradykinin receptor antagonist (HOE-140)
- Where
- United Kingdom
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Edinburgh
Preeclampsia, Hypertension
Cardiac and Immune Cell Function in Preeclampsia
Preeclampsia is a multi-system vascular disease which affects 2-5% of pregnancies. It is also a risk factor for the development of cardiovascular disease later in life and a number of functional and structural cardiac changes…
- Conditions
- Preeclampsia, Hypertension, Pregnancy Induced Hypertension, Pregnancy Related
- Trial name
- NCT04508582
- Testing
- Cardiovascular magnetic resonance, Echocardiography, Blood test
- Where
- United Kingdom
- Volunteers
- 86 people, healthy volunteers welcome
- Sponsor
- Queen Mary University of London
Healthy Men, Raised Fasting Plasma Triacylglycerol Concentrations
Palmitic Acid in the Sn-2 Position of Triacylglycerols and Postprandial Lipemia
The purpose of this study is to determine whether high-fat meals rich in palmitic acid in the sn-2 position decrease lipaemia in men aged 40-70 y with higher than optimal fasting triacylglycerol concentrations.
- Trial name
- NCT01710280
- Testing
- High-fat meal containing native palm olein, High-fat meal containing interesterified palm olein
- Where
- United Kingdom
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- King's College London
Stroke, Stroke, Ischemic
Ischemic Conditioning Improves Walking Function Post Stroke
This innovative study will address scientific and clinical areas relatively unexplored in chronic stroke that could lead to greater recovery of walking.
- Conditions
- Stroke, Stroke, Ischemic, Stroke Hemorrhagic, Stroke, Cardiovascular
- Trial name
- NCT04038697
- Testing
- Ischemic Conditioning, Treadmill Training
- Where
- 2 sites in United States
- Volunteers
- 132 people, healthy volunteers welcome
- Sponsor
- Medical College of Wisconsin
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