Clinical trials: Microvascular Function
Hypertension (Without Type 2 Diabetes Mellitus), High Blood Pressure
Wild Blueberries for Gut, Brain, and Heart Health in Adults With High Blood Pressure
The purpose of the study is to determine the effectiveness of wild blueberries on cardiovascular health, cognitive function, and gut microbiota composition in non-Hispanic Black and White adults with elevated blood pressure.
- Conditions
- Hypertension (Without Type 2 Diabetes Mellitus), High Blood Pressure, Male, Female
- Trial name
- NCT06735599
- Testing
- Wild Blueberry
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- Georgia State University
Prediabetes (Insulin Resistance, Impaired Glucose Tolerance), Female
Wild Blueberries for Gut, Brain, and Cardiometabolic Health in Prediabetes
The goal of this clinical trial is to determine the effectiveness of using a freeze-dried wild blueberry powder on cardiometabolic health, cognitive function, and gut microbiota composition in adult women with prediabetes.
- Conditions
- Prediabetes (Insulin Resistance, Impaired Glucose Tolerance), Female, Adult, Endothelial Function (Reactive Hyperemia)
- Trial name
- NCT06735651
- Testing
- Wild Blueberry
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Georgia State University
Prediabetes, Prediabetes (Insulin Resistance, Impaired Glucose Tolerance)
Peanuts for Cardiometabolic, Brain, and Intestinal Health
The overall objective of this 14-month randomized crossover study is to seek evidence demonstrating that daily consumption of peanuts and peanut products improve cardiometabolic, cognitive, and intestinal health in a racially…
- Conditions
- Prediabetes, Prediabetes (Insulin Resistance, Impaired Glucose Tolerance), Cognition, Microvascular Function
- Trial name
- NCT06867198
- Testing
- Peanuts
- Where
- United States
- Volunteers
- 72 people
- Sponsor
- Georgia State University
Menopause, Perimenopause
Hormone thERapy Effects on BRAin-HEART Health During the Menopausal Transition
The goal of this clinical trial is to learn whether it is feasible to conduct a larger study comparing transdermal menopausal hormone therapy (MHT) versus no hormone therapy in menopausal women with vasomotor symptoms (hot…
- Conditions
- Menopause, Perimenopause, Vasomotor Symptoms, Cardiovascular Disease Risk Factor
- Trial name
- HERBRAVEHEART (NCT07732452)
- Testing
- Transdermal estradiol, Standard of care - non hormonal
- Volunteers
- 100 people
- Sponsor
- McGill University Health Centre/Research Institute of the McGill University Health Centre
End Stage Chronic Renal Failure, Renal Transplant
Microvasculature Ultrasound Super-resolution in Transplant Delayed Graft Function
This pilot study is testing a new ultrasound imaging method called Super-Resolution Ultrasound (SRU) to look at blood flow and tiny blood vessels in transplanted kidneys in very detailed images after kidney transplant surgery.
- Conditions
- End Stage Chronic Renal Failure, Renal Transplant, Microvascular Changes, Microvascular Circulation
- Trial name
- MUST-D (NCT07645599)
- Testing
- Ultrasound contrast agent (Contrast-enhanced ultrasound), Optison (Perflutren Protein-Type A Microspheres Injectable Suspension), Lumason® contrast agent
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- Roderick Tan
Type 2 Diabetes, Microvascular Function
The Effect of Pyridoxamine Supplementation on Microvascular Function in Type 2 Diabetes
Patients with type 2 diabetes have an increased risk of developing vascular complications. Microvascular dysfunction might be caused by the increased production of methylglyoxal under hyperglycaemic conditions.
- Conditions
- Type 2 Diabetes, Microvascular Function, Retinopathy, Diabetic, Nephropathy, Diabetic
- Trial name
- PYRAMID (NCT06376240)
- Testing
- Pyridoxamine 300mg per day
- Where
- Netherlands
- Volunteers
- 40 people
- Sponsor
- Maastricht University Medical Center
Arterial Hypertension, Resistant Hypertension
Effect of Nitrate Supplementation on Blood Pressure and Microvascular Function of Resistant Hypertensive Patients
Arterial hypertension (AH) has been identified as an important public health problem and considered a new epidemic with high mortality and morbidity.
- Conditions
- Arterial Hypertension, Resistant Hypertension, Microvascular Function, Nitrate Supplementation
- Trial name
- NCT06169241
- Testing
- Beetroot extract
- Where
- Brazil
- Volunteers
- 50 people
- Sponsor
- National Institute of Cardiology, Laranjeiras, Brazil
Preeclampsia, Microvascular Function
Prenatal Aspirin and Postpartum Vascular Function
Preeclampsia is a pregnancy disorder affecting ~5-10% of pregnancies in the United States. Women who develop preeclampsia during pregnancy are more likely to develop and die of cardiovascular disease later in life, even if they…
- Trial name
- NCT05653973
- Testing
- Acetylcholine, Endothelin-1
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Anna Stanhewicz, PhD
1- Microvascular Function, 2-oxidative Stress
Acute and Short-term Chronic Effects of Galvus (Vildagliptin) in Diabetes Type 2 Obese Women
The prevalence of obesity and type 2 diabetes mellitus (T2DM) has increased progressively in the past decades, and consequently, a higher incidence of cardiovascular diseases is observed.
- Conditions
- 1- Microvascular Function, 2-oxidative Stress, 3-inflammation
- Trial name
- NCT01827280
- Testing
- Vildagliptin
- Where
- Brazil
- Volunteers
- 40 people
- Sponsor
- Rio de Janeiro State University
Microvascular Function
Methodological Issues and Laser Speckle Contrast Imaging
Microcirculation, especially skin microcirculation, is a window towards systemic vascular function in magnitude and underlying mechanisms. Different techniques have been developed to assess the microcirculation.
- Trial name
- METHODO-LSCI (NCT01664572)
- Where
- France
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- University Hospital, Angers
Microvascular Function
Cephalic Phase Insulin Secretion and Capillary Recruitment in Healthy Men
Forty healthy volunteers will undergo two nailfold-videocapillaroscopy exams with a 10-minute interval between them, after an 10-h overnight fast in a temperature controlled room.
- Trial name
- NCT01145027
- Testing
- Breakfast tray
- Where
- Brazil
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- Rio de Janeiro State University