Clinical trials: Peripheral Blood Flow
Muscular Dystrophy
The Study of Skeletal Muscle Blood Flow in Becker Muscular Dystrophy
This pilot study tests the hypothesis that the medication nitric oxide extract from beetroot juice improves blood flow to the skeletal muscle during exercise.
- Trial name
- NCT02653833
- Testing
- Tadalafil 20 MG, beetroot juice extract
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Cedars-Sinai Medical Center
Ocular Physiology, Retina
Is There a Difference in Flicker Induced Vasodilatation Between Smokers and Non-Smokers?
Habitual smoking is associated with an increased risk of coronary artery disease, cerebral and peripheral vascular disease, including ocular diseases like age-related macular degeneration or diabetic retinopathy.
- Conditions
- Ocular Physiology, Retina, Blood Flow Velocity
- Trial name
- NCT00431730
- Testing
- flicker light stimulation
- Where
- Austria
- Volunteers
- healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Baro-reflex Sensitivity, Heart Rate Variability
Low Intensity Exercise in Different Normobaric/Hypobaric Normoxic/Hypoxic Conditions.
The main goal of this project is to investigate how low intensity cycling exercise (1.5W/kg, for 6 minutes) influences cerebral functions, such as: Cerebral blood flow, oxygenation, and other physiological variables in different…
- Conditions
- Baro-reflex Sensitivity, Heart Rate Variability, EEG, Microstates, Cerebral Blood Flow Regulation
- Trial name
- Hypoxia (NCT03439202)
- Testing
- Hypoxia
- Where
- Switzerland
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Fliegerärztliches Institut
Hypertension, Blood Pressure
Evaluation and Standardization of Ginseng and it's Components for Blood Pressure Regulation
Ginseng has been used for many years in a wide array of anecdotal medicinal properties. Animal and limited clinical research points to the vascular effects of Korean Red Ginseng (KRG).
- Conditions
- Hypertension, Blood Pressure, Endothelial Function
- Trial name
- ESGC (NCT00728221)
- Testing
- Korean Red Ginseng, Korean Red Ginseng (Panax ginseng), Cornstarch
- Where
- Canada
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- Unity Health Toronto
Gender Dysphoria
Brain Health in Transgender Adults
The purpose of this study is to test whether and how a person's brain changes in the first few months after starting gender affirming hormone therapy (GAHT).
- Trial name
- NCT07624747
- Testing
- Magnetic Resonance Imaging, Cognition and Health Tests, Optional Exercise Test
- Where
- United States
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Adverse Effect, Cerebral Perfusion
Investigation Of The Effects Of Unilateral And Bilateral Spinal Anesthesia On Cerebral Blood Flow
Spinal anesthesia is a widely used method in anesthesia practice. Unilateral spinal block refers to a neuroaxial technique that induces motor and sensory blockade on the surgical side.
- Trial name
- NCT06871449
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Nuh Naci Yazgan University
Diabetes Mellitus, Healthy
Vascular Effects of Endothelium-Derived Versus Hemoglobin-Transported Nitric Oxide in Healthy Subjects
Nitric oxide (NO) is a soluble gas, continuously synthesized by the endothelium, that contributes importantly to vasodilator tone of the coronary and systemic circulations by activating guanylyl cyclase in vascular smooth muscle…
- Conditions
- Diabetes Mellitus, Healthy, Hypercholesterolemia, Hypertension
- Trial name
- NCT00001963
- Testing
- hemoglobin-transported nitric oxide
- Where
- United States
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Ocular Physiology, Regional Blood Flow
Effects of Vitamin C on Hyperoxia-Induced Reduction of Retinal Blood Flow
High arterial blood oxygen tension leads to vasoconstriction of retinal vessels, possibly related to an interaction between reactive oxygen species and endothelium-derived vasoactive factors.
- Trial name
- NCT00712907
- Testing
- vitamin C (Mayrhofer) 24mg/min i.v. for 64 min, 100% O2 (AGA) two times for 12 min
- Where
- Austria
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Anastomotic Leak
Quantification of Anastomostic Blood Flow With Fluorescence Imaging in Low Anterior Resection for Rectal Cancer
A serious and life-threatening complication to rectal surgery is anastomotic leakage, AL. In Denmark, approximately 800 patients every year, are operated for rectal cancer, 50% of these with resection and anastomosis.
- Trial name
- FILAR (NCT05627934)
- Testing
- qICG
- Where
- Denmark
- Volunteers
- 168 people, healthy volunteers welcome
- Sponsor
- Odense University Hospital
Exercise Training, Blood Flow Restriction Training
Blood Flow Rextriction Training in Upper Extremity of Elderly
Our study aims to decrease independence by increasing upper extremity strength and performance by applying blood flow restrictive training, which has entered the literature as a new method, to the upper extremity in the elderly.
- Conditions
- Exercise Training, Blood Flow Restriction Training, Geriatrics
- Trial name
- NCT05803733
- Testing
- Blood flow restriction (BFR) with low load resistance training, Routine strength training
- Where
- Turkey (Türkiye)
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Istanbul Medipol University Hospital
Peripheral Perfusion
Modified Allen's Test and Peripheral Perfusion Index
to detect the relation between results of the peripheral perfusion index and modified Allen's test.
- Trial name
- NCT04043481
- Where
- Egypt
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Assiut University
Fetal Growth Restriction
Fetal Distribution of Feto-placental Blood Flow Related to Placental Nutrient Transport and Maternal Food Intake
Aims The primary aim is to examine the relation between maternal nutrition, placental transport of nutritional substances, and fetal blood flow distribution in normal pregnancies and in pregnancies complicated by altered fetal…
- Trial name
- NCT04215107
- Testing
- Standard breakfast meal
- Where
- Norway
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Guttorm Haugen
Coffee, Pregnancy
Coffee Consumption and Pregnancy
Coffee, tea, and cocoa contain caffeine, a plant alkaloid. They are frequently consumed during pregnancy. We examined the effect of coffee consumption on fetal renal artery blood flow and amniotic fluid index (AFI) in the third…
- Trial name
- NCT03798275
- Testing
- coffee
- Where
- Turkey (Türkiye)
- Volunteers
- 128 people, healthy volunteers welcome
- Sponsor
- Kayseri Education and Research Hospital
Cardiovascular Diseases, Chronic Kidney Disease
Evaluating the Effect of Standard-of-care Erythropoiesis-stimulating Agents on Forearm Blood Flow in Nondialysis-dependent Subjects With Anaemia Associated With Chronic Kidney Disease.
In people diagnosed with chronic kidney disease (CKD) anaemia is a common problem and is often treated with EPO (Erythropoietin). One form of EPO used is Darbepoetin (Aranesp®).
- Trial name
- OPERA-CKD (NCT02987465)
- Testing
- Darbepoetin Alfa, Acetylcholine, Noradrenaline
- Where
- United Kingdom
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Cambridge University Hospitals NHS Foundation Trust
Mild Cognitive Impairment, Cerebral Blood Flow
A Study of Low-level Light Therapy Using Photo-activated Modulation Ameliorates Cognitive Deficits
The primary objective of this study is to confirm and compare the effect of methods of Low-level light therapy (LED-T) in the mild cognitive impairment.
- Conditions
- Mild Cognitive Impairment, Cerebral Blood Flow, Low-level Light Therapy, Brain Activity
- Trial name
- NCT03192670
- Testing
- Low-level light therapy device
- Where
- 2 sites in South Korea
- Volunteers
- 168 people, healthy volunteers welcome
- Sponsor
- Yong-il Shin, MD
Menopause
Sympathetic Vascular Transduction Across the Menopause Transition: Contributing Mechanisms
The investigators aim to assess the interactions between the sympathetic nervous system and the vasculature in women across the menopause transition to better understand why aging women have a higher risk of cardiovascular…
- Trial name
- NCT06787066
- Testing
- Propranolol Hydrochloride, Phentolamine Injection
- Where
- United States
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- University of Missouri-Columbia
Healthy
A Study of LY3526318 in Healthy Women
The main purpose of this study is to learn more about how LY3526318 affects blood flow to the skin in healthy women. For each participant, the study will last up to 28 days and Part B will last up to 78 days, including screening…
- Trial name
- NCT04183283
- Testing
- LY3526318
- Where
- Belgium
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Eli Lilly and Company
Healthy, Sickle Cell Disease
Study of Methodologies to Measure Blood Flow and Oxygenation in Adults With Sickle Cell Disease
The purpose of the study is to determine whether imaging techniques, such as magnetic resonance imaging (MRI), near infrared spectroscopy (NIRS), laser speckle contrast imaging (LSCI), and optical imaging (OI), can detect…
- Trial name
- NCT02447627
- Where
- United States
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Bioverativ Therapeutics Inc.
Blood Flow Restriction Training, Betaine Supplementation
Potential Synergistic Effect of Combined Blood Flow Restriction Training and Betaine Supplementation on Skeletal Muscle
The purpose of the study is to determine whether there is a synergistic effect via combining both low-load blood flow restriction (BFR) training and betaine supplementation loading (6g/day for 14 days) on skeletal muscle anabolic…
- Trial name
- NCT05790070
- Testing
- Betaine
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Baylor University
Cerebrovascular Circulation, Cognitive Impairment
Effects of Dietary Nitrate From Vegetable/Fruit Juice on Cerebral Blood Flow Parameters
Nitrate provides the body with an alternative source of Nitric Oxide which plays a large role in promoting blood flow and reducing blood pressure.
- Trial name
- NCT01169662
- Testing
- Vegetable/fruit juice
- Where
- United Kingdom
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Northumbria University