Clinical trials: Blood Circulation
Cognitive Function, Mood
Effects of Epigallocatechin Gallate (EGCG) in Healthy, Young Adults
Epigallocatechin gallate (EGCG) is the most abundant catechin (sometimes referred to as tea flavonoids) in green tea extract. A review by Nagle et al (2006) identifies that a large amount of research indicates EGCG (amongst other…
- Trial name
- NCT00981292
- Testing
- EGCG
- Where
- United Kingdom
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Northumbria University
Sexual Dysfunction, Stress Incontinence
A Study to Measure the Degree and Effectiveness of the Various vSculpt Operating Modes
A pilot study to determine the degree and effectiveness of the various modes of vSculpt, an over-the-counter "OTC" medical device, on enhanced genital blood flow and improvement in quality of life in menopausal women who suffer…
- Trial name
- NCT02856490
- Testing
- vSculpt, InTone
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Joylux, Inc.
Hypertension
Effects of Nebivolol on Skeletal Muscle During Exercise in Hypertensive Patients
The purpose of this study is to determine if Nebivolol improves microvascular perfusion in skeletal muscle during exercise in hypertensive patients and whether this improvement is accompanied by reduction in vascular oxidative…
- Trial name
- NCT01501929
- Testing
- Metoprolol succinate, Nebivolol, Non-invasive measurement of Cardiac Output (CO)
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Sickle Cell Disease, Sickle Cell Anemia
Microvascular Blood Flow in Sickle Cell Anemia
Sickle cell disease (SCD) is an inherited blood disorder that causes the red blood cells to change their shape from a round shape to a half-moon/crescent or sickled shape.
- Trial name
- NCT01566890
- Testing
- regadenoson infusion with contrast-enhanced ultrasound, contrast-enhanced ultrasound
- Where
- 2 sites in United States
- Volunteers
- 91 people, healthy volunteers welcome
- Sponsor
- Versiti Blood Health
Smoking
Airway and Pulmonary Vascular Endothelial Function in Healthy Smokers: Effect of Inhaled Glucocorticosteroid Treatment
The purposes of the present proposal are to 1) compare inhaled albuterol-induced changes in airway blood flow (Qaw), and in CO and Ppas in healthy current smokers and lifetime non-smokers as an index of endothelial function in…
- Trial name
- smoker3 (NCT02141633)
- Testing
- echocardiogram plus albuterol, airway blood flow plus albuterol, Fluticasone propionate
- Where
- United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- University of Miami
CSF Circulation
Influence of Yogic Breathwork on CSF Circulation
The purpose of this research study is to determine the influence of yoga breathing practices on cerebrospinal fluid (CSF) circulation, and to find out primarily if a regular practice of 8-week yoga breathing would enhance CSF…
- Trial name
- CSF (NCT03858309)
- Testing
- Breathing Group 1, Breathing Group 2
- Where
- United States
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Oregon Health and Science University
Aging
Role of Flavanols In Cardiovascular Function in Healthy Aging
Groups of naturally occurring compounds called flavonoids are found in foods such as fruits and vegetables, red wine, tea, dark chocolate and cocoa products.
- Trial name
- NCT01395277
- Testing
- High Flavanol first then Low Flavanol, Low Flavanol first then High Flavanol
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Texas at Austin
Cerebral Blood Flow, Brain Function
Effects of Acetate and Alcohol on Brain Function
This study plans to learn more about how alcohol and its metabolite, acetate, affect the brain.
- Trial name
- NCT02542150
- Testing
- acetate, alcohol
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Cerebrovascular Disorders
Brain Blood Flow Responses to Stress: Sex Differences
Twenty-six otherwise healthy adults between 18-40 years of age composed of 13 males and 13 females will be enrolled in this study to determine how sex and sex hormones influence cerebral blood flow (CBF) control in healthy young…
- Trial name
- NCT06253702
- Testing
- Indomethacin, Orilissa, Testosterone gel
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Tobacco Abuse Smoke
Effect of an Inhaled Glucocorticosteroid (ICS) on Endothelial Dysfunction in Cigarette Smokers
The hypothesis underlying the proposed study is that the blunted endothelium-dependent vasodilation seen in the airway of current smokers is also present in the brachial artery, and that the same inhaled corticosteroid (ICS)…
- Trial name
- NCT01216735
- Testing
- Fluticasone
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University of Miami
Healthy Subjects
Feasibility of Thioridazine as a Mobilizing Agent for CD34+ Hematopoietic Progenitor Cells
This study will investigate the possibility of using the drug thioridazine (also called Mellaril) to increase the number of certain types of cells moving from the bone marrow to the circulation in a group of healthy humans.
- Trial name
- NCT01765803
- Testing
- Mellaril
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- New Mexico Cancer Research Alliance
Type 1 Diabetes, Hypoglycemia Unawareness
Naltrexone and Hypoglycemia in Type 1 Diabetes
Low blood sugar is also called hypoglycemia. Usually, it is mild and can be treated quickly and easily by eating or drinking a small amount of a sugar-rich food.
- Trial name
- Naltrexone (NCT01053078)
- Testing
- Naltrexone
- Where
- United States
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- University of Minnesota
Spinal Cord Injury, Autonomic Dysreflexia
Treatment of Post-SCI Hypotension
While treatment strategies for OH have been identified for use in persons with acute SCI, the field of SCI medicine lacks a gold standard for treatment thresholds and well-defined outcome parameters.
- Conditions
- Spinal Cord Injury, Autonomic Dysreflexia, Orthostatic Hypotension, Baroreceptor Integrity
- Trial name
- NCT02919917
- Testing
- Midodrine Hydrochloride
- Where
- 2 sites in United States
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- James J. Peters Veterans Affairs Medical Center
Knee Osteoarthritis
Assessment of Efficacy of Low Intensity Resistance Training in Men at Risk for Symptomatic Knee Osteoarthritis
The purpose of this research study is to determine whether low intensity resistance training with concurrent application of a peripheral blood flow restriction device to the exercising limb will elicit increased quadriceps…
- Trial name
- PBFR3 (NCT01487525)
- Testing
- Double leg press with partial blood flow restriction, Double leg press without partial blood flow restriction
- Where
- United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- University of Iowa
Study Vasodilatory Effects of C21
Effect of C21 on Forearm Blood Flow
The purpose of this study is to assess the effect of C21 on forearm blood flow by use of strain-gauge venous occlusion plethysmography.
- Trial name
- NCT05277922
- Testing
- C21, Sodium Nitroprusside
- Where
- Sweden
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- Vicore Pharma AB
Endothelial Dysfunction
The Effects of Watermelon Juice Supplementation on Postprandial Vascular Endothelial Function
The purpose of this study is to test if watermelon juice supplementation improves vascular dysfunction experience during hyperglycemia.
- Trial name
- WMJ (NCT04092439)
- Testing
- Watermelon Juice
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Pennington Biomedical Research Center
ACL Tear
Effects of Blood Flow Restriction Rehabilitation After Anterior Cruciate Ligament Reconstruction
The study is a prospective randomized control trial consisting of subjects requiring ACL reconstruction with BTB autograft. Subjects were randomly divided into two groups following their inclusion in the study.
- Trial name
- NCT04484961
- Testing
- Blood flow restriction (BFR)
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- The Methodist Hospital Research Institute
Aging, Healthy Diet
The Effects of Added Sugar Intake on Brain Blood Flow and Hippocampal Function in Midlife Adults
This study will focus on improving brain health through dietary modification of added sugars in middle aged adults (50- 64 years old).
- Trial name
- NCT05211726
- Testing
- Low Added Sugar Diet, High Added Sugar Diet
- Where
- United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- University of Delaware
Peripheral Artery Disease
FlowMet-R Blood Flow Measurement for the Diagnosis of Peripheral Artery Disease and Critical Limb Ischemia
Non-randomized, multi-center, longitudinal study of healthy subjects and subjects with PAD who are scheduled for ABI, TBI, and either Duplex Ultrasound or Angiographic assessments in a vascular clinic.
- Trial name
- NCT04120610
- Testing
- FlowMet-R, ABI, TBI
- Where
- 5 sites in United States
- Volunteers
- 195 people, healthy volunteers welcome
- Sponsor
- Medtronic Endovascular
Cerebral Arterial Diseases
Human Cerebral Blood Flow Regulation
To determine cerebrovascular control mechanisms in humans and provide mechanistic knowledge to offer new sex-specific therapeutic options for cerebrovascular diseases.
- Trial name
- Gas Challenge (NCT04265053)
- Testing
- Indomethacin 25 MG/50 MG
- Where
- United States
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison