Clinical trials: Peripheral Blood Flow
Smoking
Endothelial Function and Autonomic Regulation After Short-term Smoking Cessation: Varenicline Versus Placebo
The purpose of this study is to evaluate endothelial function and autonomic regulation (for example, heart rate and blood pressure) in smokers before and after short-term smoking cessation.
- Trial name
- NCT00673595
- Testing
- Varenicline
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
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
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.
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
Chronic Fatigue Syndrome
Use of Sildenafil (Viagra) to Alter Fatigue, Functional Status and Impaired Cerebral Blood Flow in Patients With CFS
Use of Viagra to Alter Symptoms in Patients with Chronic Fatigue Syndrome (CFS)
- Trial name
- NCT00598585
- Testing
- Sildenafil (Viagra)
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Charles Drew University of Medicine and Science
Orthostatic Hypotension, Spinal Cord Injuries
A Study of Blood Pressure and Blood Supply to the Brain in Persons With a Spinal Cord Injury.
The purpose of this study is to determine how blood pressure and blood flow are controlled during head-up tilt in a semi-upright position.
- Trial name
- NCT00248807
- Testing
- 1.25 mg enalaprilat IV, Head up tilt (HUT)
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
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
Postural Tachycardia Syndrome (POTS)
Effect of Dietary Sodium Intake on Vascular Endothelium
The investigators will test the hypothesis that markers of vascular endothelial dysfunction will be exaggerated acutely with an extreme high sodium diet compared to an extreme low-sodium diet.
- Trial name
- NCT01550315
- Testing
- Pulsitile Arterial Tonometry (PAT) Protocol, Calf Blood Flow in Reactive Hyperemia (CBF-RH), Evaluation of Forearm-Mediated Dilation
- Where
- United States
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
Type 2 Diabetes Mellitus
Enhancement of Cerebral Vasoreactivity and Cognition by Intranasal Insulin in Type 2 Diabetes
Our goal is to determine the acute effects of intranasal insulin on regional perfusion and cognition of older adults. We propose a pilot study to examine the effect of a single dose of intranasal insulin on regional…
- Trial name
- NCT01206322
- Testing
- Intranasal insulin
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Beth Israel Deaconess Medical Center
Obstructive Sleep Apnea Syndrome
Cerebral Blood Flow and Childhood Obstructive Sleep Apnea
Obstructive sleep apnea syndrome (OSAS) causes hypoxemia and hypercapnia, which may impair cerebral blood flow and cause deficits in behavior.
- Trial name
- NCT02995837
- Testing
- Sleep Study, Neurocognitive Testing, CBF During Wakefulness
- Where
- United States
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- Children's Hospital of Philadelphia
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
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
Atherosclerosis
Inflammation and Vascular Function in Atherosclerosis
The purpose of this study is to determine whether reducing inflammation in blood vessels with an aspirin-like drug called salsalate will improve blood vessel function.
- Trial name
- NCT00760019
- Testing
- salsalate
- Where
- United States
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
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
Chronic Pain, Soft Tissue Injuries
Radiofrequency Hyperthermia Safety Study
This study will include 20 healthy subjects with intact skin on their lower legs that meet inclusion criteria. Participants will serve as their own control, by heating one leg and not the other.
- Conditions
- Chronic Pain, Soft Tissue Injuries, Wound Heal, Blood Flow
- Trial name
- NCT05399771
- Testing
- Laser Doppler, Radiofrequency Heating System, Thermal Imaging
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Wake Forest University Health Sciences
Female Sexual Dysfunction, Spinal Cord Injuries
Effect of Peripheral Neuromodulation on Vaginal Blood Flow
The researchers want to see if nerve stimulation interventions cause a change in vaginal blood flow. This intervention was performed in women who have neurogenic (spinal cord injury) or non-neurogenic sexual dysfunction and…
- Trial name
- NCT04384172
- Testing
- Transcutaneous electrical nerve stimulation - Tibial Nerve, Transcutaneous electrical nerve stimulation - Genital Nerve
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- University of Michigan
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
Restless Legs Syndrome, Neuropathic Pain
Spinal Cord Stimulation for Restless Legs Syndrome
The overall goal of this proposed study is to evaluate the underlying mechanisms of neural control of blood flow in the lower extremities in humans with restless leg syndrome (RLS).
- Trial name
- NCT03539081
- Testing
- Dual-energy X-ray absorptiometry Scan, Laboratory Measurements, Blood Flow Measurement
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Marshall Holland
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
Heart Failure, Diastolic, Diastolic Heart Failure
Myocardial Perfusion, Oxidative Metabolism, and Fibrosis in HFpEF
Unlike heart failure with reduced ejection fraction (HFrEF) where several medicines and devices have been demonstrated to reduce mortality, no such therapies have been identified in HFpEF.
- Conditions
- Heart Failure, Diastolic, Diastolic Heart Failure, Hypertension
- Trial name
- HFpEF-PRoF (NCT02589977)
- Testing
- regadenoson
- Where
- United States
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Marvin W. Kronenberg, M.D.