Clinical trials: Peripheral Circulation
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
Peripheral Arterial Hemodynamics, Lower Extremity Blood Flow
Doppler Ultrasound Evaluation of the Effects of Exercise Combined With Kinesiology Taping on Local Hemodynamic Parameters
This study aims to evaluate the effects of exercise combined with kinesiology taping on local hemodynamic parameters in healthy university students.
- Trial name
- Kinesio tape (NCT07858851)
- Testing
- Kinesiology Taping, Ankle Pumping Exercise
- Where
- Taiwan
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- China Medical University Hospital
Healthy, Peripheral Vascular Disease
The Effect of Heat on Blood and Oxygen Flow Readings Part 2
This is the second part of a research study in order to determine if using a specialized pulse oximetry probe with external heat pack will help obtain oxygen saturation (SaO2) and heart rate (HR) during monitoring for patients…
- Conditions
- Healthy, Peripheral Vascular Disease, Vasoconstriction
- Trial name
- NCT01992939
- Testing
- Specialized pulse oximetry probe with external heat pack, Standard of Care Pulse Oximetry Probe
- Where
- United States
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- VA Pittsburgh Healthcare System
Skeletal Muscle Endurance
Resistance Exercise Blood Flow Restriction
The number of repetitions able to be performed during resistance exercise is impacted by the load an individual is working against.
- Trial name
- BFRCL (NCT06724458)
- Testing
- Resistance exercise
- Where
- Canada
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Exposure to Man-made Visible Light
Peripheral Blood Flow Responses to Electromagnetic Energy
This study evaluates 670 nm energy in the form of red light to stimulate blood flow changes in healthy adults. All participants will receive red light to their leg.
- Trial name
- NCT02370199
- Testing
- 670 nm light, octafluropropane
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Poor Peripheral Perfusion
Magnetic Resonance Imaging (MRI) to Assess Radial Artery Compression and Arterial Perfusion While TR Band is Applied
Subjects' radial artery diameters and plethysmography waveforms will be recorded by MRI and pulse oxymetry at varying levels of radial artery compression by the Terumo TR Band.
- Trial name
- NCT02478671
- Testing
- TR Band
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- Terumo Medical Corporation
Heart Disease, Vasodilation
Interaction of Apelin and Angiotensin in the Human Forearm Circulation
The apelin-APJ system is a relatively new discovery. It has generated interest in part due to it's apparent ability to counteract the renin-angiotensin system, which is frequently overactive in many cardiovascular disease.
- Trial name
- NCT00901745
- Testing
- Angiotensin II, Noradrenaline infusion
- Where
- United Kingdom
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Edinburgh
Age Problem
Relationship Between Respiratory Muscle Strenght, Peripheral Muscle Blood Flow and Gait Speed in the Elderly
The pourpose of this study is to verify if have relationship between respiratory muscle strenght, peripheral muscle blood flow and gait speed in the elderly.
- Trial name
- NCT04559659
- Testing
- Respiratory muscle strength
- Where
- Brazil
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Hospital Israelita Albert Einstein
Down Syndrome
Blood Flow Regulation in Individuals With Down Syndrome - Training Study
Work capacity is an important predictor of declining health or physical function, and of mortality, and is commonly measured as peak oxygen consumption.
- Trial name
- NCT04854122
- Testing
- Combined exercise intervention
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Nevada, Las Vegas
Peripheral Perfusion
Assessment of Peripheral Perfusion in the Critically Ill Patient
The purpose of this study is to evaluate PPI as a surrogate for clinical signs of peripheral perfusion in patients in septic shock and after cardiac surgery.
- Trial name
- CRTPPI (NCT02771002)
- Testing
- Peripheral Perfusion index by Carescape Patientenmonitor
- Where
- Switzerland
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
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
Stroke, Vascular Diseases
Passive Limb Movement Study
Stroke survivors have compromised vascular function which may contribute to secondary stroke risk, cardiovascular disease, and may limit their exercise tolerance.
- Conditions
- Stroke, Vascular Diseases, Ischemic
- Trial name
- PLM (NCT05935670)
- Testing
- Ischemic Conditioning
- Where
- United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Medical College of Wisconsin
Chemotherapy-induced Peripheral Neuropathy
The Role of TRP Channels in CIPN
Part I: Evaluating the increase in dermal blood flow upon topical application of cinnamaldehyde and capsaicin on the fingers in healthy, male volunteers.
- Trial name
- NCT04415892
- Testing
- Cinnamaldehyde and capsaicin
- Where
- Belgium
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
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
Ageing, Muscle Fatigue Caused by Repetitive Muscle Exercise
The Effects of Age on Muscle Endurance During Resistance Exercise With and Without Blood Flow Restriction
The purpose of this study is to learn how aging affects muscle endurance during resistance exercise, and how oxygen delivery to the muscles plays a role in these changes.
- Trial name
- NCT07090603
- Testing
- Knee extension exercise
- Where
- Canada
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Sedentary Behavior, Peripheral Circulation
Buerger-Allen Exercises and Peripheral Circulation in Sedentary Office Workers
This study aims to evaluate the acute effects of Buerger-Allen exercises on lower extremity circulation in sedentary office workers.
- Conditions
- Sedentary Behavior, Peripheral Circulation, Vascular Function
- Trial name
- BAE-CIRC (NCT07588893)
- Testing
- Buerger-Allen Exercise Program
- Where
- Turkey (Türkiye)
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Istanbul Gelisim University
Raynaud Disease, Scleroderma, Systemic
Laser Speckle Contrast Imaging for Cutaneous Microvascular Dysfunction Detection in Systemic Sclerosis.
The aim of the study is to determine if postocclusive hyperemia of palmar and dorsal face of the hand with Laser speckle contrast imaging discriminate between patients with systemic sclerosis, subjects with primary Raynaud's…
- Trial name
- SPECIES (NCT01743612)
- Testing
- laser speckle contrast imaging, Cooling
- Where
- 2 sites in France
- Volunteers
- 101 people, healthy volunteers welcome
- Sponsor
- University Hospital, Grenoble
Chronic Heart Failure
Peripheral Metabolic Function in Chronic Heart Failure Patients
Exercise intolerance is a major limiting symptom in patients with CHF. However the poor correlation between the hemodynamic parameters of left ventricular performance at rest and exercise performance has led to the concept that…
- Trial name
- NCT02732990
- Testing
- Exercise training
- Where
- Denmark
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Anders Rasmussen Rinnov
Cardiovascular Disease
Evaluation of Patients With Heart Disease Not Eligible for Research Protocols
An important mission of the National Institutes of Health (NIH) is to develop and carry out research studies designed to improve understanding of disease processes and treatments.
- Trial name
- NCT00001458
- Where
- United States
- Volunteers
- 7,829 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Diabetes Mellitus, Type 1, Diabetic Retinopathy
Choroidal Blood Flow Changes During Dark/Light Transitions in Patients With Insulin-dependent Diabetes Mellitus (IDDM)
There is evidence from a variety of animal studies that choroidal blood flow is under neural control. Recent results in humans indicate that a light/dark transition is associated with a short lasting reduction in choroidal blood…
- Trial name
- NCT00718614
- Testing
- Light will be switched from 0.5µW/cm2/sr to 115µW/cm2/sr.
- Where
- Austria
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna