Clinical trials: Peripheral Circulation
Sinus Infection Chronic
Propofol Versus Sevoflurane During FESS
Good surgical conditions are crucial for an optimal surgery result and safe procedure. Minimal blood loss in the surgical field is one of the most important conditions to maintain a good visualization, especially in surgeries…
- Trial name
- NCT04619160
- Testing
- Propofol, Sevoflurane
- Where
- Belgium
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Algemeen Ziekenhuis Maria Middelares
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
Peripheral Perfusion, Postoperative Pain
Effects Magnesium Sulfate and Labetalol Infusion on Peripheral Perfusion and Pain in Nasal Surgeries
One of main risk of controlled hypotension during nasal surgeries is impaired perfusion. Peripheral perfusion of non-vital organs usually impaired earlier than vital organs.
- Trial name
- NCT04688203
- Testing
- Magnesium Sulfate Injection, Labetalol Injectable Solution
- Where
- Egypt
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Zagazig University
Chest Wall Blocks
Serratus Anterior Plan Block (SAP) and Pectoralis (PECSI-II) Blocks on Left Internal Mammarian Artery (LIMA) Blood Flow
To investigate whether the anterior chest wall blocks performed before the surgery have an effect on the LIMA (left internal mammarian artery) blood flow in patients who will undergo coronary artery bypass surgery.
- Trial name
- NCT05907798
- Testing
- LIMA Blood flow
- Where
- Turkey (Türkiye)
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Yuzuncu Yil University
Cold Exposure
The Effects of Cold Adaptation on Skin Blood Flow, Hand Function, and Comfort in Healthy Adults
In cold weather environments, blood flow to the extremities is significantly reduced, which severely impairs hand function and induces thermal discomfort.
- Trial name
- NCT05464758
- Testing
- Repeated cold exposure
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- United States Army Research Institute of Environmental Medicine
Blood Flow Restriction (BFR) Training Effects
Quantification of Progenitor Cell Circulation Following Vascular Resistance Exercise Using Delfi Tourniquet System
The purpose of this observational study is to examine how slowing down blood flow to the legs- a practice called blood flow restriction (BFR)- during exercise by applying compression to the legs affects the way stem cells are…
- Trial name
- NCT07213726
- Testing
- Delfi Personalized Tourniquet System
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Andrews Research & Education Foundation
Peripheral Perfusion
DiCART TM Device for Capillary Refill Time Measurement
To estimate peripheral perfusion in shock state, international guidelines recommend the use of capillary refill time, and practitioners currently evaluates it at bedside.
- Trial name
- DICART-VS (NCT04538612)
- Testing
- measure capillary refill time
- Where
- France
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Hospices Civils de Lyon
Poor Peripheral Perfusion
Perfusion Index Variability in Respiratory Distress Syndrome
Perfusion index may vary according to type of surfactant during the treatment of respiratory distress syndrome.
- Trial name
- NCT01852461
- Testing
- Beractant, Poractant alfa
- Volunteers
- 92 people, healthy volunteers welcome
- Sponsor
- Dr. Sami Ulus Children's Hospital
Carpal Tunnel Syndrome, Median Nerve Injury
Sonographic Measurement of Intraneural Blood Flow in the Median Nerve
Carpal tunnel syndrome (CTS) is the most common nerve compression disease and the most expensive upper-extremity work-related musculoskeletal disorder, affecting approximately 10 million people in the US.
- Trial name
- NCT05057754
- Testing
- Cooling, Heating, Exercising
- Where
- 2 sites in United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Southern California
Vascular Stiffness, Cognitive Change
Blueberry Study Aimed at Improving Cognition and Peripheral Blood Flow
Blueberries are rich in the content of a variety of biologically active chemicals that contribute to their health properties. The consumption of blueberries has beneficial effects on vascular function and brain health and…
- Conditions
- Vascular Stiffness, Cognitive Change, Blood Pressure
- Trial name
- NCT04015258
- Testing
- Blueberries, Blueberry powder, Blueberry components capsules
- Where
- United Kingdom
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Northumbria University
Vascular Dementia, Subcortical Vascular Dementia
Effect of Zydena (Udenafil) on Cerebral Blood Flow and Peripheral Blood Viscosity
The purpose of this study is to determine whether Zydena (Udenafil) has effect on cerebral blood flow and peripheral blood viscosity in normal and subcortical vascular cognitive impairment subjects.
- Trial name
- SMCZN01 (NCT01466543)
- Testing
- Zydena (Udenafil)
- Where
- South Korea
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Samsung Medical Center
Peripheral Arterial Disease
Effect of Single-versus Double-limb Cycling Exercise on Blood Flow in Patients With Peripheral Artery Disease
This study will be conducted to investigate the effect of single limb cycling exercise and the effect of double limb cycling exercise on blood flow in patients with peripheral artery disease and compare between both effects.
- Trial name
- NCT06518590
- Testing
- Cycle
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Cairo University
Atherosclerosis, Heart Failure, Congestive
The Role of Angiotensin Type I Receptor in the Regulation of Human Peripheral Vascular Function
The renin angiotensin system (RAS) plays an important physiological and pathophysiological role in the control of blood pressure and plasma volume.
- Conditions
- Atherosclerosis, Heart Failure, Congestive, Hypertension, Myocardial Infarction
- Trial name
- NCT00001628
- Testing
- Angiotensin II type 1 receptor antagonists
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Down Syndrome
Blood Flow in Individuals With Down Syndrome
This study focuses on physiological explanations of difficulties with physical activity and exercise in individuals with Down syndrome, by non-invasively examining cardiac output and the regulation of blood flow to working…
- Trial name
- NCT03590665
- Testing
- Hand grip exercise and lower body negative pressure
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University of Illinois Chicago
Diabetes Mellitus, Type 2, Intermittent Claudication
Exercise Training for Patients With Poor Leg Circulation
The purposes of this pilot project are to (a) determine changes in calf muscle blood flow and energy supply resulting from calf muscle exercise, and (b) to determine changes in these variables resulting from exercise training…
- Trial name
- NCT00118560
- Testing
- Physical exercise, Physical walking
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- US Department of Veterans Affairs
Drop Foot
The Investigators Are Comparing Lidocaine and Papaverine Nerve Blocks to Determine Which Improves Blood Flow Better, Making the "Phoenix Sign" Clearer on Imaging. This Helps Accurately Diagnose Nerve Compression, Improving Patient Care
This pilot study aims to investigate the effects of nerve blocks in patients with diabetic peripheral neuropathy through a double-blinded, randomized trial involving 4 patients.
- Trial name
- NCT06919289
- Testing
- Infiltration of papaverine, Lidocaine infiltration
- Where
- United States
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- US Neuropathy Centers
Citrulline, Blood Flow
Effect of L-Citrulline on Vascular Function
The objective of this project is to determine the importance of peripheral vascular function on gait performance in older adults.
- Conditions
- Citrulline, Blood Flow, Aging
- Trial name
- NCT03127917
- Testing
- L-citrulline
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Texas Tech University
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
- NCT00901888
- Testing
- Apelin infusion, Sodium nitroprusside infusion
- Where
- United Kingdom
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Edinburgh
Female Sexual Dysfunction, Female Sexual Dysfunction Due to Physical Condition
Effect of Peripheral Neuromodulation on Vaginal Blood Flow - Study 2
The overall purpose of this research is to improve sexual function in women with sexual dysfunction. The goal of this study is to see if either of two nerve stimulation interventions cause a short-term change in vaginal blood…
- Trial name
- NCT06999265
- Testing
- Transcutaneous electrical nerve stimulation - Tibial Nerve, Transcutaneous electrical nerve stimulation - Genital Nerve, Neutral and Erotic Film Clip Alternation
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- University of Michigan
Compartment Syndrome
Study of New Catheter & Pressure Monitor System to Help Prevent Compartment Syndrome From Developing in the Injured Leg
An investigation of a new catheter and pressure monitor system that may help to prevent a complication called compartment syndrome from developing in an injured leg.
- Trial name
- TS2 (NCT00681616)
- Testing
- Compartment Monitoring System (CMS), Compartment Monitoring System with Active Fluid Removal, Compartment Monitoring System without fluid removal
- Where
- 13 sites in United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Twin Star Medical, Inc.