Clinical trials: Peripheral Blood Flow
Coronary Artery Disease
HeartFlowNXT - HeartFlow Analysis of Coronary Blood Flow Using Coronary CT Angiography
To determine the diagnostic performance of FFRCT by coronary computed tomographic angiography (cCTA), as compared to cCTA alone, for non-invasive determination of the presence of a hemodynamically significant coronary lesion…
- Trial name
- HFNXT (NCT01757678)
- Testing
- ICA (Invasive Coronary Angiography), FFR (Fractional Flow Reserve), cCTA (coronary computed tomography angiography)
- Where
- Denmark
- Volunteers
- 276 people
- Sponsor
- HeartFlow, Inc.
Hypoglycemia, Cerebral Blood Flow
External Carotid Blood Flow in Individuals With Post-Bariatric Hypoglycemia
This is a pilot study (small-scale study) that aims to understand more about how blood flow changes in people who have low blood sugar after bariatric surgery (post-bariatric hypoglycemia) compared to those who have had surgery…
- Trial name
- NCT07082478
- Testing
- in-ear device measuring blood flow
- Where
- United States
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- Joslin Diabetes Center
Healthy, Brain Insulin Sensitivity
Long-Term Effects of Walnut Consumption on Brain Function
Rationale: Healthy foods, including mixed nuts, may improve brain function, which is essential for cognitive and metabolic health, and may contribute to improved food intake regulation.
- Conditions
- Healthy, Brain Insulin Sensitivity, Cerebral Blood Flow, Brain Vascular Function
- Trial name
- WalBrain (NCT07422220)
- Testing
- Walnuts
- Where
- Netherlands
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Osteogenesis Imperfecta, Type I
An Interventional Study to Evaluate the Impact of Blood Flow Restriction Training on Muscle, Bone, and Quality of Life in Adults With Osteogenesis Imperfecta Type I
Background: Due to fear of injury and risk of fractures, many people with osteogenesis imperfecta (OI) avoid vigorous exercise that is likely to improve muscle and bone weakness common in this disorder.
- Trial name
- NCT07478224
- Testing
- Blood flow restriction training
- Where
- Belgium
- Volunteers
- 40 people
- Sponsor
- University Hospital, Ghent
Transcutaneous Monitoring, Microcirculation
Transcutaneous Monitoring of Oxygen and Carbon Dioxide in Surgical Patients
The study will investigate if non-invasive continuous transcutaneous blood gas monitoring can detect tissue perfusion and hypoxemia and the relation to other circulatory parameters such as pulse, blood pressure, cardiac output…
- Conditions
- Transcutaneous Monitoring, Microcirculation, Peripheral Perfusion, Tissue Metabolism
- Trial name
- NCT04040478
- Testing
- Transcutaneous monitoring
- Where
- Denmark
- Volunteers
- 30 people
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Focus is on Healthy Subjects
Validation of Pulse Wave Doppler Demodulation Algorithm for the Continuous, Non-invasive Measurement of Blood Flow Velocity
The investigators hypothesize that performance of fast-Fourier transformation on the raw Doppler signals obtained from ascending aortic blood flow will recreate the pulse wave Doppler trace visualized on modern echocardiography…
- Trial name
- NCT01750125
- Testing
- measure ascending aortic blood flow with pulse wave Doppler
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Virginia
Coronary Artery Disease
xSPECT-based Myocardial Perfusion Scintigraphy: Consistency of Functional Values and Feasibility of Myocardial Uptake Quantitation in Patients With Suspected Coronary Artery Disease
This study is to evaluate the feasibility of myocardial Standardized Uptake Volume (SUV) assessment by means of X- (Single photon emission tomography) SPECT/Computed tomography (CT), to assess normal reference value under rest…
- Trial name
- xSPECT MPI (NCT04583787)
- Testing
- 99mTc-sestamibi myocardial perfusion SPECT, 82Rb-Chloride myocardial perfusion PET with CCTA
- Where
- Switzerland
- Volunteers
- 52 people
- Sponsor
- University Hospital, Basel, Switzerland
Hypercholesterolemia, Hypertension
Effects of Rosiglitazone on Blood Vessels in Patients With High Blood Pressure and High Cholesterol
Cells in the lining of blood vessels produce various substances that cause the vessels to dilate (relax) and constrict (tighten), thereby regulating blood flow.
- Trial name
- NCT00006071
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Deep Vein Thrombosis, Pulmonary Embolism
Venous Blood Flow Velocity: Electrical Foot Stimulation Compared to Intermittent Pneumatic Compression of the Foot
Electrical stimulation of the foot can increase blood flow out of the leg. This increased blood flow can prevent blood clots from forming in the leg veins.
- Trial name
- NCT00114608
- Testing
- The Focus™ Neuromuscular Stimulation System
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University at Buffalo
Multiple Sclerosis, Relapse
Coagulation/Complement Activation and Cerebral Hypoperfusion in Relapsing-remitting Multiple Sclerosis
This is a multi-center, prospective, controlled study. MS patients (1° group: 30 patients in relapse; 2° group: 30 patients in remission) and age/sex-matched healthy controls (3° group: 30 subjects) will be enrolled in the study.
- Trial name
- NCT04380220
- Testing
- Blood samples and processing
- Where
- 3 sites in United States, Italy
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Regina Elena Cancer Institute
Tumor Blood Flow at Rest and During Exercise
Exercise and Tumor Blood Flow
This research aims at investigating tumor blood flow response to acute exercise in human cancer patients. It is hypothesized and expected that acute exercise increases tumor blood flow, which could plausibly increase the efficacy…
- Trial name
- EXETUMOR (NCT03987724)
- Testing
- Positron emission tomography (PET) imaging at rest and during supine bicycle exercise
- Where
- Finland
- Volunteers
- 8 people
- Sponsor
- Turku University Hospital
Cardiovascular Diseases, Hypertension
The Impact of KETO5 XOGenius Beverage on Markers of Physiological and Neurocognitive Health
The primary objectives of this application are to 1) investigate the effect of increased daily consumption of the Keto5 XOGenius beverage on outcomes associated with elevated risk for various neurocognitive and pathophysiological…
- Conditions
- Cardiovascular Diseases, Hypertension, Cognitive Decline, Diet
- Trial name
- NCT06318390
- Testing
- XO Genius
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- The University of Texas at Arlington
Type 2 Diabetes, Microvascular Coronary Artery Disease
Stress Cardiac Magnetic Resonance of Asymptomatic Type 2 Diabetics with Cardiovascular High Risk to Measure Empagliflozin Impact on Myocardial Blood Flow (CATCH-EM)
The study design is a double blinded randomised control trial study that aims to conduct a randomised controlled trial of empagliflozin and determine if empagliflozin will improve myocardial blood flow in asymptomatic high risk…
- Trial name
- CATCH-EM (NCT04541797)
- Testing
- Empagliflozin 10 MG, Stress Cardiac Magnetic Resonance
- Where
- Hong Kong
- Volunteers
- 160 people
- Sponsor
- The University of Hong Kong
Regional Blood Flow
Choroidal Blood Flow and Progression of Age-Related Macular Degeneration in the Fellow Eye in Patients With Unilateral Choroidal Neovascularisation
Age-related macular degeneration (AMD) is the chief cause of severe and irreversible loss of vision in developed countries. The prevalence of AMD increases dramatically with age.
- Trial name
- NCT00808197
- Testing
- ocular blood flow measurement
- Where
- Austria
- Volunteers
- 41 people
- Sponsor
- Medical University of Vienna
Total Hip Arthroplasty (THA)
Impact of Rehabilitation Therapy Using Strength and Blood Flow Restriction Training on Muscular Fitness and Regeneration After Elective Hip Replacement
In the present project, the framework conditions of outpatient rehabilitation at the Bonn Center for Outpatient Rehabilitation will now be used to prove whether sports science-controlled strength and BFR training has a similar…
- Trial name
- NCT07043127
- Testing
- BFR
- Where
- Germany
- Volunteers
- 30 people
- Sponsor
- University Hospital, Bonn
Diabetic Neuropathy
The Effect of Ruboxistaurin on Small Fiber Function
To determine the effect of Ruboxistaurin on small fiber function.
- Trial name
- NCT00190970
- Testing
- Ruboxistaurin
- Where
- United States
- Volunteers
- 52 people
- Sponsor
- Chromaderm, Inc.
Septic Shock
Capillary Refill Time Response to a Rapid Fluid Challenge in Septic Shock Patients
In septic shock patients, the hemodynamic coherence between systemic, regional and microcirculatory blood flow can be tracked by "capillary refill time (CRT) response to an increase in stroke volume induced by a rapid fluid…
- Trial name
- AUSTRALIS (NCT04693923)
- Testing
- Fluid challenge
- Where
- Chile
- Volunteers
- 42 people
- Sponsor
- Pontificia Universidad Catolica de Chile
Multiple Sclerosis
Blood Flow Restriction And Veterans With MS
There currently is a lack of evidence to support exercise interventions in people with advanced disability due to MS (i.e., need assistance to walk or use a wheelchair).
- Trial name
- BRAVe-MS (NCT05433103)
- Testing
- Low-Load Exercise with Blood Flow Restriction, Low-Load Exercise Control Group
- Where
- United States
- Volunteers
- 58 people
- Sponsor
- VA Office of Research and Development
Coronary Artery Bypass, Off-Pump
Cell Savers and Blood Quality
Cell savers are routinely used in our hospital during off-pump coronary artery bypass grafting to retrieve and wash blood that is lost during the operation.
- Trial name
- NCT02046824
- Testing
- Xtra®, Sorin cellsaver, C.A.T.S.®, Fresenius cellsaver, CardioPAT®, Haemonetics, cellsaver
- Where
- Netherlands
- Volunteers
- 200 people
- Sponsor
- University Medical Center Groningen
Ischemic Stroke
Acute Effects of Thai Traditional Massage on Cerebrovascular Reactivity in Ischemic Stroke Patients
The investigators hypothesize that Acute Thai traditional massage will yield beneficial effects on cerebrovascular reactivity in ischemic stroke patients.
- Trial name
- NCT02270294
- Testing
- Thai traditional massage, No massage
- Where
- Thailand
- Volunteers
- 14 people
- Sponsor
- Chulalongkorn University