Clinical trials: Blood Circulation Disorder
Circulatory Shock, Hemodynamic Instability
Peripheral pULSe Assessment and Arterial pRessure (PULSAR)
This prospective multicenter observational study aims to investigate the relationship between palpable peripheral pulses and simultaneously measured arterial blood pressure in adult patients with circulatory shock or impending…
- Conditions
- Circulatory Shock, Hemodynamic Instability, Hypotension, Shock
- Trial name
- PULSAR (NCT07609095)
- Testing
- Peripheral Pulse Palpation
- Where
- Sweden
- Volunteers
- 5,000 people
- Sponsor
- Region Stockholm
Peripheral Artery Disease
Dietary Nitrates and Vascular Function in Patients With Peripheral Artery Disease
The overarching question addressed in the current project is: Does dietary nitrate supplementation (8 weeks) improve physiological function in patients with peripheral arterial disease (PAD)? The investigators will specifically…
- Trial name
- NCT01983826
- Testing
- Sodium Nitrate
- Where
- United States
- Volunteers
- 21 people
- Sponsor
- University of Iowa
Lateral Epicondylitis
Comparison of the Effectiveness of Blood Flow Restriction Exercise and Eccentric Exercise in Lateral Epicondylitis
This study compared three different treatment approaches for lateral epicondylitis (tennis elbow), a common condition that causes pain on the outside of the elbow.Twenty-seven patients diagnosed with lateral epicondylitis were…
- Trial name
- NCT07627932
- Testing
- Blood flow restriction, Eccentric Exercise, Orthosis
- Where
- Turkey (Türkiye)
- Volunteers
- 27 people
- Sponsor
- Manisa Celal Bayar University
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
Muscle Weakness, Muscle Atrophy
Effect of Neuromuscular Electrical Stimulation Combined With Blood Flow Restriction on Muscular and Cardiovascular Function
Neuromuscular electrical stimulation (NMES) has recently been combined with blood flow restriction (BFR) in controlled trials and has shown increased muscular strength and size compared with NMES and BFR on their own.
- Trial name
- NCT03662555
- Testing
- Neuromuscular electrical stimulation
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- St. Mary's University, Twickenham
Cardiac Arrest, Cerebral Lesion
Early Transcranial Doppler Goal Directed Therapy After Cardiac Arrest: a Pilot Study
Hypoxic-ischaemic brain injury (HIBI) is the main cause of death in patients who are comatose after resuscitation from cardiac arrest.
- Conditions
- Cardiac Arrest, Cerebral Lesion, Ischemic Encephalopathy, Ischemic Reperfusion Injury
- Trial name
- GOODYEAR (NCT04000334)
- Testing
- MAP increased to optimize cerebral blood flow, MAP between 65 and 85 mmHg
- Where
- France
- Volunteers
- 20 people
- Sponsor
- Centre Hospitalier le Mans
Pulmonary Hypertension
Noninvasive Determination of Cerebral Tissue Oxygenation in Pulmonary Hypertension
To study the effect of acute pulmonary vasodilatation on cerebral tissue oxygenation (CTO) and cerebral blood flow (CBF) as indicator for cerebrovascular autoregulation in comparison to the effects of supplemental oxygen…
- Trial name
- NCT01463514
- Testing
- Right heart catheterization, Near-infrared spectroscopy
- Where
- Switzerland
- Volunteers
- 20 people
- Sponsor
- University of Zurich
Peripheral Artery Disease, Intermittent Claudication
Intermittent Negative Pressure to Improve Blood Flow in Patients With Peripheral Artery Disease: Optimal Pulse Pressure Regime
Recent studies have shown that applying intermittent negative pressure (INP) with short negative pressure (-40 mmHg) pulses to the lower extremities increase arterial blood flow velocity and skin blood flow.
- Conditions
- Peripheral Artery Disease, Intermittent Claudication, Lower Extremity Claudication
- Trial name
- NCT03547817
- Testing
- Intermittent negative pressure device
- Where
- Norway
- Volunteers
- 16 people
- Sponsor
- Oslo University Hospital
Pulmonary Arterial Hypertension
Peripheral Muscle Microcirculation and Exercise-induced Blood Flow Distribution in Pulmonary Arterial Hypertension
Pulmonary artery hypertension (PAH) is a rare, severe disease, characterized by a progressive increase in pulmonary vascular resistance ultimately leading to right ventricular (RV) failure and premature death.
- Trial name
- NCT01520493
- Testing
- Submaximal exercises
- Where
- 2 sites in Canada
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Laval University
Primary Open Angle Glaucoma
The Effects of Visior on Ocular Hemodynamics
To determine the relationship between the affects of viewing commercially available content through the VISIOR video goggles and ocular blood flow in glaucoma patients and healthy subjects.
- Trial name
- NCT02959593
- Testing
- VISIOR video goggles
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Visior Technologies Ltd.
Cardiovascular Diseases, Cardiovascular Risk Factor
The Effect of Antioxidants on Skin Blood Flow During Local Heating
The goal of this study is to examine possible mechanisms of impaired vasodilaton in obese and Black/African American men and women as possible links to the elevated prevalence of cardiovascular dysfunction and disease.
- Conditions
- Cardiovascular Diseases, Cardiovascular Risk Factor, Vasodilation
- Trial name
- NCT03680638
- Testing
- Control (Lactated Ringer's), Tempol, Apocynin
- Where
- United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- The University of Texas at Arlington
Gait or Balance Disorder Problems
The CBF Study Evaluating the Effect of Betahistine on the Cerebral Blood Flow
Betahistine may provide benefit by enhancement of Cerebral Blood Flow (CBF). This placebo-controlled pharmacodynamic treatment study will primarily explore the effect of betahistine on cerebral blood flow measured by dynamic…
- Trial name
- CBF (NCT01468285)
- Testing
- betahistine dihydrochloride
- Where
- 2 sites in Singapore
- Volunteers
- 27 people
- Sponsor
- Abbott Products
Atherosclerosis and Blood Flow in Coronary Artery
Geometrical Influences on Atherosclerosis and Blood Flow
The study investigates the use of advanced imaging techniques and computational methods to identify high-risk plaques in coronary arteries.
- Trial name
- NCT07002697
- Where
- Bangladesh
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Bangladesh University of Engineering and Technology
Coronary Vessels, Endothelins
Endothelin-Receptor Blockade in Coronary Heart Disease
Endothelin is a hormon that causes acute and chronic narrowing of heart vessels. The purpose of this study is to assess whether suppression of this activity by using two types of receptor antagonists can reduce this effect and…
- Conditions
- Coronary Vessels, Endothelins, Vascular Resistance
- Trial name
- NCT00427232
- Testing
- BQ-123 and BQ-788
- Where
- Austria
- Volunteers
- 26 people
- Sponsor
- Medical University of Vienna
Cardiac Surgery, Extracorporeal Circulation; Complications
Evaluation of Blood and Cardiac Protein O-GlcNAcylation Levels in Cardiac Surgery in Children
Cardiac surgery requires the use of extracorporeal circulation (ECC). Age-related differences in inflammatory response, the greater susceptibility of immature organ systems to injury and the larger ratio of extracorporeal…
- Conditions
- Cardiac Surgery, Extracorporeal Circulation; Complications, Metabolism, Low Cardiac Output
- Trial name
- CardiOGlcNAc (NCT06754709)
- Where
- France
- Volunteers
- 300 people
- Sponsor
- Nantes University Hospital
Traumatic Brain Injury
Ketogenic Diet & Functional Recovery in Moderate to Severe Traumatic Brain Injury
Traumatic Brain Injury (TBI) represents a significant public health risk in the United States leaving many survivors with significant long term cognitive deficits and at risk for neurodegenerative diseases.
- Trial name
- NCT04530032
- Testing
- ketogenic/modified Atkins diet, Standard diet
- Where
- United States
- Volunteers
- 21 people
- Sponsor
- Loma Linda University
Coronary Artery Disease
The Nordic Bifurcation Study III
Should we, or should we not, perform dilatation of the side branch through the main vessel stent, if there is acceptable blood flow in the side branch?
- Trial name
- BIF III (NCT00914199)
- Testing
- Percutaneous coronary intervention (PCI)
- Where
- Denmark
- Volunteers
- 477 people
- Sponsor
- Evald Hoej Christiansen
Knee Osteoarthristis
BFR Training and Knee Osteoarthritis
Knee osteoarthritis (KOA) is a chronic, progressive degenerative joint disease characterized by cartilage and bone degeneration, synovial inflammation, and structural changes.
- Trial name
- NCT07590323
- Testing
- Standard Treatment, Pain neuroscience education, Blood flow restriction training
- Where
- Saudi Arabia
- Volunteers
- 90 people
- Sponsor
- University of Hail
Type1diabetes, Insulitis
Pancreas Ultrasound Imaging in type1 Diabetes
The overall goal of this study is to develop and test a novel method involving ultrasound imaging, in order to detect the development of type 1 diabetes.
- Conditions
- Type1diabetes, Insulitis, Pancreas Inflamed
- Trial name
- NCT05482321
- Testing
- Definity Suspension for Injection
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Kolon Kanseri
Erector Spinae Plane Block in Laparoscopic Colorectal Cancer Surgery
Our study will compare patients who underwent laparoscopic surgery for colorectal cancer with and without Erector Spinae Plane Block in terms of renal blood flow and renal function tests.
- Trial name
- NCT07297433
- Testing
- Erector Spinae Plane Block
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people
- Sponsor
- Kayseri City Hospital
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