Clinical trials: Microvascular Resistance
Sepsis, Myocardial Injury
COronary Microcirculation and Troponin Elevation in Septic Shock
Plasma cardiac troponin (cTn) elevation is an indicator of increased mortality in patients with sepsis yet the underlying cause of troponin elevation in sepsis is not known.
- Conditions
- Sepsis, Myocardial Injury, Coronary Microvascular Dysfunction, Endothelial Dysfunction
- Trial name
- COMTESS (NCT06294730)
- Where
- Sweden
- Volunteers
- 62 people
- Sponsor
- Karolinska Institutet
ST-segment Elevation Myocardial Infarction (STEMI)
Angio-IMR and Cardiac MR-derived MVO in STEMI Patients
Coronary microcirculatory dysfunction has been known to be prevalent even after successful revascularization of ST-segment elevation myocardial infarction (STEMI) patients.
- Trial name
- NCT04828681
- Testing
- Cardiac magnetic resonance imaging
- Where
- 2 sites in United States, China
- Volunteers
- 324 people
- Sponsor
- Samsung Medical Center
Coronary Microvascular Disease
The Euro-CRAFT Registry
The Euro-CRAFT Registry is a prospective, multicentric, international registry of patients undergoing functional assessment of the coronary microcirculation using the continuous thermodilution technique.
- Trial name
- Euro-CRAFT (NCT05805462)
- Where
- 19 sites in Belgium, Denmark and 6 more
- Volunteers
- 671 people
- Sponsor
- CoreAalst BV
Diabete Type 2, Diabetes Complications
Extreme Phenotypes to Identify Susceptibility of Patients Living With Type 2 to Diabetes Related Complications
The goal of this observational study is to learn more about the diverse susceptibility to micro and macrovascular complications in individuals living with Type 2 Diabetes (T2D).
- Trial name
- EXTREME-T2D (NCT07250607)
- Where
- 3 sites in Italy
- Volunteers
- 1,000 people
- Sponsor
- Azienda Ospedaliero, Universitaria Pisana
Acute Coronary Syndrome (ACS), High On-treatment Platelet Reactivity (HTPR)
The Effect of IV Cangrelor and Oral Ticagrelor Study
Major heart attacks are caused by a number of factors, the two major of which are furring up of a coronary artery with atheroma and then sudden clot formation on this area leading to a blockage and interruption of blood flow.
- Conditions
- Acute Coronary Syndrome (ACS), High On-treatment Platelet Reactivity (HTPR), Microvascular Obstruction (MVO), ST-segment Elevation Myocardial Infarction (STEMI)
- Trial name
- NCT02733341
- Testing
- Cangrelor, Ticagrelor
- Where
- United Kingdom
- Volunteers
- 100 people
- Sponsor
- The Royal Wolverhampton Hospitals NHS Trust
Non-obstructive Coronary Disease, Acute or Chronic Coronary Artery Disease
Simultaneous Measurement of EpicArdial and Microvascular ResisTance Via Angiographic FLOW Study
The aim of this study is to establish the diagnostic performance of the AngioAI+ System (AngioInsight, Inc, USA) for estimating: 1. Fractional flow reserve (FFR) and 2.
- Trial name
- SMARTFLOW (NCT07676097)
- Testing
- Patients with intermediate coronary artery stenosis with clinically indicated FFR assessment., Microvascular assessment
- Where
- 9 sites in United States
- Volunteers
- 620 people
- Sponsor
- AngioInsight
Chronic Renal Failure
Effects of Cyclosporine A on Pancreatic Insulin Secretion
Our primary aim is to investigate if cyclosporine A reduces insulin secretion.
- Trial name
- NCT00139035
- Testing
- cyclosporine A
- Where
- Norway
- Volunteers
- 16 people
- Sponsor
- University of Oslo School of Pharmacy
Microvascular Angina
The Value of Measuring Retinal Vascular Density by Optical Coherence Tomography-Angiography (OCT-A) in Patients With Microvascular Angina Confirmed by Myocardial Microcirculatory Resistance Index (MRI).
Microvascular angina is thought to affect around 112 million patients worldwide. However, this figure is underestimated due to the difficulty of making the diagnosis.
- Trial name
- EYE-NOCA (NCT06692751)
- Testing
- Blood sampling, Ophthalmological examination, angina severity questionnaire
- Where
- France
- Volunteers
- 52 people
- Sponsor
- Centre Hospitalier Universitaire Dijon
Obesity, NAFLD
Low-Calorie Diet in People With Prediabetes/Metabolic Syndrome
Significant weight reduction, achieved by low-calorie diet (LCD), will mobilise ectopic fat (visceral and particularly liver fat), improving insulin sensitivity and other metabolic syndrome components, with secondary beneficial…
- Conditions
- Obesity, NAFLD, Fatty Liver, Pre Diabetes
- Trial name
- CALIBRATE (NCT04786418)
- Testing
- Standard of care, Low-calorie diet
- Where
- United Kingdom
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- University of Liverpool
Insulin Resistance, Type 2 Diabetes
Microvascular Dysfunction and the Development of Whole-body Insulin Resistance
This study aims to elucidate the role of the microcirculation in the development of whole body insulin resistance. The investigators hypothesize that impaired insulin signaling in the vasculature is an early phenomenon in the…
- Conditions
- Insulin Resistance, Type 2 Diabetes, Obesity
- Trial name
- DESIRE (NCT02628301)
- Testing
- Hypercaloric diet, Normocaloric diet
- Where
- Netherlands
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Amsterdam UMC, location VUmc
Metabolic Syndrome
Effects of Exercise and GLP-1 Agonism on Muscle Microvascular Perfusion and Insulin Action in Adults With Metabolic Syndrome
The primary objective of this study is to examine whether exercise training alone, liraglutide treatment alone or exercise training plus liraglutide treatment increases cardiac and skeletal muscle microvascular blood volume…
- Trial name
- ZQL008 (NCT04575844)
- Testing
- Liraglutide, Exercise training, Liraglutide + Exercise training
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University of Virginia
Coronary Artery Disease
Effects of Cangrelor on MIcRovAscular Disfunction During Elective Percutaneous CORonary Intervention
Dual Antiplatelet Therapy represents the main therapy for patients presenting with chronic coronary syndromes and undergoing elective PCI.
- Trial name
- MIRACOR (NCT06089577)
- Testing
- Cangrelor 50 MG
- Where
- 2 sites in Italy
- Volunteers
- 80 people
- Sponsor
- Federico II University
Microvascular Dysfunction, Hypertrophic Obstructive Cardiomyopathy
Association Between Microvascular Resistance and Outcomes in Patients With Obstructive Hypertrophic Cardiomyopathy
About 60% of patients with hypertrophic cardiomyopathy have microvascular dysfunction. Microvascular dysfunction is directly related to prognosis in hypertrophic cardiomyopathy.
- Conditions
- Microvascular Dysfunction, Hypertrophic Obstructive Cardiomyopathy, Microcirculation Resistance
- Trial name
- NCT05671367
- Where
- China
- Volunteers
- 340 people
- Sponsor
- China National Center for Cardiovascular Diseases
STEMI - ST Elevation Myocardial Infarction, Microvascular Coronary Artery Disease
Impact of TMAO Serum Levels on Hyperemic IMR in STEMI Patients
Trimethylamine N-oxide (TMAO) is a gut microbiota-dependent metabolite of dietary choline, L-carnitine, and phosphatidylcholine-rich foods.
- Trial name
- TAMIR (NCT05406297)
- Testing
- pressure-temperature sensor guidewire-based measurement
- Where
- Lithuania
- Volunteers
- 400 people
- Sponsor
- Lithuanian University of Health Sciences
STEMI, Acute Myocardial Infarction
Resistance STEMI Study
In acute myocardial infarction, early restoration of blood flow to the jeopardized myocardium is of paramount importance to limit infarct size and to improve long term outcome.
- Trial name
- NCT03439150
- Testing
- Absolute flow and resistance measurement
- Where
- Netherlands
- Volunteers
- 5 people
- Sponsor
- Catharina Ziekenhuis Eindhoven
Type 2 Diabetes Mellitus
The HOME Trial: Hyperinsulinaemia: the Outcome of Its Metabolic Effects, a Randomized Controlled Trial
The HOME-trial is a prospective, randomized controlled trial. The purpose of this study is to investigate the effects of metformin HCL in patients with type 2 diabetes mellitus intensively treated with insulin on the quality of…
- Trial name
- NCT00375388
- Testing
- Metformin on top of intensive insulin therapy
- Where
- Netherlands
- Volunteers
- 400 people
- Sponsor
- Bethesda General Hospital, Hoogeveen
STEMI - ST Elevation Myocardial Infarction
Coronary Microcirculation Assessment After Primary Angioplasty in Myocardial Infarction
In the management of acute myocardial infarction treated with primary angioplasty, despite effective epicardial clearance obtained in 95% of cases, microvascular obstruction (MVO) in the damaged territory concerns 50% of…
- Trial name
- NATHANAEL (NCT04542889)
- Testing
- Absolute coronary flow and resistance measurements, IMR measurement
- Where
- France
- Volunteers
- 31 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Type 1 Diabetes, Insulin Sensitivity/Resistance
Effect of GLP-1 on Microvascular Insulin Responses in Type 1 Diabetes
GLP-1 increases skeletal and cardiac microvascular perfusion and improves insulin's microvascular responses in human subjects with T1DM, leading to improved metabolic insulin responses, endothelial function, and increased muscle…
- Trial name
- KML001 (NCT04133922)
- Testing
- GLP-1, Insulin, Dextrose 20 % in Water
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Virginia
Epilepsy (Treatment Refractory), Epilepsy
Retinal OCT Changes and Biomarkers in Drug-Resistant Epilepsy
This prospective, longitudinal observational study investigates whether epilepsy involves a progressive neurodegenerative process.
- Trial name
- NCT07716930
- Where
- Turkey (Türkiye)
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Kemal Tutkavul
Prediabetes (Insulin Resistance, Impaired Glucose Tolerance), Female
Wild Blueberries for Gut, Brain, and Cardiometabolic Health in Prediabetes
The goal of this clinical trial is to determine the effectiveness of using a freeze-dried wild blueberry powder on cardiometabolic health, cognitive function, and gut microbiota composition in adult women with prediabetes.
- Conditions
- Prediabetes (Insulin Resistance, Impaired Glucose Tolerance), Female, Adult, Endothelial Function (Reactive Hyperemia)
- Trial name
- NCT06735651
- Testing
- Wild Blueberry
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Georgia State University