Clinical trials: Microvascular Resistance
COVID-19, Coronary Microvascular Dysfunction
COVID-19 Microvascular Evaluation Trial
The COMET trial is an observational, cross-sectional study aimed at comparing the incidence of coronary microvascular dysfunction (CMD) in patients with stable angina who have a history of severe COVID-19 infection requiring…
- Trial name
- COMET-19 (NCT05841485)
- Testing
- Assessment of coronary microvascular dysfunction using intracoronary pressure-temperature wire
- Where
- Lithuania
- Volunteers
- 102 people
- Sponsor
- Lithuanian University of Health Sciences
Arterial Hypertension, Resistant Arterial Hypertension
Systemic Microvascular Function in Patients With Resistant Hypertension After Renal Sympathetic Denervation
It has been proposed that the modulation of the activity of the sympathetic nervous system, through renal sympathetic denervation, besides reducing blood pressure, would promote an improvement in vascular reactivity and…
- Trial name
- NCT03243045
- Testing
- Renal sympathetic denervation
- Where
- Brazil
- Volunteers
- 20 people
- Sponsor
- National Institute of Cardiology, Laranjeiras, Brazil
Coronary Microvascular Dysfunction (CMD), Index of Microvascular Resistance
SHR Predicts CMD in Patients with CCS
SHR exerts a significant influence in numerous cardiovascular diseases, including MINOCA (myocardial infarction with non - obstructive coronary arteries), HFpEF (heart failure with preserved ejection fraction), and CAD (coronary…
- Conditions
- Coronary Microvascular Dysfunction (CMD), Index of Microvascular Resistance, Chronic Coronary Syndrome, Prognosis
- Trial name
- SHR-CMD-CCS (NCT06698432)
- Testing
- caIMR
- Volunteers
- 379 people
- Sponsor
- Ya-Wei Xu
Type 2 Diabetes
TODAY2 Phase 2 Follow-up
The primary objective of T2P2 is to track the progression of T2D and related comorbidities and complications in the TODAY cohort as they transition to young adulthood.
- Trial name
- T2P2 (NCT02310724)
- Testing
- TODAY cohort
- Where
- 15 sites in United States
- Volunteers
- 517 people
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Peripheral Arterial Disease
Peripheral Microvascular Resistance as a Predictor for Limb Salvage
Salvaging a threatened limb is the key therapeutic objective for patients with critical limb ischemia, and the achievement of limb salvage is an independent predictor of patient morbidity and mortality.
- Trial name
- NCT06014242
- Testing
- Peripheral vascular flow reserve measurement
- Sponsor
- Hackensack Meridian Health
Coronary Artery Disease, Angina
Ivabradine and Post-revascularisation Microcirculatory Dysfunction
The aim of the study is to test whether, in patients with angina and flow limiting epicardial coronary artery disease, pre-treatment with Ivabradine, as opposed to beta blockers, will reduce post percutaneous coronary…
- Trial name
- MICRO-PCI (NCT02507050)
- Testing
- Ivabradine
- Where
- United Kingdom
- Sponsor
- Liverpool Heart and Chest Hospital NHS Foundation 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
Visceral Fat, Insulin Resistance
Study of Visceral Fat in type2diabetic Patients and Its Relation to Microvascular Complications
Study the correlation between METS IR and visceral fat in type 2 diabetes and its relation to microvascular complication
- Trial name
- NCT06112197
- Where
- Egypt
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Sohag University
Vascular Stiffness, Insulin Sensitivity
Effect of Hyperglycemia on Microvascular Perfusion in Healthy Adults
The investigators are studying the effects of Hyperglycemia on vascular function and insulin sensitivity on healthy adults
- Trial name
- EJB050 (NCT03520569)
- Testing
- Octreotide, Insulin, Dextrose 20% solution
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- University of Virginia
Coronary Microvascular Disease, Coronary Artery Disease
A Non-invasive Index of Microciculatory Resistance
Coronary artery microvascular disease (CMVD) lacks reliable and non-invasive quantitative diagnosis methods. Improving coronary microcirculation has become one of the main goals of coronary heart disease treatment.
- Trial name
- NCT04554004
- Testing
- CCTA, CT-MPI, DSA, FFR
- Where
- China
- Volunteers
- 295 people, healthy volunteers welcome
- Sponsor
- First People's Hospital of Hangzhou
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
Microvascular Coronary Artery Disease, Coronary Artery Disease
The MASTER-PACT Study
The goal of this clinical trial is to compare non-invasive myocardial perfusion reserve (MRR) to invasively measured MRR in patients suspected for coronary artery disease (CAD).
- Trial name
- MASTER-PACT (NCT06069401)
- Volunteers
- 40 people
- Sponsor
- Amsterdam UMC, location VUmc
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
Non-ST Segment Elevation Myocardial Infarction, ST Segment Elevation Myocardial Infarction
Comparison of Clopidogrel and Ticagrelor on Microvascular Dysfunction in ST-Segment Elevation Myocardial Infarction
Ticagrelor is a non-thienophyridine, direct P2Y12 blocker that is more potent than clopidogrel and is associated with less interindividual variability.
- Trial name
- NCT02026219
- Testing
- Clopidogrel, Ticagrelor
- Where
- South Korea
- Volunteers
- 76 people
- Sponsor
- Inha University Hospital
Coronary Microvascular Dysfunction, Metabolic Syndrome
Microcirculation Assessment in Diabetes and Metabolic Syndrome
Abnormal coronary microvascular vasodilation has been demonstrated in patients with diabetes and metabolic syndrome, but the role of insulin resistance in its pathogenesis is not clear.
- Conditions
- Coronary Microvascular Dysfunction, Metabolic Syndrome, Diabetes
- Trial name
- MADAME (NCT01014949)
- Testing
- Coronary microcirculation assessment
- Where
- Italy
- Volunteers
- 50 people
- Sponsor
- S.M. Misericordia Hospital
Acute ST-elevation Myocardial Infarction
Detection and Significance of Heart Injury in ST Elevation Myocardial Infarction.
Heart imaging with magnetic resonance imaging (MRI) provides detailed insights into heart function and injury. The nature and significance of heart injury after a heart attack is incompletely understood.
- Trial name
- BHF MR-MI (NCT02072850)
- Testing
- Coronary pressure wire, Magnetic resonance imaging of the heart
- Where
- United Kingdom
- Volunteers
- 324 people
- Sponsor
- NHS National Waiting Times Centre Board
Coronary Artery Disease
Evaluation of Coronary Microvascular Dysfunction (EVACORY)
The proposed study is to validate a new non-invasive imaging technique for evaluation of cardiac microciculation in coronary artery disease with a comparison with validated technique invasive, which is measure of index of…
- Trial name
- EVACORY (NCT01995955)
- Testing
- a new non-invasive imaging technique
- Where
- France
- Volunteers
- 45 people
- Sponsor
- University Hospital, Grenoble
Cardiac Allograft Vasculopathy
Physiologic Assessment of Microvascular Function in Heart Transplant Patients
The aim of the study is to evaluate the impact of early microvascular disease assessed by coronary physiologic indices such as fractional flow reserve (FFR), coronary flow reserve (CFR), index of microvascular resistance (IMR) on…
- Trial name
- NCT02798731
- Where
- South Korea
- Volunteers
- 200 people
- Sponsor
- Samsung Medical Center
Insulin Resistance, Microvascular Disease
The Vascular Effects of Vildagliptin in Insulin Resistant Individuals
Animal models have demonstrated that incretins have a glucose-independent effect on vascular perfusion, and there is limited evidence that incretins may enhance endothelial function in healthy subjects.
- Trial name
- NCT01122641
- Testing
- Vildagliptin
- Where
- United Kingdom
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Royal Devon and Exeter NHS Foundation Trust
Coronary Artery Disease
Clinical, Physiological and Prognostic Implication of Microvascular Status
There are several physiologic parameters in evaluating cardiovascular disease. This study will reveal which parameter is the most proper value in predicting disease severity and risk factors of patients.
- Trial name
- NCT02186093
- Where
- 5 sites in South Korea
- Volunteers
- 1,197 people
- Sponsor
- Seoul National University Hospital