Clinical trials: Microvascular Resistance
Coronary Cicrovascular Dysfunction, Hypertrophic Cardiomyopathy Patients
Prognostic Significance of CMD Assessed by IMR in HCM Patients
The index of microcirculatory resistance (IMR) serves as an indicator of coronary microvascular dysfunction (CMD) with significant prognostic value in various clinical conditions.
- Trial name
- caIMR-HCM (NCT06190704)
- Testing
- caIMR
- Volunteers
- 191 people
- Sponsor
- Ya-Wei Xu
Heart Transplant Rejection, Microvascular Resistance
IMR-Heart Trasplant Study
Acute allograft rejection (AAR) is an important cause of morbi-mortality in heart transplant (HT) patients, particularly during the first year.
- Trial name
- NCT06656065
- Where
- 2 sites in Spain
- Volunteers
- 100 people
- Sponsor
- Hospital Miguel Servet
Metabolic Syndrome, Coronary Microvascular Dysfunction
Vericiguat in Patients With Metabolic Syndrome and Coronary Vascular Dysfunction
Coronary vascular dysfunction is one of the "final common pathways" for the impact of multiple cardiovascular risk factors. The investigators will conduct a randomized, double-blind placebo-controlled study in individuals with…
- Trial name
- NCT05711719
- Testing
- Vericiguat
- Where
- United States
- Volunteers
- 45 people
- Sponsor
- Johns Hopkins University
Type 2 Diabetes, Overweight and Obesity
Role of Microvascular Insulin Resistance and Cardiorespiratory Fitness Diabetes
The goal of this two-site grant proposal is to determine the role of the decreased insulin-mediated muscle perfusion found in type 2 diabetes in contributing to the development of cardiac and skeletal muscle dysfunction and…
- Trial name
- REACH (NCT04791371)
- Testing
- Cardiovascular exercise
- Where
- 2 sites in United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Coronary Microvascular Dysfunction (CMD), Stable Angina Pectoris
A Multi-center, Real-World Clinical Trial of caIMR on Two Specific Kinds of Patients.
The coronary angiography-derived index of microcirculatory resistance (caIMR) can be used to provide a binary assessment whether patients（with stable angina, unstable angina, suspected myocardial ischemia, or coronary artery…
- Conditions
- Coronary Microvascular Dysfunction (CMD), Stable Angina Pectoris, Unstable Angina Pectoris, Myocardial Ischemia, Angina Pectoris
- Trial name
- FlashV (NCT06945094)
- Testing
- caIMR
- Volunteers
- 508 people
- Sponsor
- Ge Junbo
ST Elevation Myocardial Infarction
Effect of DLBS1033 After Primary PCI in Patients With STE-ACS
This is a prospective, randomized, double-blind, double-dummy, and controlled clinical study over a total of 4-week therapy with DLBS1033 in the management of STE-ACS after a primary PCI.
- Trial name
- NCT02976701
- Testing
- DLBS1033, Standard therapy
- Where
- Indonesia
- Volunteers
- 23 people
- Sponsor
- Dexa Medica Group
Microvascular Angina, Microvascular Coronary Artery Disease
EUROpean Coronary microCirculatory Resistance and Absolute Flow Trial
Rationale: coronary microvascular disease is a relatively 'new' entity within the field of cardiology. The investigators are able to investigate the microcirculation by measurements performed in the catheterization laboratory.
- Conditions
- Microvascular Angina, Microvascular Coronary Artery Disease, Coronary Vasospasm, Microvascular Resistance
- Trial name
- EURO-ccraft (NCT04598308)
- Testing
- absolute flow and resistance measurements
- Where
- Netherlands
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Catharina Ziekenhuis Eindhoven
Refractory Angina
Coronary Sinus Reducer Objective Impact on Symptoms, MRI Ischaemia and Microvascular Resistance
ORBITA-COSMIC is a randomised, double-blinded, placebo controlled trial of the coronary sinus reducer (CSR). The investigators will compare the effects of CSR versus placebo on myocardial perfusion on MRI, exercise time and…
- Trial name
- ORBITA-COSMIC (NCT04892537)
- Testing
- Coronary Sinus Reducer
- Where
- 5 sites in United Kingdom
- Volunteers
- 50 people
- Sponsor
- Imperial College London
ST Segment Elevation Myocardial Infarction
Microvascular Dysfunction in Acute Myocardial Infarction (AMI) and Its Relation to Outcome
The purpose of this study is first to evaluate absolute myocardial blood flow and resistance over time in the acute and sub-acute phase of myocardial infarction and second, to correlate these parameters to preservation of left…
- Trial name
- NCT01538303
- Where
- Netherlands
- Volunteers
- 20 people
- Sponsor
- Catharina Ziekenhuis Eindhoven
Psoriasis, Metabolic Syndrome
Effects of TNF-alpha Antagonism (Etanercept) in Patients With the Metabolic Syndrome and Psoriasis
People with psoriasis have significantly higher rates of obesity, diabetes, heart failure and high blood pressure than the general public.
- Conditions
- Psoriasis, Metabolic Syndrome, Hyperlipidemia, Obesity
- Trial name
- NCT00477191
- Testing
- Etanercept
- Where
- United States
- Volunteers
- 18 people
- Sponsor
- Massachusetts General Hospital
Metabolic Syndrome
Acute Effects of Oral Carbohydrate and Fat Loads on Systemic Microvascular Endothelial Function in Healthy Individuals.
The present study was designed to evaluate vascular endothelial dysfunction resulting from the oral ingestion of high loads of sugar and fat meals in healthy individuals.
- Trial name
- NCT03515460
- Testing
- sugar oral load, fat oral load, sugar and fat oral load
- Where
- Brazil
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- National Institute of Cardiology, Laranjeiras, Brazil
STEMI, Elevated IMR (>32)
A Study of Low-dose Intracoronary Thrombolytic Therapy in STEMI (Heart Attack) Patients.
Heart attacks are caused by a blood clot blocking the blood vessels of the heart, preventing blood getting to the heart muscle. Opening up the artery with a balloon (angioplasty) and a small mesh tube (stent) although life saving…
- Trial name
- RESTORE-MI (NCT03998319)
- Testing
- Tenecteplase (1/3 systemic weight based dose), Sterile water for injection (WFI)
- Where
- 22 sites in Australia, New Zealand
- Volunteers
- 445 people
- Sponsor
- University of Sydney
Arterial Hypertension, Resistant Hypertension
Evaluation of Systemic Microvascular Reactivity in Patients With Resistant Hypertension
Systemic arterial hypertension is a serious health problem worldwide. In some cases, it can phenotypically present as resistant arterial hypertension, which consists of blood pressure levels outside the treatment goals in…
- Conditions
- Arterial Hypertension, Resistant Hypertension, Microvascular Rarefaction, Endothelial Dysfunction
- Trial name
- NCT05464849
- Testing
- Evaluation of systemic skin microvascular endothelial function
- Where
- Brazil
- Volunteers
- 111 people
- Sponsor
- National Institute of Cardiology, Laranjeiras, Brazil
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
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
End Stage Renal Disease, Myocardial Microvascular Disease
Myocardial Microvascular Disease in ESRD
Cardiovascular diseases are the leading cause of mortality in patients with end stage renal disease (ESRD). They often have myocardial ischemia (a major predictor of mortality) on non invasive testing (Stress echocardiography…
- Trial name
- MICROCARD (NCT01291771)
- Testing
- Invasive FFR + CFR measurements are performed during coronary angiography using a pressure guide wire
- Where
- France
- Volunteers
- 30 people
- Sponsor
- Hospices Civils de Lyon
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
Diabetes Mellitus, Type 2
Skin and Retina Microvascular Endothelial Function in Healthy, Insulin Resistant and Type 2 Diabetic Subjects
The purpose of this study is to investigate microvascular endothelial function in the retina of lean, obese, and type 2 diabetic subjects and to compare microvascular endothelial function in the retina with several other…
- Trial name
- NCT01241370
- Where
- Germany
- Volunteers
- 78 people, healthy volunteers welcome
- Sponsor
- ELAB-Logistics
Diabetes Mellitus
Vascular Reactivity in Metabolic Syndrome and Diabetic Patients Using Diffuse Optical Spectroscopy
Metabolic Syndrome is a highly prevalent condition that is comprised of several major clustering factors that increase the risk for developing cardiovascular disease.
- Trial name
- NCT00793481
- Testing
- Diffuse Optical Spectroscopy
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- University of California, Irvine
Coronary Microvascular Dysfunction, Coronary Microvascular Disease
Insulin Resistance and Coronary Microvascular Dysfunction in Patients With Myocardial Ischemia and Non-obstructive Coronary Artery Disease
The goal of this prospective study is to assess the correlation between coronary microvascular disfunction and insulin resistance in patients with INOCA.
- Conditions
- Coronary Microvascular Dysfunction, Coronary Microvascular Disease, Insulin Resistance
- Trial name
- IRIN (NCT06597851)
- Testing
- Thermodilution based assessment of coronary microcirculation, Hyperinsulinemic-euglycemic Clamp test
- Where
- Italy
- Volunteers
- 40 people
- Sponsor
- Azienda Ospedaliera Universitaria Integrata Verona