Clinical trials: Microvascular Circulation
Atrial Fibrillation
Landiolol in Postoperative Atrial Fibrillation
Postoperative atrial fibrillation is a common complication after cardiac surgery and is associated with an elevation of morbidity and mortality. The recommended treatment includes heart rate control with a beta blocker.
- Trial name
- MMELPOAF (NCT03779178)
- Testing
- Landiolol
- Where
- France
- Volunteers
- 58 people
- Sponsor
- Hospices Civils de Lyon
Gingival Recession
Evaluation of Cyanoacrylate as an Alternative to Sutures in Free Gingival Graft Stabilization
Free gingival graft (FGG) is a widely used periodontal plastic surgery technique for treating gingival recession, increasing keratinized gingiva width, and enhancing peri-implant soft tissues.
- Trial name
- NCT06821984
- Testing
- FGG secured using cyanoacrylate tissue adhesive without sutures.
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Gazi University
Burns
Fluid Shifts During Resuscitation: Impacts on Macrocirculation and Microcirculation
Fluid resuscitation in burn patients is associated with major macrocirculatory and microcirculatory disturbances that have been poorly described.
- Trial name
- NCT00326729
- Where
- Canada
- Volunteers
- 40 people
- Sponsor
- Montreal Burn Centre
Sepsis, Severe Sepsis
Microcirculatory Oxygen Uptake in Sepsis
Forearm vasoocclusive testing (VOT) will be performed with laser-doppler spectrophotometry system in septic patients on ICU. Microcirculatory oxygen uptake will be checked for prognostic value and for associations with tissue…
- Conditions
- Sepsis, Severe Sepsis, Septic Shock
- Trial name
- NCT02430142
- Testing
- Vasoocclusive testing
- Where
- Germany
- Volunteers
- 102 people
- Sponsor
- Universitätsmedizin Mannheim
Acute Ischemic Stroke, Reperfusion
Cilostazol Dexborneol Versus Placebo for Microcirculation Dysfunction After Reperfusion Therapy in Patients With Acute Ischemic Stroke With Large Vessel Occlusion
This study aims to evaluate the efficacy of Y-6 sublingual tablets in improving microcirculation dysfunction and reducing thrombo-inflammation in patients who had AIS caused by LVO and received reperfusion therapy.
- Conditions
- Acute Ischemic Stroke, Reperfusion, Large Vessel Occlusion
- Trial name
- CRYSTAL (NCT05836766)
- Testing
- Y-6 sublingual tablets
- Where
- 3 sites in China
- Volunteers
- 120 people
- Sponsor
- Beijing Tiantan Hospital
Microcirculation
Establishing Normal Ranges of Microcirculatory Function as Determined by CytoCam-IDF Imaging
When infection strikes, the body's immune system reacts by producing chemicals in the bloodstream and changes in white blood cells to attack the infecting organism (bacteria, viruses or other organisms) and prevent it spreading.
- Trial name
- NCT03044483
- Testing
- Measurement of sublingual microcirculatory parameters
- Where
- United Kingdom
- Volunteers
- 91 people, healthy volunteers welcome
- Sponsor
- University Hospitals, Leicester
Septic Shock, Sepsis
Discordance Between Capillary Refill Time and Oxygen Extraction Ratio in Septic Shock
In septic shock, restoring large-vessel (macrocirculatory) perfusion-reflected by a normal capillary refill time (CRT)-does not always mean that oxygen use at the tissue level has recovered.
- Trial name
- DISCO-SHOCK (NCT07774962)
- Testing
- Capillary refill time (CRT), Oxygen extraction ratio (O₂ER) assessment
- Where
- Turkey (Türkiye)
- Volunteers
- 100 people
- Sponsor
- Istanbul University - Cerrahpasa
Mitral Valve Insufficiency, Coronary Stenosis
Impact of Mitral Regurgitation on Coronary Haemodynamics and Instantaneous Effect of Transcatheter Mitral Valve Repair
In the present study, the investigators aim to use the in-vivo Transcatheter Mitral Valve Repair (TMVR) model to determine how Mitral Regurgitation (MR) affects coronary hemodynamics in patients affected with severe MR and…
- Conditions
- Mitral Valve Insufficiency, Coronary Stenosis, Mitral Regurgitation, Coronary Artery Disease
- Trial name
- MitraFLOW (NCT04245956)
- Testing
- Measure of hemodynamic indices in a stenosed coronary artery using a pressure wire
- Where
- Switzerland
- Volunteers
- 1 people
- Sponsor
- University Hospital, Geneva
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
Septic Shock
Effects of Dobutamine on Microcirculation, Regional and Peripheral Perfusion in Septic Shock Patients
The investigators hypothesize that dobutamine is able to revert negative redistribution of flow by inducing a selective vasodilatory effect on hypoperfused territories, particularly at the sublingual and gastric mucosa, and at…
- Trial name
- NCT01271153
- Testing
- Dobutamine
- Where
- Chile
- Volunteers
- 20 people
- Sponsor
- Pontificia Universidad Catolica de Chile
Chronic Kidney Disease, Vitamin D Deficiency
Vitamin D, Chronic Kidney Disease (CKD) and the Microcirculation
Overall research aims: This study will examine the effect of vitamin D supplementation on the function of the endothelium and microcirculation of patients with chronic kidney disease and vitamin D deficiency.
- Trial name
- NCT00882401
- Testing
- Ergocalciferol (Vitamin D)
- Where
- United Kingdom
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Barts & The London NHS Trust
Type 1 Diabetes Mellitus, Dyslipidemia
Treatment Effects of Atorvastatin on Hemostasis and Skin Microcirculation in Patients With Type 1 Diabetes
Patients with type 1 diabetes are at increased risk of vascular complications both in the micro- and macrocirculation. Hyperglycemia plays a major role in the development of these vascular complications, but other factors such…
- Trial name
- NCT01497912
- Testing
- Atorvastatin
- Where
- Sweden
- Volunteers
- 20 people
- Sponsor
- Karolinska Institutet
Microcirculation
Comparison Between Dexmedetomidine and Propofol for Patients in the Intensive Care Unit After Abdominal Surgery
This is a single-blind randomized clinical trial. Patients undergoing abdominal surgery will be enrolled and randomly divided into two groups: dexmedetomidine group and propofol group.
- Trial name
- NCT02874768
- Testing
- Dexmedetomidine, Propofol
- Where
- Taiwan
- Volunteers
- 60 people
- Sponsor
- National Taiwan University Hospital
Microcirculation
Use of Laser Speckle to Study Post Occlusive Reactive Hyperhemia in Healthy Subjects
The investigators aim to test the hypothesis that Laser speckle contrast imaging allows for the measurement of cutaneous blood flow following various durations of tourniquet ischemia.
- Trial name
- SpeckleShake (NCT01169974)
- Testing
- tourniquet ischemia
- Where
- France
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- University Hospital, Angers
Cardiac Arrest
Microcirculatory Perfusion in Patients With Coma After Out-of-hospital Cardiac Arrest
The hypothesis is: In patients after an out of hospital cardiac arrest, treated with therapeutic hypothermia (33°C) will be found significantly more microcirculatory abnormalities, compared to the same group of patients treated…
- Trial name
- NCT01850485
- Testing
- microcirculation by SDF and NIRS, in 33 and 36 degrees
- Where
- Netherlands
- Volunteers
- 22 people
- Sponsor
- Frisius Medisch Centrum
C.Surgical Procedure, Cardiac
Steroids and Microcirculation In Cardiac Surgery
Cardiac surgery is sometimes associated with organ dysfunction of variable severity (renal insufficiency, cognitive decline, arrhythmias, ARDS).
- Trial name
- SICS (NCT02798068)
- Where
- Belgium
- Volunteers
- 40 people
- Sponsor
- Erasme University Hospital
Sepsis, Severe, Sepsis
Microcirculation Properties of Albumin for Fluid Resuscitation in Septic Shock
The sublingual microcirculation is impaired in sepsis and septic shock. Sidestream dark field imaging technology has been developed into a clinical tool to help the clinician assess the microcirculation at the bedside.
- Conditions
- Sepsis, Severe, Sepsis, Septic Shock
- Trial name
- NCT05357339
- Testing
- 20% Albumin, Crystalloid
- Where
- Ireland
- Volunteers
- 100 people
- Sponsor
- Rachael Cusack
Hypertension
Effects of Nebivolol on Skeletal Muscle During Exercise in Hypertensive Patients
The purpose of this study is to determine if Nebivolol improves microvascular perfusion in skeletal muscle during exercise in hypertensive patients and whether this improvement is accompanied by reduction in vascular oxidative…
- Trial name
- NCT01501929
- Testing
- Metoprolol succinate, Nebivolol, Non-invasive measurement of Cardiac Output (CO)
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Diabetes Mellitus
Comparative Measurement of Microcirculation and Other Parameters With the Vital USA VitalDetect™ in Patients With Diabetes Mellitus Type 1 and Type 2 Versus Healthy Participants
The purpose of this clinical study is to optimize the measurement algorithm of the Vital USA VitalDetectTM in measuring the microcirculating blood flow.
- Trial name
- NCT06063759
- Testing
- VitalDetect
- Where
- Germany
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Sciema UG
Cardiomyopathies, Microcirculation
IMR Assessment in Patients With New Diagnosis of Left Ventricle Dilatation
To establish if, in patients with new diagnosis of left ventricular dilatation without documentation at the coronary artery angiography of significant coronary artery lesions, there is a damage of the coronary microcirculation at…
- Conditions
- Cardiomyopathies, Microcirculation, Microvessels
- Trial name
- IMPAIRED (NCT02705170)
- Testing
- index of microvascular resistance
- Where
- Italy
- Volunteers
- 35 people
- Sponsor
- University Hospital of Ferrara