Clinical trials: Microcirculation, open to volunteers
Microcirculatory Dysfunction, Tissue Hypoperfusion
Submental Tissue Oxygenation and Arterial Lactate in Major Surgery
During major surgical procedures performed under general anesthesia, changes in blood flow and oxygen delivery to tissues may occur due to blood loss, hemodynamic fluctuations, and anesthesia-related physiological effects.
- Conditions
- Microcirculatory Dysfunction, Tissue Hypoperfusion, Microcirculatory Status, Microvascular Circulation
- Trial name
- NCT07399275
- Testing
- No intervention. This is a prospective observational study. Near-infrared spectroscopy measurements are performed for monitoring purposes only and do not influence clinical management.
- Where
- Turkey (Türkiye)
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Bursa Sevket Yilmaz Training and Research Hospital
Hypertensive Heart Disease Without (Congestive) Heart Failure
The Influence of Beetroot Powder at a Dose of 20 g on Blood Pressure, Microcirculation, and Biochemical Markers in Men With Arterial Hypertension.SVEKLA2025.
Objective: to evaluate the effectiveness of using a food product, dry finely dispersed beetroot powder in a dose of 20 g, containing 800 mg of nitrate (NO3-), in relation to the regulation of blood pressure in men with…
- Trial name
- NCT07270718
- Testing
- Plus SVEKLA
- Where
- Russia
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- National Medical Research Center for Therapy and Preventive Medicine
Critical Illness, Healthy
Assessment of the Repeatability of Sublingual Microcirculation Function Measurements in Healthy Volunteers and Critically Ill Patients
The assessment of microcirculatory function plays a pivotal role in perioperative medicine and intensive care. One promising method for evaluating microcirculatory function is the microscopic analysis of the oral mucosal…
- Trial name
- NCT07397208
- Where
- Poland
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Medical University of Gdansk
Blood Flow
Microvascular Blood Flow During Passive Heating
Determine whether passive heating intervention effects microvascular blood flow as measured with near-infrared spectroscopy
- Trial name
- NCT06565221
- Testing
- Heat and negative pressure
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- San Diego State University
Microcirculatory Status, Spectroscopic Analysis
Near-Infrared Spectroscopy Measurements in Chronic Obstructive Pulmonary Disease
Participants were selected based on three groups: healthy, chronic obstructive pulmonary disease, and chronic renal disease. NIRS was used to measure tissue oxygenation on the thenar region of the right hand.
- Conditions
- Microcirculatory Status, Spectroscopic Analysis, COPD, Renal Failure
- Trial name
- NIRS (NCT06976762)
- Where
- Turkey (Türkiye)
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Tokat Gaziosmanpasa University
Stroke, Epilepsy
Coronary and Cerebral Microvascular Dysfunction in Neurological Diseases
Neurological and cardiovascular diseases are increasing in relative and absolute terms globally, and pose a major burden in terms of morbidity, mortality, quality of life and healthcare costs.
- Conditions
- Stroke, Epilepsy, Transient Global Amnesia (TGA)
- Trial name
- G-HeBra (NCT07009990)
- Where
- Germany
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University Medicine Greifswald
Fabry Disease, Cardiovascular Diseases
the Role of cArdiac Inflammation, endoThelial Dysfunction, and FIbrosis in fabrY Disease
The overall objective of this study is to investigate Fabry-related cardiomyopathy and the use of native T1-mapping, coronary microvascular function, cardiac inflammation, and cardiac injury in an effort to improve the ability to…
- Trial name
- RATIFY (NCT06776419)
- Testing
- Cardiac Magnetic Ressonance Imaging, 82Rubidium-positron emission tomography and computer-tomography
- Where
- Denmark
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Caroline Michaela Kistorp
Skin Aging
Effectiveness and Safety of Cellbooster Shape in Healthy Subjects
SUISSELLE has developed a CE marketed (2021) HA-based superficial epidermis/dermis injection filler and skinbooster product, Cellbooster® Shape (CBS). CBS is produced using patented CHAC Technology.
- Trial name
- NCT07636512
- Testing
- Skin booster injection (CBS)
- Where
- France
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Suisselle
Aging Problems
Vascular Aging and Microcirculation: Physiological Aspects of Vascular Aging in the Elderly Population (VAMP-Aging)
Rising life expectancy worldwide challenges public health due to increased cardiovascular disease linked to vascular aging, where microvascular dysfunction serves as an early indicator of system-wide inflammation, or…
- Trial name
- VAMP-Aging (NCT07563725)
- Testing
- Laser Speckle Contrast Imaging, Handgrip Dynamometry (Muscle Strength), Sit-to-Stand Test (5-Times Sit-to-Stand - 5STS)
- Where
- Brazil
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- National Institute of Cardiology, Laranjeiras, Brazil
Gingival Vascularization, Oral Soft Tissue Wound Healing
Analysis of the Reliability and Validity of Laser Speckle Contrast Imaging
This study is designed to validate laser speckle contrast imaging (LSCI) as a non-invasive method for measuring superficial gingival blood perfusion.
- Conditions
- Gingival Vascularization, Oral Soft Tissue Wound Healing, Laser Speckle Contrast Imaging, Periodontal Wound Healing
- Trial name
- LSCI (NCT07527351)
- Testing
- Laser Speckle Contrast Imaging
- Where
- Spain
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Universidad Complutense de Madrid
OCT Angiography, Retinal Microcirculation
Chorioretinal Imaging, Vascular Biomarkers, and Ultra-Trail: A Pilot Study
Retinal and choroidal microcirculation is a relevant biomarker of systemic vascular health and lies at the heart of eye-heart interactions.
- Conditions
- OCT Angiography, Retinal Microcirculation, Choroidal Microcirculation, Physical Exercion
- Trial name
- UTMA-RETINA (NCT07748936)
- Testing
- Retinal imaging evaluation of both eyes without dilation before and after the Mont Afrique Ultra Trail, Retinal imaging evaluation of both eyes without dilation, performed in two stages (T0 and T0+11/24H)
- Where
- France
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire Dijon
NIRS, Tissue Oxygenation
CHECK-NIRS2D-Study
The study investigates how external, physiological, and behavioral factors influence the measurement of regional tissue oxygenation using two-dimensional near-infrared spectroscopy (NIRS) imaging in healthy volunteers.
- Conditions
- NIRS, Tissue Oxygenation, Microvascular Perfusion, Vascular Occlusion Test
- Trial name
- NCT07854431
- Where
- Germany
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Heinrich-Heine University, Duesseldorf
Preeclampsia (PE), Hypertension ,Pregnancy
Retinal and Choroidal Microcirculation in Preeclampsia: An OCTA Study
Preeclampsia is a multisystemic and multifactorial disorder that complicates pregnancy and is characterized by new-onset hypertension after the 20th week of gestation accompanied by proteinuria or systemic findings such as renal…
- Conditions
- Preeclampsia (PE), Hypertension ,Pregnancy, Retinal Microvascular Changes, Hypertensive Disorders of Pregnancy
- Trial name
- PE-OCTA (NCT07874191)
- Where
- Turkey (Türkiye)
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Muğla Sıtkı Koçman University
Coronary Arterial Disease (CAD), Angina (Stable)
Effect of Beta-blockers on Coronary Flow and Resistance in Patients With ANOCA
The goal of this clinical trial is to learn whether beta-blockers can improve coronary blood flow and reduce resistance in patients with angina and no obstructive coronary arteries (ANOCA).
- Conditions
- Coronary Arterial Disease (CAD), Angina (Stable), Microvascular Circulation
- Trial name
- BEACON (NCT06864234)
- Testing
- Saline (NaCl), Metoprolol Tartrate
- Where
- Belgium
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- VZW Cardiovascular Research Center Aalst
Percutaneous Transluminal Angioplasty, Atherosclerosis of Arteries of the Extremities, Unspecified
Skin Microcirculation in Patients With Lower Limb Atherosclerosis
The aim of this study is to explore the ability of the non-invasive device ODI-Tech® to monitor changes in microvascular blood flow in patients with lower limb ischemia undergoing the procedure percutaneous transluminal…
- Trial name
- SMILLA (NCT07312383)
- Testing
- Examination with the ODI-Tech medical device
- Where
- Norway
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- ODI Medical AS
Microcirculation
The Effect of Photobiomodulation on Microvascular Blood Flow: The Role of Wavelength and Skin Temperature
The objective of this study is to assess peripheral microcirculatory hemodynamic responses to photobiomodulation in participants with normal circulation and with functional peripheral vasoconstriction, using noninvasive…
- Trial name
- PBM&MBF01 (NCT07338695)
- Testing
- Photobiomodulation - Blue Wavelength, Photobiomodulation - Near Infrared
- Where
- Israel
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Afeka, The Tel-Aviv Academic College of Engineering
Chronic Kidney Disease Patients
Glycocalyx and Oxidative Stress in Endothelial Function (Part 1)
The primary research objective of the project is to determine the role of eGC in microvascular reactivity in CKD (cross-sectional study 1).
- Trial name
- GlikoOxEND (NCT07437729)
- Where
- Croatia
- Volunteers
- 105 people, healthy volunteers welcome
- Sponsor
- Josip Juraj Strossmayer University of Osijek