Clinical trials: Microcirculation, open to volunteers
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
Peripheral Artery Disease (PAD), CT Perfusion
Clinical Value of CT Perfusion in Peripheral Artery Disease
Peripheral artery disease (PAD) affects millions worldwide and can lead to serious complications such as leg ulcers, gangrene, and amputation.
- Conditions
- Peripheral Artery Disease (PAD), CT Perfusion, Revascularization, Microcirculation
- Trial name
- iPAD (NCT07816757)
- Volunteers
- 200 people
- Sponsor
- Fudan University
Septic Shock, Microcirculatory Dysfunction
Papaverine and Sublingual Microcirculation in Septic Shock
This is a prospective, multicenter, single-arm, open-label, pilot physiological study designed to evaluate the effects of intravenous papaverine on sublingual microcirculation and the vascular waterfall phenomenon in adult…
- Conditions
- Septic Shock, Microcirculatory Dysfunction, Sublingual Microcirculation, Hemodynamic Instability
- Trial name
- NCT07657741
- Testing
- Papaverine
- Where
- 2 sites in China
- Volunteers
- 20 people
- Sponsor
- First Affiliated Hospital of Wannan Medical College
ICU Acquired Weakness, Sepsis
ICU Combined Assessment of Cardio-Respiratory Exercise
This study aims to investigate how sepsis and critical illness can impair the cardiovascular system and microcirculation in intensive care unit (ICU) patients, which can lead to long-lasting muscle weakness/dysfunction or…
- Conditions
- ICU Acquired Weakness, Sepsis, Shock, Critical Illness
- Trial name
- ICU-CARE (NCT06193980)
- Where
- 2 sites in Canada
- Volunteers
- 50 people
- Sponsor
- University of Manitoba
Anemia in Patients Undergoing Gastric Cancer Surgery Under Goal-directed Fluid Therapy, Macro-microcirculation Uncoupling
Anemia on Sublingual Microcirculation in GDFT
The goal of this observational study is to learn about the effects of anemia on sublingual microcirculation in patients undergoing goal-directed fluid therapy (GDFT) during surgery.
- Trial name
- NCT07583927
- Testing
- No intervention
- Where
- China
- Volunteers
- 54 people
- Sponsor
- Fudan University
Coronary Artery Disease, Microcirculation Resistance
COronoary Microcirculation Analysis NETwork
COMA.NET (Coronary Microcirculation Analysis Network) is a prospective, randomized, open-label, parallel-group clinical trial designed to determine whether endotype-guided pharmacotherapy is superior to standard care in improving…
- Conditions
- Coronary Artery Disease, Microcirculation Resistance, Microcirculation; Biomarkers; Myocardial Ischemia, Microcirculatory Dysfunction
- Trial name
- COMA-NET (NCT07498231)
- Testing
- Coronary microvascular function assessment
- Where
- Poland
- Volunteers
- 180 people
- Sponsor
- Medical University of Bialystok
Venous Congestion, Microcirculation
Evaluation of the Microcirculatory Response to Fluids in Critically Ill Patients With Venous Congestion: A Prospective Observational Study
The hypothesis is that fluid-responsive patients who show signs of venous congestion experience a worsening of microcirculatory status after fluid administration compared to patients without signs of venous congestion
- Conditions
- Venous Congestion, Microcirculation, Volume Expansion
- Trial name
- MICRO-CONGEST (NCT07499401)
- Testing
- fluid challenge
- Where
- Italy
- Volunteers
- 30 people
- Sponsor
- Università Politecnica delle Marche
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
Sepsis, Emergency Care
Hemodynamic Evaluation Using Microcirculation for Early Treatment of Septic Patients
Despite early treatment, the deterioration and mortality of sepsis patients remains high. A possible explanation could be persistent tissue hypoperfusion, or undetected in the early phase despite the normalization of…
- Conditions
- Sepsis, Emergency Care, Microcirculation
- Trial name
- HEMOCAP (NCT06910891)
- Testing
- measurement of the peripheral perfusion index and marbling assessment
- Where
- 6 sites in France
- Volunteers
- 556 people
- Sponsor
- University Hospital, Limoges
Fluid Therapy, Microcirculation
The Impact of Intra-operative Fluid Infusion Rate on Microcirculation
Intraoperative fluid therapy (IFT) is an integral part of anesthesia care during surgery. Its main indication is the optimization of oxygen supply to the tissues.
- Conditions
- Fluid Therapy, Microcirculation, Hemodilution
- Trial name
- NCT05606536
- Testing
- Crystalloid Solutions
- Where
- Czechia
- Volunteers
- 80 people
- Sponsor
- University Hospital Hradec Kralove
Urethral Perfusion Index, Tissue Perfusion
Urethral PeRfusion Index-Guided Hemodynamic ManagemenT in Patients Having Major Abdominal Surgery: the UPRIGHT Randomized Feasibility Trial
We will perform this single-center pilot trial to determine if the intraoperative urethral perfusion index is higher in patients assigned to maintaining postinduction baseline urethral perfusion index than in patients assigned to…
- Conditions
- Urethral Perfusion Index, Tissue Perfusion, Microcirculation
- Trial name
- UPRIGHT (NCT06799832)
- Testing
- urethal perfusion index monitoring
- Where
- 2 sites in Germany
- Volunteers
- 116 people
- Sponsor
- Universitätsklinikum Hamburg-Eppendorf