Clinical trials: Peripheral Blood Flow
Central Serous Chorioretinopathy
Optical Coherence Tomography Angiography (OCT-A) and Central Serous Chorioretinopathy (CSC)
Optical Coherence Tomography Angiography (OCT-A) is a noninvasive imaging technique that allows one to see blood vessels in the retina.
- Trial name
- OPACITY (NCT03950089)
- Testing
- Optical Coherence Tomography Angiography (OCT-A)
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Hospices Civils de Lyon
Transcutaneous Monitoring, Microcirculation
Transcutaneous Monitoring of Oxygen and Carbon Dioxide in Surgical Patients
The study will investigate if non-invasive continuous transcutaneous blood gas monitoring can detect tissue perfusion and hypoxemia and the relation to other circulatory parameters such as pulse, blood pressure, cardiac output…
- Conditions
- Transcutaneous Monitoring, Microcirculation, Peripheral Perfusion, Tissue Metabolism
- Trial name
- NCT04040478
- Testing
- Transcutaneous monitoring
- Where
- Denmark
- Volunteers
- 30 people
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Hypercholesterolemia, Hypertension
Effects of Rosiglitazone on Blood Vessels in Patients With High Blood Pressure and High Cholesterol
Cells in the lining of blood vessels produce various substances that cause the vessels to dilate (relax) and constrict (tighten), thereby regulating blood flow.
- Trial name
- NCT00006071
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Tumor Blood Flow at Rest and During Exercise
Exercise and Tumor Blood Flow
This research aims at investigating tumor blood flow response to acute exercise in human cancer patients. It is hypothesized and expected that acute exercise increases tumor blood flow, which could plausibly increase the efficacy…
- Trial name
- EXETUMOR (NCT03987724)
- Testing
- Positron emission tomography (PET) imaging at rest and during supine bicycle exercise
- Where
- Finland
- Volunteers
- 8 people
- Sponsor
- Turku University Hospital
Regional Blood Flow
Choroidal Blood Flow and Progression of Age-Related Macular Degeneration in the Fellow Eye in Patients With Unilateral Choroidal Neovascularisation
Age-related macular degeneration (AMD) is the chief cause of severe and irreversible loss of vision in developed countries. The prevalence of AMD increases dramatically with age.
- Trial name
- NCT00808197
- Testing
- ocular blood flow measurement
- Where
- Austria
- Volunteers
- 41 people
- Sponsor
- Medical University of Vienna
Traumatic Brain Injury
Ketogenic Diet & Functional Recovery in Moderate to Severe Traumatic Brain Injury
Traumatic Brain Injury (TBI) represents a significant public health risk in the United States leaving many survivors with significant long term cognitive deficits and at risk for neurodegenerative diseases.
- Trial name
- NCT04530032
- Testing
- ketogenic/modified Atkins diet, Standard diet
- Where
- United States
- Volunteers
- 21 people
- Sponsor
- Loma Linda University
Hemodynamic Instability
An Optical Neuro-monitor of Cerebral Oxygen Metabolism and Blood Flow for Neonatology
Feasibility trial on the use of a hybrid optical device integrating time-resolved near-infrared spectroscopy (TRS) and diffuse correlation spectroscopy (DCS) for measurement of cerebral oxygen metabolism and blood flow in…
- Trial name
- BabyLux (NCT02815618)
- Testing
- BabyLux Neuro-monitor
- Where
- 2 sites in Denmark, Italy
- Volunteers
- 48 people
- Sponsor
- Gorm Greisen
Aerobic Exercise, Blood Flow Restriction Therapy
Effects of Aerobic Blood Flow Restriction
The aim is to evaluate the effects of aerobic blood flow restriction on academy football players. Randomized clinical trial, with two intervention groups: Experimental group I will carry out training based on running on the…
- Trial name
- NCT06105697
- Testing
- Blood flow restriction Running on Treadmill, Running on Treadmill
- Where
- 2 sites in Spain
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of the Balearic Islands
Postural Tachycardia Syndrome
Local Vasoconstriction in Postural Tachycardia Syndrome
The investigators study will determine how often blood flow regulation abnormalities and abnormalities of sympathetic regulation produced by nitric oxide, angiotensin-II, and oxidative stress occur in POTS and the mechanism(s) of…
- Trial name
- NCT01210430
- Testing
- Losartan, Ascorbic Acid (Vitamin C), Normal Saline
- Where
- United States
- Volunteers
- 74 people, healthy volunteers welcome
- Sponsor
- New York Medical College
Healthy
Effects of Miconazole on Blood Flow
This study will investigate the effect of the drug miconazole on blood vessel dilation. Miconazole stops production of EDHF, a substance that causes arteries to dilate. EDHF is produced by the cells that line blood vessels.
- Trial name
- NCT00004575
- Testing
- Miconazole, L-NMMA, Bradykinin
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Newborn, Infection
Comparison of Peripheral Perfusion Level Between Two Groups of Newborns According to Their Infectious Status Defined by the Criteria of the Center for Disease Control and Prevention (CDC)
Despite advances in medicine, secondary neonatal infection remains a continuing concern because of the associated high morbidity and mortality.
- Trial name
- NCT03117907
- Where
- France
- Volunteers
- 68 people
- Sponsor
- Centre Hospitalier Universitaire, Amiens
Patellar Dislocation, Knee Injuries
Blood Flow Restriction Training After Patellar INStability
This research study is designed to allow health care professionals and researchers to answer many questions about whether a new type of physical therapy called blood flow restriction training (called BFRT) will improve recovery…
- Conditions
- Patellar Dislocation, Knee Injuries, Leg Injury, Wounds and Injuries
- Trial name
- BRAINS (NCT04554212)
- Testing
- Blood Flow Restriction Training
- Where
- 4 sites in United States
- Volunteers
- 78 people
- Sponsor
- Caitlin Conley
Elastic Band Exercises, Blood Flow Restrictive Exercises, Tennis
Elastic Band Exercises With Blood Flow Restriction Technique in Tennis Players
Considering that therabant (elastic band) training combined with blood flow restriction exercises can be an effective training program for achieving muscle hypertrophy in practical applications, the aim of this study was to…
- Trial name
- NCT07676071
- Testing
- Blood flow restricts exercise, Elastic band exercises without occlusion
- Where
- Turkey (Türkiye)
- Volunteers
- 30 people
- Sponsor
- Akdeniz University
Infertility
Physiotherapy Treatment for Uterine Blood Flow Improved Dimensional Ultrasound Evaluated With Angiography
Ivanovski shows that by studying the vascular impedance can calculate the optimal uterine receptivity in IVF. A reduced vascular resistance and increased blood flow rate improves the chance of pregnancy. Dr. Luis T.
- Trial name
- NCT02437435
- Testing
- Reproductive Technique Gimilio
- Where
- Spain
- Volunteers
- 54 people
- Sponsor
- University of Valencia
Right Ventricular Dysfunction, Cardiopulmonary Diseases
Right Heart and Lung Blood Flow During Exercise (RIGHT-NET 2.0)
RIGHT-NET 2.0 is a multicenter observational study with a retrospective-prospective design that builds on the original RIGHT-NET study.
- Conditions
- Right Ventricular Dysfunction, Cardiopulmonary Diseases, Pulmonary Hypertension
- Trial name
- RIGHT-NET 2 (NCT07851610)
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- IRCCS SYNLAB SDN
Bowel Ischemia, Acute Bowel Ischemia / Infarction
Diagnosing Acute Onset Insufficient Intestinal Blood Flow (Bowel Ischemia) With a Novel CT Technique Called Dual-energy CT (DECT). This Observational Study Seeks to Evaluate Whether DECT Can Improve the Diagnosis of Bowel Ischemia and How the DECT Findings Correlate With Intraoperative Findings
The aim of this study is to evaluate the performance of dual-energy CT (DECT) in the diagnosis of acute bowel ischemia (ABI). ABI is a condition characterised by inadequate blood supply to portions of the intestine.
- Trial name
- NCT04561323
- Testing
- Dual-energy CT
- Where
- Denmark
- Volunteers
- 44 people
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Hypoperfusion in Newborn With Congenital Heart Disease
Cerebral Blood Flow in Neonates During Major Cardiac Surgery.
Rationale: During cardiac surgery, neonates are at high risk of cerebral damage: 36-78% will have new cerebral lesions after surgery.
- Trial name
- FLOWER (NCT04713605)
- Testing
- Critical closing pressure detection
- Where
- Netherlands
- Volunteers
- 80 people
- Sponsor
- UMC Utrecht
Neuro-Ophthalmology, Optic Neuropathies
Optic Nerve Head Evaluation Through Multimodal Blood Flow Analysis: a Prospective Observational, Multi-center Study
OCT-A and eco-colordoppler are technologies which enable optic nerve head (ONH) blood perfusion detection. The aim of the study is to assess ONH vascular and structural components in optic neuropathies with and without ONH edema…
- Conditions
- Neuro-Ophthalmology, Optic Neuropathies, Optic Atrophy, Hereditary, Leber, Optic Neuropathy, Anterior Ischemic
- Trial name
- FlowONH (NCT07075887)
- Volunteers
- 70 people
- Sponsor
- Barboni
Coronary Disease
Comparison of Echocardiographic Techniques in Diagnosis of Coronary Artery Disease
This study is designed to compare two different echocardiographic techniques in the evaluation of heart disease (coronary artery disease).
- Trial name
- NCT00001889
- Testing
- Myocardial contrast echocardiography, Stress echocardiography with dobutamine
- Where
- United States
- Volunteers
- 150 people
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Orthodontic Treatment
Curve of Spee: Speed of Leveling Using Different Orthodontic Archwires
The objectives if this study was to evaluate the efficacy of 3 different rectangular archwires in the correction of the curve of Spee (COS), to record the time needed to level excessive COS in the mandibular arch using the 3…
- Trial name
- NCT04549948
- Testing
- 0.017X0.025 Stainless steel, 0.019X0.025 Stainless steel, 0.021X0.025 B-Titanium archwire
- Where
- Jordan
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- Jordan University of Science and Technology