Clinical trials: Peripheral Blood Flow
Retinal Blood Flow
Measurement of Total Retinal Blood Flow and Oxygen Extraction in Patients With Diabetes and Healthy Subjects
The prevalence of diabetes and diabetes-associated complications is still increasing. Several major long-term complications of diabetes such as cardiovascular disease, chronic renal failure, diabetic retinopathy and others relate…
- Trial name
- NCT03552562
- Testing
- Fourier Domain Color Doppler Optical Coherence Tomography (FDOCT)
- Where
- Austria
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Heart Transplantation
Myocardial Perfusion Echocardiography to Detect Human Heart Transplant Rejection
The primary objective of this proposal is to show the efficacy of contrast enhanced ultrasonography in detecting heart transplant rejection in humans.
- Trial name
- NCT02300870
- Testing
- Optison
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Brigham and Women's Hospital
Polycystic Ovary Syndrome, Infertility, Female
Effect of Nitric Oxide Donors on Uterine and Subendometrial Blood Flow in Patients With Unexplained Infertility
The purpose of the study to evaluate effect of nitroglycerin trans-dermal patches on uterine and sub-endometrial blood flow in women with unexplained infertility.
- Trial name
- NCT03481582
- Testing
- Nitroglycerin, Three dimensional power doppler
- Where
- Egypt
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
Cognitive Function, Mood
The Effects of Efalex Active 50+ on Cognitive Performance, Well-being and Cerebral Hemodynamics in Healthy Older Adults
Dietary intake of omega-3 polyunsaturated fatty acids (n-3 PUFAs) is inversely associated with cognitive decline and dementia (e.g. Kalmijn et al. 2004, Heude et al. 2003, Morris et al. 2005, Dullemeijer et al. 2009).
- Conditions
- Cognitive Function, Mood, Well-being, Cerebral Blood Flow
- Trial name
- NCT01185379
- Testing
- Efalex active 50+, DHA rich fish oil
- Where
- United Kingdom
- Volunteers
- 261 people, healthy volunteers welcome
- Sponsor
- Northumbria University
Patellar Abnormality
The Effect of Blood Flow Restriction Method in Patellar Instability
The blood flow restriction method, the effects of which have been frequently investigated in the literature in recent years, can produce muscle hypertrophy with low-intensity load and can be easily tolerated through to low…
- Trial name
- NCT05484141
- Testing
- Rehabilitation with blood blow restriction, Rehabilitation without blood flow restriction
- Volunteers
- 34 people
- Sponsor
- Biruni University
Anterior Cruciate Ligament Injuries
Effect of Blood Flow Restriction Technique After Anterior Cruciate Ligament Reconstruction
The purpose of this study will be to evaluate the effect of adding BFR (using 80% of LOP) to the conventional physical therapy program on knee function, functional test, balance, quadriceps and hamstrings muscles strength, thigh…
- Trial name
- NCT06437470
- Testing
- blood flow restriction technique
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- Cairo University
Cataract, Hypertension
Effect of Phacoemulsification on Ocular Blood Flow in Human
To investigate ocular haemodynamics after phacoemulsification surgery To evaluate the influence in people with different autoregulation of ocular blood flow
- Conditions
- Cataract, Hypertension, Diabetes
- Trial name
- NCT01305005
- Where
- China
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- yin ying zhao
Bone Blood Flow Regulation
Exploration of Blood Flow Regulation to Bone in Humans
Without blood flow, bone cannot maintain its integrity. Bone blood flow responds to various local and systemic factors, however, bone perfusion in humans remains relatively unstudied.
- Trial name
- NCT04083794
- Testing
- Laboratory based assessments
- Where
- United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Spaulding Rehabilitation Hospital
Anesthesia-induced Negative Hemodynamic Effects
Atropine-effect During Propofol/Remifentanil Induction
Remifentanil is a widely used potent intravenous opioid with the advantage of having a short time of action. Compared to other opiates however remifentanil generates more intense hemodynamic side-effects.
- Trial name
- NCT01871922
- Testing
- Atropine
- Where
- Netherlands
- Volunteers
- 60 people
- Sponsor
- University Medical Center Groningen
Traumatic Brain Injury, Cerebral Hemorrhage
TCD Detection of Ophthalmic Artery Blood Flow Velocity Prediction Feasibility Study of Intracranial Pressure
Increased intracranial pressure is a cause of disease progression in patients with brain disease, a common cause of poor prognosis.
- Conditions
- Traumatic Brain Injury, Cerebral Hemorrhage, Increased Intracranial Pressure
- Trial name
- NCT02240394
- Where
- China
- Volunteers
- 400 people
- Sponsor
- Shanghai Jiao Tong University Affiliated Sixth People's Hospital
Esophagus Cancer, Esophageal Cancer
Utility and Usability of ActivSight™ Laser Speckle Imaging in Visualization of Tissue Perfusion and Blood Flow During Esophageal Surgery in Humans
ActivSight™ combines an innovative form factor and proprietary software to deliver precise, objective, real-time visualization of blood flow and tissue perfusion intraoperatively for laparoscope-based surgery.
- Conditions
- Esophagus Cancer, Esophageal Cancer, Esophageal Neoplasms, Esophageal Diseases
- Trial name
- NCT05591053
- Testing
- ActivSight
- Where
- 2 sites in United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Activ Surgical
Hypertension
Telmisartan, Amlodipine and Flow Mediated Dilation
To show superior effects of the combination Telmisartan and Amlodipine (T and A) vs Olmesartan and Hydrochlorothiazide (O and HCTZ) on endothelial dysfunction as measured by flow mediated dilation (FMD) in hypertensive at risk…
- Trial name
- TEAMSTAprotect (NCT01180205)
- Testing
- Telmisartan, Amlodipine, Olmesartan medoxomil
- Where
- Germany
- Volunteers
- 576 people
- Sponsor
- Johannes Gutenberg University Mainz
Hepatic Flow Changes
Hepatic Blood Flow Changes During Fluid Challenge Assessed by MRI in Volunteers Subjects.
Hepatic artery and portal flows are both regulated to assume the whole hepatic blood flow. Each counts for respectively 25% and 75%.
- Trial name
- PORTEAU (NCT03589261)
- Testing
- MRI (magnetic resonance imaging)
- Where
- France
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire, Amiens
Diabetes Mellitus, Type 1, Hypertension
Correlation of Flicker Induced and Flow Mediated Vasodilatation in Patients With Endothelial Dysfunction and Healthy Volunteers.
A couple of studies have shown that illuminating the eye with diffuse flickering light is accompanied by an increase of retinal vessel diameters, optic nerve head blood flow and retinal blood flow.
- Conditions
- Diabetes Mellitus, Type 1, Hypertension, Hypercholesterolemia, Regional Blood Flow
- Trial name
- NCT00432029
- Testing
- Forearm blood flow measurement, Flow mediated dilation (FMD), Zeiss Retinal Vessel Analyzer (RVA), Stimulation with Flicker-light
- Where
- Austria
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Choroid, Retina
Effect of Different Intensities of Repeated Low-Level Red-Light Therapy on Choroidal and Retinal Blood Flow Among Adults
The purpose of this clinical trial is to evaluate the effect of different intensities of repeated low-level red-light (RLRL) therapy on the choroidal and retinal blood flow among adults.
- Trial name
- NCT05747742
- Testing
- RLRL device
- Where
- China
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- The Second People's Hospital of Foshan
Healthy
Role of Nitric Oxide in Optic Nerve Head Blood Flow Regulation During Experimental Increase of Intraocular Pressure in Healthy Humans
Autoregulation is defined as the ability of a vascular bed to adapt its vascular resistance to changes in perfusion pressure. In the eye, several studies have reported that retinal blood flow is autoregulated over a wide range of…
- Trial name
- NCT00914394
- Testing
- NG-monomethyl-L-arginine (L-NMMA), Phenylephrine, Laser Doppler Flowmetry
- Where
- Austria
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Renal Injury
The Effect of Neuromuscular Electrical Stimulation (NMES) on the Renal Function and Renal Blood Flow
A randomized prospective controlled study aims to evaluate the effect of neuromuscular electrical stimulation on the renal function and renal blood flow of post partum women with acute kidney injury.
- Trial name
- NMES (NCT04580329)
- Testing
- neuromuscular electrical stimulation (NMES) in addition to routine hospital care, routine hospital care without NMES
- Where
- 2 sites in Egypt
- Volunteers
- 60 people
- Sponsor
- Ahmed talaat ahmed aly
Regional Blood Flow
GLP-2 (Glucagonlike Peptide-2) and Blood Flow
It is the study aim to investigate the effect of glp-2 on blood flow in humans. we wish to study eventual changes in renal blood flow, carotic blood flow and cardiac out put.
- Trial name
- NCT00540215
- Testing
- Glucagonlike peptide
- Where
- Denmark
- Volunteers
- 15 people
- Sponsor
- Glostrup University Hospital, Copenhagen
Amblyopia, Regional Blood Flow
Amblyopia and Neurovascular Coupling in the Retina of Humans
The visual disorder of amblyopia affects 2% to 3% of the population. Amblyopia is a developmental condition that is characterized by reduced vision of the eye due to the presence of a sensory impediment during visual development…
- Trial name
- NCT00312390
- Testing
- Flicker, Retinal Vessel Diameter, Retinal Blood Flow
- Where
- Austria
- Volunteers
- healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Rheumatoid Arthritis
The Effects Of Low Intensity Training With Blood Flow Restriction In Rheumatoid Arthritis Patients
Rheumatoid arthritis (RA) patients showed systemic manifestations that may lead to a reduction in muscle strength, muscle mass and, consequently, to a reduction in physical function.
- Trial name
- TBFR (NCT05869370)
- Testing
- High intensity resistance training, Low intensity resistance training combined with blood flow restriction
- Where
- Brazil
- Volunteers
- 28 people
- Sponsor
- Federal University of Rio Grande do Sul