Clinical trials: Blood Circulation
Healthy Individuals
Effects of Exercises Combined With Blood Flow Restriction in Healthy Individuals
Purpose of the study is; to investigate the effect of exercises combined with blood flow restriction on strength, proprioception and functional motor performance in healthy individuals.
- Trial name
- NCT03401567
- Testing
- Exercise group
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Dokuz Eylul University
Chronic Fatigue Syndrome
Use of Sildenafil (Viagra) to Alter Fatigue, Functional Status and Impaired Cerebral Blood Flow in Patients With CFS
Use of Viagra to Alter Symptoms in Patients with Chronic Fatigue Syndrome (CFS)
- Trial name
- NCT00598585
- Testing
- Sildenafil (Viagra)
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Charles Drew University of Medicine and Science
Ageing, Blood Flow Restriction
Comparing Vascular Responses to Resistance Exercise with and Without Blood Flow Restriction in Young and Older Adults
Aging leads to declines in functional capacity and effort tolerance. Muscle strength remains stable from ages 25 to 50 but declines significantly after age 60, affecting activities like stair climbing and walking, reducing…
- Trial name
- HOLD TIGHT (NCT06596304)
- Testing
- Low intensity-resistance training with lower limb blood flow restriction, High Intensity Resistance Training
- Where
- 2 sites in Portugal
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Egas Moniz - Cooperativa de Ensino Superior, CRL
Dexmedetomidine, Sedation
Safety Exploration and Evaluation of Dexmedetomidine Hydrochloride Nasal Spray for Pre-anesthesia Sedation in Low-Monitoring Settings
The goal of this clinical trial is to assess the viability of dexmedetomidine hydrochloride nasal spray under minimal or no supervision and to further investigate novel clinical applications for this medication.
- Conditions
- Dexmedetomidine, Sedation, Safety, Preanesthetic Medication
- Trial name
- NCT07298525
- Testing
- Dexmedetomidine hydrochloride nasal spray
- Volunteers
- 564 people, healthy volunteers welcome
- Sponsor
- Sichuan Provincial People's Hospital
Dental Pulp Test
Diagnostic Device for the Assessment of Pulpal Blood Flow
The purpose of this study is to assess tooth health by using a pulse oximeter which measures the blood flow within the tooth. This method is not currently being used in dentistry.
- Trial name
- NCT03578549
- Testing
- Pulse Oximetry
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Michigan
Neonatal Respiratory Distress
Effect of Antenatal Steroid on Pulmonary Artery Blood Flow
The aim of this study is to determine the effect of administering antenatal steroids in term fetuses on the blood flow in the fetal pulmonary artery, and to correlate these findings with clinical data obtained after birth…
- Trial name
- NCT02978976
- Testing
- Betamethasone, saline
- Where
- Egypt
- Volunteers
- 126 people, healthy volunteers welcome
- Sponsor
- Kasr El Aini Hospital
Child, Only, Essential Hypertension
Juvenile Essential Arterial Hypertension and Vascular Function
The main goal of this study is to investigate the association of the juvenile essential arterial hypertension with systemic micro- and macrovascular reactivity and cerebral vascular function, and to examine the potential impact…
- Trial name
- NCT05109013
- Where
- Croatia
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Josip Juraj Strossmayer University of Osijek
Pruritus
Dermal Blood Flow Response to Escalating Doses of Histamine, Administered by a Skin Prick
To determine the effective dose and the time course, the dermal blood flow response to histamine will be evaluated at different doses (5 µg, 15 µg and 50 µg).
- Trial name
- NCT04399213
- Testing
- 50 µg Histamine, 15 µg Histamine, 5 µg Histamine
- Where
- Belgium
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
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
Solid Tumour
A Study to Evaluate the Amount of Drug That Becomes Available in the Blood Circulation When Savolitinib is Administered Alone and in Combination With Itraconazole
This study will be conducted to quantify the magnitude of the effect of itraconazole co-administration on the PK of savolitinib.
- Trial name
- NCT04121910
- Testing
- Savolitinib, Itraconazole
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- AstraZeneca
Hypoglycemia, Cerebral Blood Flow
External Carotid Blood Flow in Individuals With Post-Bariatric Hypoglycemia
This is a pilot study (small-scale study) that aims to understand more about how blood flow changes in people who have low blood sugar after bariatric surgery (post-bariatric hypoglycemia) compared to those who have had surgery…
- Trial name
- NCT07082478
- Testing
- in-ear device measuring blood flow
- Where
- United States
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- Joslin Diabetes Center
Healthy, Brain Insulin Sensitivity
Long-Term Effects of Walnut Consumption on Brain Function
Rationale: Healthy foods, including mixed nuts, may improve brain function, which is essential for cognitive and metabolic health, and may contribute to improved food intake regulation.
- Conditions
- Healthy, Brain Insulin Sensitivity, Cerebral Blood Flow, Brain Vascular Function
- Trial name
- WalBrain (NCT07422220)
- Testing
- Walnuts
- Where
- Netherlands
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Focus is on Healthy Subjects
Validation of Pulse Wave Doppler Demodulation Algorithm for the Continuous, Non-invasive Measurement of Blood Flow Velocity
The investigators hypothesize that performance of fast-Fourier transformation on the raw Doppler signals obtained from ascending aortic blood flow will recreate the pulse wave Doppler trace visualized on modern echocardiography…
- Trial name
- NCT01750125
- Testing
- measure ascending aortic blood flow with pulse wave Doppler
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Virginia
Deep Vein Thrombosis, Pulmonary Embolism
Venous Blood Flow Velocity: Electrical Foot Stimulation Compared to Intermittent Pneumatic Compression of the Foot
Electrical stimulation of the foot can increase blood flow out of the leg. This increased blood flow can prevent blood clots from forming in the leg veins.
- Trial name
- NCT00114608
- Testing
- The Focus™ Neuromuscular Stimulation System
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University at Buffalo
Multiple Sclerosis, Relapse
Coagulation/Complement Activation and Cerebral Hypoperfusion in Relapsing-remitting Multiple Sclerosis
This is a multi-center, prospective, controlled study. MS patients (1° group: 30 patients in relapse; 2° group: 30 patients in remission) and age/sex-matched healthy controls (3° group: 30 subjects) will be enrolled in the study.
- Trial name
- NCT04380220
- Testing
- Blood samples and processing
- Where
- 3 sites in United States, Italy
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Regina Elena Cancer Institute
Cardiovascular Diseases, Hypertension
The Impact of KETO5 XOGenius Beverage on Markers of Physiological and Neurocognitive Health
The primary objectives of this application are to 1) investigate the effect of increased daily consumption of the Keto5 XOGenius beverage on outcomes associated with elevated risk for various neurocognitive and pathophysiological…
- Conditions
- Cardiovascular Diseases, Hypertension, Cognitive Decline, Diet
- Trial name
- NCT06318390
- Testing
- XO Genius
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- The University of Texas at Arlington
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
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
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
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