Clinical trials: Blood Circulation
Pulmonary Hypertension, Familial Persistent, of the Newborn
A Study To Evaluate Safety And Efficacy Of IV Sildenafil In The Treatment Of Neonates With Persistent Pulmonary Hypertension Of The Newborn
This study will evaluate whether IV sildenafil can reduce the time on inhaled nitric oxide treatment and reduce the failure rate of available treatments for persistent pulmonary hypertension of the newborn.
- Trial name
- NCT01720524
- Testing
- iv sildenafil
- Where
- 42 sites in United States, Belgium and 10 more
- Volunteers
- 59 people
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Bacteremia, Fungemia
Rapid Identification and Susceptibility Testing of Pathogens From Blood Cultures
Would rapid identification of bacteria and rapid detection of methicillin-resistant S. aureus (MRSA) and vancomycin-resistant enterococci (VRE) (using an FDA-cleared assay) in positive blood culture bottles improve patient care…
- Conditions
- Bacteremia, Fungemia, Bloodstream Infection
- Trial name
- NCT01898208
- Testing
- FilmArray testing, Antimicrobial Stewardship, Bacterial culture
- Where
- United States
- Volunteers
- 743 people
- Sponsor
- Mayo Clinic
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
Liver Failure, Liver Transplantation
Autoregulation Assessment During Liver Transplantation
Patients with liver failure undergoing liver transplantation often have clinical or sub-clinical encephalopathy that may lead to increased intracranial pressure.
- Conditions
- Liver Failure, Liver Transplantation, Encephalopathy
- Trial name
- NCT01425385
- Testing
- Near infrared spectroscopy monitoring, Autoregulation monitoring
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Johns Hopkins University
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
Coronary Artery Disease
HeartFlowNXT - HeartFlow Analysis of Coronary Blood Flow Using Coronary CT Angiography
To determine the diagnostic performance of FFRCT by coronary computed tomographic angiography (cCTA), as compared to cCTA alone, for non-invasive determination of the presence of a hemodynamically significant coronary lesion…
- Trial name
- HFNXT (NCT01757678)
- Testing
- ICA (Invasive Coronary Angiography), FFR (Fractional Flow Reserve), cCTA (coronary computed tomography angiography)
- Where
- Denmark
- Volunteers
- 276 people
- Sponsor
- HeartFlow, Inc.
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
Stroke Ischemic, Stroke Acute
Posterior Circulation ASTRAL Prognostic Score
The goal of this study is to develop a prognostic score for ischemic posterior circulation strokes, based on our previous work on with the ASTRAL scores (Acute STroke Registry and Analysis of Lausanne) on overall stroke…
- Conditions
- Stroke Ischemic, Stroke Acute, Posterior Circulation Brain Infarction, Risk Score
- Trial name
- NCT05906420
- Testing
- ASTRAL prognostic score
- Where
- 2 sites in Greece, Switzerland
- Volunteers
- 2,000 people
- Sponsor
- University of Thessaly
Osteogenesis Imperfecta, Type I
An Interventional Study to Evaluate the Impact of Blood Flow Restriction Training on Muscle, Bone, and Quality of Life in Adults With Osteogenesis Imperfecta Type I
Background: Due to fear of injury and risk of fractures, many people with osteogenesis imperfecta (OI) avoid vigorous exercise that is likely to improve muscle and bone weakness common in this disorder.
- Trial name
- NCT07478224
- Testing
- Blood flow restriction training
- Where
- Belgium
- Volunteers
- 40 people
- Sponsor
- University Hospital, Ghent
Defective; Circulation
Study of Low Level Laser Light Therapy to Improve Blood Circulation in People With Chronic Heel Pain
The purpose of this study is to determine whether low level laser light therapy is effective in increasing local blood circulation in people with chronic heel pain arising from plantar fasciitis.
- Trial name
- NCT01882725
- Testing
- Erchonia HP Scanner (HPS)
- Where
- United States
- Volunteers
- 14 people
- Sponsor
- Erchonia Corporation
Extracorporeal Circulation; Complications
Preoperative Evaluation of Microcirculation for Prediction of Complications After Cardiac Surgery
Cardiac surgery is responsible for many complications. Microcirculation is involved in many of them. The objective of this study is to prospectively investigate the prognostic value of preoperative microcirculatory assessment in…
- Trial name
- MONS (NCT03631797)
- Testing
- Microvascular reactivity evaluation
- Where
- France
- Volunteers
- 60 people
- Sponsor
- University Hospital, Angers
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
Coronary Artery Disease
xSPECT-based Myocardial Perfusion Scintigraphy: Consistency of Functional Values and Feasibility of Myocardial Uptake Quantitation in Patients With Suspected Coronary Artery Disease
This study is to evaluate the feasibility of myocardial Standardized Uptake Volume (SUV) assessment by means of X- (Single photon emission tomography) SPECT/Computed tomography (CT), to assess normal reference value under rest…
- Trial name
- xSPECT MPI (NCT04583787)
- Testing
- 99mTc-sestamibi myocardial perfusion SPECT, 82Rb-Chloride myocardial perfusion PET with CCTA
- Where
- Switzerland
- Volunteers
- 52 people
- Sponsor
- University Hospital, Basel, Switzerland
Coronary Artery Disease, Systemic Inflammation
MIECC vs Conventional Cardiopulmonary Bypass and Systemic Inflammation in CABG
This prospective observational study evaluates the effects of minimally invasive extracorporeal circulation (MIECC) and conventional cardiopulmonary bypass on systemic inflammatory response in patients undergoing coronary artery…
- Trial name
- MIECC-CABG (NCT07823400)
- Testing
- Minimally Invasive Extracorporeal Circulation, Conventional Cardiopulmonary Bypass
- Where
- Turkey (Türkiye)
- Volunteers
- 90 people
- Sponsor
- Bursa Yuksek Ihtisas Training and Research Hospital
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