Clinical trials: Blood Circulation
Coronary Artery Disease
Development and Translation of Generator-Produced PET Tracer for Myocardial Perfusion Imaging-Dosimetry Group
This study is a single center, early phase 1 clinical imaging study designed to assess the dosimetry of 68Ga-Galmydar for PET/CT imaging.
- Trial name
- GALMYDAR (NCT05280782)
- Testing
- Ga-68 Galmydar
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
Coronary Artery Disease
Multi-Center Evaluation of Feasibility of SPECT Measurement of Myocardial Blood Flow and Reserve
Patients will be recruited from those referred to the local site's Diagnostic Imaging Department for SPECT myocardial perfusion imaging (MPI) ,who have an intermediate to high pre-test likelihood of disease (Diamond-Forrester…
- Trial name
- NCT03427749
- Testing
- SPECT Imaging with 99mTc-Tetrofosmin Research Imaging
- Where
- 7 sites in Belgium, Canada and 4 more
- Volunteers
- 35 people
- Sponsor
- Ottawa Heart Institute Research Corporation
Hypertension
Safety and Efficacy of Valsartan vs Atenolol and Hydrochlorothiazide Combination on Blood Flow in Hypertensive Patients
This study evaluated the effect of valsartan on small vessel blood flow in patients with mild-to-moderate hypertension in direct comparison to atenolol and hydrochlorothiazide.
- Trial name
- NCT00396656
- Testing
- Atenolol, Hydrochlorothiazide (HCTZ)), Valsartan
- Where
- 2 sites in Germany, Switzerland
- Volunteers
- 30 people
- Sponsor
- Novartis
Persistent Pulmonary Hypertension of the Newborn
Remodulin as Add-on Therapy for the Treatment of Persistent Pulmonary Hypertension of the Newborn
This study assessed the safety and treatment effect of intravenous (IV) Remodulin as an add-on therapy in neonates with persistent pulmonary hypertension of the newborn (PPHN).
- Trial name
- NCT02261883
- Testing
- IV Remodulin
- Where
- 14 sites in United States
- Volunteers
- 42 people
- Sponsor
- United Therapeutics
Complication of Extracorporeal Circulation, Renal Impairment
Renal Perfusion, Filtration and Oxygenation During Cardiopulmonary Bypass (CPB)
Acute kidney injury is a common complication after cardiac surgery with cardiopulmonary bypass (CPB). This study aims to investigate the effects of CPB on renal perfusion, filtration and oxygenation.
- Trial name
- ECCSTUD (NCT02405195)
- Testing
- cardiopulmonary bypass
- Where
- Sweden
- Volunteers
- 28 people
- Sponsor
- Sahlgrenska University Hospital
Coronary Artery Disease
PET MYOCARDIAL Blood Flow Comparison to Coronary CTA and CT-FFR
The broad, long-term objective of this pilot study is to develop an optimal, clinically usable, non-invasive evaluation of Coronary Artery Disease (CAD) in the setting of stable angina which provides both anatomic and functional…
- Trial name
- NCT05349084
- Testing
- PET-cCTA-cFFR
- Where
- United States
- Volunteers
- 21 people
- Sponsor
- Washington University School of Medicine
Acute Ischemic Stroke
Hypothermia in Acute Stroke With Thrombolysis Imaging Evaluation of Revascularization
The primary objective of this Phase 2 HASTIER study, as an ancillary study to ICTuS 2, is to compare key imaging measurements for serial changes in recanalization and reperfusion between hypothermia and normothermia treatment…
- Trial name
- HASTIER (NCT01778855)
- Testing
- IV t-PA and normothermia, IV-tPA and hypothermia
- Where
- 3 sites in United States
- Volunteers
- 6 people
- Sponsor
- University of California, Los Angeles
Chronic Kidney Diseases
Cerebrovascular Dysregulation in Chronic Kidney Disease
The purpose of this study is to test whether or not regular exercise training may improve brain blood flow regulation in patients with chronic kidney disease (CKD).
- Trial name
- NCT05571605
- Testing
- Exercise, Stretching
- Where
- United States
- Volunteers
- 11 people
- Sponsor
- University of North Texas, Denton, TX
Healthy Brain Perfusion
Improving Human Cerebrovascular Function Using Acute Intermittent Hypoxia
This study uses magnetic resonance imaging to determine whether 3 weeks of repeated exposure to Acute Intermittent Hypoxia can improve brain blood flow or blood flow regulation in healthy adults.
- Trial name
- NCT05164705
- Testing
- Acute Intermittent Hypoxia
- Where
- United States
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Northwestern University
Restless Legs Syndrome, Neuropathic Pain
Spinal Cord Stimulation for Restless Legs Syndrome
The overall goal of this proposed study is to evaluate the underlying mechanisms of neural control of blood flow in the lower extremities in humans with restless leg syndrome (RLS).
- Trial name
- NCT03539081
- Testing
- Dual-energy X-ray absorptiometry Scan, Laboratory Measurements, Blood Flow Measurement
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Marshall Holland
Exercise Training, Hemodynamic Response
The Impact of Blood Flow Restriction (BFR) on Exercise and Hemodynamic Responses
The impact of blood flow restriction (BFR) on exercise and hemodynamic responses will be studied. The use of BFR will be studied during yoga and low-intensity aerobic exercise in healthy subjects with no history of chronic…
- Trial name
- NCT03540147
- Testing
- Hokanson Cuffs, BStrong Bands
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Texas at Austin
Tobacco Abuse Smoke
Effect of an Inhaled Glucocorticosteroid (ICS) on Endothelial Dysfunction in Cigarette Smokers
The hypothesis underlying the proposed study is that the blunted endothelium-dependent vasodilation seen in the airway of current smokers is also present in the brachial artery, and that the same inhaled corticosteroid (ICS)…
- Trial name
- NCT01216735
- Testing
- Fluticasone
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University of Miami
Blood Flow Restriction, draw-in Maneuver
Blood Flow Restriction Training Combined With Abdominal draw-in Maneuver on Transverse Abdominis Strengthening
This study expects to provide a new alternative way to improve the muscle activation, strength and activation of transverse abdominis in abdominal draw-in maneuver combined with blood flow restriction.
- Conditions
- Blood Flow Restriction, draw-in Maneuver, Transverse Abdominis
- Trial name
- NCT04270695
- Testing
- blood flow restriction
- Where
- Taiwan
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- China Medical University Hospital
Alzheimer's Disease
Endothelial Facilitation in Alzheimer's Disease
Purpose of the study: Patients with mild Alzheimer's Disease will be given three different drugs over a 4-month period to try to increase the blood flow to their brains, and improve blood vessel and brain function.
- Trial name
- NCT01439555
- Testing
- Simvastatin, L-Arginine, Tetrahydrobiopterin
- Where
- United States
- Volunteers
- 11 people
- Sponsor
- University of Massachusetts, Worcester
Cognitive Function, Mood
Effects of Epigallocatechin Gallate (EGCG) in Healthy, Young Adults
Epigallocatechin gallate (EGCG) is the most abundant catechin (sometimes referred to as tea flavonoids) in green tea extract. A review by Nagle et al (2006) identifies that a large amount of research indicates EGCG (amongst other…
- Trial name
- NCT00981292
- Testing
- EGCG
- Where
- United Kingdom
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Northumbria University
Hyperthermia, Cocaine Use
Intranasal Cocaine and Temperature Regulation During Exercise
Assess the effects of intranasal cocaine on temperature regulation and whole-body sweat rate during exercise in warm environmental conditions.
- Conditions
- Hyperthermia, Cocaine Use, Exercise
- Trial name
- NCT05809453
- Testing
- Cocaine, Lidocaine
- Where
- United States
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Lateral Epicondylitis
Trial of Blood Flow Restriction Plus Physical Therapy vs. Physical Therapy Alone for Lateral Epicondylitis
Open label randomized controlled trial comparing evidenced based physical/occupational therapy vs. physical/occupational therapy including blood flow restriction tourniquet in the treatment of lateral epicondylitis (tennis elbow).
- Trial name
- NCT03978897
- Testing
- Blood flow restriction tourniquet, Evidence based physical/occupational therapy
- Where
- United States
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Cleveland Clinic Akron General
Cerebrovascular Disorders
Brain Blood Flow Responses to Stress: Sex Differences
Twenty-six otherwise healthy adults between 18-40 years of age composed of 13 males and 13 females will be enrolled in this study to determine how sex and sex hormones influence cerebral blood flow (CBF) control in healthy young…
- Trial name
- NCT06253702
- Testing
- Indomethacin, Orilissa, Testosterone gel
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Persistent Fetal Circulation Syndrome
Pharmacokinetic Study of Milrinone in Babies With Persistent Pulmonary Hypertension of the Newborn
The purpose of this pilot study is to determine a safe dose of milrinone to use in a larger study of babies with persistent pulmonary hypertension of the newborn (PPHN).
- Trial name
- NCT01088997
- Testing
- Milrinone Lactate
- Where
- 2 sites in United States
- Volunteers
- 12 people
- Sponsor
- Children's Hospital of Philadelphia
Haemodialysis-induced Symptom
Cerebral Blood Flow During Hemodialysis
The purpose of this study is to evaluate the effect of the hemodialysis procedure on cerebral blood flow (CBF) in elderly maintenance hemodialysis (HD) patients.
- Trial name
- NCT02272985
- Testing
- [15O]H2O PET-CT scan, NIRS (Invos)
- Where
- Netherlands
- Volunteers
- 15 people
- Sponsor
- University Medical Center Groningen