Clinical trials: Blood Circulation Disorder
Coronary Heart Disease
Cadmium-zinc-telluride (CZT) Imaging of Myocardial Blood Flow (MBF) (SPECT MBF)
This study is being done to compare the blood flow measurements obtained with the SPECT and PET imaging scans. Measurements such as myocardial blood flow (MBF) and myocardial flow reserve (MFR) are analyzed on PET scans.
- Trial name
- SPECTMBF (NCT02280941)
- Testing
- single photon emission computed tomography
- Where
- Canada
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- Ottawa Heart Institute Research Corporation
Spinal Cord Injury, Autonomic Dysreflexia
The Effects of Normalizing Blood Pressure on Cerebral Blood Flow in Hypotensive Individuals With Spinal Cord Injury
Dysregulation of blood pressure (BP), secondary to decentralized autonomic nervous system (ANS) control of the cardiovascular system, often results in chronic hypotension and orthostatic hypotension (OH) in persons with spinal…
- Conditions
- Spinal Cord Injury, Autonomic Dysreflexia, Baroreceptor Integrity, Sympathetic Integrity
- Trial name
- NCT02893553
- Testing
- Midodrine Hydrochloride, Pyridostigmine Bromide, Mirabegron
- Where
- 2 sites in United States
- Volunteers
- 21 people
- Sponsor
- James J. Peters Veterans Affairs Medical Center
Coronary Artery Disease, Type 1 Diabetes Mellitus
Regadenoson Blood Flow in Type 1 Diabetes (RABIT1D)
Cardiovascular disease (CVD) remains the major cause of mortality and morbidity in both type 1 (T1D) and type 2 (T2D) diabetes patients; modifications of traditional CVD risk factors have had a limited impact.
- Trial name
- RABIT1D (NCT01019486)
- Testing
- Regadenoson myocardial perfusion imaging, Regadenoson MRI myocardial blood flow
- Where
- 4 sites in United States
- Volunteers
- 26 people
- Sponsor
- University of Colorado, Denver
Glaucoma
Aqueous Suppressant Versus Aqueous Outflow on Ocular Blood Flow
The purpose of this study will be to compare the aqueous production suppressant to aqueous outflow drugs in terms of the response to known vascular parameters.
- Trial name
- NCT01308788
- Where
- United States
- Volunteers
- 35 people
- Sponsor
- Indiana University
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
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
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
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
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
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
Malignant Solid Tumor, Lymphomas
Safety and Pharmacokinetic Study of RRx-001 in Cancer Subjects
The purpose of this study is to evaluate the safety and pharmacokinetic profile of RRx-001 for injection in subjects with advanced solid tumors or lymphomas for which there are no currently accepted curative therapies.
- Trial name
- DINAMIC (NCT01359982)
- Testing
- RRx-001
- Where
- 2 sites in United States
- Volunteers
- 26 people
- Sponsor
- EpicentRx, Inc.
Chronic Kidney Disease
Measurement of Kidney Blood Flow and Oxygen Levels by MRI
Comparison of renal blood flow measurements by PAH clearance and MRI
- Trial name
- NCT01318967
- Testing
- Furosemide
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Wake Forest University
Glaucoma; Drugs, Normal Tension Glaucoma
Peripapillary Blood Flow After Use of Anti-glaucoma Medications: An OCT Angiography Study
This study evaluates the possible acute changes in peripapillary blood flow after instillation of antiglaucoma medications in patients with primary open angle glaucoma (POAG), normal tension glaucoma (NTG), or ocular hypertension…
- Conditions
- Glaucoma; Drugs, Normal Tension Glaucoma, Primary Open-angle Glaucoma
- Trial name
- NCT03323164
- Testing
- Timolol Maleate, Brimonidine Tartrate
- Where
- United States
- Volunteers
- 35 people
- Sponsor
- Wills Eye
Primary Open Angle Glaucoma
The Effects of an Antioxidant Formulation on Ocular Blood Flow
The objective is to evaluate the effects of an antioxidant formula versus placebo on ocular blood flow in a randomized double-blind, crossover design.
- Trial name
- NCT01930487
- Testing
- dietary supplement with antioxidants
- Where
- United States
- Volunteers
- 47 people
- Sponsor
- ScienceBased Health
Female Sexual Dysfunction, Spinal Cord Injuries
Effect of Peripheral Neuromodulation on Vaginal Blood Flow
The researchers want to see if nerve stimulation interventions cause a change in vaginal blood flow. This intervention was performed in women who have neurogenic (spinal cord injury) or non-neurogenic sexual dysfunction and…
- Trial name
- NCT04384172
- Testing
- Transcutaneous electrical nerve stimulation - Tibial Nerve, Transcutaneous electrical nerve stimulation - Genital Nerve
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- University of Michigan
Death, Sudden, Cardiac, Out-Of-Hospital Cardiac Arrest
Pre-hospital ECMO in Advanced Resuscitation in Patients With Refractory Cardiac Arrest. ( SUB30 )
To establish whether a pre-hospital advanced physician/ paramedic cardiac arrest team that is ECMO capable can establish ECMO flow within 30 minutes of collapse.
- Conditions
- Death, Sudden, Cardiac, Out-Of-Hospital Cardiac Arrest, Ventricular Fibrillation, Cardiopulmonary Arrest With Successful Resuscitation
- Trial name
- SUB30 (NCT03700125)
- Testing
- ECMO resuscitation
- Where
- 2 sites in United Kingdom
- Volunteers
- 5 people
- Sponsor
- Barts & The London NHS Trust