Clinical trials: Blood Circulation
Pain, Low Back Pain
Changes in Cerebral Blood Flow in Patients Treated With Spinal Cord Stimulation for Low Back and Leg Pain
The primary objective of this study is to identify the brain regions in which activity is affected by SCS. Baseline cerebral blood flow scans with the device turned off will be generated compared to scans produced with the device…
- Conditions
- Pain, Low Back Pain, Leg Pain
- Trial name
- NCT00418301
- Testing
- Precision Spinal Cord Stimulation and PET Scan
- Where
- United States
- Volunteers
- 15 people
- Sponsor
- Boston Scientific Corporation
Systemic Sclerosis
A Study to Investigate Safety of GS-248 and Efficacy on Raynauds' Phenomenon in Systemic Sclerosis
The primary objective of this study is to determine the safety, and evaluate the efficacy of GS-248 versus placebo on Raynaud's Phenomenon (RP) in subjects with Systemic Sclerosis (SSc).
- Trial name
- NCT04744207
- Testing
- GS-248
- Where
- 12 sites in Belgium, Netherlands and 2 more
- Volunteers
- 94 people
- Sponsor
- Gesynta Pharma AB
Functional Magnetic Resonance Imaging
A Study of Two Methodologies for Measuring Blood Flow in the Brain in Response to Non-Drug Stimuli (P08085/MK-0000-180)
This study will identify a dose of ferumoxytol that can reliably detect changes in blood flow/volume in response to non-drug stimuli.
- Trial name
- NCT01244282
- Testing
- fMRI with sensory stimulation
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Merck Sharp & Dohme LLC
Healthy Volunteer
Bioequivalence and Food Effect Bioavailability Study of Lumacaftor Film-Coated Tablets
The objective of this study is to assess bioequivalence of lumacaftor from Lumacaftor 200 mg Film-Coated Tablet Formulation (Qanatpharma) versus the reference commercial product, Lumacaftor 200 mg /Ivacaftor 125 mg Combination…
- Trial name
- NCT05968612
- Testing
- Lumacaftor 200 mg/Ivacaftor 125 mg Film-Coated Tablet, Lumacaftor 200 mg Film-Coated Tablet Formulation
- Where
- Canada
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- Qanatpharma Canada LTD
Healthy Adult Participants
Geko® T3 One vs Two Study
The primary objective of this study to assess the haemodynamic effects of unilateral and bilateral geko® T3 stimulation on lower-limb circulation, measured by femoral artery and vein blood flow.
- Trial name
- NCT07849257
- Testing
- NMES
- Where
- United Kingdom
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Kieron.Day
Choroidal Neovascularization
Bevacizumab Effect on Blood Velocity
Retinal blood flow velocity is affected by Bevacizump intravitreal injection. This effect is correlated to treatment success.
- Trial name
- NCT01298440
- Where
- Israel
- Volunteers
- 12 people
- Sponsor
- Optical Imaging, Ltd.
Alzheimer's Disease
A Study to Assess Regional Cerebral Blood Flow as an Alzheimer's Disease Biomarker Compared to Positron Emission Tomography in Patients With Mild-to-Moderate Alzheimer's Disease and Cognitively Normal Elderly Subjects (Study MK-0000-068)(COMPLETED)
The aim of the study is to determine if regional cerebral blood flow, measured by dynamic arterial spin labeling (dASL), can be a biomarker for stage of Alzheimer's disease.
- Trial name
- NCT00757939
- Testing
- MRI, FDG-PET
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Merck Sharp & Dohme LLC
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
Failure of Fontan Type Circulation, Fenestration
Occlutech AFR Fontan Study
The goal of this observational clinical study look at the safety and effectiveness of the Occlutech Atrial Flow Regulator in the treatment of patients with failing Fontan circulation.
- Conditions
- Failure of Fontan Type Circulation, Fenestration, Univentricular Heart, Congenital Anomaly
- Trial name
- NCT07532369
- Testing
- Occlutech Atrial Flow Regulator Retrospective Data Collection
- Where
- 7 sites in United States
- Volunteers
- 25 people
- Sponsor
- Occlutech International AB
Change in Cognitive Function and Fatigue During Extended Performance of the Cognitive Demand Battery (CDB) at 1, 3 and 6 Hours Post Consumption, Change in Long Term Declarative Memory at 1, 3 and 6 Hours Post-intervention.
Plant Based Extracts and Cognition
Acute, randomized, placebo controlled, double blind, 4 arm crossover study to determine the effect of different combinations of plant based extracts on cognitive function and cerebral blood flow.
- Trial name
- CEOPTB (NCT02202629)
- Testing
- Beverage containing plant based extracts
- Where
- United Kingdom
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- PepsiCo Global R&D
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
Diabetic Peripheral Neuropathy (DPN)
Administrative Claims Analysis of Metanx® in Diabetic Peripheral Neuropathy
This study will be an observational cohort study utilizing administrative claims data with 100 patients randomly selected taking Metanx® meeting the inclusion and exclusion criteria and 400 propensity score matched patients…
- Trial name
- NCT01247558
- Testing
- Metanx® (a medical food), Not treated with Metanx®
- Where
- United States
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Pamlab, L.L.C.
Healthy Adult Participants
Physiological Responses to Upper Limb NMES
The primary objective of this study is to explore the application of the Firefly® device for delivering NMES to anatomically defined regions of the upper limb and to observe associated physiological changes.
- Trial name
- NCT07635979
- Testing
- Firefly NMES device
- Where
- United Kingdom
- Volunteers
- 10 people
- Sponsor
- Kieron.Day
Normal Human Subjects
Single Photon Emission Computed Tomography of the Normal Human Brain
The objective of the study is to acquire a database of Single Photon Emission Computed Tomographic (SPECT) studies of the brains of normal human subjects in resting and concentrating states.
- Trial name
- NCT01203891
- Where
- United States
- Volunteers
- 97 people, healthy volunteers welcome
- Sponsor
- Amen Clinics, Inc.
Persistent Pulmonary Hypertension of Newborn
Treprostinil in Newborns With Pulmonary Hypertension; a Non-Interventional Study to Collect Data on Drug Utilization, Safety, and Effectiveness
This observational study will seek to describe the uses and safety and efficacy outcomes of treprostinil in clinical practice in patients with persistent pulmonary hypertension (PPHN).
- Trial name
- NEPHY (NCT06499363)
- Where
- 4 sites in France
- Volunteers
- 60 people
- Sponsor
- Ferrer Internacional S.A.
Renal Failure, Renal Artery Stenosis
Renal Blood Flow Measurement With Positron Emission Tomography (PET)
Two investigational chemical tracers, 62Cu-ethylglyoxal bis(thiosemicarbazone) (62Cu-ETS) and 15O-water, will be used in this study to look at how blood moves through the kidneys.
- Trial name
- NCT00714142
- Testing
- 62Cu-ethylglyoxal bis(thiosemicarbazone), 15O-water, Positron Emission Tomography
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Jeffrey L. Lacy
Coronary Artery Disease
RAdiolabeled Perfusion to Identify Coronary Artery Disease Using WAter To Evaluate Responses of Myocardial FLOW (RAPID-WATER-FLOW)
This a Phase 3, prospective, open-label, multicenter study of [15-O]-H2O injection for PET imaging of subjects with suspected CAD.
- Trial name
- NCT05134012
- Testing
- [O-15]-Water PET Myocardial Perfusion Imaging (MPI)
- Where
- 13 sites in United States, Canada and 4 more
- Volunteers
- 232 people
- Sponsor
- MedTrace Pharma A/S
Bloodstream Infection
Genotypic Versus Phenotypic Susceptibility Testing of Positive Blood Cultures
This study is designed as a prospective, randomized, open-label trial evaluating antimicrobial utilization, clinical outcomes, and healthcare costs among patients with positive blood cultures.
- Trial name
- NCT03744728
- Testing
- Accelerate PhenoTest™ BC kit, Standard of Care
- Where
- United States
- Volunteers
- 774 people
- Sponsor
- Accelerate Diagnostics, Inc.
Pressure Ulcers, Tissue Injury
The Analysis of Skin Temperature by Long Wave Infrared Imaging to Determine Its Effectiveness as a Predictor of Tissue Injury
Long-wave infrared imaging can be used to identify skin temperature changes associated with underlying tissue changes. We want to determine if the use of Long Wave infrared Imaging is as effective as the Braden Score in…
- Trial name
- NCT00664235
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Trillennium Medical Imaging, Inc.
Cardiac Surgery, Heart Surgery
Novel Venous Cannula Trial
This is a prospective, open-label, single-arm, single-center clinical investigation designed to evaluate the safety and performance of a Novel Venous Cannula during on-pump cardiac surgery requiring transfemoral venous…
- Conditions
- Cardiac Surgery, Heart Surgery, Cardiopulmonary Bypass, Minimally Invasive Surgical Procedures
- Trial name
- NCT07087639
- Testing
- Self-expanding Venous Cannula
- Where
- Italy
- Volunteers
- 42 people
- Sponsor
- Eurosets S.r.l.