Clinical trials: Blood Volume
Hypovolemia, Cardiac Output, High
Validation of Capnography as a Predictor of Cardiac Output Change as Measured by FloTrac
The aim of this study is to evaluate the correlation of capnography with non-invasive measurement of cardiac output with the FloTrac/EV1000 following a reversible fluid challenge, a passive leg raising maneuver, using…
- Conditions
- Hypovolemia, Cardiac Output, High, Cardiac Output, Low
- Trial name
- NCT01880684
- Where
- Canada
- Volunteers
- 50 people
- Sponsor
- Montreal Heart Institute
Peripheral Arterial Disease, Peripheral Artery Disease
Blood Flow Changes in Femoral-popliteal Bypass Grafts After Neuromuscular Electrical Stimulation (NMES).
The muscles of the leg require a regular supply of oxygen and nutrients. This is supplied by blood carried by a network of large blood vessels known as arteries.
- Conditions
- Peripheral Arterial Disease, Peripheral Artery Disease, Peripheral Vascular Disease, Femoral Popliteal Occlusion
- Trial name
- HAEMUS (NCT04109287)
- Testing
- REVITIVE® device
- Where
- United Kingdom
- Sponsor
- Imperial College Healthcare NHS Trust
End-stage Renal Disease, Renal Replacement Therapy
Can High Convection Volumes be Achieved in Each Patient During Online Post-dilution Hemodiafiltration?
Two recent randomized controlled trials (RCT) on online hemodiafiltration (HDF) did not show a treatment effect on patient survival when compared with low- or high-flux hemodialysis.
- Conditions
- End-stage Renal Disease, Renal Replacement Therapy, Hemodiafiltration, Convection Volume
- Trial name
- NCT01877499
- Testing
- Optimization of HDF key parameters
- Where
- 7 sites in Netherlands
- Volunteers
- 86 people
- Sponsor
- Amsterdam UMC, location VUmc
Intradialytic Hypotension
Central Blood Volume in Hypotensive Dialysis Patients
The purpose of the study is to test whether hypotensive episodes during dialysis - caused by withdrawal of fluid drom the circulation - can be predicted by means of two harmless monitoring techniques.
- Trial name
- NCT00257504
- Where
- Denmark
- Volunteers
- 20 people
- Sponsor
- Danish State Hospital
Intrathoracic Blood Volume in Heart Failure Patients
Intrathoracic Bloodvolume Measurement by Contrast Enhanced Ultrasound: Validation of the Technique and Evaluation as a Measurement of Response to Cardiac Resynchronization Therapy: a Pilot Study
Summary Rationale: Cardiac resynchronisation therapy (CRT) with biventricular pacemakers and implantable cardiac defibrillators (ICD) has proven to be a valuable therapy in selected patients with systolic heart failure…
- Trial name
- NCT01735838
- Where
- Netherlands
- Volunteers
- 20 people
- Sponsor
- Catharina Ziekenhuis Eindhoven
Pulmonary Arterial Hypertension, Chronic Thromboembolic Pulmonary Hypertension
Non-Invasive Measurement of Cardiac Output and Stroke Volume in PAH/CTEPH
Pulmonary arterial hypertension (PAH) and chronic thromboembolic pulmonary hypertension (CTEPH) are severe clinical conditions that, despite advances in therapeutics over the past 20 years, lead to serious morbidity and…
- Trial name
- NCT05618093
- Testing
- Non-invasive hemodynamic measurements
- Where
- United States
- Sponsor
- University of California, Los Angeles
Hemodynamic, Monitoring, Anesthesia
Pulse CONtour and BIoimpedance for Measurements of Stroke Volume During Changes in CARdiac Preload
Fluid therapy guided by stroke volume response to repeated fluid challenges is used for hemodynamic optimization during general anesthesia.
- Conditions
- Hemodynamic, Monitoring, Anesthesia, Blood Pressure
- Trial name
- ConBi-Car (NCT04231656)
- Testing
- CLEARSIGHT and NICCOMO measurements in sequence A, CLEARSIGHT and NICCOMO measurements in sequence B
- Where
- France
- Volunteers
- 30 people
- Sponsor
- University Hospital, Lille
Blood Loss
Evaluation of the Zynex Blood Volume Monitor in Healthy Adult Volunteers During a Blood Draw
To determine if a manual blood loss can be detected using the non-invasive blood monitor.
- Trial name
- NCT01834612
- Testing
- CM1500
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Zynex Monitoring Solutions
Thyroid Surgery, Head Extension on the Anatomic Axes of the Superior Airway
The Effect of Thyroid Lobe Volume on the Common Carotid Artery Blood Flow
The goal of this observational study is to evaluate how thyroid lobe volume affects carotid artery blood flow dynamics in adult patients undergoing elective thyroidectomy.
- Trial name
- NCT06797388
- Where
- Turkey (Türkiye)
- Volunteers
- 132 people
- Sponsor
- Recep Tayyip Erdogan University
Von Willebrand Disease
A Canadian Study to Assess the Safety of Humate-P® Ivr (Infusion Volume Reduced)
As part of CSL Behring Canada's continued commitment to ensuring the safety of the new low volume preparation of Humate-P®, CSL Behring Canada proposes to conduct a prospective, multi-center structured data collection of routine…
- Trial name
- NCT00701545
- Where
- Canada
- Volunteers
- 21 people
- Sponsor
- CSL Behring
Cardiac Output
Measurement of Cardiac Output and Blood Volumes
Cardiac Output (amount of blood pumped by the heart in one minute) will be measured using the new COstatus(R) system and these values will be compared with cardiac output values measured by other methods such as thermodilution.
- Trial name
- WSU (NCT00851474)
- Where
- United States
- Sponsor
- Transonic Systems Inc.
Chronic Obstructive Pulmonary Disease
Oral Sildenafil for Exercise Capacity, Dyspnea and Cardiopulmonary Function in COPD
Chronic obstructive pulmonary disease (COPD) is a condition characterized by airway obstruction. Patients with COPD experience significant shortness of breath on exertion.
- Trial name
- NCT05061368
- Testing
- Sildenafil Citrate
- Where
- Canada
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- University of Alberta
Subarachnoid Hemorrhage, Aneurysmal
Continuous Assessment of Brain Blood Perfusion in Subarachnoid Hemorrhage Patients Using Near-Infrared Spectroscopy (NIRS)
The goal of this observational study is to continuously assess cerebral autoregulation in patients with subarachnoid hemorrhage (SAH) using cerebral oximetry index (COx) and hemoglobin volume reactivity index (HVx).
- Trial name
- NCT06932640
- Testing
- - Non-Invasive Near-infrared Spectroscopy (NIRS) device (HEM1 with Foresight Elite Sensor)
- Where
- United States
- Volunteers
- 120 people
- Sponsor
- University of Alabama at Birmingham
POTS - Postural Orthostatic Tachycardia Syndrome
Restoring Iron Deficiency in POTS
People with postural orthostatic tachycardia syndrome (POTS) often have low red blood cell volumes and low ferritin in their blood (a marker of iron storage in the body).
- Trial name
- NCT07197905
- Testing
- Intravenous iron
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- Vanderbilt University Medical Center
Chronic Kidney Disease, Acute Kidney Injury
FAST GFR: Pilot Study to Evaluate the Safety of the FAST GFR Test in Patients.
This is a single site study designed to evaluate the FAST mGFR Test™ in healthy adult volunteers, patients with varying degrees of chronic kidney disease (CKD), and patients with acute kidney injury (AKI).
- Trial name
- NCT01978314
- Testing
- 75 mg / 6 mL VFI™
- Where
- United States
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- FAST BioMedical
Heart Failure, Cognitive Impairment
TRAnscranial Doppler CErebral Blood Flow and Cognitive IMPAIRment in Heart Failure
TRACE-IMPAIR is a prospective, clinical study of consecutive patients that evaluates the relationship between heart failure (HF) and cognitive impairment in relation to carotid and cerebral flow.
- Conditions
- Heart Failure, Cognitive Impairment, Carotid Stenosis
- Trial name
- TRACE-IMPAIR (NCT05250349)
- Testing
- Echocardiography, Doppler sonography, Neuropsychological tests
- Where
- Poland
- Volunteers
- 300 people
- Sponsor
- John Paul II Hospital, Krakow
Diabetes, Arteriosclerosis
The Arterial Measurement of the Blood Flow Volume After Iloprost Stimulation
A prospective case-control study was performed to investigate the effect of iloprost on the intraoperative flow volume in diabetic and non-diabetic patients as well as the effect of peripheral neuropathy in patients with…
- Conditions
- Diabetes, Arteriosclerosis, Peripheral Arterial Occlusive Disease, Neuropathy
- Trial name
- ILOFLOW (NCT01774058)
- Testing
- Ilomedin
- Where
- Austria
- Volunteers
- 100 people
- Sponsor
- Prim PD Dr Afshin Assadian
Diabetes Mellitus, Type 1, Diabetes Mellitus, Type 2
The Characteristics of Different Personal Lancets on Blood Volume and Perceived Pain in Patients With Diabetes Mellitus
A randomized single-blind study with the use of different lancing devices equipped with personal lancets to determine and to compare the amount of capillary blood volume and perceived pain after a single lancing of the fingertip.
- Trial name
- NCT04253431
- Testing
- Droplet lancing device (HTL-Strefa S.A.), Microlet 2 lancing device (Bayer), OneTouch Delicia lancing device (LifeScan)
- Volunteers
- 60 people
- Sponsor
- HTL-Strefa S.A.
Liver Transplantation, End-stage Liver Disease (ESLD)
Restrictive Fluid Management In Liver Transplantation (REFIL) - Pilot
Hypothesis: A Canadian multicentre clinical trial is feasible. Study Design: Multicenter internal pilot parallel arm randomized controlled trial.
- Trial name
- REFIL-1 (NCT05647733)
- Testing
- Low splanchnic blood volume restrictive fluid management strategy, Optimized cardiac output liberal fluid management strategy, Phlebotomy
- Where
- 4 sites in Canada
- Volunteers
- 138 people
- Sponsor
- Centre hospitalier de l'Université de Montréal (CHUM)
Brain Neoplasm
Ferumoxytol in Magnetic Resonance Imaging of Pediatric Patients With Brain Tumors
This phase II trial studies ferumoxytol in the magnetic resonance imaging of pediatric patients with brain tumors. Magnetic resonance imaging using ferumoxytol may help in viewing a brain tumor and blood vessels in and around the…
- Trial name
- NCT03234309
- Testing
- Ferumoxytol, Magnetic Resonance Imaging
- Sponsor
- OHSU Knight Cancer Institute