Clinical trials: Impedance
GERD
Twenty-Four Hour Combined Multi-Channel Impedance and pH Ambulatory Monitoring: Impedance Reflux Episodes of Patients On and Off Proton Pump Inhibitor Therapy
The purpose of this study is to determine the effects of proton pump inhibitors (PPIs) on the total number of reflux episodes in the distal esophagus measured by impedance in patients with and without gastroesophageal reflux…
- Trial name
- NCT01710800
- Testing
- Esomeprazole
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Walter Reed National Military Medical Center
Healthy Volunteers
Physiological Behavior of Respiratory Maneuvers
Introduction: new methods of evaluation of respiratory function, such as electrical impedance tomography (EIT) and optoelectronic plethysmography (OEP), have been used to measure regional pulmonary ventilation and the variation…
- Trial name
- NCT03270826
- Where
- Brazil
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Universidade Federal de Pernambuco
Caries,Dental, Deep Caries
Comparative Evaluation of an Electrical Impedance Device Versus Digital Radiography in Estimation of Remaining Dentin Thickness
The research question was that in patients with carious posterior permanent teeth, would the electrical impedance device be as valid as digital radiography in estimation of remaining dentin thickness? The proposed hypothesis was…
- Trial name
- NCT06162182
- Testing
- electrical impedance device,, Reference test: Digital Radiographic examination
- Where
- 2 sites in Egypt
- Volunteers
- 67 people, healthy volunteers welcome
- Sponsor
- Rawda Hesham Abd ElAziz
Parkinson Disease, Epilepsy
In Vivo Imaging of Therapeutic Electric Current Flow
The purpose of this research study is to measure current flow inside the head using magnetic resonance imaging (MRI). The data from this study will be used to map the current flow caused from the electrical stimulation inside the…
- Conditions
- Parkinson Disease, Epilepsy, Alzheimer's Disease, Stroke
- Trial name
- tDCS (NCT02453763)
- Testing
- Transcranial direct current stimulation, MRI
- Where
- United States
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- University of Florida
Amyotrophic Lateral Sclerosis, Motor Neuron Disease
Study of Electrical Impedance Myography (EIM) in ALS
This trial is studying Electrical Impedance Myography (EIM) for measuring muscle health. The trial is studying people with Amyotrophic Lateral Sclerosis (ALS), other neuromuscular diseases, and healthy volunteers to see if the…
- Conditions
- Amyotrophic Lateral Sclerosis, Motor Neuron Disease, Charcot-Marie-Tooth Disease, Multiple Sclerosis
- Trial name
- NCT02011204
- Testing
- Electrical impedance myography (EIM)
- Where
- 6 sites in United States
- Volunteers
- 106 people, healthy volunteers welcome
- Sponsor
- Skulpt, Inc.
Myopathy, Muscular Dystrophies
Muscle Health Measurements Using Electrical Impedance Myography
This study is being done to further develop a device, the mScan, to measure muscle health as compared to measurements of muscle health using MRI (magnetic resonance imaging).
- Conditions
- Myopathy, Muscular Dystrophies, Myositis, Myofibrillar Myopathy
- Trial name
- NCT07502989
- Testing
- Electrical Impedance Myography
- Where
- United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Beth Israel Deaconess Medical Center
TRPV1 Protein, Human, Capsaicin
Esophageal capsaïcin Infusion and Mucosal Integrity
Reflux is common, especially after large meals. In general, this can do no harm. However, if reflux occurs often and causes troublesome symptoms and or complications, it is called gastroesophageal reflux disease (GERD).
- Conditions
- TRPV1 Protein, Human, Capsaicin, Electric Impedance, Esophagus
- Trial name
- NCT02603783
- Testing
- Capsaicin
- Where
- Netherlands
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Neonates and Preterm Infants, Cardiopulmonary
Triple EIT (Electrical Impedance Tomography)
This study plans to learn more about ways to look at participant's lungs using new machines called Electrical Impedance Tomography (EIT). The EIT does not use harmful radiation like CT or x-ray.
- Trial name
- NCT07247474
- Testing
- Electrical impedance tomography (EIT)
- Where
- United States
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Neuromuscular Disease Patients, Central Neurological Disease Patients
Electrical Impedance Tomography for the Assessment of Neurological Disease
Overview of study. This is an observational study that is intended to provide the first in-human data using EIT as a biomarker of muscle health in neuromuscular conditions.
- Trial name
- NCT05238038
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Beth Israel Deaconess Medical Center
Smoking, Airway Obstruction
Effect of the Salbutamol on Mechanical Properties of Respiratory System
The aim of this study is to assess the bronchodilator response of salbutamol on respiratory mechanics of healthy individuals, smokers and COPD with varying degrees of airway obstruction.
- Trial name
- NCT01521572
- Testing
- Salbutamol sulphate
- Where
- Brazil
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Rio de Janeiro State University
Chronic Kidney Diseases
Assessment of Kidney Function by Electrical Impedance Tomography (EIT)
The product under investigation is named Gense EIT-kidney device. This kidney device is a portable and non-invasive imaging modality capable of capturing the cross-sectional bioelectrical impedance distribution of the kidney at…
- Trial name
- NCT06898294
- Testing
- EIT kidney function assessment
- Where
- Hong Kong
- Volunteers
- 144 people, healthy volunteers welcome
- Sponsor
- The University of Hong Kong
Healthy Volunteers Only
A Study of Body Fat Distribution and Airway Mechanics in Healthy Adults
This study investigates how body fat distribution affects airway closure and lung mechanics in healthy adults. Using Electrical Impedance Tomography (EIT), esophageal manometry, and computed tomography (CT), we aim to…
- Trial name
- NCT07019831
- Testing
- Body positioning
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Maurizio F. Cereda, MD
Cholecystolithiasis, Cholecystectomy
Does Cholecystectomy Increase the Esophageal Alkaline Reflux? Evaluation by Impedance-pH Technique
Publications with different conclusions are available with regard to the correlations between the cholecystolithiasis, cholecystectomy and gastroesophageal reflux disease (GERD).
- Conditions
- Cholecystolithiasis, Cholecystectomy, Gastroesophageal Reflux
- Trial name
- NCT01047085
- Testing
- impedance pH measurement
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Istanbul University
Brain Cancer
A Pilot Study to Determine Nutrition Status in Glioblastoma Multiforme Patients
The study is designed to evaluate how the composition of a participant's body, diagnosed with a brain tumor (glioblastoma multiforme) as determined by bioelectrical impedance analysis can predict the progression and outcomes of…
- Trial name
- BEAM (NCT01770626)
- Testing
- Nutrition
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Body Composition Measurement
Acute Effects of Caffeinated and Decaffeinated Coffee on Bioelectrical Impedance Analysis
This study investigates how caffeinated coffee, decaffeinated coffee, and water affect body composition, as measured by BIA. Participants were divided into three groups, consuming their respective beverages, with measurements…
- Trial name
- NCT06754748
- Testing
- Caffeinated coffee, Decaffeinated coffee, Water
- Where
- Turkey (Türkiye)
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Marmara University
Stroke
Applicability of Techniques of Lung Expansion
The survival of patients with lesions in the central nervous system is usually accompanied by physical and mental sequelae. These impairments favor the prolonged restriction to the bed, which may contribute with changes in…
- Trial name
- NCT02613832
- Testing
- EPAP, Breath Stacking
- Where
- Brazil
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Universidade Federal de Pernambuco
Cystic Fibrosis
Electrical Impedance Imaging of Patients With Cystic Fibrosis
The goal of this feasibility study is to evaluate the ability of Electrical Impedance Tomography (EIT) for providing regional and quantitative information about the extent and nature of bronchial obstruction in patients with…
- Trial name
- NCT02524704
- Testing
- CT scan
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Colorado State University
Obesity (Disorder), Ventilation Homogeneity
Positional Effects on Lung Ventilation and Perfusion in Obesity
Electrical Impedance Tomography (EIT) is a non-invasive, bedside monitoring tool that provides real-time information on regional ventilation and perfusion.
- Conditions
- Obesity (Disorder), Ventilation Homogeneity, Perfusion, Ventilation Perfusion Mismatch
- Trial name
- NCT07341113
- Testing
- Standardized body positioning
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Koç University
Platelet Dysfunction
Influence of Anesthesia Drugs on Impedance Aggregometry
Impedance aggregometry (IA) (Multiplate®)is a new whole blood platelet function test with potential use in anesthesia and intensive care. Most anesthetic drugs have been shown to have in vitro antiplatelet activity.
- Trial name
- NCT01454427
- Where
- Switzerland
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Lausanne Hospitals
Duchenne Muscular Dystrophy
DART Electrical Impedance Myography (EIM) Trial in Duchenne Muscular Dystrophy (DMD) and Healthy Controls
Physicians seek a method to assess neuromuscular disease that is both non-invasive and quantifiable. Many patients do not tolerate standard current day assessment tools (such as needle electromyogram), and Electrical Impedance…
- Trial name
- NCT01523964
- Testing
- Testing with EIM
- Where
- 6 sites in United States
- Volunteers
- 92 people, healthy volunteers welcome
- Sponsor
- Dart Therapeutics. LLC