Clinical trials: Impedance
Heart Failure
Relationship Between LINQ™ Subcutaneous Impedance and Right-sided Hemodynamic Measurements
The purpose of the ReLINQuish study is to characterize the relationship between subcutaneous impedance and hemodynamic measurements in patients with heart failure.
- Trial name
- NCT03608826
- Testing
- Investigational LINQ™ HF RAMware
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Heart Failure
Detect Fluid Early From Intra-thoracic Impedance Monitoring
To demonstrate the safety and effectiveness of the Impedance Monitoring Feature in St Jude Medical cardiac devices.
- Trial name
- DEFEAT-PE (NCT00916929)
- Testing
- Impedance Monitoring Feature
- Where
- 34 sites in United States
- Volunteers
- 162 people
- Sponsor
- Abbott Medical Devices
Fluid Retention Tissue
Measuring Thoracic Impedance in Hemodialysis Patients With the u-Cor Monitoring System
The purpose of this study is to measure the fluid changes in the body using a device called the µ-Cor System, an investigational device.
- Trial name
- MaTcH (NCT03072732)
- Testing
- u-Cor System, ZOE Fluid Status Monitor
- Where
- 3 sites in United States
- Volunteers
- 40 people
- Sponsor
- Zoll Medical Corporation
Gastroesophageal Reflux Disease
A Study to Estimate Effect of 4 Different Doses of AZD3355 on Reflux Episodes, Which Patients With Gastroesophageal Reflux Disease (GERD) May Experience
The purpose of the study is to estimate what effect 4 different doses of AZD3355 will have on the number of reflux episodes, in patients who have GERD and still experience symptoms despite proton pump inhibitor (PPI) treatment.
- Trial name
- NCT01043185
- Testing
- AZD3355
- Where
- United States
- Volunteers
- 27 people
- Sponsor
- AstraZeneca
Cardiac Arrest, Sudden Cardiac Death
Hemodynamic Effects of Standard Cardiopulmonary Resuscitation (CPR), Active Compression Decompression CPR With an Inspiratory Impedance Device, and Standard CPR With an Intrathoracic Pressure Regulator During Out-of-hospital Cardiac Arrest
More than 300,000 Americans experience out-of-hospital cardiac arrest annually, with overall survival rates averaging less than 5%.
- Trial name
- NCT01325870
- Testing
- ACD-CPR, ITPR, S-CPR
- Where
- United States
- Volunteers
- 48 people
- Sponsor
- Advanced Circulatory Systems
Peripheral Vascular Disease
Impedance Sensor Evaluated in Peripheral Artery Disease for Tissue Detection
The objective of the study is to evaluate the feasibility of the CSGS sensor to differentiate tissues involved in Peripheral Artery Disease (PAD).
- Trial name
- SEPARATE (NCT06112054)
- Testing
- Clotild Smart Guidewire System (CSGS)
- Where
- Belgium
- Volunteers
- 19 people
- Sponsor
- Sensome
Heart Failure, Congestive
Sensitivity of the InSync Sentry OptiVol Feature for the Prediction of Heart Failure
The SENSE-HF study is a prospective, observational, international multi-center study prospectively evaluating the sensitivity and positive predictive value of the OptiVol Fluid Trends data in predicting Heart Failure related…
- Trial name
- SENSE-HF (NCT00400985)
- Testing
- Implantable device: monitoring of intrathoracic impedance using the OptiVol diagnostic tool.
- Where
- 2 sites in Belgium, United Kingdom
- Volunteers
- 501 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Hearing Loss
Multi-center Study to Examine Changes to the Environment Surrounding the Electrodes in the Cochlea and to Capture the Most Challenging Listening Environments Experienced by Persons With a Cochlear Implant
This early feasibility study aims to collect pilot data on impedance measurements in real-world environments and to collect real-world and difficult listening situations and the factors impacting this, reflecting situations the…
- Trial name
- DICE (NCT06173687)
- Testing
- The impedance measurement task using the Mobile Research App (MRA)
- Where
- 4 sites in Australia, Belgium and 1 more
- Volunteers
- 51 people
- Sponsor
- Cochlear
Congestive Heart Failure, Cardiomyopathy
FAST (Fluid Accumulation Status Trial)
Heart failure is a progressive disease that decreases the pumping action of the heart. This may cause a backup of fluid in the heart and may result in heart beat changes.
- Conditions
- Congestive Heart Failure, Cardiomyopathy, Dyspnea, Pulmonary Edema
- Trial name
- NCT00289276
- Testing
- Fluid Status Monitoring (OptiVol™)
- Where
- 16 sites in United States, Canada and 1 more
- Volunteers
- 156 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Lung Cancer
InvestigatioN of a Smart Probe for Lung lEsion Characterization Using Impedance Technology
The objective of the study is to evaluate the feasibility of the BioSpy System sensor to differentiate tissues that are encountered during bronchoscopic biopsy of endobronchial tumors and peripheral lung nodules and masses.
- Trial name
- INSPECT (NCT06380361)
- Testing
- BioSpy System
- Where
- 2 sites in Australia, France
- Volunteers
- 30 people
- Sponsor
- Sensome
Bioelectrical Impedance Measurement of Healthy Adults
Comparing Medical Body Composition Analyzer Seca mBCA 555 With Seca mBCA 515
The mBCA 515 was compared to the gold standard methods MRI, DXA, ADP, D2O- and NaBr-dilution in previous clinical investigations (BCA-01, BCA-02, BCA-20) to generate prediction equations for calculating body composition (FFM…
- Trial name
- NCT04030416
- Where
- Germany
- Volunteers
- 120 people
- Sponsor
- Seca GmbH & Co. Kg.
Heart Arrest, Death, Sudden, Cardiac
ResQ Trial: Impact of an ITD and Active Compression Decompression CPR on Survival From Out-of-Hospital Cardiac Arrest
The purpose of this study is to determine whether performing active compression decompression cardiopulmonary resuscitation (ACD-CPR) with an impedance threshold device (ITD) compared to conventional standard cardiopulmonary…
- Conditions
- Heart Arrest, Death, Sudden, Cardiac, Cardiopulmonary Resuscitation, Cardiac Arrest
- Trial name
- ResQ (NCT00189423)
- Testing
- Use of an impedance threshold device (ITD) during the performance of active compression decompression CPR (ACD-CPR), Standard cardiopulmonary resuscitation (S-CPR)
- Where
- 7 sites in United States
- Volunteers
- 1,653 people
- Sponsor
- Advanced Circulatory Systems
Mechanical Ventilation, Single-lung Ventilation
Assessment of the Capability of PulmoVista 500 to Continuously Monitor Changes of Ventilation Over Time
The results of this study will help to define the capability and reliability of PulmoVista 500 to detect changes in both global and regional ventilation.
- Conditions
- Mechanical Ventilation, Single-lung Ventilation, ARDS, ALI - Acute Lung Injury
- Trial name
- NCT03076983
- Testing
- Lung Monitoring with EIT device (PulmoVista 500)
- Where
- 3 sites in Germany
- Volunteers
- 80 people
- Sponsor
- Drägerwerk AG & Co. KGaA
Acute Hypotension
Assessment of the Implementation of the ResQGARD® Impedance Threshold Device by the San Antonio Fire Department
This study is attached to a comprehensive quality assurance/quality improvement (QA/QI) program conducted by the Office of the medical director, and is designed to contribute to generalizable knowledge to determine effectiveness…
- Trial name
- NCT01780350
- Testing
- ResQGARD ITD
- Volunteers
- 200 people
- Sponsor
- Advanced Circulatory Systems
Healthy Elderly
Generation of Prediction Equations for BIA of the Elderly
The objective of the study is to develop prediction equations for calculating Fat-Free Mass FFM, Total Body Water TBW, Extracellular Water ECW, Visceral Adipose Tissue VAT, total Skeletal Muscle Mass SMM and segmental SMM in a…
- Trial name
- NCT04028648
- Where
- Germany
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Seca GmbH & Co. Kg.
Hypotension
Efficacy Study of a Facemask Device to Treat Hypotension
The purpose of this study is to determine if the impedance threshold device (ITD) attached to a facemask can increase blood pressure in patients who present to the emergency department with hypotension secondary to hypovolemia.
- Trial name
- NCT00256724
- Testing
- Impedance Threshold Device
- Where
- United States
- Volunteers
- 47 people
- Sponsor
- Advanced Circulatory Systems
Reflux Episodes
TLESR-impedance Study in Patients
The purpose of the study is to compare frequency and content of reflux episodes in patients with gastroesophageal reflux disease.
- Trial name
- NCT00743444
- Testing
- AZD3355
- Volunteers
- 27 people
- Sponsor
- AstraZeneca
Hearing Loss
Collection and Characterization of Objective Measures to Explore the Specificity of Algorithms
The aim of this descriptive study is to collect and describe the characteristics of objective measures to explore the specificity of algorithms.
- Trial name
- NCT03294681
- Testing
- Objective measures with CSEP
- Where
- 6 sites in Australia, Germany and 1 more
- Volunteers
- 153 people
- Sponsor
- Cochlear