Clinical trials: Impedance
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
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
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
Anxiety
Patient Anxiety Associated With Lymphedema Surveillance Method
We propose to study the impact of BIA screening on anxiety and primary prevention strategies for lymphedema development among patients with recent surgery for breast cancer.
- Trial name
- NCT02033759
- Testing
- Bio-Impedance Testing, Anxiety Questionnaire, Traditional Circumferential Measurements
- Where
- United States
- Volunteers
- 43 people
- Sponsor
- Mercy Research
Epilepsy, Tumor
High-density EEG in Neurological Disorders
The purpose of the study is to use a new method of high-density electroencephalogram (HD-EEG) recording to map brain areas important for movement, sensation, language, emotion, and cognition.
- Conditions
- Epilepsy, Tumor, Healthy
- Trial name
- NCT04266041
- Testing
- High-density electroencephalogram (HD-EEG)
- Where
- United States
- Volunteers
- 122 people, healthy volunteers welcome
- Sponsor
- Dartmouth-Hitchcock Medical Center
Body Composition
Hydration Factor Study for the Stayhealthy BC3
This was a pilot study to validate the BC3 hydration factor which will be important for determining how well this value represents hydration status compared to assessment of total body water by D20.
- Trial name
- NCT01209936
- Testing
- D2O
- Where
- United States
- Volunteers
- 360 people, healthy volunteers welcome
- Sponsor
- University of Southern California
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
Congenital Heart Disease
Noninvasive Measurement of CO Using Impedance Cardiography in Patients With CHD
This study will test the capability of a non-invasive instrument (the PhysioFlow impedance cardiography instrument) to measure cardiac output in patients with congenital heart disease (CHD).
- Trial name
- NCT02326649
- Testing
- Physioflow
- Where
- United States
- Volunteers
- 21 people
- Sponsor
- University of California, San Diego
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.
Acute Respiratory Distress Syndrome, ARDS
Electrical Impedance Tomography for Optimization of Positive End-Expiratory Pressure: Acute Respiratory Distress Syndrome
Doctors follow a standard ventilator management strategy when making adjustments to the breathing machine to optimize the amount of oxygen into the lungs.
- Trial name
- NCT03793842
- Testing
- Usual care, PEEP titration by EIT
- Where
- United States
- Volunteers
- 16 people
- Sponsor
- University of Michigan
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
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.
Acute Undifferentiated Leukemia, Adult Acute Myeloid Leukemia With 11q23 (MLL) Abnormalities
Bioelectrical Impedance Measurement for Predicting Treatment Outcome in Patients With Newly Diagnosed Acute Leukemia
This clinical trial studies bioelectrical impedance measurement for predicting treatment outcome in patients with newly diagnosed acute leukemia.
- Conditions
- Acute Undifferentiated Leukemia, Adult Acute Myeloid Leukemia With 11q23 (MLL) Abnormalities, Adult Acute Myeloid Leukemia With Del(5q), Adult Acute Myeloid Leukemia With Inv(16)(p13;q22)
- Trial name
- NCT01869777
- Testing
- bioelectric impedance analysis
- Where
- United States
- Volunteers
- 102 people
- Sponsor
- Wake Forest University Health Sciences
Hematopoietic Stem Cell Transplantation, Obliterative Bronchiolitis
Respiratory Impedance and Obliterative Bronchiolitis
The aim of the present study will be to test the hypothesis that changes in within-breath total respiratory input impedance (Zrs) may provide an early evidence of obliterative bronchiolitis after allogeneic hematopoietic stem…
- Trial name
- FOT-BOS (NCT01255449)
- Testing
- albuterol
- Where
- Italy
- Volunteers
- 26 people
- Sponsor
- IRCCS Azienda Ospedaliera Universitaria San Martino - IST Istituto Nazionale per la Ricerca sul Cancro, Genoa, Italy
Occult Bleeding, Hemorrhage
Trauma Study: Early Warning of Progression Toward Hemodynamic Deterioration After Trauma
This study is Phase 3 of a three-phase DOD CDMRP funded project for the development of a multi-technology poly-anatomic noninvasive system for early detection of occult hemorrhage.
- Trial name
- NCT04912232
- Testing
- Detection of Occult Hemorrhage in Trauma Patients
- Where
- United States
- Volunteers
- 1 people
- Sponsor
- Dartmouth-Hitchcock Medical Center
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
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
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
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
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