Clinical trials: Cardiac Conduction Defect
Brugada Syndrome, Long QT Syndrome 3
Worm Study: Modifier Genes in Sudden Cardiac Death
Quest for modifier genes associated with ventricular arrhythmias in presence of a cardiac sodium channel gene (SCN5A-delPhe1617) mutation.
- Trial name
- NCT02014961
- Testing
- Dermal biopsy, Gastro-intestinal questionnaire, Whole-exome sequencing
- Where
- Netherlands
- Volunteers
- 223 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Long Qt Syndrome 1-2, Sudden Cardiac Death
Exploring Mechanisms and Morphology of QT Interval Prolongation
The projects will try and optimise the risk stratification for patients with Long QT syndrome by investigating how the exposure of physical and acoustic stress will affect the QT-dynamics and if beta blockers protect against…
- Trial name
- TriQarr (NCT03291145)
- Testing
- Beta Blockers, Spironolactone
- Where
- Denmark
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Herlev and Gentofte Hospital
Supraventricular Tachycardia
Troponin Leaks in Emergency Department Patients Presenting With Supraventricular Tachycardia (SVT)
The goal of this study is twofold. First the investigators would like to determine the trajectory of troponin leaks; if it can be shown that the participants who have only minimal elevations of their repeat troponin universally…
- Trial name
- NCT02810561
- Testing
- No Intervention
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- Corewell Health South
Left Bundle-Branch Block, Right Bundle-Branch Block
Non-invasive Mapping Using Ultra-high Frequency Electrocardiography
Cardiac electrical mapping is an important tool that allows doctors to study the electrical activity of the heart in detail. Electrical mapping systems used in clinical practice are time consuming, invasive and very costly.
- Conditions
- Left Bundle-Branch Block, Right Bundle-Branch Block, Non-Specific Intraventricular Conduction Defect
- Trial name
- NCT04537455
- Testing
- Ultra-high frequency electrocardiography
- Where
- United Kingdom
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Imperial College London
Spinal Muscular Atrophy, Fragile X Syndrome
Early Check: Expanded Screening in Newborns
Early Check provides voluntary screening of newborns for a selected panel of conditions. The study has three main objectives: 1) develop and implement an approach to identify affected infants, 2) address the impact on infants and…
- Conditions
- Spinal Muscular Atrophy, Fragile X Syndrome, Fragile X - Premutation, Duchenne Muscular Dystrophy
- Trial name
- NCT03655223
- Testing
- Confirmatory Testing
- Where
- United States
- Volunteers
- 30,000 people, healthy volunteers welcome
- Sponsor
- RTI International
Healthy, Long QT Syndrome
Study Evaluating the Effects of Multiple Oral Doses of ERB-041 on Cardiac Repolarization in Healthy Subjects
To assess the effect of ERB-041 after multiple oral doses on cardiac repolarization as assessed by the QTc interval.
- Trial name
- NCT00316459
- Testing
- ERB-041
- Where
- United States
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Wyeth is now a wholly owned subsidiary of Pfizer
Long QT Syndrome, Abnormalities, Drug-Induced
Novel Approaches for Minimizing Drug-Induced QT Interval Lengthening
This research will determine if: 1) Oral progesterone attenuates drug-induced QT interval, J-Tpeak and Tpeak-Tend lengthening in postmenopausal women 50 years of age or older, and 2) Transdermal testosterone attenuates…
- Trial name
- NCT04675788
- Testing
- Progesterone, Ibutilide, Testosterone
- Where
- 3 sites in United States
- Volunteers
- 73 people, healthy volunteers welcome
- Sponsor
- Indiana University
Fatigue, Tachycardia
Effect of Caffeine on Heart Function
The primary objective of this study is to assess the effect of an energy drink on ventricular repolarization as measured by the interval between the cardiac Q wave and the cardiac T wave (QT interval)obtained from the body…
- Trial name
- NCT02401776
- Testing
- Monster Energy Drink, Coffee
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Texas at Austin
Arrhythmias, Cardiac
Biospecimen Repository for Cardiac Arrhythmias at the Cleveland Clinic
Biorepository of blood and or tissue samples from patients presenting with cardiac arrhythmia syndromes.
- Trial name
- NCT00921986
- Where
- United States
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- The Cleveland Clinic
Heart Block AV
Micra AV Tracking During Exercise Testing
The purpose of this study is to determine the effectiveness of the Micra AV 2.0 device during exercise or elevated heart rates. Participation in research studies is voluntary.
- Trial name
- NCT05966168
- Testing
- Medtronic Micra AV Device
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Duke University
Ventricular Ejection Fraction, LVF
AI-Enabled Direct-from-ECG Ejection Fraction (EF) Severity Assessment Using COR ECG Wearable Monitor
This prospective, multicenter, cluster-randomized controlled study aims to evaluate the accuracy of an investigational artificial intelligence (AI) Software as a Medical Device (SaMD) designed to compute ejection fraction (EF)…
- Conditions
- Ventricular Ejection Fraction, LVF, LV Dysfunction, Atrial Enlargement
- Trial name
- EFACT (NCT06699056)
- Testing
- 15-minutes of sitting during COR ECG Acquistion
- Where
- 8 sites in United States
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Peerbridge Health, Inc
Long QT Syndrome, Catecholaminergic Polymorphic Ventricular Tachycardia Type 1
Evaluation of Exercise Testing and Physical Activity in Children and Adolescents Living With Inherited Arrhythmias
The goal of this observational study is to evaluate exercise testing and daily physical activity in children and adolescents who are diagnosed with an inherited arrhythmia.
- Conditions
- Long QT Syndrome, Catecholaminergic Polymorphic Ventricular Tachycardia Type 1, Catecholaminergic Polymorphic Ventricular Tachycardia Type 2
- Trial name
- ACTIVELY (NCT06661278)
- Testing
- Exercise tolerance test, Physical activity & heart rate monitoring
- Where
- 2 sites in United Kingdom
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Royal Brompton & Harefield NHS Foundation Trust
TAVI(Transcatheter Aortic Valve Implantation), Conduction Disorder
Biomarkers of Inflammation and Fibrosis in Conduction Disorders After TAVI
Prediction of conduction disorders (CDs) in patients with severe aortic stenosis (AS) undergoing transcatheter aortic valve implantation (TAVI) is an important and complex process with a significant impact on patient outcomes.
- Conditions
- TAVI(Transcatheter Aortic Valve Implantation), Conduction Disorder, Aortic Stenosis, Permanent Pacemaker Implantation
- Trial name
- NCT07201363
- Testing
- Biomarkers of inflammation and fibrosis in pre-procedural serum blood samples, Transthoracic echocardiography with myocardial deformation analysis and staging according to the extent of cardiac damage related to AS
- Where
- Croatia
- Volunteers
- 102 people, healthy volunteers welcome
- Sponsor
- Clinical Hospital Center Rijeka
Long QT Syndrome
Study of LQT-1213 on QTc-induced Prolongation in Healthy Adult Subjects (Part1) and on Congenital Long QT in Patients Diagnosed With Type 2 or 3 Long QT Syndrome (Part 2).
Part 1: This is a Phase 1b, randomized, double-blind, crossover, dose escalation, placebo-controlled study to evaluate the effect of oral LQT-1213 on dofetilide-induced QTc prolongation in healthy adult subjects.
- Trial name
- NCT05906732
- Testing
- LQT-1213, Dofetilide 250 μg Cap
- Where
- United States
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Thryv Therapeutics, Inc.
Premature Ventricular Contraction (PVC)
Use of Adenosine to Determine the Electrophysiological Mechanism of Premature Ventricular Contractions
Unblinded, controlled, non-randomized, mechanistic study to determine whether physiological mechanisms underlying PVC are sensitive to adenosine.
- Trial name
- NCT03218137
- Testing
- Adenosine
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Weill Medical College of Cornell University
Tachycardia, Chronic Orthostatic Intolerance
Treatment of Orthostatic Intolerance
This trial is designed to study the effects of various mechanistically unique medications in controlling excessive increases in heart rate with standing and in improving the symptoms of orthostatic intolerance in patients with…
- Trial name
- NCT00262470
- Testing
- Acetazolamide, Atomoxetine, NO Drug
- Where
- United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Satish R. Raj
Sinus Rhythm, Atrial Fibrillation
Prevention of Stroke and Sudden Cardiac Death by Recording of 1-Channel Electrocardiograms
Single-channel electrocardiograms (lead I of 12-lead surface ECG; 30 seconds) will be collected from subjects/patients at 11 clinical centers in Germany to train an Artificial Intelligence in the automatic diagnosis of regular…
- Conditions
- Sinus Rhythm, Atrial Fibrillation, Atrial Premature Complexes, Ventricular Premature Complexes
- Trial name
- PRICE (NCT04637230)
- Testing
- Electrocardiogram analysis by Artificial Intelligence
- Where
- Germany
- Volunteers
- 10,000 people, healthy volunteers welcome
- Sponsor
- A-Rhythmik GmbH
Sick Sinus Syndrome
The Role of Angiotensinogen Gene Polymorphism in the Pathogenesis of Non-familial Sick Sinus Syndrome
Evidence has been documented for the close relationship between the arrhythmia pathogenesis and the gene expression in renin-angiotensin system.
- Trial name
- NCT01310920
- Testing
- observation
- Where
- Taiwan
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- China Medical University Hospital
Fibromyalgia Syndrome
Palpitations and Tachycardia in Fibromyalgia Syndrome
Clinically Characterized by the presence of chronic widespread pan and tenderness, Fibromyalgia (FM) is one of the most common "functional" syndromes. FM is currently conceived of as representing a prototype of central pain, i.e.
- Trial name
- NCT01147263
- Testing
- Evaluation of autonomic parameters
- Where
- Israel
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Tel-Aviv Sourasky Medical Center
Postural Tachycardia Syndrome, Orthostatic Tachycardia
Acute Salt Handling in Orthostatic Intolerance
The investigators will test the hypothesis that patients with chronic orthostatic intolerance or postural orthostatic tachycardia syndrome (OI or POTS) will be unable to conserve urinary sodium as compared to healthy control…
- Conditions
- Postural Tachycardia Syndrome, Orthostatic Tachycardia, Orthostatic Intolerance
- Trial name
- NCT00581633
- Testing
- normal saline (0.9%)
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University