Clinical trials: Conduction Defect
Ventricular Premature Complexes
Relativity Study Between Idiopathic Ventricular Arrhythmia and Sex Hormone Levels in Different Stages of Menstrual Cycle
The purpose of this study is to determine whether the occurrence of idiopathic right ventricular outflow tract(RVOT) arrhythmia is relative to sex hormone levels in different stages of female menstrual cycle
- Trial name
- NCT00606736
- Where
- China
- Volunteers
- healthy volunteers welcome
- Sponsor
- Harbin Medical University
Atrial Fibrillation, Atrial Flutter
Excessive Supraventricular Activity and Atrial Fibrillation
The aim of the proposed study is to determine if individuals with excessive supraventricular ectopic activity (ESVEA) on Holter recording should be subjected to prolonged screening with Event loop recorder in order to detect…
- Conditions
- Atrial Fibrillation, Atrial Flutter, Supraventricular Beat, Premature, Premature Supraventricular Beats
- Trial name
- ESA-AF (NCT04593498)
- Testing
- Holter recording, Echocardiography (Echo), Blood sample
- Where
- Sweden
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Karolinska Institutet
TAVI
Impact of Tilt Angle on Conduction Defects During Transcatheter Aortic Valve Implantation (TAVI)
Investigate the predictors of conduction abnormalities after TAVI, and in particular the predictive role of the tilt-angle during implantation.
- Trial name
- NCT04083040
- Testing
- transcatheter aortic valve implantation
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- Assiut University
Non Invasive Test of Pulse and Oxygen Saturation
Ambulatory Measurements of Physiological Parameters
Ambulatory monitoring of physiological variables is important in following the health status of individuals in non-hospital controlled situations.
- Trial name
- LIFEBEAM (NCT01267513)
- Where
- Israel
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Meir Medical Center
Sudden Unexplained Death Syndrome, Sudden Unexplained Death in Childhood
Sudden Unexplained Death in Childhood (SUDC) Registry
The purpose is to increase the understanding of the characteristics, circumstances, medical histories and pathologies of children from ages 11 months through 18 years who have died suddenly and unexpectedly, and in some…
- Trial name
- SUDC (NCT03109197)
- Testing
- Biospecimin Collection
- Where
- United States
- Volunteers
- 1,600 people, healthy volunteers welcome
- Sponsor
- NYU Langone Health
Arrhythmias, Cardiac, Tachycardia, Ventricular
Cardiac Arrhythmias at Extreme Altitude
Background: Exposure to high altitudes has been associated with an increased risk of cardiac arrhythmias in healthy subjects and an increased risk of sudden cardiac death.
- Conditions
- Arrhythmias, Cardiac, Tachycardia, Ventricular, Tachycardia, Supraventricular, Bradycardia
- Trial name
- SUMMIT (NCT05676398)
- Testing
- Ambulatory rhythm recording
- Where
- Nepal
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Asthma, Heart Rate Fast
Acute Effect of Salbutamol on Heart Rate and Blood Pressure During Exercise in Patients With Moderate or Severe Asthma and Healthy Subjects
Contextualization: Exercise is a common triggers of bronchospasm in patients with asthma and healthy subjects. To prevent these symptoms frequently they have to use Short-Acting Beta2-Agonists.
- Trial name
- NCT03044938
- Testing
- salbutamol
- Where
- Brazil
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Universidade Ibirapuera
Tachycardia
Incident and Extent of Pulse Alteration During Local Anesthesia in Children
Incident and extent of pulse alteration during administration of various modes of local anesthesia in children during routine dental treatment.
- Trial name
- NCT02328729
- Testing
- mandibular block with Epinephrine, C-CLAD-IL with Epinephrine, Infiltration with Epinephrine
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Tel Aviv 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
Ventricular Premature Complexes, Atrial Premature Complexes
Oral Magnesium Supplementation in Athletes With Premature Ventricular Contractions or Premature Atrial Contractions.
Magnesium is a mineral which is essential to many of the processes which happen in the body. This includes normal function of muscles; including the heart.
- Trial name
- NCT04186728
- Testing
- Magnesium glycinate
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Brugada Syndrome 1
Brugada Syndrome and Artificial Intelligence Applications to Diagnosis
Aim of the project is the development of an integrated platform, based on machine learning and omic techniques, able to support physicians in as much as possible accurate diagnosis of Type 1 Brugada Syndrome (BrS).
- Trial name
- BrAID (NCT04641585)
- Testing
- Patients affected by Brugada Syndrome 1
- Where
- 6 sites in Italy
- Volunteers
- 144 people, healthy volunteers welcome
- Sponsor
- Istituto di Fisiologia Clinica CNR
Ventricular Tachycardia
Calmodulin Gene Mutations in Patients With Ventricular Arrhythmia of Unknown Origin - A Screening Study
The aim of this study is to screen a well characterized patient population with ventricular tachycardia of unknown origin and treated with an implantable cardioverter-defibrillator (ICD) for mutations in the calmodulin genes.
- Trial name
- NCT01947543
- Where
- Sweden
- Volunteers
- healthy volunteers welcome
- Sponsor
- Region Örebro County
Long QT Syndrome
Phase 1 Study of LQT-1213 in Healthy Adults
This is a single-center, randomized, double-blind, placebo-controlled study to be conducted in 2 parts: single ascending dose (SAD) incorporating a food effect arm and multiple ascending dose (MAD).
- Trial name
- NCT05759962
- Testing
- LQT-1213
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Thryv Therapeutics, Inc.
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
Long QT Syndrome, Cardiac Repolarization
Effect of Beta-blocker Therapy on QTc Response in Exercise and Recovery in Normal Subjects
Background. In congenital long QT syndrome type 1 (LQT1), episodes of ventricular tachycardia are usually triggered by exercise and can be prevented in most patients by beta-blocker therapy.
- Trial name
- NCT00588965
- Testing
- Propranolol LA
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- MetroHealth Medical Center
Brugada Syndrome
Southeast Asian Brugada Syndrome Cohort
Brugada syndrome (BrS) is the leading cause of sudden death in young Asian adults including Thailand. This syndrome may be hereditary and involve mutations in certain genes.
- Trial name
- SEA-BrS (NCT04232787)
- Where
- 11 sites in Thailand
- Volunteers
- 750 people, healthy volunteers welcome
- Sponsor
- Chulalongkorn 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
Premature Atrial Contractions, Premature Ventricular Contractions
The MARY-JANE Cannabis and Heart Rhythm Trial
Despite recreational cannabis now being legal in 23 states, where more than 100 million Americans reside, studies on the actual health effects are limited.
- Trial name
- NCT06021613
- Testing
- Randomized instructions
- Where
- 2 sites in United States
- Volunteers
- 108 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Asystole, Sinus Bradycardia
uPHI: Wireless Body Area Network Core Technology
The application scenario is shown in the figure below: the user utilizes an ECG-based wireless sensor (WiBoC Chipset), and transmit those signals to a mobile-phone device that has an embedded expert system integrated.
- Conditions
- Asystole, Sinus Bradycardia, Sinus Tachycardia, Sinus Arrhythmia
- Trial name
- uPHI (NCT01200667)
- Where
- Taiwan
- Volunteers
- 380 people, healthy volunteers welcome
- Sponsor
- Taipei Medical University WanFang Hospital
Cardiac Complexes, Premature, Atrial Fibrillation
Gravitational Arrhythmogenesis Can the Often-heard Symptom of Body Position Dependent Palpitations be Proven
This study aims to assess the relationship between body position and the occurrence of either atrial or ventricular premature beats and more complex arrhythmia
- Trial name
- NCT05347953
- Testing
- Single night downgraded home polygraphy
- Where
- Netherlands
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Catharina Ziekenhuis Eindhoven