Clinical trials: Conduction Disorder of the Heart
Heart Block, Bradycardia
iPod and Other MP3 Players on ICDs and Pacemakers in Children
Unlike phones, which are commonly held to the ear, music is now available via portable MP3 players and they can be held almost anywhere.
- Conditions
- Heart Block, Bradycardia, Tachycardia, Arrhythmia
- Trial name
- NCT00542854
- Testing
- MP3
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- Boston Children's Hospital
Ventricular Tachyarrhythmia
Change in Heart Rate Variability Prior to Tachyarrhythmia in ICD Implanted Patients
To investigate changes in HRV during the time before a spontaneous episode of ventricular tachyarrhythmia.
- Trial name
- HRV (NCT00701467)
- Where
- Israel
- Volunteers
- 50 people
- Sponsor
- Sheba Medical Center
Supraventricular Tachycardia
Evaluation of the Pharmacokinetic Profile, Pharmacodynamic Effects, Acceptability and Tolerability of an Oral Amiodarone Solution of 15 mg / mL in Children With Supra Ventricular Tachycardia
The supra ventricular tachycardia is the most common symptomatic arrhythmia in pediatrics. Amiodarone is an antiarrhythmic drug used in this indication.
- Trial name
- Enteramio (NCT03153072)
- Testing
- Assess the absorption of oral amiodarone
- Where
- France
- Sponsor
- Centre Hospitalier Universitaire, Amiens
Right Bundle-Branch Block, Heart Failure With Reduced Ejection Fraction
Bifocal Right Ventricular PAcing in Right Bundle Branch blocK and Heart Failure With Reduced Ejection Fraction. The Study Tests the Superiority of Right Ventricular Bifocal Stimulation Over VVI Implantable Defibrillator in Right Bundle Branch Block and Heart Failure.
RATIONALE: Cardiac resynchronization therapy (CRT) is known to improve cardiac performance and to reduce morbidity and mortality in reduced-ejection fraction heart failure (HFrEF) despite optimal medical therapy (OMT).
- Conditions
- Right Bundle-Branch Block, Heart Failure With Reduced Ejection Fraction, Bifocal Stimulation
- Trial name
- BiPARK-HF (NCT03524001)
- Testing
- Compare VVi mode versus DDD bifocal stimulation through crossover randomization
- Where
- Italy
- Volunteers
- 13 people
- Sponsor
- Azienda Ospedaliero Universitaria Maggiore della Carita
Cardiac Dysrhythmia
Antiarrythmic Drugs - Long-term Follow-up in the Modern Era
Antiarrhythmic drugs are associated with significant side effect profiles. Amiodarone has primarily class III action and whilst it has unrivalled efficacy in management of certain arrhythmias, it has a formidable side effect…
- Trial name
- NCT01082055
- Where
- United Kingdom
- Volunteers
- 5,000 people
- Sponsor
- University of Dundee
Azithromycin Adverse Reaction, Covid19
The Effect of Azithromycin Use on Conduction System of Heart in COVID-19 Positive Children
Azithromycin (AZ) is used in the pediatric group in COVID-19 diseas. It has been reported to cause prolongation in the QT interval in adult age group.
- Conditions
- Azithromycin Adverse Reaction, Covid19, Long QT Syndrome
- Trial name
- NCT04699097
- Testing
- Azithromycin
- Where
- Turkey (Türkiye)
- Volunteers
- 105 people
- Sponsor
- Kayseri City Hospital
Tachycardia
Molecular Autopsy in Young Individuals With Sudden Cardiac Death
The goal of this observational study is to create and test a pilot workflow for molecular autopsy (genetic testing after death) in children and adults aged 1 to 50 years who died suddenly from an unexplained cause and were…
- Trial name
- NCT07849738
- Testing
- Molecular autopsy by whole exome sequencing, Cascade genetic screening by targeted Sanger sequencing
- Where
- Brazil
- Volunteers
- 200 people
- Sponsor
- University of Sao Paulo
Supraventricular Tachycardia
Using Non-Fluoroscopic Imaging Devices to Decrease Radiation Exposure During Ablation of Supraventricular Tachycardia
The purpose of this study is to determine whether the additional use of non-fluoroscopic imaging modalities can decrease the use of radiation exposure during standard ablation procedures for supraventricular tachycardia (SVT) in…
- Trial name
- NCT00979303
- Testing
- Intracardiac echocardiography and 3D navigational system
- Where
- United States
- Volunteers
- 74 people
- Sponsor
- Boston Children's 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
Sudden Cardiac Death, Sudden Cardiac Arrest
Low QRS Voltages in Young Healthy Individuals and Athletes
There is some limited evidence that reduced size of electrical complexes/traces of the heart on the electrocardiogram (ECG) may be associated with scarring in the heart muscle, which may predispose to serious life-threatening…
- Conditions
- Sudden Cardiac Death, Sudden Cardiac Arrest, Sudden Cardiac Death Due to Cardiac Arrhythmia, Arrhythmogenic Right Ventricular Cardiomyopathy
- Trial name
- NCT05799833
- Testing
- Cardiovascular magnetic resonance scan - 3T scanner (Siemens Vida)
- Where
- United Kingdom
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- Imperial College London
Long QT Syndrome (LQTS) 2
Evaluation of the Efficacy and Safety of THRV-1268 in Participants With Long QT Syndrome Type 2 (LQTS2) and Type 3 (LQTS3)
The goal of this clinical trial is to learn whether the study drug THRV-1268 can safely and effectively shorten the QT interval in people diagnosed with Long QT Syndrome Type 2 (LQTS 2) and Long QT Syndrome Type 3 (LQTS 3).
- Trial name
- Wave II (NCT07277582)
- Testing
- baseline lead-in, THRV-1268
- Where
- 9 sites in United States
- Volunteers
- 84 people
- Sponsor
- Thryv Therapeutics, Inc.
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
Cardiac; Dysrhythmia, Postoperative, Congenital Heart Surgery
Prevention of Post-Operative Cardiac Arrhythmias
Aim 1: Primary Prevention of Post-operative Cardiac Arrhythmias 1. To evaluate the efficacy of dexmedetomidine vs. the combination of Magnesium Sulfate and dexmedetomidine for the prevention of post-operative cardiac arrhythmias…
- Trial name
- POCA (NCT04234906)
- Testing
- Dexmedetomidine, Magnesium Sulfate, Amiodarone
- Volunteers
- 870 people, healthy volunteers welcome
- Sponsor
- Jeffrey Moak
Irregular Heart Rate
Ventricular Synchrony in Pediatric Patients
At Children's Healthcare of Atlanta, children who have irregular heart rhythms are often referred for evaluation. Sometimes they also need a procedure to correct their irregular heart rhythm.
- Trial name
- NCT00165932
- Where
- United States
- Volunteers
- 145 people
- Sponsor
- Emory University
Heart Block, Aortic Stenosis
Glucocorticoid Treatment in Transaortic Valve Replacement to Reduce the Incidence of Conduction Disturbances (GLUCO-TAVR).
The goal of this phase IV, randomized, controlled and open-label study is to assess the efficacy of peri-procedure glucocorticoid treatment in the prevention of conduction abnormalities and the need for pacemaker implantation in…
- Conditions
- Heart Block, Aortic Stenosis, Bundle-Branch Block
- Trial name
- GLUCO-TAVR (NCT06076824)
- Testing
- Methylprednisolone
- Where
- Spain
- Volunteers
- 100 people
- Sponsor
- Hospital General Universitario de Alicante
Long QT Syndrome
Measurement of the Electromechanical Window to Improve the Diagnosis of Congenital Long QT Syndrome
The goal of this research is to prospectively evaluate the performance of the electromechanical window according to a phonographic method, as a mean of diagnosis of long QT syndrome, and to compare its performance with routine…
- Trial name
- FEMQT (NCT04328376)
- Testing
- ECG coupled to phonocardiography
- Where
- 4 sites in France
- Volunteers
- 224 people
- Sponsor
- University Hospital, Bordeaux
Presyncope, Arrhythmias, Cardiac
The IPED (Investigation of Palpitations in the ED) Study
Palpitations (noticeable pounding, fluttering or irregular heart beat) and pre-syncope (near blackout) are common ED problems sometimes due to an abnormal cardiac rhythm.
- Conditions
- Presyncope, Arrhythmias, Cardiac, Tachycardia, Supraventricular, Atrial Fibrillation
- Trial name
- IPED (NCT02783898)
- Testing
- AliveCor Heart Monitor
- Where
- 10 sites in United Kingdom
- Volunteers
- 243 people
- Sponsor
- NHS Lothian
Sensorineural Hearing Loss, Long QT Syndrome
Determine the Incidence of Long QT Amongst a Large Cohort of Subjects Diagnosed With Unilateral or Bilateral Sensorineural Hearing Loss.
The purpose of this study is to determine the true incidence of long QT (LQT) amongst a large cohort of subjects diagnosed with unilateral (right/left) or bilateral sensorineural hearing loss.
- Trial name
- NCT02082431
- Where
- 12 sites in United States
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- Pediatrix
Coronary Artery Spasm, Hypertension
The Prevalence of Coronary Spasm in Hypertensive Patients Treated With Antihypertensive Medication
Autonomic nerve function is involved in both blood pressure (BP) regulation and the pathogenesis of coronary artery spasm(CAS), but few studies have been published about the relationship between CAS and effect of BP lowering…
- Trial name
- NCT01882790
- Where
- 3 sites in South Korea
- Volunteers
- 1,933 people
- Sponsor
- Korea University
Tachyarrhythmias, Heart Failure
Safety and Clinical Performance of the Protecta ICD and CRT-D
The purpose of the study is two-fold. In Phase I (Protecta Clinical Study), system performance will be evaluated. In Phase II (PainFree SST), the inappropriate shock-free rate at one year of subjects implanted with a Medtronic…
- Conditions
- Tachyarrhythmias, Heart Failure, Ventricular Dysfunction
- Trial name
- NCT00982397
- Testing
- Protecta VR-ICD, Protecta DR-ICD or CRT-D
- Where
- 122 sites in United States, Austria and 19 more
- Volunteers
- 2,770 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure