Clinical trials: Heart Conduction System
Cardiovascular Diseases, Heart Diseases
Long QT Syndrome-Population Genetics and Cardiac Studies
To investigate the clinical, genetic and cardiologic aspects of the Long QT Syndrome, a predominantly hereditary disease with episodic malignant arrhythmias and sudden death, and a demonstrated gene linkage in a large pedigree.
- Conditions
- Cardiovascular Diseases, Heart Diseases, Ventricular Arrhythmia, Long QT Syndrome
- Trial name
- LQTS (NCT00005176)
- Where
- United States
- Volunteers
- 2,125 people
- Sponsor
- University of Rochester
Bradycardia, Atrioventricular Block
Safety, Performance, and Clinical Benefit of Pacing the Left Bundle Branch Area - Post-Market Clinical Follow-up
The goal of this observational post-market clinical Follow-up study is to learn about the long-term safety, performance, and clinical benefits of pacing the left bundle branch area (LBBAP) using the INGEVITY+ pacemaker lead in…
- Conditions
- Bradycardia, Atrioventricular Block, Sinus Node Dysfunction, Bundle-Branch Block
- Trial name
- SEPTA PMCF (NCT07209852)
- Testing
- Pacemaker lead
- Where
- 13 sites in Belgium, France and 5 more
- Volunteers
- 140 people
- Sponsor
- Boston Scientific Corporation
Atrioventricular Conduction Block
Micra Atrial TRacking Using A Ventricular AccELerometer 2
The purpose of the Micra Atrial TRacking Using A Ventricular AccELerometer 2 (MARVEL 2) study is to demonstrate safe and effective operation of the MARVEL 2 features for providing AV synchronous pacing in patients with normal…
- Trial name
- MARVEL2 (NCT03752151)
- Testing
- MARVEL 2 Algorithm Monitor Mode then Adaptive Mode
- Where
- 12 sites in United States, Austria and 6 more
- Volunteers
- 77 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Supraventricular Tachycardia
Treatment Study of AV Node Reentry Tachycardia
Compare the effectiveness and safety of two techniques for modification of slow AV nodal pathway conduction underlying AVNRT: 1) New Ablation Technique, low voltage and wave front collision mapping vs.
- Trial name
- AVNRT (NCT04232371)
- Testing
- New Ablation Technique, Standard Ablation Technique
- Where
- 5 sites in United States
- Volunteers
- 300 people
- Sponsor
- Jeffrey Moak
Hyperkalemia
Effect of Sodium Zirconium Cyclosilicate on Arrythmia-related Cardiovascular Outcomes in Participants on Chronic Hemodialysis With Recurrent Hyperkalemia (DIALIZE-Outcomes)
The purpose of this study is to evaluate the effect of Sodium Zirconium Cyclosilicate (SZC) on arrhythmia-related cardiovascular outcomes in participants on chronic hemodialysis with recurrent hyperkalemia.
- Trial name
- NCT04847232
- Testing
- Sodium Zirconium Cyclosilicate (SZC)
- Where
- 340 sites in United States, Argentina and 24 more
- Volunteers
- 2,690 people
- Sponsor
- AstraZeneca
Ventricular Tachycardia
Ultra-high Density Mapping With Multielectrode Catheter vs Conventional Point by Point Mapping for Ventricular Tachycardia Substrate Ablation
Ultra-high density mapping with multielectrode catheter may improve slow conduction channels identification in ventricular tachycardia substrate ablation procedures compared to conventional point by point mapping.
- Trial name
- NCT02083016
- Testing
- Ablation guided by conventional mapping., Ablation guided by ultra-high density mapping with multielectrode catheter.
- Where
- Spain
- Volunteers
- 20 people
- Sponsor
- Hospital Clinic of Barcelona
Long QT Syndrome Type 3
Long Term Prophylactic Therapy of Congenital Long QT Syndrome Type III (LQT3) With Ranolazine
The purpose of this study is to determine whether ranolazine will reduce the risk of arrhythmic events in patients with long QT syndrome type 3.
- Trial name
- NCT01728025
- Testing
- Ranolazine
- Where
- Israel
- Volunteers
- 10 people
- Sponsor
- Tel-Aviv Sourasky Medical Center
Paroxysmal Supraventricular Tachycardia, Atrioventricular Nodal Reentrant Tachycardia
A Multicenter Study of Pulsed Field Ablation for Paroxysmal Supraventricular Tachycardia
The purpose of this study was to explore the safety and efficacy of pulsed field ablation（PFA) in the treatment of paroxysmal pupraventricular pachycardia（PSVT）with a contact force(CF)-sensing PFA Catheter
- Conditions
- Paroxysmal Supraventricular Tachycardia, Atrioventricular Nodal Reentrant Tachycardia, Atrioventricular Reciprocating Tachycardia
- Trial name
- PSVT (NCT05820035)
- Testing
- Pulsed Field Ablation Device and CF-Sensing Pulsed Field Ablation Catheter
- Where
- China
- Volunteers
- 164 people
- Sponsor
- Shanghai MicroPort EP MedTech Co., Ltd.
Refractory Ventricular Tachycardia
STereotactic RadioAblation by Multimodal Imaging for VT (STRA-MI-VT)
Study of multimodal-imaging guided stereotactic body radiotherapy (SBRT) for ventricular tachycardia (VT) ablation.
- Trial name
- STRA-MI-VT (NCT04066517)
- Testing
- SBRT
- Where
- 2 sites in Italy
- Volunteers
- 20 people
- Sponsor
- Centro Cardiologico Monzino
Treatment Resistant Schizophrenia, Clozapine Adverse Reaction
Effect of Atenolol Versus Ivabradine on HRV in TRS Patients on Clozapine With Tachycardia: A Randomised Control Trial.
Clozapine is the only drug approved for Treatment Resistant Schizophrenia. However, it has been associated with many adverse drug reactions including agranulocytosis, myocarditis, sialorrhea, constipation, orthostasis…
- Conditions
- Treatment Resistant Schizophrenia, Clozapine Adverse Reaction, Heart Rate Variability, Tachycardia
- Trial name
- NCT06505668
- Testing
- Atenolol 25 mg, Ivabradine 10mg
- Where
- India
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- All India Institute of Medical Sciences, Bhubaneswar
Heart Failure, Resynchronization Therapy
Acute Feedback on Left ventrIcular Lead Implantation Location for Cardiac Resynchronization Therapy
Exploratory, prospective, interventional, non-randomized single-center research study to compare metrics derived from 2 or 3-D reconstructions of lead movement, bioimpedance and VCG to augmentation of left ventricular…
- Conditions
- Heart Failure, Resynchronization Therapy, Assessment of Acute CRT Response
- Trial name
- CCI impact (NCT01996397)
- Testing
- Cardiac resynchronization therapy device implantation
- Where
- Norway
- Volunteers
- 34 people
- Sponsor
- Oslo University Hospital
Ventricular Tachycardia, Ischemic Cardiomyopathy
Ablation at Virtual-hEart pRedicted Targets for VT
The goal of this study is to test the efficacy of the new imaging/simulation ("virtual heart") approach for determining the optimal ablation sites in patients with VT, which render post-infarction VT non-inducible.
- Trial name
- AVERT-VT (NCT03536052)
- Testing
- Virtual Heart Guided Ablation
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Johns Hopkins University
Tachyarrhythmia, Atrial Flutter
MCG for Localization of Tachyarrhythmia's Origin
This is an exploratory research aiming to accurately identify the site of origin of tachyarrhythmia using Magnetocardiography (MCG), which will have guiding significance for early diagnosis, the formulation of treatment plans and…
- Conditions
- Tachyarrhythmia, Atrial Flutter, Paroxysmal Supraventricular Tachycardia, Atrial Tachycardia
- Trial name
- NCT06327425
- Testing
- Magnetocardiography
- Where
- China
- Volunteers
- 1,000 people
- Sponsor
- Qilu Hospital of Shandong University
End Stage Renal Disease, Depression
Music Therapy and Dialysis: A Pilot Investigation Into the Effectiveness of Patient-Selected Music Interventions on Physiological, Psychological, and Quality-of-Life Outcomes
The objective of this study is to determine the effect of music therapy during dialysis on: depression, anxiety, quality of life, blood pressure, heart rate, medication compliance, compliance with dialysis treatment, number of…
- Conditions
- End Stage Renal Disease, Depression, Anxiety, Major Depressive Disorder
- Trial name
- NCT03925168
- Testing
- Music therapy
- Where
- 3 sites in United States
- Volunteers
- 50 people
- Sponsor
- Tulane University
Tachycardia
Medtronic Market-Released DF4 Lead Imaging
The Medtronic Market-Released DF4 Lead Imaging Study is a prospective, non-randomized study, multi-center clinical investigation.
- Trial name
- NCT01626768
- Where
- 2 sites in Saudi Arabia, United Kingdom
- Volunteers
- 37 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Premature Ventricular Beats, Premature Ventricular Complexes
Flecainide in Idiopathic Premature Ventricular Contractions and Related Cardiomyopathy
The UNIFLECA study is a prospective, single-arm, observational cohort evaluating the efficacy, safety, and tolerability of flecainide (in the form of Sanocard) in adults with frequent idiopathic premature ventricular contractions…
- Conditions
- Premature Ventricular Beats, Premature Ventricular Complexes, Premature Ventricular Contraction (PVC), Arrhythmia Ventricular
- Trial name
- UNIFLECA (NCT06949748)
- Testing
- Flecainide (monotherapy)
- Where
- 6 sites in Greece
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- University of Athens
Ventricular Tachycardia, Ventricular Fibrillation
Septal - Success Rate and Clinical Outcome of Septal Implant of Ventricular Defibrillation Lead
The purpose of this study is to determine the safety and efficacy of the implant of a ICD lead of defibrillation in the septum of the right ventricle
- Trial name
- NCT00180297
- Testing
- Endotak Reliance G
- Where
- 18 sites in France
- Volunteers
- 215 people
- Sponsor
- Boston Scientific Corporation
Atrioventricular Block
Comparison of SEPTal and Apical Pacing Sites in PerManent Right Ventricular Pacing
The SEPTAL-PM study is aimed to compare the right ventricular apical and right ventricular septal position of the right ventricular lead in patients implanted with a pacemaker for conventional anti-bradycardia pacing indications…
- Trial name
- SEPTAL-PM (NCT00925691)
- Testing
- RV lead
- Where
- 5 sites in France
- Volunteers
- 141 people
- Sponsor
- Rennes University Hospital
Ventricular Tachycardia
Noninvasive Cardiac Radioablation for Ventricular Tachycardia Refractory to Medication and Catheter Ablation
The purpose of this study is to evaluate the safety and efficacy of cardiac radioablation (CRA) as a means of noninvasive treatment of ventricular tachycardia (VT) refractory to both medication and catheter ablation.
- Trial name
- RAD 1901 (NCT04757688)
- Testing
- Cardiac radioablation (CRA)
- Where
- United States
- Sponsor
- John Stahl
Paroxysmal Supraventricular Tachycardia
Radiofrequency Ablation of Paroxysmal Supraventricular Tachycardia Using a Novel Catheter Equipped With Mini Electrodes
Paroxysmal supraventricular tachycardia is treated with radiofrequency ablation recently. This procedure is performed by ablating slow pathway or accessory pathway using radiofrequency ablation catheter.
- Trial name
- NCT04215640
- Testing
- Microfidelity (MIFI) catheter, Conventional ablation catheter
- Where
- South Korea
- Volunteers
- 136 people
- Sponsor
- Yong Seog Oh