Clinical trials: Pacemaker Malfunction
Heart Failure, Pacemaker DDD
Non-Invasive Method for Evaluation of Cardiac Resynchronization Therapy
Left bundle branch block (LBBB) exists in about 25% of patients with congestive heart failure and is associated with worsened prognosis.
- Conditions
- Heart Failure, Pacemaker DDD, Cardiomyopathies, Heart Diseases
- Trial name
- NIME-CRT (NCT05868616)
- Testing
- Cardiac Resynchronization Therapy (CRT)
- Where
- Norway
- Volunteers
- 80 people
- Sponsor
- Oslo University Hospital
Defibrillators, Implantable, Heart Failure With Reduced Ejection Fraction
Multi-centre Observational Registry on Patients With Implantable Devices Remotely Monitored
Multicentric, observational, retrospective registry including patients underwent implantable device implantation (pacemaker or ICD) for any indication in the period from 2009 to 2016, followed by remote monitoring.
- Conditions
- Defibrillators, Implantable, Heart Failure With Reduced Ejection Fraction, Arrythmia, Pacemaker
- Trial name
- IMPLANTED (NCT03061747)
- Testing
- Assesment of outcome of implantable device patients
- Where
- 6 sites in Italy
- Volunteers
- 1,000 people
- Sponsor
- Azienda Ospedaliera Cardinale G. Panico
Heart Failure, Congestive
Effect of Chronic Changes in Heart Rate on Congestive Heart Failure
This will be a double blind randomized crossover study of patients with congestive heart failure and a heart rate dependent upon a permanent pacemaker.
- Trial name
- NCT00389649
- Testing
- heart rate setting
- Where
- United States
- Volunteers
- 13 people
- Sponsor
- University of Maryland, Baltimore
Heart Failure, Congestive Heart Failure
PROSPECT: Predictors of Response to Cardiac Re-Synchronization Therapy
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
- Heart Failure, Congestive Heart Failure, Cardiomyopathy
- Trial name
- NCT00253357
- Where
- 28 sites in United States, Austria and 11 more
- Volunteers
- 450 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Heart Failure, Systolic, Left Bundle Branch Block
Acute Hemodynamic Effects of Pacing the His Bundle in Heart Failure
Cardiac resynchronization therapy (CRT) with biventricular pacing (BVP) is indicated for patients with low ejection fraction and persistent symptoms of heart failure despite medical therapy and a wide QRS-complex, preferably with…
- Conditions
- Heart Failure, Systolic, Left Bundle Branch Block, Wide QRS Complex
- Trial name
- HEPA-His (NCT04701112)
- Testing
- Temporary His bundle pacing
- Where
- Sweden
- Volunteers
- 2 people
- Sponsor
- Region Skane
Heart Failure, Systolic, Pacemaker
Optimising Pacing for Contractility 2
The investigators have demonstrated that they can reliably identify an optimum heart rate range for contractility of the left ventricle in patients with chronic heart failure (CHF).
- Trial name
- OPT-cont 2 (NCT04201015)
- Testing
- Heart rate optimisation using force frequency data
- Where
- United Kingdom
- Volunteers
- 400 people
- Sponsor
- University of Leeds
Heart Failure
LV Dysfunction Following Pacemaker Placement
Several studies have confirmed the link between chronic RV apical pacing and the development of heart failure and LV systolic dysfunction in some patients 1,2.
- Trial name
- NCT03850808
- Where
- United States
- Volunteers
- 500 people
- Sponsor
- Oregon Health and Science University
Atrial Fibrillation, Heart Failure
AV Node Ablation and Pacemaker Therapy Compared to Drug Therapy for Atrial Fibrillation - Pilot Study
The purpose of this study is to determine whether early atrioventricular node (AVN) ablation with pacing device therapy will reduce death and hospitalization when compared to the conventional drug therapy in elderly patients with…
- Trial name
- PACIFIC (NCT00589303)
- Testing
- FDA approved rate and rhythm control drugs, AV Node ablation and device implant
- Where
- 6 sites in United States, Canada
- Volunteers
- 27 people
- Sponsor
- Mayo Clinic
Heart Failure, Exercise Tolerance
Effects of Atrial Rate-adaptive Pacing on Exercise Capacity in Patients With Chronic Heart Failure Complicated by Chronotropic Incompetence
Chronotropic incompetence consists of an insufficient increase in heart rate during effort, and its presence is recognized as a common feature in patients with heart failure due to left ventricular systolic dysfunction…
- Trial name
- NCT01016431
- Testing
- Rate-adaptive pacemaker programming, VVI at 40 bpm
- Where
- Italy
- Volunteers
- 20 people
- Sponsor
- Federico II University
Heart Failure With Reduced Ejection Fraction
Respiratory Sinus Arrhythmia Pacing Post-CABG Surgery in Patients With HFrEF
The goal of this clinical trial is to test a new type of pacemaker in heart failure patients following a heart bypass operation.
- Trial name
- RSA-PACE (NCT06384963)
- Testing
- Atrial pacing with respiratory sinus arrhythmia (RSA) variability, Monotonic right atrial overdrive pacing
- Where
- 3 sites in Australia, New Zealand
- Volunteers
- 54 people
- Sponsor
- Ceryx Medical Australia
Heart Failure, Pacemaker-Induced Cardiomyopathy
The PICM Risk Prediction Study - Application of AI to Pacing
Development of pacing induced cardiomyopathy (PICM) is correlated to a high morbidity as signified by an increase in heart failure admissions and mortality.
- Conditions
- Heart Failure, Pacemaker-Induced Cardiomyopathy, Pacemaker Complication
- Trial name
- NCT06449079
- Testing
- Machine learning
- Where
- 3 sites in United Kingdom
- Volunteers
- 10,000 people
- Sponsor
- Guy's and St Thomas' NHS Foundation Trust
Sinus Node Disease
Clinical Benefits of the Closed Loop Stimulation in Sinus Node Disease
The study is designed as a multi-center, international, prospective, parallel, randomized, single blinded trial comparing the time to first primary endpoint event (Sustained Paroxysmal AF/Persistent AF or stroke/TIA) occurrence…
- Trial name
- B3 (NCT02579889)
- Testing
- DDD+CLS, DDD(R)
- Where
- 54 sites in China, Hungary and 7 more
- Volunteers
- 1,390 people
- Sponsor
- Biotronik SE & Co. KG
Heart Failure, Atrial Fibrillation
Rhythm Control - Catheter Ablation With or Without Anti-arrhythmic Drug Control of Maintaining Sinus Rhythm Versus Rate Control With Medical Therapy and/or Atrio-ventricular Junction Ablation and Pacemaker Treatment for Atrial Fibrillation
Atrial fibrillation and heart failure are two common heart conditions that are associated with an increase in death and suffering. When both of these two conditions occur in a patient the patient's prognosis is poor.
- Trial name
- RAFT-AF (NCT01420393)
- Testing
- Rhythm control, Rate Control
- Where
- 21 sites in Brazil, Canada and 2 more
- Volunteers
- 411 people
- Sponsor
- Ottawa Heart Institute Research Corporation
Heart Failure, Dyspnea
Correlation Research Study: IQ2, NcIQ and IQ101
The new NcIQ thoracic impedance monitor is based on the predicate device, the IQ101. The new model uses the same 3-dimensional signal averaging as the original device, but also include second radio frequency signal to permit the…
- Conditions
- Heart Failure, Dyspnea, Hypertension, Pacemaker
- Trial name
- NMT-CT (NCT00491777)
- Testing
- Noninvasive Hemodynamic Patient Monitor
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Noninvasive Medical Technologies, Inc.
Heart Failure and Reduced Ejection Fraction, Dyssynchrony
Comparing Three Types of Specialist Pacemakers to Improve Heart Function and Reduce Rhythm Problems in Heart Failure
The goal of this clinical trial is to find out which type of specialist pacemaker-known as cardiac resynchronisation therapy (CRT)-works best for people with heart failure and a delay in how the lower chambers of the heart beat…
- Trial name
- RIPCORD-CRT (NCT07430553)
- Testing
- Biventricular pacing, Conduction system pacing, Left bundle optimised cardiac resynchronisation therapy
- Where
- United Kingdom
- Volunteers
- 60 people
- Sponsor
- Imperial College London
Pacing-Induced Cardiomyopathy, Heart Failure
Physiological Versus Right Ventricular Outcome Trial Evaluated for Bradycardia Treatment Upgrades
Guidelines for patients having first-time implants advocate that even when heart function is only mildly impaired, modern pacing approaches should be utilised to avoid the potentially damaging effects of RV pacing to preventing…
- Trial name
- PROTECT-UP (NCT06052475)
- Testing
- Physiological Pacing Upgrade (Conduction System Pacing or Biventricular Pacing), Continued RV Pacing (Right Ventricular Pacing)
- Where
- 12 sites in United Kingdom
- Volunteers
- 155 people
- Sponsor
- Imperial College London
Congenital Complete Atrioventricular Heart Block, High Grade Atrioventricular Block
Effects of Chronic Right Ventricular Pacing in Children With Advanced Atrioventricular Block
Recent studies have shown that chronic stimulation of the right ventricle can cause deleterious effects to cardiac function and synchronicity.
- Conditions
- Congenital Complete Atrioventricular Heart Block, High Grade Atrioventricular Block, Postoperative Complete Heart Block
- Trial name
- NCT01477658
- Where
- Brazil
- Volunteers
- 140 people
- Sponsor
- University of Sao Paulo
Cardiomyopathy, Cardiac Arrhythmia
RF Surgical Sponge-Detecting System on the Function of Pacemakers and Implantable Cardioverter Defibrillators
If a surgical sponge is mistakenly left inside a patient's body after a surgical procedure, it can cause a serious infection. To prevent this from happening, a new device has been developed that uses radiofrequency (RF) signals…
- Conditions
- Cardiomyopathy, Cardiac Arrhythmia, Heart Failure, Chronic Thromboembolic Pulmonary Hypertension
- Trial name
- RF (NCT02111980)
- Testing
- RF Assure Scanning
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- University of California, San Diego
Aortic Valve Stenosis, Heart Failure
Conventional Versus Left Bundle Branch Pacing in TAVI
This randomized study compares the effects of conventional (right ventricular pacing in patients with LVEF ≥ 40% and cardiac resynchronization therapy in patients with LVEF < 40 %) versus left bundle branch pacing on left…
- Conditions
- Aortic Valve Stenosis, Heart Failure, Pacemaker-Induced Cardiomyopathy, Transcatheter Aortic Valve Implantation
- Trial name
- NCT05895097
- Testing
- Left bundle branch pacemaker, Conventional pacing
- Where
- Slovenia
- Volunteers
- 50 people
- Sponsor
- University Medical Centre Ljubljana
Sinus Node Disease, AV Block
Ingenio Device Algorithm Study
The purpose of the IVORY Study is to gather data to support global submissions/approvals for some models of the Ingenio device family.
- Conditions
- Sinus Node Disease, AV Block, Heart Failure
- Trial name
- IVORY (NCT01441583)
- Testing
- RAAT, RYTHMIQ
- Where
- 21 sites in Austria, Belgium and 10 more
- Volunteers
- 139 people
- Sponsor
- Boston Scientific Corporation