Clinical trials: Conduction Block
Bradycardia
Effectiveness of Pacemaker With Closed Loop Stimulation Compared to Pacemakers With and Without Standard Rate Response
This is a randomized, prospective, single-blinded, multi-center study involving approximately 1500 patients at 100 centers. The purpose of this study is to demonstrate the effectiveness of Closed Loop Stimulation (CLS) rate…
- Trial name
- CLEAR (NCT00355797)
- Testing
- Closed Loop Stimulation (CLS), Standard Rate Adaptive (R) Technology, Non-rate adaptive (DDD) pacing
- Where
- 99 sites in United States
- Volunteers
- 1,491 people
- Sponsor
- Biotronik, Inc.
Acute Myocardial Infarction
PROTECT : Pacing to Protect Heart for Damage From Blocked Heart Vessel and From Re-opening Blocked Vessel(s)
To determine whether the application of ventricular pacing can protect the human heart from damage resulting from a myocardial infarction
- Trial name
- NCT00409604
- Testing
- Temporary RV VVI pacing
- Where
- Netherlands
- Volunteers
- 60 people
- Sponsor
- Guidant Corporation
Heart Failure - NYHA II - IV, Left Bundle Branch Area Pacing
REstoration of SYNChronous Cardiac Function Due to Physiologic cArdiac Pacing Modalities With Clinical Endpoints
The goal of this observational study is to evaluate the long-term clinical outcomes of physiologic cardiac resynchronization therapy (CRT) using conduction system pacing strategies compared with conventional biventricular CRT in…
- Conditions
- Heart Failure - NYHA II - IV, Left Bundle Branch Area Pacing, Left Bundle Branch Block, Intraventricular Conduction Delay
- Trial name
- RESYNC-PACE (NCT07684547)
- Testing
- Physiologic cardiac resynchronization using conduction system pacing and selective LV lead optimization.
- Where
- Hungary
- Volunteers
- 50 people
- Sponsor
- University of Pecs
Anesthesia
The Effect of Brachial Plexus Nerve Block on Distal Peripheral Nerve Conduction
The purpose of this study is to determine the conducting ability of distal extremity nerves after a supraclavicular brachial plexus nerve block (with local anesthetic) has been placed at a more proximal location in the upper…
- Trial name
- NCT01716078
- Where
- United States
- Sponsor
- Defense and Veterans Center for Integrative Pain Management
Sinus Node Dysfunction
Permanent Pacemaker Implantation or Cardioneuroablation in Sinus Node Dysfunction
This is a noncommercial, physician-initiated, monitored, multicenter, prospective randomized clinical trial, a proof-of-concept study, investigating a treatment strategy only.
- Trial name
- SANOK (NCT05196126)
- Testing
- Permament pacemaker implantation, Cardioneuroablation
- Where
- 4 sites in Poland
- Volunteers
- 60 people
- Sponsor
- Stec, Sebastian, MD, PhD, FESC
Bundle-Branch Block, Left, Cardiac Failure
Prognosis of Patients With Compete Left Bundle Branch Block
The investigators sought to evaluate the morphological and functional changes, risk stratification and prognosis of patients of participants with compete left bundle branch block (CLBBB).
- Conditions
- Bundle-Branch Block, Left, Cardiac Failure, ICD/Pacemaker Implantation, Cardiovascular Magnetic Resonance Imaging
- Trial name
- NCT03096678
- Testing
- Cardiac Magnetic Resonance Imaging
- Where
- China
- Volunteers
- 500 people
- Sponsor
- Chinese Academy of Medical Sciences, Fuwai Hospital
Postoperative Pain, Upper Extremity Fracture
Ropivacaine Alone Versus Ropivacaine Plus Lidocaine With or Without Epinephrine for Supraclavicular Brachial Plexus Block in Upper Limb Orthopedic Surgery
This randomized controlled trial compared three local anesthetic solutions for ultrasound-guided supraclavicular brachial plexus block in adults aged 18 to 59 years undergoing upper limb orthopedic and trauma surgery at a general…
- Conditions
- Postoperative Pain, Upper Extremity Fracture, Anesthesia, Conduction
- Trial name
- NCT07907666
- Testing
- ropivacaine, lidocaine, lidocaine with epinephrine
- Where
- Mexico
- Volunteers
- 138 people
- Sponsor
- Instituto Mexicano del Seguro Social
Aortic Valve Stenosis
Indication of Permanent Cardiac Parcing After Tanscatheter Aortic Valve Implantation
Since 2002, transcatheter aortic valve implantation (TAVI) has resulted in a dramatic change in the prognosis of patients with aortic valve stenosis illegible to surgery.
- Trial name
- TAVISTIM (NCT02337140)
- Testing
- Pacemaker SORIN Group KORA DR, transcatheter aortic valve implantation (TAVI)
- Where
- France
- Volunteers
- 165 people
- Sponsor
- University Hospital, Montpellier
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
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
Atrial Fibrillation, Atrial Flutter
Suture Closure AFtEr VEIN Access for Cardiac Procedures (SAFE-VEIN) Trial
Primary objective: To compare the safety and efficacy of closure strategies post venous access procedures. Hypothesis: We anticipate that the use of a venous closure device will decrease the time to hemostasis (TTH), time to…
- Conditions
- Atrial Fibrillation, Atrial Flutter, Heart Block, Pulmonary Embolism and Thrombosis
- Trial name
- SAFE-VEIN (NCT04632641)
- Testing
- Perclose ProGlide Suture-Mediated Closure System (SMC) - LARGE-BORE PROCEDURES, Figure 8 Suture - LARGE-BORE PROCEDURES
- Where
- United States
- Volunteers
- 107 people
- Sponsor
- Wake Forest University Health Sciences
COVID, Arrhythmia
COVIDAR - Arrhythmias in COVID-19
BACKGROUND AND RATIONALE: There is very limited literature available on the arrhythmia occurrence in the context of an infection by the SARS-CoV2 virus.
- Conditions
- COVID, Arrhythmia, Torsades de Pointe Caused by Drug, Qt Interval, Variation in
- Trial name
- COVIDAR (NCT04437901)
- Where
- 5 sites in Belgium, Italy and 3 more
- Volunteers
- 10,000 people
- Sponsor
- Hospital Clinic of Barcelona
Aortic Blood Pressure
The Impact of Heart Rate on Central Blood Pressure in Sick Sinus Syndrome Patients With a Permanent Cardiac Pacemaker
This study is divided into two parts: The first part evaluates the acute effect of non-pharmacological heart rate change on central hemodynamic parameters noninvasively in sick sinus syndrome patients with a permanent cardiac…
- Trial name
- NCT03245996
- Testing
- AAI 40 bpm, AAI 60 bpm, AAI 90 bpm
- Volunteers
- 27 people
- Sponsor
- Tartu University Hospital
Arthroplasty, Replacement, Knee, Pain, Postoperative
Comparison Of Femoral Block And Middle Adductor Canal Block In Patients With Knee Arthroplasty
Femoral and adductor nerve blocks with ultrasonography(USG) guidance are used effectively and efficiently in post-operative pain management in lower extremity surgical procedures.
- Conditions
- Arthroplasty, Replacement, Knee, Pain, Postoperative, Anesthesia and Analgesia, Anesthesia, Conduction
- Trial name
- NCT04768764
- Testing
- Ultrasound Guided Middle Adductor Canal Block, Ultrasound Guided Femoral Nerve Block., Bupivacain
- Where
- Turkey (Türkiye)
- Volunteers
- 52 people
- Sponsor
- Bozyaka Training and Research Hospital
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
Injuries, Hand, Anesthesia Conduction
Cardiovascular Safety Research: Bupivacaine With Vasoconstrictor Versus Ropivacaine in Brachial Plexus Block
The purpose of this study is to determine if bupivacaine (75% levobupivacaine plus 25% racemic bupivacaine) with vasoconstrictor is effective and safety as ropivacaine in brachial plexus block for orthopedic surgery.
- Conditions
- Injuries, Hand, Anesthesia Conduction, Anesthetics, Local
- Trial name
- NCT00523289
- Testing
- Bupivacaine, Ropivacaine
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo
Epilepsy
Cardiac Rhythm Disturbances in Hard-to-treat Epilepsy Patients Using Loop ECG Recorders
Seizure-related cardiac arrhythmias are one of the possible causes of sudden unexpected death in epilepsy (SUDEP). Identification of these patients is challenging because cardiac rhythm disturbances could emerge only during…
- Trial name
- Epi-Loop-Rec (NCT03376087)
- Volunteers
- 193 people
- Sponsor
- National Research Center for Preventive Medicine
AVB - Atrioventricular Block, Fetal AVB
Surveillance and Treatment to Prevent Fetal Atrioventricular Block Likely to Occur Quickly (STOP BLOQ)
Fetal complete (i.e., third degree, 3°) atrioventricular block (AVB), identified in the 2nd trimester of pregnancy in an otherwise normally developing heart, is almost universally associated with maternal anti-Ro autoantibodies…
- Trial name
- NCT04474223
- Testing
- Dexamethasone, IVIG
- Where
- 24 sites in United States, Canada
- Volunteers
- 1,300 people
- Sponsor
- NYU Langone Health
Sick Sinus Syndrome, Complete Atrioventricular Block
Zero-fluoroscopic Navigation Versus Conventional Fluoroscopic Navigation for Single-chamber Pacemaker Implantation
This study is intended to compare the feasibility, safety and efficacy of Ensite-NavX zero-fluoroscopic navigation system to conventional fluoroscopic X-ray approach as to performing single-chamber pacemaker implantation.
- Conditions
- Sick Sinus Syndrome, Complete Atrioventricular Block, High Degree Second Degree Atrioventricular Block, Bradycardia
- Trial name
- ZF-PMSC (NCT03118440)
- Testing
- zero-fluoroscopy 3D navigation, conventional x-ray navigation
- Where
- China
- Volunteers
- 100 people
- Sponsor
- Tongji Hospital
Leadless Pacemaker, Bradycardia
BIOTRONIK Investigation of the LivIQ Leadless Pacemaker System
The objective of this Investigational Device Exemption trial is to confirm the safety and performance of the LivIQ leadless pacemaker system, in patients with a Class I or II indication for ventricular pacing (VVI/VDD) according…
- Conditions
- Leadless Pacemaker, Bradycardia, AV Block, Cardiac Rhythm Disorder
- Trial name
- BIO-LivIQ (NCT07118358)
- Testing
- LivIQ Leadless Pacemaker System
- Where
- 43 sites in United States, Australia and 6 more
- Volunteers
- 325 people
- Sponsor
- Biotronik, Inc.