Clinical trials: Heart Conduction Disorder
Premature Ovarian Insufficiency
Ventricular Repolarization in Patients With Premature Ovarian Insufficiency (QTIOP)
Ventricular repolarization, measured by corrected QT interval (QTc), is influenced by sex hormones. A QTc above 460msec predisposes to the risk of "torsades-de-pointes"(TdP).
- Trial name
- QTIOP (NCT04167033)
- Testing
- Hormone replacement therapy:effect on ventricular repolarization, ECG
- Where
- 3 sites in France
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Infection, Human Immunodeficiency Virus
Study to Evaluate the Effect of GSK1265744 on Cardiac Conduction
This study is being conducted to comply with the Food and Drug Administration (FDA) recommendation that all new non anti-arrhythmic drugs be assessed for cardiac repolarization effects through electrocardiographic evaluation.
- Trial name
- NCT02027454
- Testing
- GSK1265744, Moxifloxacin
- Where
- United States
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- ViiV Healthcare
Pregnancy, Long QT Syndrome
Ventricular Repolarization During the Pregnancy-to-Postpartum Transition (QuTe)
Pregnancy and the postpartum period are accompanied by marked changes in heart rate, circulating hormones, and electrolyte balance that may influence ventricular repolarization.
- Trial name
- QuTe (NCT02931695)
- Testing
- Evaluation of QT interval duration, Circulating sex hormones levels sample
- Where
- France
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- French Cardiology Society
Premature Ventricular Complexes
Physical Impairments in Premature Ventricular Complex
Premature ventricular complexes may be observed in individuals without underlying disease due to factors such as physical inactivity, advanced age, smoking, male sex, and psychosocial disturbances, and in some cases may result in…
- Trial name
- NCT07396597
- Testing
- Physical Evaluations of Patients with Premature Ventricular Complex, Physical Evaluations of Healthy Individuals
- Where
- Turkey (Türkiye)
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Izmir Democracy University
Ventricular Tachycardia, Atrial Fibrillation
Defining the Risk of Ventricular Tachycardia in Genetic Forms of Early-onset Atrial Fibrillation
To use programmed ventricular stimulation at the time of AF ablation to define the prevalence and mechanism of inducible ventricular tachycardia (VT); pace-mapping to define the site of origin of ventricular arrhythmias; and…
- Trial name
- NCT06647459
- Testing
- EP Study
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
Long QT Syndrome, Hypoglycemia
The Physiological Effects of Human Ether-a-go-go-Related Gene (hERG)Blockade on Metabolism
The human ether-a-go-go-related gene HERG (encoding Kv11.1 potassium channels) is expressed in different parts of the body including the heart, pancreas and intestines.
- Trial name
- NCT03868657
- Testing
- Moxifloxacin
- Where
- Denmark
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Signe Torekov
Tachycardia, Hypertension
To Observe Haemodynamic Parameters Including, Heart Rate, Blood Pressure, Respiratory Rate , and Oxygen Saturation, With or Without Giving Reversal Agent on Extubation, in Patients Receiving Single Shot of Atracurium , and to Observe Post Operative Residual Paralysis and Airway Reflexes in PACU.
The goal of this clinical trial is to to observe the haemodynamic parameters including Heart Rate Blood pressure Respiratory rate and Oxygen Saturation with or without giving reversal agent on extubation in patients receiving…
- Conditions
- Tachycardia, Hypertension, Hypoxia, Hyperventilation
- Trial name
- NCT07097441
- Testing
- neostigmine (reversal agent)
- Where
- Pakistan
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Ziauddin University
Aortic Valve Disease, Conduction Disturbances
Ambulatory Electrocardiographic Monitoring for the Detection of High-Degree Atrio-Ventricular Block in Patients With New-onset PeRsistent LEft Bundle Branch Block After Transcatheter Aortic Valve Implantation. The "MARE" Study
The purpose of this study is to determine the incidence and predictors of high degree or complete atrioventricular block (AVB) (paroxysmal or persistent) in patients with new-onset persistent left bundle branch block (NOP-LBBB)…
- Trial name
- MARE (NCT02153307)
- Testing
- Implantable loop recorders system Reveal ICM LINQ®,
- Where
- Canada
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Quebec
Premature Ventricular Complexes, Diet Quality
Premature Ventricular Complex and Diet Inflamatuar Index
The aim of this study is to evaluate differences in energy, macro- and micronutrient intakes, dietary characteristics, quality of life, and biochemical parameters between individuals with and without premature ventricular…
- Conditions
- Premature Ventricular Complexes, Diet Quality, Biochemical Markers, Life Quality
- Trial name
- PVT (NCT07870109)
- Where
- Turkey (Türkiye)
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Izmir Democracy University
Fatigue, Tachycardia
Effect of Caffeine on Heart Function
The primary objective of this study is to assess the effect of an energy drink on ventricular repolarization as measured by the interval between the cardiac Q wave and the cardiac T wave (QT interval)obtained from the body…
- Trial name
- NCT02401776
- Testing
- Monster Energy Drink, Coffee
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Texas at Austin
Long QT Syndrome
Effect of Grapefruit on QT Interval in Healthy Volunteers and Patients With Congenital Long QT Syndrome
The list of medications that prolong the QT interval and can provoke torsade de pointes keeps expanding. This list includes not only antiarrhythmic drugs, but also medications with no cardiac indications.
- Trial name
- NCT02680080
- Testing
- Moxifloxacin, Grapefruit group
- Where
- Israel
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Tel-Aviv Sourasky Medical Center
Premature Ventricular Contraction (PVC)
Use of Adenosine to Determine the Electrophysiological Mechanism of Premature Ventricular Contractions
Unblinded, controlled, non-randomized, mechanistic study to determine whether physiological mechanisms underlying PVC are sensitive to adenosine.
- Trial name
- NCT03218137
- Testing
- Adenosine
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Weill Medical College of Cornell University
Brugada Syndrome, Sudden Death
The Response To Ajmaline Provocation in Healthy Subjects
Standard, high lead and sodium channel provoked electrocardiograms of a healthy volunteers will be performed to observe the various ECG changes.
- Trial name
- NCT02933437
- Testing
- Ajmaline
- Where
- United Kingdom
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- St George's, University of London
Long QT Syndrome
Study of LQT-1213 on QTc-induced Prolongation in Healthy Adult Subjects (Part1) and on Congenital Long QT in Patients Diagnosed With Type 2 or 3 Long QT Syndrome (Part 2).
Part 1: This is a Phase 1b, randomized, double-blind, crossover, dose escalation, placebo-controlled study to evaluate the effect of oral LQT-1213 on dofetilide-induced QTc prolongation in healthy adult subjects.
- Trial name
- NCT05906732
- Testing
- LQT-1213, Dofetilide 250 μg Cap
- Where
- United States
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Thryv Therapeutics, Inc.
Postural Orthostatic Tachycardia Syndrome, Postural Tachycardia Syndrome
Autoimmune Basis for Postural Tachycardia Syndrome
The purpose of this study is to see if some people with postural tachycardia syndrome (POTS) have higher levels of immune proteins (autoantibodies) directed against receptors of the autonomic nervous system, and if these…
- Conditions
- Postural Orthostatic Tachycardia Syndrome, Postural Tachycardia Syndrome, Tachycardia, Arrhythmias, Cardiac
- Trial name
- NCT02725060
- Testing
- phenylephrine, isoproterenol, 25 micro-Ci of radiation
- Where
- 2 sites in United States
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
Healthy, Long QT Syndrome
Study Evaluating the Effects of Multiple Oral Doses of ERB-041 on Cardiac Repolarization in Healthy Subjects
To assess the effect of ERB-041 after multiple oral doses on cardiac repolarization as assessed by the QTc interval.
- Trial name
- NCT00316459
- Testing
- ERB-041
- Where
- United States
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Wyeth is now a wholly owned subsidiary of Pfizer
Long QT Syndrome
Long QT Syndrome Screening in Newborns
The purpose of this project is to test a new, very compact, 12-lead ECG device as a way to detect long QT syndrome (LQTS) in infants. The device -- called QTScreen -- was developed in Phase I of this project.
- Trial name
- NCT02412709
- Testing
- QTScreen ECG Recorder
- Where
- 3 sites in United States
- Volunteers
- 4,000 people, healthy volunteers welcome
- Sponsor
- QT Medical, Inc.
Congenital Complete Heart Block, Cardiac Conduction Defect Progressive
Identification of Genetic Basis of Atrioventricular Conduction Defects: From Congenital Forms to Degenerative Forms
Identification of genes involved in congenital atrioventricular block and progressive Cardiac Conduction Disease.
- Trial name
- NCT02881671
- Testing
- genetic blood analysis
- Where
- 2 sites in France
- Volunteers
- 2,600 people, healthy volunteers welcome
- Sponsor
- Nantes University Hospital
Cardiovascular Diseases
The Effect of Energy Drink on Cardiovascular Variables: A Randomized Controlled Trial
Many adults in the United States regularly consumer energy drinks. Currently, the safety of energy drinks is still questionable and there are many reports associating energy drinks with adverse events including hospitalizations…
- Trial name
- NCT03841838
- Testing
- Energy drink
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of the Pacific
Long QT Syndrome
Effect of Oral GS-6615 on Dofetilide-Induced QT Prolongation, Safety, and Tolerability in Healthy Adults
This study will evaluate the effect of oral GS-6615 on QTc interval in healthy adults with dofetilide-induced QTc prolongation.
- Trial name
- NCT02365532
- Testing
- GS-6615, Dofetilide
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Gilead Sciences