Clinical trials: Long QT Syndrome
Long QT Syndrome
Low Cost QTc Meter for Long QT Syndrome Screening in Primary Care
The purpose of this study is to further develop and evaluate a diagnostic procedure suitable for use in an inexpensive diagnostic instrument suitable for screening for Long QT Syndrome (LQTS) in the primary care environment.
- Trial name
- NCT04441892
- Testing
- QTc Meter
- Where
- United States
- Volunteers
- 33 people
- Sponsor
- Mayo Clinic
Aneuploidy, Infertility
A Time-lapse Monitoring Prospective Study
While numerous types of commercially available human embryo culture media exist for human blastocyst culture, the impact of culture conditions on blastocyst development and aneuploidy formation is not fully understood.
- Trial name
- NCT04901247
- Testing
- media refreshment, embryo grading
- Where
- 2 sites in United Arab Emirates
- Volunteers
- 50 people
- Sponsor
- ART Fertility Clinics LLC
Long QT Syndrome, Channelopathies
Physical Activity and Functional Capacity in Patients With Congenital Long QT Syndrome
Patients with congenital long QT syndrome (LQTS) have traditionally been discouraged from physical activity and competitive sports, although the rate of exercise-related arrhythmic events is considered low.
- Trial name
- CANMOVE (NCT07862491)
- Testing
- Questionnaires, Cardiopulmonary exercise testing, 24-hour Holter monitoring
- Where
- Brazil
- Volunteers
- 120 people
- Sponsor
- University of Sao Paulo
Neoplasms, Cardiac Arrhythmia
Beat to Beat A Study in Paediatric, Adolescent and Young Adult Patients Who Are Undergoing or Have Undergone Cancer Therapy to Evaluate the Agreement Between QTc Measured Using 12 Lead Electrocardiogram (ECG) and a Wearable Device ECG
A prospective study in paediatric, adolescent and young adult patients aged 7 to 18 years to evaluate the agreement between QTc measured using 12 lead electrocardiogram (ECG) and the wearable device ECG.
- Trial name
- NCT05615376
- Testing
- ECG application, 12 lead ECG
- Where
- Australia
- Volunteers
- 45 people
- Sponsor
- Murdoch Childrens Research Institute
Prolonged QT Interval
Effects Rapid Atrial Pacing Has on the Electrocardiogram (ECG) in Patients With Dual Chamber Pacemakers
The purpose of this study is to learn what effect rapid atrial pacing (in patients with dual chamber pacemakers) will have on the electrocardiogram including the QT Interval.
- Trial name
- NCT00883610
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- Vanderbilt University
Long QT Syndrome Type 3, Long QT Syndrome 2
Observational Study to Describe Health-Related Quality of Life and Measure Disease Burden Among Patients With Long QT Syndrome Types (LQTS) 2 and 3
This is a cross-sectional observational study designed to assess the disease burden and quality of life in individuals with LQTS 2 and 3.
- Trial name
- NCT07075445
- Where
- United States
- Volunteers
- 200 people
- Sponsor
- Thryv Therapeutics, Inc.
Breath-holding Spell
Breath-holding Spells and Its Management Study
The goal of this prospective population-based study is to evaluate the new disease description and management guidelines for breath-holding spells in children (Hellström Schmidt et al, Acta Paediatrica 2024) below the age of 5…
- Trial name
- BAM (NCT06628271)
- Testing
- Guidelines
- Where
- 12 sites in Sweden
- Volunteers
- 120 people
- Sponsor
- Region Skane
Infertility, Female, Infertility, Male
Embryo Assessment Utilizing Timelapse Imaging in Conjunction With Preimplantation Genetic Testing for Aneuploidy With Next Generation Sequencing
The goal of this observational study is to discern if there is a relationship between timelapse imagery of human oocytes/embryos and PGT results.
- Conditions
- Infertility, Female, Infertility, Male, Infertility, IVF
- Trial name
- NCT06419127
- Testing
- Timelapse incubation and PGT
- Where
- United States
- Volunteers
- 2,000 people
- Sponsor
- Gattaca Genomics
Infertility
Acupuncture Versus Placebo Acupuncture During In Vitro Fertilization (IVF) Embryo Transfer
During IVF treatment, acupuncture at the time of embryo transfer may improve the pregnancy rate. This study aims to compare IVF pregnancy between two groups of patients that received either acupuncture or sham acupuncture…
- Trial name
- NCT00913354
- Testing
- Acupuncture (Carbo®)
- Where
- Denmark
- Volunteers
- 635 people
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Long QT Syndrome, Drug Toxicity
Genetics of QT Prolongation With Antiarrhythmics
To assess the ability of common genetic variants in aggregate to predict drug-induced QT prolongation in patients being loaded with dofetilide or sotalol.
- Trial name
- DOFEGEN (NCT02439658)
- Testing
- Dofetilide and/or sotalol
- Where
- 5 sites in United States
- Volunteers
- 1,000 people
- Sponsor
- Massachusetts General Hospital
Arrhythmia, Long QT Syndrome
AI-powered ECG Analysis for Deadly Arrhythmias and ICI Myocarditis
ELDORA is a non-interventional observational data-science study aiming to develop and validate clinical-grade artificial intelligence tools applied to electrocardiogram (ECG) data.
- Conditions
- Arrhythmia, Long QT Syndrome, Immune Checkpoint Inhibitor-Related Myocarditis
- Trial name
- ELDORA (NCT07644715)
- Where
- France
- Volunteers
- 127,000 people, healthy volunteers welcome
- Sponsor
- Groupe Hospitalier Pitie-Salpetriere
Long QT Syndrome, Sudden Cardiac Death
Electromechanical Profiling of the Long-QT Syndrome (LQTS)
High-resolution, non-invasive electromechanical mapping in genotyped long-QT syndrome patients and healthy controls at baseline and during smart provocation.
- Conditions
- Long QT Syndrome, Sudden Cardiac Death, Ventricular Tachycardia
- Trial name
- EMLoQ (NCT04074122)
- Testing
- Adenosine and epinephrine, isoprenaline provocation
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Inherited Cardiac Arrhythmias, Long QT Syndrome
Long Term Monitoring for Risk of Sudden Death
Risk prediction in in inherited heart rhythm conditions that may cause sudden cardiac arrest or death is difficult. Sometimes the risks may be low but the loss of life in an otherwise healthy young individual is catastrophic.
- Conditions
- Inherited Cardiac Arrhythmias, Long QT Syndrome, Arrhythmogenic Right Ventricular Cardiomyopathy, Brugada Syndrome
- Trial name
- NCT04124237
- Where
- Canada
- Volunteers
- 1,051 people
- Sponsor
- University of British Columbia
Acquired Long QT, Ventricular Arrhythmias
Do QT-Prolonging Drugs Cause Major Adverse Cardiac Events in Hospitalized Adults?
There are 28 non-cardiology medications from multiple families costing more than $13 billion annually in Canada, categorized as 'Known' QT-prolonging medications (QTPmeds) based on very low levels of evidence.
- Conditions
- Acquired Long QT, Ventricular Arrhythmias, Torsades de Pointes, Syncope
- Trial name
- QTP-MACE (NCT07374263)
- Where
- 2 sites in Canada
- Volunteers
- 990,000 people
- Sponsor
- St. Joseph's Healthcare Hamilton
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
Hydroxyzine, Long QT Syndrome
Hydroxyzine and Risk of Prolongation of QT Interval
On 04/30/2015, ANSM (the National Security Agency of Medicines and Health Products) shared an information for general practicioners, pediatricians, anesthesiologists, dermatologists, geriatricians, psychiatrists, community…
- Trial name
- HYDROXYZINE-QT (NCT02814981)
- Where
- France
- Volunteers
- 130 people
- Sponsor
- University Hospital, Caen
Long QT Syndrome Type 3
Effect of Eleclazine on Shortening of the QT Interval, Safety, and Tolerability in Adults With Long QT Syndrome Type 3
The primary objective of this study is to evaluate the effect of oral eleclazine on mean daytime QTcF interval after 24 weeks of treatment with elecalzine in participants with long QT syndrome Type 3.
- Trial name
- NCT02300558
- Testing
- Eleclazine
- Where
- 12 sites in United States, Canada and 6 more
- Volunteers
- 41 people
- Sponsor
- Gilead Sciences
Long QT Syndrome, ADHD
Drug-induced Repolarization ECG Changes
Studies have shown that the risk of developing heart arrhythmias, is increased in patients receiving medication for Attention-deficit hyperactivity disorder (ADHD) and depression.
- Conditions
- Long QT Syndrome, ADHD, Depression, Death
- Trial name
- NCT03642405
- Testing
- Electrocardiogram examination, Echocardiography, Blood Samples
- Where
- Denmark
- Volunteers
- 150 people
- Sponsor
- Copenhagen University Hospital at Herlev
Long QT Syndrome
Abnormal QT-Response to the Sudden Tachycardia Provoked by Standing in Individuals With Drug-induced Long QT Syndrome
The drug-induced long QT syndrome (diLQTS) describes a clinical entity in which administration of a drug produces marked prolongation of the QT interval of the electrocardiogram, associated with the development of a polymorphic…
- Trial name
- NCT02581241
- Testing
- tilt table
- Where
- Israel
- Volunteers
- 5 people
- Sponsor
- Tel-Aviv Sourasky Medical Center
QT-prolongation
Drug Interactions With Risk of QT-prolongation in a General Hospital
In this epidemiological point prevalence study, medication profiles of patients with haloperidol treatment will be checked for drug interactions with risk of QT-prolongation.
- Trial name
- NCT02043912
- Testing
- Haloperidol
- Where
- Belgium
- Volunteers
- 222 people
- Sponsor
- KU Leuven