Clinical trials: Long QT Syndrome, open to volunteers
Epilepsy, Seizures
Genetic Markers of Cardiovascular Disease in Epilepsy
Epilepsy is a common condition which affects over 3 million people in the US. Patients with uncontrolled epilepsy have a lifetime risk of sudden unexpected death (SUDEP) of 35%, which is greatest in those under 40 years of age.
- Conditions
- Epilepsy, Seizures, Syncope, Channelopathy
- Trial name
- NCT02824822
- Where
- United States
- Volunteers
- 600 people
- Sponsor
- Mayo Clinic
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
ICSI, IVF
Dual Trigger VS HCG Trigger for Final Oocyte Maturation in Normal Responders
To compare the embryological and reproductive outcomes of dual trigger versus conventional hCG trigger for final oocyte maturation in normal responder patients undergoing ICSI cycles.
- Conditions
- ICSI, IVF, Normal Responders, Infertility Assisted Reproductive Technology
- Trial name
- DT-HCG-IVF (NCT07861399)
- Testing
- Dual trigger (human chorionic gonadotropin plus GnRH-agonist), hCG trigger
- Where
- Egypt
- Volunteers
- 100 people
- Sponsor
- Al-Azhar University
Long QT Syndrome (LQTS) 2
Evaluation of the Efficacy and Safety of THRV-1268 in Participants With Long QT Syndrome Type 2 (LQTS2) and Type 3 (LQTS3)
The goal of this clinical trial is to learn whether the study drug THRV-1268 can safely and effectively shorten the QT interval in people diagnosed with Long QT Syndrome Type 2 (LQTS 2) and Long QT Syndrome Type 3 (LQTS 3).
- Trial name
- Wave II (NCT07277582)
- Testing
- baseline lead-in, THRV-1268
- Where
- 9 sites in United States
- Volunteers
- 84 people
- Sponsor
- Thryv Therapeutics, Inc.
Infertility, Female
Descriptive Analysis of Serum Immunological Markers During an Euploid Frozen Embryo Transfer in a Natural Cycle.
To describe the peripheral serum levels of the anti-inflammatory cytokines IL-4 (Interleukin-4), IL-10 (Interleukin-10), TGF-ß1 (Transforming Growth Factor beta1), the pro-inflammatory cytokines IL-17 (Interleukin-17), IFγ…
- Trial name
- NCT05473273
- Testing
- Endometrin 100Mg Vaginal Insert, Estradiol Valerate
- Where
- United Arab Emirates
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- ART Fertility Clinics LLC
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
Wearable Devices for Patient Monitoring in Long QT Syndrome
The main research question of this study is whether wearable devices have utility in monitoring patients with Long QT syndrome.
- Trial name
- NCT06887387
- Testing
- Wearable device
- Where
- United Kingdom
- Volunteers
- 80 people
- Sponsor
- Queen Mary University of London
Cardiomyopathy, Hypertrophic, Cardiomyopathy, Dilated
National Network for Cardiovascular Genomics: Advancing Cardiovascular Healthcare for Hereditary Diseases in Brazil's Unified Health System Through a Multicenter Registry
The goal of this observational study is to develop a registry of Brazilian patients with hereditary cardiovascular diseases, combining clinical and genomic data.
- Conditions
- Cardiomyopathy, Hypertrophic, Cardiomyopathy, Dilated, Cardiomyopathy Restrictive, Arrhythmogenic Right Ventricular Dysplasia
- Trial name
- RENOMICA-Hcor (NCT06546137)
- Testing
- whole genome sequencing
- Where
- 27 sites in Brazil
- Volunteers
- 1,211 people
- Sponsor
- Hospital do Coracao
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
Long QT Syndrome, Familial Hypercholesterolemia
Comparing Direct vs Indirect Methods for Cascade Screening
An important aspect of successful genomic medicine implementation is developing effective approaches for screening at-risk family members after probands are identified, also known as cascade screening.
- Conditions
- Long QT Syndrome, Familial Hypercholesterolemia, Ethics, Genetic Testing
- Trial name
- NCT05348564
- Testing
- Direct contact of family members for cascade screening of relevant variants
- Where
- United States
- Volunteers
- 200 people
- Sponsor
- University of Maryland, Baltimore
High Risk Pregnancy, Congenital Heart Disease
Fetal Electrophysiologic Abnormalities in High-Risk Pregnancies Associated With Fetal Demise
Each year world-wide, 2.5 million fetuses die unexpectedly in the last half of pregnancy, 25,000 in the United States, making fetal demise ten-times more common than Sudden Infant Death Syndrome.
- Conditions
- High Risk Pregnancy, Congenital Heart Disease, Fetal Hydrops, Twin Monochorionic Monoamniotic Placenta
- Trial name
- NCT03775954
- Testing
- Fetal Magnetocardiogram and Neonatal Electrocardiogram, Substudy only: Maternal/Infant Pharmacogenomic assessment postnatally
- Where
- 2 sites in United States
- Volunteers
- 30 people
- Sponsor
- Medical College of Wisconsin
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
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
Inherited Cardiac Arrythmias, Long QT Syndrome (LQTS)
Derivation of Human Induced Pluripotent Stem (iPS) Cells to Heritable Cardiac Arrhythmias
Human induced pluripotent stem cells (hiPSCs) have driven a paradigm shift in the modeling of human disease; the ability to reprogram patient-specific cells holds the promise of an enhanced understanding of disease mechanisms and…
- Conditions
- Inherited Cardiac Arrythmias, Long QT Syndrome (LQTS), Brugada Syndrome (BrS), Catecholaminergic Polymorphic Ventricular Tachycardia (CPVT)
- Trial name
- NCT02413450
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Infertility (IVF Patients), Oocyte Retrieval for IVF
The Role of Follicular Flushing at Oocyte Retrieval
In vitro fertilization (IVF) is the most common method of medically assisted reproduction, involving fertilization of the egg by sperm in a lab.
- Trial name
- FOFLOR (NCT07335016)
- Testing
- follicular flushing, Simple aspiration
- Where
- 2 sites in Greece
- Volunteers
- 75 people
- Sponsor
- Aristotle University Of Thessaloniki
Torsades de Pointe Caused by Drug, Long QT Syndrome
Continuous Versus Intermittent cARdiac Electrical moNitorinG
The purpose of this study is to validate the continuous patch monitoring system to evaluate cardiac arrhythmias in patients receiving drugs that can cause cardiac complications and compare the continuous patch system with…
- Trial name
- CARING (NCT04336644)
- Testing
- BodyGuardian Mini Plus
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- Washington University School of Medicine
Long QT Syndrome, Hypoglycemia
Frequency of Hypoglycemia in Children With Beta-blocker Treated Long QT-syndrome
The goal of this observational study is to investigate the frequency and characteristics of hypoglycemic episodes in children with long QT syndrome (LQTS) and beta-blocker treatment, specifically those receiving propranolol…
- Trial name
- LQThypo (NCT07233421)
- Testing
- Continuous Glucose Monitoring
- Where
- Finland
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Helsinki University Central Hospital
Long QT Syndrome
Building of a Diagnostic/Prognostic Database for Human ERG Variant Effects
Cardiac channelopathies induce severe heart rhythm or conduction disorders. Mutations of the KCNH2 gene, that encodes the human (h) ERG channel, is responsible for 30-40% of all cases of long QT syndrome (inherited LQT2).
- Trial name
- CarDiag (NCT06087367)
- Where
- 2 sites in France
- Volunteers
- 600 people
- Sponsor
- Nantes University Hospital
Arrhythmias, Cardiac, Atrial Fibrillation
Clinical Cohort Study - TRUST
The "Long-term Outcome and Predictors for Recurrence after Medical and Interventional Treatment of Arrhythmias at the University Heart Center Hamburg" (TRUST) study is an investor-initiated, single-center, prospective clinical…
- Conditions
- Arrhythmias, Cardiac, Atrial Fibrillation, Atrial Flutter, Ventricular Tachycardia
- Trial name
- TRUST (NCT05521451)
- Where
- Germany
- Volunteers
- 5,000 people, healthy volunteers welcome
- Sponsor
- Universitätsklinikum Hamburg-Eppendorf
Ivf, Frozen Embryo Transfer (FET)
Comparison of Pregnancy Rates in Modified Natural Frozen Embryo Transfer (FET) Cycle After Luteal Support with GnRH Agonist Versus Progesterone
Background: The capability to transfer frozen embryos reduces embryo loss following in vitro fertilization (IVF) and results in higher pregnancy rates compared to a single IVF cycle.
- Trial name
- NCT06870266
- Testing
- Nafarelin nasal spray, Utrogestan®
- Volunteers
- 150 people
- Sponsor
- Shaare Zedek Medical Center