Clinical trials: Long QT Syndrome
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
Fetal Arrhythmia, Abnormality in Fetal Heart Rate or Rhythm
Fetal and Neonatal Magnetophysiology
Fetal research and clinical practice has been hampered by a lack of suitable investigational techniques. Currently, ultrasound is the only widely used method of studying fetal anatomy and physiology, but it has significant…
- Conditions
- Fetal Arrhythmia, Abnormality in Fetal Heart Rate or Rhythm, Long QT Syndrome
- Trial name
- NCT01903564
- Testing
- magnetocardiography, postnatal ECG, fetal echocardiography
- Where
- United States
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
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, Connective Tissue Diseases
Novel Form of Acquired Long QT Syndrome
The goal of this study is to determine whether anti-Ro/SSA antibodies are associated with acquired QT prolongation in subjects with connective tissue disease.
- Conditions
- Long QT Syndrome, Connective Tissue Diseases, Rheumatoid Arthritis
- Trial name
- NCT04169100
- Testing
- Prednisone
- Where
- United States
- Volunteers
- 25 people
- Sponsor
- Narrows Institute for Biomedical Research
Arrhythmia
The Effect of General Anesthesia on the Risk for Arrhythmia
Polymorphic ventricular tachycardia, known as Torsades de Pointes (TdP), is a specific form of ventricular arrhythmia with a characteristic twist of the QRS complex around the isoelectric baseline.
- Trial name
- 10-02725 (NCT01174251)
- Where
- United States
- Volunteers
- 125 people
- Sponsor
- University of California, San Francisco
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
Prospective Identification of Long QT Syndrome in Fetal Life
The postnatal diagnosis of Long QT Syndrome (LQTS) is suggested by a prolonged QT interval on 12 lead electrocardiogram (ECG), strengthened by a positive family history and/or characteristic arrhythmias and confirmed by genetic…
- Trial name
- Fetal LQTS (NCT02876380)
- Where
- United States
- Volunteers
- 25 people
- Sponsor
- University of Colorado, Denver
Ivf
Opt-IVF for Personalized Medicine for Normal Responders
A clinical trial will determine the effectiveness of the Opt-IVF decision-support tool in generating personalized, optimal drug-dosage profiles for each patient in the United States.
- Trial name
- NCT07856082
- Testing
- Opt-IVF, control
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- Urmila DIwekar
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
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
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
Female, Infertility
The Effect of Ovamax on Oocyte Quality
Oocyte quality is a basic parameter that affects embryo quality and therefore it influences the outcome of assisted reproduction. It has been suggested that oocyte quality is improved by the intake of vitamins and antioxidants.
- Trial name
- NCT06203223
- Testing
- Ova-max
- Where
- Greece
- Volunteers
- 97 people
- Sponsor
- Aristotle University Of Thessaloniki
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
Congenital Adrenal Hyperplasia, Familial Hyperinsulinemic Hypoglycemia 1
Baby Detect : Genomic Newborn Screening
Newborn screening (NBS) is a global initiative of systematic testing at birth to identify babies with pre-defined severe but treatable conditions.
- Conditions
- Congenital Adrenal Hyperplasia, Familial Hyperinsulinemic Hypoglycemia 1, Phosphoglucomutase 1 Deficiency, Maturity Onset Diabetes of the Young
- Trial name
- BabyDetect (NCT05687474)
- Where
- Belgium
- Volunteers
- 6,824 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire de Liege
Ondansetron
Ondansetron and the QT Interval In Adult Emergency Department Patients
The purpose of this study is to assess the use of the medication ondansetron (zofran) in the emergency department. There are studies of the ability of ondansetron to cause a prolongation in the QT interval (a certain measurement…
- Trial name
- NCT01759420
- Testing
- Ondansetron
- Where
- 2 sites in United States
- Volunteers
- 28 people
- Sponsor
- C.R.Darnall Army Medical Center
Long QT Syndrome, Brugada Syndrome
Physical Activity in Children With Inherited Cardiac Diseases
Use lay language. Current guidelines regarding physical activity in patients with inherited arrhythmia and cardiomyopathy are mostly dedicated to adult patients, with a special focus on sports competition.
- Conditions
- Long QT Syndrome, Brugada Syndrome, Catecholaminergic Polymorphic Ventricular Tachycardia, Hypertrophic Cardiomyopathy
- Trial name
- NCT04650009
- Where
- France
- Volunteers
- 28 people
- Sponsor
- University Hospital, Montpellier
Long QT Syndrome
Long-term Efficacy Study of Sodium Channel Blocker in LQT3 Patients
The purpose of this study is to determine whether late sodium channel blockade might be effective in shortening the QTc interval in various LQT3 mutations and be considered as a safe therapeutic option for LQT3 patients.
- Trial name
- NCT01648205
- Testing
- Ranolazine
- Where
- United States
- Volunteers
- 25 people
- Sponsor
- University of Rochester
Long QT Syndrome
Study of the Effect of GS-6615 in Subjects With LQT-3
This mechanism of action study is to evaluate the effect of oral GS-6615 on the QTc interval in participants with Long QT-3 syndrome.
- Trial name
- NCT01849003
- Testing
- GS-6615
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- Gilead Sciences
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.
Long QT Syndrome, Sleep Apnea
Long QT Syndrome and Sleep Apnea
Obstructive sleep apnea (OSA) has been associated with cardiac repolarization abnormalities and implicated in sudden cardiac death.
- Trial name
- NCT03678311
- Testing
- Continuous Positive Airway Pressure (CPAP)
- Where
- United States
- Volunteers
- 9 people
- Sponsor
- The Cleveland Clinic