Clinical trials: Long QT Syndrome
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, Brugada Syndrome
Impact on Risk Stratification of Overlap Syndrome Phenotype in Patients With E1784K Mutation in SCN5A
In patients expressing the SCN5A-E1784K mutation (Glu1784Lys), cardiovascular risk is difficult to define as the stratification of these patients is challenging.
- Conditions
- Long QT Syndrome, Brugada Syndrome, Cardiac Conduction System Disease, Arrhythmias, Cardiac
- Trial name
- RISKOVER (NCT05274646)
- Where
- Reunion
- Volunteers
- 47 people
- Sponsor
- Centre Hospitalier Universitaire de la Réunion
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, Catecholaminergic Polymorphic Ventricular Tachycardia Type 1
Evaluation of Exercise Testing and Physical Activity in Children and Adolescents Living With Inherited Arrhythmias
The goal of this observational study is to evaluate exercise testing and daily physical activity in children and adolescents who are diagnosed with an inherited arrhythmia.
- Conditions
- Long QT Syndrome, Catecholaminergic Polymorphic Ventricular Tachycardia Type 1, Catecholaminergic Polymorphic Ventricular Tachycardia Type 2
- Trial name
- ACTIVELY (NCT06661278)
- Testing
- Exercise tolerance test, Physical activity & heart rate monitoring
- Where
- 2 sites in United Kingdom
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Royal Brompton & Harefield NHS Foundation Trust
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
QT Prolongation
QT Interval in Athletes
QT interval prolongation occurs in athletes and causes concerns, as it may indicate the life-threatening long QT syndrome (LQTS).
- Trial name
- ERAS (NCT05759260)
- Testing
- Observation
- Where
- Italy
- Volunteers
- 869 people
- Sponsor
- Istituto Auxologico Italiano
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.
Long QT Syndrome, Abnormalities, Drug-Induced
Novel Approaches for Minimizing Drug-Induced QT Interval Lengthening
This research will determine if: 1) Oral progesterone attenuates drug-induced QT interval, J-Tpeak and Tpeak-Tend lengthening in postmenopausal women 50 years of age or older, and 2) Transdermal testosterone attenuates…
- Trial name
- NCT04675788
- Testing
- Progesterone, Ibutilide, Testosterone
- Where
- 3 sites in United States
- Volunteers
- 73 people, healthy volunteers welcome
- Sponsor
- Indiana University
Azithromycin Adverse Reaction, Covid19
The Effect of Azithromycin Use on Conduction System of Heart in COVID-19 Positive Children
Azithromycin (AZ) is used in the pediatric group in COVID-19 diseas. It has been reported to cause prolongation in the QT interval in adult age group.
- Conditions
- Azithromycin Adverse Reaction, Covid19, Long QT Syndrome
- Trial name
- NCT04699097
- Testing
- Azithromycin
- Where
- Turkey (Türkiye)
- Volunteers
- 105 people
- Sponsor
- Kayseri City Hospital
Long QT Syndrome Type 3
Long Term Prophylactic Therapy of Congenital Long QT Syndrome Type III (LQT3) With Ranolazine
The purpose of this study is to determine whether ranolazine will reduce the risk of arrhythmic events in patients with long QT syndrome type 3.
- Trial name
- NCT01728025
- Testing
- Ranolazine
- Where
- Israel
- Volunteers
- 10 people
- Sponsor
- Tel-Aviv Sourasky Medical Center
Cardiac Arrest, Long QT Syndrome
Registry of Unexplained Cardiac Arrest
The CASPER will collect systematic clinical assessments of patients and families within the multicenter Canadian Inherited Heart Rhythm Research Network.
- Conditions
- Cardiac Arrest, Long QT Syndrome, Brugada Syndrome, Catecholaminergi Polymorphic Ventricular Tachycardia
- Trial name
- NCT00292032
- Where
- Canada
- Volunteers
- 1,529 people
- Sponsor
- University of British Columbia
LQT2 Syndrome
Study to Evaluate the Effect of Eleclazine on QT, Safety, and Tolerability in Participants With Long QT2 Syndrome
The primary objective of the study is to evaluate the effect of oral eleclazine (formerly GS-6615) on corrected QT (QTc) interval in participants with long QT2 syndrome.
- Trial name
- NCT02365506
- Testing
- Eleclazine
- Where
- United States
- Volunteers
- 13 people
- Sponsor
- Gilead Sciences
Sensorineural Hearing Loss, Long QT Syndrome
Determine the Incidence of Long QT Amongst a Large Cohort of Subjects Diagnosed With Unilateral or Bilateral Sensorineural Hearing Loss.
The purpose of this study is to determine the true incidence of long QT (LQT) amongst a large cohort of subjects diagnosed with unilateral (right/left) or bilateral sensorineural hearing loss.
- Trial name
- NCT02082431
- Where
- 12 sites in United States
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- Pediatrix
Andersen Tawil Syndrome, Multifocal Ectopic Purkinje-related Premature Contractions
N-of-1 in ATS and MEPPC
Rationale: Andersen-Tawil syndrome (ATS) is a very rare heritable cardiac arrhythmia syndrome that is characterized by the triad of periodic paralysis, physical dysmorphisms, and ventricular arrhythmias, including bidirectional…
- Trial name
- NCT06205550
- Testing
- Flecainide, Flecainide + beta-blocker
- Volunteers
- 10 people
- Sponsor
- Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
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
Long QT Syndrome
Influence of Testosterone Administration on Drug-Induced QT Interval Prolongation and Torsades de Pointes
Torsades de pointes (TdP) is a potentially fatal ventricular arrhythmia associated with corrected QT (QTc) interval prolongation.
- Trial name
- NCT02513940
- Testing
- Testosterone, Progesterone, Ibutilide
- Where
- United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Indiana University
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
Pain
Methadone Pharmacokinetics and Cardiac Effects in Newborns
The Primary objectives of this proposal are to determine the population kinetics for methadone and its enantiomers in preterm newborns and infants at 29 weeks to 48 weeks post menstrual age (PMA) who are 1 week old and older and…
- Trial name
- NCT00715988
- Testing
- Methadone HCl Inject 10 mg/ml (will require dilution), Methadone
- Where
- 2 sites in United States
- Volunteers
- 7 people
- Sponsor
- University of Utah
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.
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