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
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
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.
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
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
Congenital Disorders
Low-dose Epinephrine Infusion Tests in Adolescent and Pediatric Patients
Long QT syndrome (LQTS)is a cardiac disorder that may lead to ventricular arrythmias and culminate in syncope and/or possible death.
- Trial name
- LEAP (NCT00548886)
- Testing
- Epinephrine
- Where
- United States
- Volunteers
- 7 people
- Sponsor
- Emory University
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
KCNQ1 Cascade Screening
The objectives of the protocol are to: (1) evaluate the uptake of cascade screening and preventative therapies after the implementation of a simplified screening process and (2) assess proband and family member perspectives about…
- Trial name
- NCT03783975
- Testing
- Simplified Cascade Screening
- Where
- United States
- Volunteers
- 131 people, healthy volunteers welcome
- Sponsor
- University of Maryland, Baltimore
Ventricular Tachycardia, Ventricular Fibrillation
Pediatric Lead Extractability and Survival Evaluation (PLEASE)
This is a randomized, prospective clinical trial comparing 2 different types of implantable cardioverter defibrillator (ICD) leads in children and patients with congenital heart disease.
- Conditions
- Ventricular Tachycardia, Ventricular Fibrillation, Cardiomyopathy, Long QT Syndrome
- Trial name
- NCT00335036
- Testing
- ICD lead implant, Thin leads
- Where
- United States
- Volunteers
- 748 people
- Sponsor
- Charles Berul
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
Long QT Syndrome
Pharmacokinetics of Eleclazine in Adults With Normal and Impaired Hepatic Function
The primary objective of this study is to evaluate the pharmacokinetic (PK) profile of oral eleclazine and its metabolite, GS-623134, in participants with normal and impaired hepatic function.
- Trial name
- NCT02412098
- Testing
- Eleclazine
- Where
- 7 sites in United States, Germany and 2 more
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Gilead Sciences
Long QT Syndrome, Cardiac Repolarization
Effect of Beta-blocker Therapy on QTc Response in Exercise and Recovery in Normal Subjects
Background. In congenital long QT syndrome type 1 (LQT1), episodes of ventricular tachycardia are usually triggered by exercise and can be prevented in most patients by beta-blocker therapy.
- Trial name
- NCT00588965
- Testing
- Propranolol LA
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- MetroHealth Medical Center
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
Jervell and Lange Nielsen Syndrome
Diltiazem in Jervell and Lange-Nielsen Syndrome
This study will test the effect of diltiazem, a calcium channel blocking drug, on the QT interval in patients with Jervell and Lange-Nielsen syndrome.
- Trial name
- NCT06534671
- Testing
- diltiazem
- Where
- United States
- Volunteers
- 1 people
- Sponsor
- Vanderbilt University Medical Center
Long QT Syndrome, Abnormalities, Drug-Induced
Reducing the Risk of Drug-Induced QT Interval Lengthening in Women
This research will determine if oral progesterone attenuates drug-induced QT interval lengthening in a) Postmenopausal women 50 years of age or older, and b) Premenopausal women studied during the ovulation phase of the menstrual…
- Trial name
- NCT03834883
- Testing
- Progesterone, Ibutilide
- Where
- United States
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Indiana University
Prolonged QT Interval in EKG and Sudden Death
Influence of Progesterone Administration on Drug-Induced QT Interval Lengthening
Female sex is an independent risk factor for the potentially fatal drug-induced arrhythmia (irregular heartbeat) known as torsades de pointes (TdP), which is associated with prolongation of the corrected QT (QTc) interval on the…
- Trial name
- NCT01929083
- Testing
- Progesterone, Ibutilide
- Where
- 2 sites in United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Indiana University