Clinical trials: QT Prolongation
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
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
Qt Interval, Variation in, Adverse Effect of Selective Serotonin Reuptake Inhibitors
Effect of Antenatal SSRI Exposure on the QT Interval of Neonates
Selective Serotonin Reuptake Inhibitors (SSRIs) are a group of antidepressants that suppress the re-absorption of a chemical called Serotonin in the brain, and improve mood.
- Trial name
- SSRIs (NCT02492347)
- Testing
- Electrocardiogram
- Where
- United Kingdom
- Volunteers
- 88 people
- Sponsor
- University of Southampton
EKG-QT Prolongation
Effect of Methadone and Hydromorphone on the QT Interval After Anesthesia and Surgery
A number of drugs used in the perioperative period may cause prolongation of the QT interval on the electrocardiogram (EKG). These drugs include inhalational agents, antiemetic agents, pain medications, and drugs used to reverse…
- Trial name
- NCT03893734
- Testing
- methadone, Hydromorphone
- Where
- United States
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Endeavor Health
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.
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
Romano-Ward Syndrome, Long QT Syndrome
Evaluation of the Effects of KCNQ1 Mutation on Insulin Tolerance and Obsessive Compulsive Features in Long QT Romano-Ward Syndrome Patients.
The objectives of the study are to investigate if KCNQ1 mutation in Romano-Ward long QT patients can be associated with changes in insulin regulation and with psychological features of compulsivity, impulsivity and behavioural…
- Conditions
- Romano-Ward Syndrome, Long QT Syndrome, Compulsive Behavior, Healthy Individuals
- Trial name
- PRIME (NCT04715256)
- Testing
- Cognitive assessment of obsessive-compulsive and impulsive behaviours, Genomic analysis, Glucoregulation assessment
- Where
- 2 sites in France
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Biotrial
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
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
Prevalence of Congenital Long QT Syndrome and Acquired QT Prolongation in a Hospital Cohort
The Long QT syndrome is associated with potentially life-threatening cardiac arrhythmias as ventricular tachycardia (Torsade de pointes) as well as ventricular fibrillation, and might lead to syncope as well as sudden cardiac…
- Trial name
- NCT03544918
- Where
- Norway
- Volunteers
- 1,536 people
- Sponsor
- Sykehuset Telemark
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
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
Prostate Cancer, Robotic Surgery
Effect of Dexmedetomidine on Heart-rate Corrected QT(QTc) Interval Prolongation During Robotic-assisted Laparoscopic Radical Prostatectomy -Randomized Blind Clinical Trial-
Sympathetic activity could be increased during robot-assisted laparoscopic radical prostatectomy, which is performed in a steep trendelenburg position under CO2 pneumoperitoneum.
- Trial name
- NCT02536014
- Testing
- Dexmedetomidine, Saline
- Where
- South Korea
- Volunteers
- 50 people
- Sponsor
- Yonsei University
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
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
Disorder Related to Lung Transplantation
QT-Prolongation in Lung Transplantation
Experimental intervention: electrocardiography. Control intervention: none Duration of intervention per patient/subject: 5 min, observation 6 months Key inclusion criteria: outpatients after lung transplantation (single, double…
- Trial name
- TX-QTC (NCT02380365)
- Testing
- Electrocardiography
- Where
- Germany
- Volunteers
- 720 people
- Sponsor
- Hannover Medical School
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
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
Long QT Syndrome, Hypertrophic Cardiomyopathy
Molecular Genetic Screening and Identification of Congenital Arrhythmogenic Diseases
The aim of this study is the identification of familial congenital arrhythmogenic disorders and their clinical follow-up.
- Conditions
- Long QT Syndrome, Hypertrophic Cardiomyopathy, Arrhythmogenic Right Ventricular Dysplasia
- Trial name
- NCT00221832
- Where
- Germany
- Volunteers
- 300 people
- Sponsor
- Heidelberg University
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