Long QT Syndrome: all 101 studies
Page 1 of 2. Open to participants first (20), then studies with results posted, then the rest; newest registration first within each.
- Physical Activity and Functional Capacity in Patients With Congenital Long QT SyndromeNot yet recruitingNCT07862491
- AI-powered ECG Analysis for Deadly Arrhythmias and ICI MyocarditisRecruitingNCT07644715
- Do QT-Prolonging Drugs Cause Major Adverse Cardiac Events in Hospitalized Adults?RecruitingNCT07374263
- Evaluation of the Efficacy and Safety of THRV-1268 in Participants With Long QT Syndrome Type 2 (LQTS2) and Type 3 (LQTS3)RecruitingNCT07277582Phase 2/3
- Frequency of Hypoglycemia in Children With Beta-blocker Treated Long QT-syndromeEnrolling by invitationNCT07233421Not applicable
- Wearable Devices for Patient Monitoring in Long QT SyndromeRecruitingNCT06887387
- COR-INSIGHT: Optimizing Cardiovascular and Cardiopulmonary Outcomes with AI-Driven Multiplexed Indications Using COR ECG WearableEnrolling by invitationNCT06763549
- Breath-holding Spells and Its Management StudyRecruitingNCT06628271Not applicable
- National Network for Cardiovascular Genomics: Advancing Cardiovascular Healthcare for Hereditary Diseases in Brazil's Unified Health System Through a Multicenter RegistryRecruitingNCT06546137
- Risk of Sudden Cardiac Death in UN AthletesRecruitingNCT06518252
- Building of a Diagnostic/Prognostic Database for Human ERG Variant EffectsRecruitingNCT06087367
- A Study to Evaluate Accuracy and Validity of the Chang Gung ECG Abnormality Detection SoftwareEnrolling by invitationNCT05903313
- Clinical Cohort Study - TRUSTRecruitingNCT05521451
- Comparing Direct vs Indirect Methods for Cascade ScreeningRecruitingNCT05348564Not applicable
- Continuous Versus Intermittent cARdiac Electrical moNitorinGRecruitingNCT04336644Not applicable
- Hearts in Rhythm Organization (HiRO)National Registry and Bio BankEnrolling by invitationNCT04189822
- China Inherited Ventricular Arrhythmias RegistryRecruitingNCT03880708
- Fetal Electrophysiologic Abnormalities in High-Risk Pregnancies Associated With Fetal DemiseRecruitingNCT03775954
- Genetic Markers of Cardiovascular Disease in EpilepsyRecruitingNCT02824822
- Derivation of Human Induced Pluripotent Stem (iPS) Cells to Heritable Cardiac ArrhythmiasEnrolling by invitationNCT02413450
- Diltiazem in Jervell and Lange-Nielsen SyndromeCompletedNCT06534671Phase 4Results posted
- 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).TerminatedNCT05906732Phase 1/2Results posted
- Low Cost QTc Meter for Long QT Syndrome Screening in Primary CareTerminatedNCT04441892Not applicableResults posted
- Reducing the Risk of Drug-Induced QT Interval Lengthening in WomenCompletedNCT03834883Phase 4Results posted
- KCNQ1 Cascade ScreeningTerminatedNCT03783975Not applicableResults posted
- Long QT Syndrome and Sleep ApneaCompletedNCT03678311Not applicableResults posted
- Influence of Testosterone Administration on Drug-Induced QT Interval Prolongation and Torsades de PointesCompletedNCT02513940Phase 4Results posted
- Pharmacokinetics of Eleclazine in Adults With Normal and Impaired Hepatic FunctionCompletedNCT02412098Phase 1Results posted
- Effect of Eleclazine on Shortening of the QT Interval, Safety, and Tolerability in Adults With Long QT Syndrome Type 3TerminatedNCT02300558Phase 3Results posted
- Fetal and Neonatal MagnetophysiologyCompletedNCT01903564Results posted
- Ondansetron and the QT Interval In Adult Emergency Department PatientsCompletedNCT01759420Results posted
- Long-term Efficacy Study of Sodium Channel Blocker in LQT3 PatientsCompletedNCT01648205Phase 2Results posted
- Effect of Beta-blocker Therapy on QTc Response in Exercise and Recovery in Normal SubjectsCompletedNCT00588965Not applicableResults posted
- Low-dose Epinephrine Infusion Tests in Adolescent and Pediatric PatientsTerminatedNCT00548886Not applicableResults posted
- Pediatric Lead Extractability and Survival Evaluation (PLEASE)TerminatedNCT00335036Not applicableResults posted
- Evaluation of Exercise Testing and Physical Activity in Children and Adolescents Living With Inherited ArrhythmiasCompletedNCT06661278
- QT Changes in Geriatric Patients: a Comparison of Spinal and General AnesthesiaCompletedNCT06375863Not applicable
- Cardiac Rehabilitation of Children and Adolescent With Long QT SyndromeCompletedNCT05964322
- Phase 1 Study of LQT-1213 in Healthy AdultsCompletedNCT05759962Phase 1
- QT Interval in AthletesCompletedNCT05759260
- Beat to Beat A Study in Paediatric, Adolescent and Young Adult Patients Who Are Undergoing or Have Undergone Cancer Therapy to Evaluate the Agreement Between QTc Measured Using 12 Lead Electrocardiogram (ECG) and a Wearable Device ECGCompletedNCT05615376Not applicable
- Impact on Risk Stratification of Overlap Syndrome Phenotype in Patients With E1784K Mutation in SCN5ACompletedNCT05274646
- LQT and Smartphone/SmartwatchCompletedNCT04728100
- Evaluation of the Effects of KCNQ1 Mutation on Insulin Tolerance and Obsessive Compulsive Features in Long QT Romano-Ward Syndrome Patients.Status unknownNCT04715256Not applicable
- Healthy-related Quality of Life and Physical Activity of Children With Cardiac MalformationsCompletedNCT04712136Not applicable
- QT Measurement Techniques and Anesthesia ManagementCompletedNCT04706104
- The Effect of Azithromycin Use on Conduction System of Heart in COVID-19 Positive ChildrenCompletedNCT04699097
- Novel Approaches for Minimizing Drug-Induced QT Interval LengtheningCompletedNCT04675788Phase 4
- Physical Activity in Children With Inherited Cardiac DiseasesCompletedNCT04650009
- Mutation-specific Therapy for the Long QT SyndromeCompletedNCT04581408Phase 2
- Measurement of the Electromechanical Window to Improve the Diagnosis of Congenital Long QT SyndromeCompletedNCT04328376Not applicable
- Novel Form of Acquired Long QT SyndromeStatus unknownNCT04169100Phase 4
- Long Term Monitoring for Risk of Sudden DeathCompletedNCT04124237
- Electromechanical Profiling of the Long-QT Syndrome (LQTS)Status unknownNCT04074122
- The Physiological Effects of Human Ether-a-go-go-Related Gene (hERG)Blockade on MetabolismCompletedNCT03868657Not applicable
- The Effect of Energy Drink on Cardiovascular Variables: A Randomized Controlled TrialCompletedNCT03841838Not applicable
- Drug-induced Repolarization ECG ChangesStatus unknownNCT03642405
- Prevalence of Congenital Long QT Syndrome and Acquired QT Prolongation in a Hospital CohortCompletedNCT03544918
- CIQTP Prolongation : Role and Mechanism in Sudden Cardiac DeathCompletedNCT03387072
- Exploring Mechanisms and Morphology of QT Interval ProlongationCompletedNCT03291145Not applicable
- A Study to Investigate the Effect of Single Dose of AZD6094 (600 mg) on Cardiac Repolarization in Healthy VolunteersCompletedNCT03258515Phase 1
- Safety of Local Dental Anesthesia in Patients With Cardiac ChannelopathiesCompletedNCT03182777Not applicable
- Ventricular Repolarization During the Pregnancy-to-Postpartum Transition (QuTe)CompletedNCT02931695
- Prospective Identification of Long QT Syndrome in Fetal LifeCompletedNCT02876380
- Hydroxyzine and Risk of Prolongation of QT IntervalStatus unknownNCT02814981
- Metabolism of Patients With Genetically Caused Cardiac ArrhythmiaStatus unknownNCT02775513
- Effect of Grapefruit on QT Interval in Healthy Volunteers and Patients With Congenital Long QT SyndromeCompletedNCT02680080Not applicable
- Abnormal QT-Response to the Sudden Tachycardia Provoked by Standing in Individuals With Drug-induced Long QT SyndromeCompletedNCT02581241Not applicable
- Exercise in Genetic Cardiovascular ConditionsCompletedNCT02549664
- Pharmacokinetics of Eleclazine in Adults With Normal and Impaired Renal FunctionCompletedNCT02441829Phase 1
- Genetics of QT Prolongation With AntiarrhythmicsStatus unknownNCT02439658
- A Registry to Determine the Clinical and Genetic Risk Factors for Torsade De PointesTerminatedNCT02439645
- 5-HT3 Antagonists (Antiemetics) and Cardiac SafetyCompletedNCT02436798
- The Canadian National Long QT Syndrome RegistryCompletedNCT02425189
- Long QT Syndrome Screening in NewbornsStatus unknownNCT02412709Phase 2
- Effect of Oral GS-6615 on Dofetilide-Induced QT Prolongation, Safety, and Tolerability in Healthy AdultsCompletedNCT02365532Phase 1
- Race Difference Moxifloxacin-induced QT Prolongation Between Healthy Chinese and Caucasian VolunteersStatus unknownNCT02119091Phase 1
- Determine the Incidence of Long QT Amongst a Large Cohort of Subjects Diagnosed With Unilateral or Bilateral Sensorineural Hearing Loss.CompletedNCT02082431
- Risk of QT-prolongation and Torsade de Pointes in Patients Treated With Acute Medication in a University HospitalCompletedNCT02068170
- QT-prolongation in Psychiatric HospitalsCompletedNCT02043925
- Drug Interactions With Risk of QT-prolongation in a General HospitalCompletedNCT02043912
- A Dose Ranging Escalation Study of Tramadol Hydrochloride in Healthy VolunteersCompletedNCT01947920Phase 1
- Study of the Effect of GS-6615 in Subjects With LQT-3CompletedNCT01849003Phase 1
- Comparison Between Epinephrine and Exercise Test in QT Long Syndrome PatientsStatus unknownNCT01745666Not applicable
- Long Term Prophylactic Therapy of Congenital Long QT Syndrome Type III (LQT3) With RanolazineStatus unknownNCT01728025Phase 2
- Multicenter Evaluation of Children and Young Adults With Genotype Positive Long QT SyndromeCompletedNCT01705925
- Does Azithromycin Cause QT Prolongation in Hospitalized Patients With Severe Community Acquired Pneumonia?CompletedNCT01553734
- The Effect of General Anesthesia on the Risk for ArrhythmiaCompletedNCT01174251
- Effects Rapid Atrial Pacing Has on the Electrocardiogram (ECG) in Patients With Dual Chamber PacemakersCompletedNCT00883610
- Genetic Sources of Variability of the Adaptation of the Ventricular RepolarisationCompletedNCT00773201Phase 1
- Methadone Pharmacokinetics and Cardiac Effects in NewbornsCompletedNCT00715988Phase 1
- The Long QT Syndrome in PregnancyCompletedNCT00488254
- ECG Signal Collection From Long QT Syndrome, Wide QRS Complexes, Heart Failure, and Cardiac Resynchronization PatientsCompletedNCT00399412
- Study Evaluating the Effects of Multiple Oral Doses of ERB-041 on Cardiac Repolarization in Healthy SubjectsCompletedNCT00316459Phase 1
- Registry of Unexplained Cardiac ArrestCompletedNCT00292032
- Infant Medical Records: Case Report ProposalTerminatedNCT00268060
- Molecular Genetic Screening and Identification of Congenital Arrhythmogenic DiseasesStatus unknownNCT00221832
- Evaluation of Possible Effects on the QT/ QTc Interval of Rupatadine in Healthy VolunteersCompletedNCT00199225Phase 1
- Epidemiology of Long QTand Asian Sudden Death in SleepCompletedNCT00005367
- Linkage Study of Long QT Syndrome In An Amish KindredCompletedNCT00005250