- Conditions
- Long QT Syndrome, Sleep Apnea
- Interventions
- Continuous Positive Airway Pressure (CPAP)
- Device
- Lead sponsor
- The Cleveland Clinic
- Other
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 9 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019
- U.S. locations
- 1
- States / cities
- Cleveland, Ohio
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Showing 25–48
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- Conditions
- Long QT Syndrome
- Interventions
- Simplified Cascade Screening
- Genetic
- Lead sponsor
- University of Maryland, Baltimore
- Other
- Eligibility
- Not listed
- Enrollment
- 131 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2022
- U.S. locations
- 1
- States / cities
- Lancaster, Pennsylvania
- Conditions
- Long QT Syndrome
- Interventions
- Eleclazine
- Drug
- Lead sponsor
- Gilead Sciences
- Industry
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 49 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015 – 2016
- U.S. locations
- 4
- States / cities
- Miami, Florida • Orlando, Florida • Minneapolis, Minnesota + 1 more
- Conditions
- Long QT Syndrome (LQTS) 2
- Interventions
- baseline lead-in, THRV-1268
- Other · Drug
- Lead sponsor
- Thryv Therapeutics, Inc.
- Industry
- Eligibility
- 15 Years and older
- Enrollment
- 64 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2027
- U.S. locations
- 6
- States / cities
- Scottsdale, Arizona • San Francisco, California • Chicago, Illinois + 3 more
- Conditions
- Epilepsy, Seizures, Syncope, Channelopathy, Cardiomyopathies
- Interventions
- Not listed
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 600 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2031
- U.S. locations
- 1
- States / cities
- Rochester, Minnesota
- Conditions
- Long QT Syndrome
- Interventions
- LQT-1213, Placebo
- Drug · Other
- Lead sponsor
- Thryv Therapeutics, Inc.
- Industry
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 50 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2023
- U.S. locations
- 1
- States / cities
- Cypress, California
- Conditions
- Solid Tumors
- Interventions
- AZD6094 200 mg, Placebo, Moxifloxacin
- Drug · Other
- Lead sponsor
- AstraZeneca
- Industry
- Eligibility
- 18 Years to 55 Years · Male only
- Enrollment
- 45 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2018
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Inherited Cardiac Arrythmias, Long QT Syndrome (LQTS), Brugada Syndrome (BrS), Catecholaminergic Polymorphic Ventricular Tachycardia (CPVT), Early Repolarization Syndrome (ERS), Arrhythmogenic Cardiomyopathy (AC, ARVD/C), Hypertrophic Cardiomyopathy (HCM), Dilated Cardiomyopathy (DCM), Muscular Dystrophies (Duchenne, Becker, Myotonic Dystrophy), Normal Control Subjects
- Interventions
- Not listed
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 18 Years to 85 Years
- Enrollment
- 100 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2031
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Congenital Disorders
- Interventions
- Not listed
- Lead sponsor
- Children's Healthcare of Atlanta
- Other
- Eligibility
- Up to 21 Years · Male only
- Enrollment
- 1 participant
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- Started 2004
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- Conditions
- Long QT Syndrome
- Interventions
- Not listed
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 18 Years to 45 Years
- Enrollment
- 25 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2019
- U.S. locations
- 1
- States / cities
- Aurora, Colorado
- Conditions
- Spinal Muscular Atrophy, Fragile X Syndrome, Fragile X - Premutation, Duchenne Muscular Dystrophy, Hyperinsulinemic Hypoglycemia, Familial 1, Diabetes Mellitus, Adrenoleukodystrophy, Neonatal, Medium-chain Acyl-CoA Dehydrogenase Deficiency, Very Long Chain Acyl Coa Dehydrogenase Deficiency, Beta-ketothiolase Deficiency, Severe Combined Immunodeficiency Due to Adenosine Deaminase Deficiency, Primary Hyperoxaluria Type 1, Congenital Bile Acid Synthesis Defect Type 2, Pyridoxine-Dependent Epilepsy, Hereditary Fructose Intolerance, Hypophosphatasia, Hyperargininemia, Mucopolysaccharidosis Type 6, Argininosuccinic Aciduria, Citrullinemia, Type I, Wilson Disease, Maple Syrup Urine Disease, Type 1A, Maple Syrup Urine Disease, Type 1B, Biotinidase Deficiency, Neonatal Severe Primary Hyperparathyroidism, Intrinsic Factor Deficiency, Usher Syndrome Type 1D/F Digenic (Diagnosis), Cystic Fibrosis, Stickler Syndrome Type 2, Stickler Syndrome Type 1, Alport Syndrome, Autosomal Recessive, Alport Syndrome, X-Linked, Carbamoyl Phosphate Synthetase I Deficiency Disease, Carnitine Palmitoyl Transferase 1A Deficiency, Carnitine Palmitoyltransferase II Deficiency, Cystinosis, Chronic Granulomatous Disease, Cerebrotendinous Xanthomatoses, Maple Syrup Urine Disease, Type 2, Severe Combined Immunodeficiency Due to DCLRE1C Deficiency, Thyroid Dyshormonogenesis 6, Thyroid Dyshormonogenesis 5, Supravalvar Aortic Stenosis, Factor X Deficiency, Hemophilia A, Hemophilia B, Tyrosinemia, Type I, Fructose 1,6 Bisphosphatase Deficiency, Glycogen Storage Disease Type I, G6PD Deficiency, Glycogen Storage Disease II, Galactokinase Deficiency, Mucopolysaccharidosis Type IV A, Galactosemias, Guanidinoacetate Methyltransferase Deficiency, Agat Deficiency, Glutaryl-CoA Dehydrogenase Deficiency, Gtp Cyclohydrolase I Deficiency, Hyperinsulinism-Hyperammonemia Syndrome, Primary Hyperoxaluria Type 2, 3-Hydroxyacyl-CoA Dehydrogenase Deficiency, Long-chain 3-hydroxyacyl-CoA Dehydrogenase Deficiency, Mitochondrial Trifunctional Protein Deficiency, Sickle Cell Disease, Beta-Thalassemia, Holocarboxylase Synthetase Deficiency, 3-Hydroxy-3-Methylglutaric Aciduria, Primary Hyperoxaluria Type 3, Hermansky-Pudlak Syndrome 1, Hermansky-Pudlak Syndrome 4, Apparent Mineralocorticoid Excess, HSDB, CBAS1, Mucopolysaccharidosis Type 2, Mucopolysaccharidosis Type 1, Severe Combined Immunodeficiency, X Linked, Severe Combined Immunodeficiency Due to IL-7Ralpha Deficiency, Diabetes Mellitus, Permanent Neonatal, Isovaleric Acidemia, Severe Combined Immunodeficiency T-Cell Negative B-Cell Positive Due to Janus Kinase-3 Deficiency (Disorder), Jervell and Lange-Nielsen Syndrome 2, Hyperinsulinemic Hypoglycemia, Familial, 2, Diabetes Mellitus, Permanent Neonatal, With Neurologic Features, Jervell and Lange-Nielsen Syndrome 1, Lysosomal Acid Lipase Deficiency, CblF, 3-Methylcrotonyl CoA Carboxylase 1 Deficiency, 3-Methylcrotonyl CoA Carboxylase 2 Deficiency, Waardenburg Syndrome Type 2A, Methylmalonic Aciduria cblA Type, Methylmalonic Aciduria cblB Type, Methylmalonic Aciduria and Homocystinuria Type cblC, MAHCD, Methylmalonic Aciduria Due to Methylmalonyl-CoA Mutase Deficiency, Congenital Disorder of Glycosylation Type 1B, Mthfr Deficiency, Methylcobalamin Deficiency Type Cbl G (Disorder), Methylcobalamin Deficiency Type cblE, Usher Syndrome, Type 1B, N-acetylglutamate Synthase Deficiency, Ornithine Transcarbamylase Deficiency, Phenylketonurias, Waardenburg Syndrome Type 1, Congenital Hypothyroidism, Propionic Acidemia, Usher Syndrome, Type 1F, Pancreatic Agenesis 1, Hereditary Hypophosphatemic Rickets, Glycogen Storage Disease IXB, Glycogen Storage Disease IXC, MOWS, Epilepsy, Early-Onset, Vitamin B6-Dependent, Pyridoxal Phosphate-Responsive Seizures, Pituitary Hormone Deficiency, Combined, 1, Ptsd, Dihydropteridine Reductase Deficiency, Severe Combined Immunodeficiency Due to RAG1 Deficiency, Severe Combined Immunodeficiency Due to RAG2 Deficiency, Retinoblastoma, Multiple Endocrine Neoplasia Type 2B, Pseudohypoaldosteronism, Type I, Liddle Syndrome, Biotin-Responsive Basal Ganglia Disease, SCD, DIAR1, GSD1C, Acrodermatitis Enteropathica, Thyroid Dyshormonogenesis 1, Riboflavin Transporter Deficiency, Waardenburg Syndrome, Type 2E, SRD, Congenital Lipoid Adrenal Hyperplasia Due to STAR Deficiency, Barth Syndrome, Adrenocorticotropic Hormone Deficiency, Transcobalamin II Deficiency, Thyroid Dyshormonogenesis 3, Segawa Syndrome, Autosomal Recessive, Autosomal Recessive Nonsyndromic Hearing Loss, Thyroid Dyshormonogenesis 2A, Congenital Isolated Thyroid Stimulating Hormone Deficiency, Hypothyroidism Due to TSH Receptor Mutations, Usher Syndrome Type 1C, Usher Syndrome Type 1G (Diagnosis), Von Willebrand Disease, Type 3, Combined Immunodeficiency Due to ZAP70 Deficiency, Adenine Phosphoribosyltransferase Deficiency, Metachromatic Leukodystrophy, Canavan Disease, Menkes Disease, Carbonic Anhydrase VA Deficiency, Developmental and Epileptic Encephalopathy 2, 17 Alpha-Hydroxylase Deficiency, Smith-Lemli-Opitz Syndrome, Krabbe Disease, Glutathione Synthetase Deficiency, Mucopolysaccharidosis Type 7, Rett Syndrome, Molybdenum Cofactor Deficiency, Type A, Niemann-Pick Disease, Type C1, Niemann-Pick Disease Type C2, Ornithine Aminotransferase Deficiency, 3-Phosphoglycerate Dehydrogenase Deficiency, Leber Congenital Amaurosis 2, Dravet Syndrome, Mucopolysaccharidosis Type 3 A, Ornithine Translocase Deficiency, Carnitine-acylcarnitine Translocase Deficiency, Glucose Transporter Type 1 Deficiency Syndrome, Creatine Transporter Deficiency, Niemann-Pick Disease Type A, Pitt Hopkins Syndrome, Tuberous Sclerosis 1, Tuberous Sclerosis 2, Ataxia With Isolated Vitamin E Deficiency, Angelman Syndrome, Prader-Willi Syndrome, Homocystinuria, Permanent Neonatal Diabetes Mellitus, Transient Neonatal Diabetes Mellitus, Factor VII Deficiency, Glycogen Storage Disease Type IXA1, Glycogen Storage Disease, Type IXA2, Glycogen Storage Disease IC, Glycogen Storage Disease Type IB, Central Hypoventilation Syndrome With or Without Hirschsprung Disease
- Interventions
- Confirmatory Testing
- Diagnostic Test
- Lead sponsor
- RTI International
- Other
- Eligibility
- 1 Day to 31 Days
- Enrollment
- 30,000 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2025
- U.S. locations
- 1
- States / cities
- Research Triangle Park, North Carolina
- Conditions
- Long QT Syndrome, Abnormalities, Drug-Induced
- Interventions
- Progesterone, Ibutilide
- Drug
- Lead sponsor
- Indiana University
- Other
- Eligibility
- 21 Years and older · Female only
- Enrollment
- 27 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2024
- U.S. locations
- 1
- States / cities
- Indianapolis, Indiana
- Conditions
- Andersen-Tawil Syndrome, Andersen Syndrome
- Interventions
- Not listed
- Lead sponsor
- University of Rochester
- Other
- Eligibility
- 10 Years and older
- Enrollment
- 28 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2012
- U.S. locations
- 4
- States / cities
- San Francisco, California • Kansas City, Kansas • Rochester, New York + 1 more
- Conditions
- Long QT Syndrome
- Interventions
- GS-6615, Placebo to match GS-6615, Placebo to match dofetilide, Dofetilide
- Drug
- Lead sponsor
- Gilead Sciences
- Industry
- Eligibility
- 18 Years to 40 Years
- Enrollment
- 60 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015
- U.S. locations
- 1
- States / cities
- West Bend, Wisconsin
- Conditions
- Long QT Syndrome
- Interventions
- Eleclazine
- Drug
- Lead sponsor
- Gilead Sciences
- Industry
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 55 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015
- U.S. locations
- 5
- States / cities
- DeLand, Florida • Miami, Florida • Orlando, Florida + 2 more
- Conditions
- Cardiopulmonary Failure, Myocardial Infarction (MI), Heart Decompensation, Heart Failure, HFrEF - Heart Failure with Reduced Ejection Fraction, HFpEF - Heart Failure with Preserved Ejection Fraction, Syncopation, Syncope, Ischemic Cardiovascular Disease, STEMI, STEMI (ST Elevation MI), Atrial Fibrillation (AF), Atrial Enlargement, LVF, Conduction Defect, Conduction Abnormalities, Heart Block, Valvular Diseases, Cardiac Output, Low, Stroke Volume, Stroke Volume Variation, Hyperkalemia, Hypercalcemia, Hypocalcemia, LV Dysfunction, QT Prolongation, Sudden Cardiac Death Due to Cardiac Arrhythmia, Ventricular Arrhythmia, Pacing, Pacing Induced Dyssynchrony, Silent Ischemia, Pericarditis, Sleep Related Breathing Disorder, RSA, Apnea, Obstructive, Cardiac Output Measurement, Respiratory Impedance, CRT And/or ICD, Infarction, Cardiomyopathies, Primary, Hypertrophy
- Interventions
- SUBPROTOCOL A, SUBPROTOCOL B, SUBPROTOCOL C, SUBPROTOCOL D, SUBPROTOCOL E, SUBPROTOCOL F, SUBPROTOCOL G, SUBPROTOCOL H
- Device
- Lead sponsor
- Peerbridge Health, Inc
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 15,000 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2026
- U.S. locations
- 1
- States / cities
- Melbourne, Florida
- Conditions
- Long QT Syndrome, Abnormalities, Drug-Induced
- Interventions
- Progesterone, Ibutilide, Testosterone, Placebo
- Drug
- Lead sponsor
- Indiana University
- Other
- Eligibility
- 50 Years to 99 Years
- Enrollment
- 73 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2025
- U.S. locations
- 3
- States / cities
- Indianapolis, Indiana
- Conditions
- Long QT Syndrome
- Interventions
- LQT-1213, Placebo, Dofetilide 250 μg Cap
- Drug
- Lead sponsor
- Thryv Therapeutics, Inc.
- Industry
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 42 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2024
- U.S. locations
- 1
- States / cities
- West Bend, Wisconsin
- Conditions
- Long QT Syndrome Type 3
- Interventions
- Eleclazine, Eleclazine placebo
- Drug
- Lead sponsor
- Gilead Sciences
- Industry
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 41 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2017
- U.S. locations
- 3
- States / cities
- Rochester, Minnesota • New York, New York • Rochester, New York
- Conditions
- LQT2 Syndrome
- Interventions
- Eleclazine, Placebo
- Drug
- Lead sponsor
- Gilead Sciences
- Industry
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 13 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2016
- U.S. locations
- 1
- States / cities
- Rochester, New York
- Conditions
- Cardiovascular Diseases, Heart Diseases, Ventricular Arrhythmia, Long QT Syndrome
- Interventions
- Not listed
- Lead sponsor
- University of Rochester
- Other
- Eligibility
- Up to 100 Years
- Enrollment
- 2,125 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 1985 – 2013
- U.S. locations
- 1
- States / cities
- Rochester, New York
- Conditions
- Long QT Syndrome
- Interventions
- QTScreen ECG Recorder
- Device
- Lead sponsor
- QT Medical, Inc.
- Other
- Eligibility
- 2 Weeks to 4 Weeks
- Enrollment
- 4,000 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015 – 2017
- U.S. locations
- 3
- States / cities
- Lynwood, California • Torrance, California
- Conditions
- Sensorineural Hearing Loss, Long QT Syndrome
- Interventions
- Not listed
- Lead sponsor
- Pediatrix
- Other
- Eligibility
- 1 Day to 90 Days
- Enrollment
- 600 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014 – 2020
- U.S. locations
- 12
- States / cities
- Anchorage, Alaska • Phoenix, Arizona • Waterford, Connecticut + 6 more
- Conditions
- Jervell and Lange Nielsen Syndrome
- Interventions
- diltiazem
- Drug
- Lead sponsor
- Vanderbilt University Medical Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 1 participant
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee