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ClinicalTrials.gov public records Last synced May 22, 2026, 1:30 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–10 of 10 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Long QT Syndrome (LQTS) Clear all
Recruiting No phase listed Observational
View directory record Official record
Conditions
Long QT Syndrome Type 3, Long QT Syndrome 2
Interventions
Not listed
Lead sponsor
Thryv Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Greenville, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 16, 2025 · Synced May 22, 2026, 1:30 AM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Long QT Syndrome, Familial Hypercholesterolemia, Ethics, Genetic Testing
Interventions
Direct contact of family members for cascade screening of relevant variants
Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Lancaster, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced May 22, 2026, 1:30 AM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 15, 2026 · Synced May 22, 2026, 1:30 AM EDT
Terminated Phase 1Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 23, 2025 · Synced May 22, 2026, 1:30 AM EDT
Completed Phase 1 Interventional Results available
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 29, 2020 · Synced May 22, 2026, 1:30 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 25, 2023 · Synced May 22, 2026, 1:30 AM EDT
Recruiting Phase 2Phase 3 Interventional
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 29, 2026 · Synced May 22, 2026, 1:30 AM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 27, 2016 · Synced May 22, 2026, 1:30 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Hypertrophic Cardiomyopathy, Long QT Syndrome
Interventions
Not listed
Lead sponsor
Yale University
Other
Eligibility
8 Years to 60 Years
Enrollment
4,299 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
29
States / cities
Tucson, Arizona • Orange, California • San Diego, California + 24 more
Source: ClinicalTrials.gov public record
Updated Sep 4, 2023 · Synced May 22, 2026, 1:30 AM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Long QT Syndrome
Interventions
GS-6615
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Nov 16, 2014 · Synced May 22, 2026, 1:30 AM EDT