Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 5, 2026, 6:18 PM EDT

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Showing 25–30 of 30 matching trials from the live ClinicalTrials.gov search.
Conditions
Supraventricular Tachycardia
Interventions
Intracardiac echocardiography and 3D navigational system
Device
Lead sponsor
Boston Children's Hospital
Other
Eligibility
8 Years to 21 Years
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Fetal Atrial Flutter Without Hydrops, Fetal Supraventricular Tachycardia Without Hydrops, Fetal Supraventricular Tachycardia With Hydrops
Interventions
Digoxin (monotherapy), Sotalol (monotherapy), Flecainide (monotherapy), Digoxin (dual therapy), Sotalol (dual therapy), Flecainide (dual therapy)
Drug
Lead sponsor
Edgar Jaeggi
Other
Eligibility
16 Years to 50 Years · Female only
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2024
U.S. locations
12
States / cities
San Francisco, California • Aurora, Colorado • Washington D.C., District of Columbia + 8 more
Conditions
Inappropriate Sinus Tachycardia
Interventions
electrophysiology study and radiofrequency ablation
Procedure
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 80 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2020
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Completed No phase listed Observational Results available

EnSite Precision Observational Study

NCT03260244
Conditions
Cardiac Arrhythmia
Interventions
cardiac mapping and radiofrequency ablation procedure
Procedure
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
1,065 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
7
States / cities
Birmingham, Alabama • Jonesboro, Arkansas • Little Rock, Arkansas + 4 more
Active, not recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Treatment of Orthostatic Intolerance

NCT00262470
Conditions
Tachycardia, Chronic Orthostatic Intolerance
Interventions
Acetazolamide, Atomoxetine, NO Drug, Clonidine, Entacapone, Entacapone & Propranolol, Atomoxetine & Propranolol, Indomethacin, Mecamylamine, Isosorbide Dinitrate, Melatonin, Midodrine, Modafinil, Octreotide, Placebo, Propranolol, Modafinil & Propranolol, Sertraline, IV Saline, Drinking Water, Breathing Device, memantine, Abdominal binder
Drug · Other · Dietary Supplement + 3 more
Lead sponsor
Satish R. Raj
Other
Eligibility
18 Years to 70 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1997 – 2029
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Paroxysmal Supraventricular Tachycardia
Interventions
Etripamil NS
Drug
Lead sponsor
Milestone Pharmaceuticals Inc.
Other
Eligibility
6 Years to 17 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
6
States / cities
Phoenix, Arizona • Oak Lawn, Illinois • Cincinnati, Ohio + 3 more