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ClinicalTrials.gov public records Last synced May 22, 2026, 12:49 AM EDT

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

Showing 1–7 of 7 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed No phase listed Observational Accepts healthy volunteers Results available
Conditions
Fetal Arrhythmia, Abnormality in Fetal Heart Rate or Rhythm, Long QT Syndrome
Interventions
magnetocardiography, postnatal ECG, fetal echocardiography
Device
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 28, 2019 · Synced May 22, 2026, 12:49 AM EDT
Conditions
AVB - Atrioventricular Block, Fetal AVB
Interventions
Dexamethasone, IVIG
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older · Female only
Enrollment
1,300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2029
U.S. locations
23
States / cities
Phoenix, Arizona • Los Angeles, California • Palo Alto, California + 17 more
Source: ClinicalTrials.gov public record
Updated Apr 5, 2026 · Synced May 22, 2026, 12:49 AM EDT
Conditions
Atrial Flutter, Tachycardia, Supraventricular, Tachycardia, Atrial Ectopic, Tachycardia, Reciprocating, Tachycardia Atrial, Tachycardia, Atrioventricular Nodal Reentry, Tachycardia, Paroxysmal, Fetal Hydrops
Interventions
Prospective observational cohorts
Other
Lead sponsor
Edgar Jaeggi
Other
Eligibility
16 Years to 50 Years · Female only
Enrollment
330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
18
States / cities
Phoenix, Arizona • San Francisco, California • Denver, Colorado + 15 more
Source: ClinicalTrials.gov public record
Updated May 30, 2025 · Synced May 22, 2026, 12:49 AM EDT
Conditions
High Risk Pregnancy, Congenital Heart Disease, Fetal Hydrops, Twin Monochorionic Monoamniotic Placenta, Gastroschisis, Fetal Demise, Stillbirth, Fetal Arrhythmia, Long QT Syndrome, Intrauterine Fetal Death, Sudden Infant Death, Pregnancy Loss, Twin Twin Transfusion Syndrome, Birth Defect, Fetal Cardiac Anomaly, Fetal Cardiac Disorder, Fetal Death, Brugada Syndrome, Fetal Tachycardia
Interventions
Fetal Magnetocardiogram and Neonatal Electrocardiogram, Substudy only: Maternal/Infant Pharmacogenomic assessment postnatally
Diagnostic Test · Genetic
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2028
U.S. locations
2
States / cities
Madison, Wisconsin • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced May 22, 2026, 12:49 AM EDT
Conditions
Heart Block Complete, Heart Block Second Degree
Interventions
Dexamethasone, No Dexamethasone
Drug · Other
Lead sponsor
The Hospital for Sick Children
Other
Eligibility
16 Years to 50 Years · Female only
Enrollment
350 participants
Timeline
2020 – 2029
U.S. locations
12
States / cities
Phoenix, Arizona • San Francisco, California • Denver, Colorado + 9 more
Source: ClinicalTrials.gov public record
Updated May 21, 2024 · Synced May 22, 2026, 12:49 AM EDT
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
Source: ClinicalTrials.gov public record
Updated Feb 20, 2022 · Synced May 22, 2026, 12:49 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers
Conditions
Fetal Arrhythmia
Interventions
fetal MCG
Device
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older · Female only
Enrollment
450 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2028
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced May 22, 2026, 12:49 AM EDT