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Recruiting Phase 3 Interventional

Surveillance and Treatment to Prevent Fetal Atrioventricular Block Likely to Occur Quickly (STOP BLOQ)

ClinicalTrials.gov ID: NCT04474223

Public ClinicalTrials.gov record NCT04474223. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

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ClinicalTrials.gov public records Last synced Jul 22, 2026, 8:53 AM EDT

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

Study identification

NCT ID
NCT04474223
Recruitment status
Recruiting
Study type
Interventional
Phase
Phase 3
Lead sponsor
NYU Langone Health
Other
Enrollment
1,300 participants

Conditions and interventions

Interventions

  • Dexamethasone Drug
  • IVIG Drug

Drug

Eligibility (public fields only)

Age range
18 Years and older
Sex
Female
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jul 31, 2020
Primary completion
Dec 30, 2028
Completion
Jun 29, 2029
Last update posted
Apr 5, 2026

2020 – 2029

United States locations

U.S. sites
23
U.S. states
17
U.S. cities
20
Facility City State ZIP Site status
Phoenix Children's Hospital/Dignity Health Phoenix Arizona 85016 Recruiting
University of California - Los Angeles (UCLA) Los Angeles California 90095 Recruiting
Stanford University Palo Alto California 94305 Recruiting
University of California-San Francisco San Francisco California 94143 Recruiting
University of Colorado, Denver (UCD) Aurora Colorado 80204 Recruiting
Yale University School of Medicine New Haven Connecticut 06510 Recruiting
Children's National Medical Center/George Washington University Washington D.C. District of Columbia 20010 Recruiting
University of Kentucky / Kentucky Children's Hospital Lexington Kentucky 40536 Recruiting
University of Louisville / Norton Children's Hospital Louisville Kentucky 40202 Not yet recruiting
University of Michigan / C. S. Mott Children's Hospital Ann Arbor Michigan 48109 Recruiting
Children's Hospital of Minnesota Minneapolis Minnesota 55404 Recruiting
Perinatal Associates of New Mexico Rio Rancho New Mexico 87124 Recruiting
NYU Langone Health New York New York 10016 Recruiting
Mount Sinai New York New York 10029 Recruiting
Columbia University Medical Center New York New York 10032 Recruiting
UH Rainbow Babies / Children's Hospital Cleveland Ohio 44106 Recruiting
Cleveland Clinic Lerner College of Medicine Cleveland Ohio 44195 Recruiting
Vanderbilt University Medical Center Nashville Tennessee 37232 Recruiting
Baylor College of Medicine Houston Texas 77030 Recruiting
University of Utah Health Salt Lake City Utah 84102 Recruiting
University of Vermont Children's Hospital Burlington Vermont 05401 Recruiting
Eastern Virginia Medical School (EVMS) Norfolk Virginia 23507 Recruiting
Seattle Children's Hospital Seattle Washington 98105 Not yet recruiting

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 1 non-U.S. site.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04474223, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Apr 5, 2026 · Synced Jul 22, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04474223 live on ClinicalTrials.gov.

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