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Not listed No phase listed Observational

Immune Response Following COVID-19 Vaccination

ClinicalTrials.gov ID: NCT04736524

Public ClinicalTrials.gov record NCT04736524. 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.

ClinicalTrials.gov public records Last synced Jul 21, 2026, 6:05 PM EDT

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

Official title

Immune Response Following COVID-19 Vaccination (IFVAC)

Study identification

NCT ID
NCT04736524
Recruitment status
Not listed
Study type
Observational
Phase
Not listed
Lead sponsor
Texas Cardiac Arrhythmia Research Foundation
Other
Enrollment
500 participants

Conditions and interventions

Interventions

  • Rapid antibody test Other

Other

Eligibility (public fields only)

Age range
16 Years to 85 Years
Sex
All
Healthy volunteers
Not listed

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

Study timeline

Start date
Jan 14, 2021
Primary completion
Feb 28, 2022
Completion
Feb 28, 2022
Last update posted
Feb 2, 2021

2021 – 2022

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Texas Cardiac arrhythmia Institute, St. David's Hospital Austin Texas 78705 Recruiting

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

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04736524, 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 Feb 2, 2021 · Synced Jul 21, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04736524 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →