Immune Response Following COVID-19 Vaccination
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.
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
Conditions
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.