SARS-CoV-2 Immune Responses After COVID-19 Therapy and Subsequent Vaccine
Public ClinicalTrials.gov record NCT04952402. 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.
Study identification
- NCT ID
- NCT04952402
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 4
- Lead sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
- NIH
- Enrollment
- 43 participants
Conditions and interventions
Conditions
Interventions
- Study-provided Moderna mRNA-1273 COVID-19 vaccine Biological
- Community-provided Moderna mRNA-1273 COVID-19 Vaccine Biological
- Community-Provided Pfizer-BioNTech BNT162b2 COVID-19 Vaccine Biological
Biological
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jul 8, 2021
- Primary completion
- Feb 27, 2022
- Completion
- Jan 9, 2023
- Last update posted
- May 23, 2023
2021 – 2023
United States locations
- U.S. sites
- 6
- U.S. states
- 5
- U.S. cities
- 6
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| UCLA CARE Center CRS | Los Angeles | California | 90035-4709 | — |
| UCSD Antiviral Research Center CRS | San Diego | California | 92103 | — |
| Rush University CRS (Site ID: 2702) | Chicago | Illinois | 60612 | — |
| Brigham and Women's Hospital Therapeutics Clinical Research Site (BWH TCRS) CRS | Boston | Massachusetts | 02115 | — |
| Chapel Hill CRS (Site ID: 3201) | Chapel Hill | North Carolina | 27599 | — |
| University of Washington AIDS CRS | Seattle | Washington | 98104-9929 | — |
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 NCT04952402, 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 May 23, 2023 · Synced Jul 24, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04952402 live on ClinicalTrials.gov.