Immunity After COVID-19 Vaccination
Public ClinicalTrials.gov record NCT04883164. 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.
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of the research is to evaluate new blood tests, which measure immunity to the COVID-19 coronavirus after vaccination. These tests will be used to measure T-cell and antibody immunity after COVID-19 vaccination. Recent studies show that less than one-fifth of chronically immunosuppressed transplant recipients developed anti-receptor-binding domain antibodies after the first dose of the Pfizer vaccine (Boyarski, 2021). ood sampling at periodic intervals. These samples will be used to measure T-cell and antibody immunity to the COVID-19 coronavirus.
Study identification
- NCT ID
- NCT04883164
- Recruitment status
- Not listed
- Study type
- Observational
- Phase
- Not listed
- Enrollment
- 300 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years to 100 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
- Apr 26, 2021
- Primary completion
- Mar 30, 2023
- Completion
- Mar 30, 2023
- Last update posted
- May 11, 2021
2021 – 2023
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Plexision | Pittsburgh | Pennsylvania | 15224 | 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 NCT04883164, 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 11, 2021 · Synced Sep 4, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04883164 live on ClinicalTrials.gov.