# Immunity After COVID-19 Vaccination

> **NCT04883164** · — · UNKNOWN · sponsor: **Plexision** · enrollment: 300 (estimated)

## Conditions studied

- Immunity to COVID-19

## Interventions

- **OTHER:** Cellular and antibody response to spike antigens of SARS-CoV-2 in both groups in peripheral blood samples

## Key facts

- **NCT ID:** NCT04883164
- **Lead sponsor:** Plexision
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2021-04-27
- **Primary completion:** 2023-03-31
- **Final completion:** 2023-03-31
- **Target enrollment:** 300 (ESTIMATED)
- **Last updated:** 2021-05-12


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04883164

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04883164, "Immunity After COVID-19 Vaccination". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT04883164. Licensed CC0.

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