# Comparative Study of Patterns of Immune Response to COVID 19 Vaccination

> **NCT05408299** · — · UNKNOWN · sponsor: **National Research Centre, Egypt** · enrollment: 100 (estimated)

## Conditions studied

- Immune Response to Covid 19 Vaccination

## Interventions

- **BIOLOGICAL:** Covid vaccines (Moderna - Pfizer- Astra Zeneca- Johnson and Johnson - Sinopahrm)

## Key facts

- **NCT ID:** NCT05408299
- **Lead sponsor:** National Research Centre, Egypt
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2022-06-20
- **Primary completion:** 2023-02
- **Final completion:** 2023-03
- **Target enrollment:** 100 (ESTIMATED)
- **Last updated:** 2022-06-07

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05408299

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05408299, "Comparative Study of Patterns of Immune Response to COVID 19 Vaccination". Retrieved via AI Analytics 2026-06-08 from https://api.ai-analytics.org/clinical/NCT05408299. Licensed CC0.

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