# Study of Kinetics and Efficacy of the Immune Response Against COVID-19 Among Hospital Staff

> **NCT04408001** · — · COMPLETED · sponsor: **Direction Centrale du Service de Santé des Armées** · enrollment: 499 (actual)

## Conditions studied

- Sars-CoV2

## Interventions

- **OTHER:** Clinical interview
- **BIOLOGICAL:** Blood collection
- **BIOLOGICAL:** Saliva collection

## Key facts

- **NCT ID:** NCT04408001
- **Lead sponsor:** Direction Centrale du Service de Santé des Armées
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2020-06-04
- **Primary completion:** 2022-03-15
- **Final completion:** 2022-03-15
- **Target enrollment:** 499 (ACTUAL)
- **Last updated:** 2023-04-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04408001

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04408001, "Study of Kinetics and Efficacy of the Immune Response Against COVID-19 Among Hospital Staff". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT04408001. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*