# Mechanisms of Anti COVID-19 Humoral and Cellular Immune Response After Vaccination in a Sample of Patients and Salaried Staff From a French Anti-cancer Center

> **NCT04935528** · NA · COMPLETED · sponsor: **Centre Georges Francois Leclerc** · enrollment: 539 (actual)

## Conditions studied

- Cancer

## Interventions

- **BIOLOGICAL:** serology and ELISPOT test
- **BIOLOGICAL:** serology

## Key facts

- **NCT ID:** NCT04935528
- **Lead sponsor:** Centre Georges Francois Leclerc
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-06-02
- **Primary completion:** 2022-01-26
- **Final completion:** 2022-01-26
- **Target enrollment:** 539 (ACTUAL)
- **Last updated:** 2023-10-11


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04935528

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04935528, "Mechanisms of Anti COVID-19 Humoral and Cellular Immune Response After Vaccination in a Sample of Patients and Salaried Staff From a French Anti-cancer Center". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04935528. Licensed CC0.

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