# Covid-19 Vaccine Response in Elderly Subjects

> **NCT04760704** · — · COMPLETED · sponsor: **University Hospital, Lille** · enrollment: 264 (actual)

## Conditions studied

- Covid19 Vaccine

## Interventions

- **BIOLOGICAL:** Specific antibody and cellular immune response after anti-SARS-CoV-2 vaccine administration

## Key facts

- **NCT ID:** NCT04760704
- **Lead sponsor:** University Hospital, Lille
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2021-02-18
- **Primary completion:** 2023-03-28
- **Final completion:** 2023-03-28
- **Target enrollment:** 264 (ACTUAL)
- **Last updated:** 2025-12-26


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04760704

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04760704, "Covid-19 Vaccine Response in Elderly Subjects". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT04760704. Licensed CC0.

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