CI

At a glance

ClinicalIndex Comparison Record
N/ACompleted· 96,883 enrolled
Drug / intervention
Non applicablebiological
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT04392388
NCT04392388N/ACompleted

Health, Perception, Practices, Relations and Social Inequalities in the General Population During the Covid-19 Crisis - Serology

Institut National de la Santé Et de la Recherche Médicale, France·observational·Posted May 18, 2020·Updated Dec 10, 2025

In Brief

An observational study evaluating Non applicable for SARS-CoV 2. Completed, enrolled 96,883 participants across 1 site.

Detailed Summary

This study aims to quantify and follow the cumulative incidence of SARS-CoV-2 infection in the French population using serological tests and to assess the determinants of infection from Constances, E3N-E4N, ELFE-Epipage 2 and NutriNet-Santé cohorts.

Study Details

Study Typeobservational
Allocation--
Masking--
Primary Purpose--
ConditionsSARS-CoV 2
CountriesFrance
Collaborators--

Timeline

N/ACompletedFinished
202120222023202420252026
First PostedMay 18, 2020
Enrollment StartMay 1, 2020
Primary CompletionDec 31, 2022
Study CompletionApr 11, 2023
TodayJul 2, 2026
Enrollment to primary: 2.7 yearsPosted 6.1 years ago

Interventions

Non applicablebiological

to collect data from questionnaires and to collect serological samples