CClinicalTrials.gg
Sign In
Status unknownNCT04738331CovPCRUpdated May 26, 2021

Analysing the French COVID-19 Epidemic Using a National SARS-CoV-2 RT-PCR Database

An observational study in Covid-19 and SARS-CoV Infection, sponsored by University Hospital, Montpellier. Status unknown at 1 site in France. Per ClinicalTrials.gov, last updated 2021-05-26.

Sponsored by University Hospital, Montpellier · Observational

The sponsor has not verified this record recently (last verified May 2021), so the status shown — last known as Recruiting — may be out of date.
Study type
Observational
Model
Other
Time perspective
Retrospective
Enrollment
10,000,000
Sex
All
01

Study summary

Analysing ths spread of COVID-19 epidemics in a timely manner is key to implementing public health control strategies. The investigators propose to analyse a large set of laboratory SARS-CoV-2 RT-PCR data to explore potential links between Ct values and epidemic parameters.

02

Conditions studied

  • Covid-19
  • SARS-CoV Infection

Keywords

  • SARS-Cov2 infection
  • Tested for SARS-Cov2 infection with RT-PCR test
  • CT
  • epidemiology
  • reproduction number
03

In context

Infections

6,687 studies on the registry are indexed under Infections; 807 are open to participants now.

This study's planned enrollment of 10,000,000 is above the median of 240 across 2,136 observational studies indexed under Infections.

Browse Infections studies →

Lead sponsor

University Hospital, Montpellier is the lead sponsor of 1,244 studies on the registry; 225 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
Child (0–17), Adult (18–64), Older adult (65+)
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Non-probability sample

Study population

French population with a RT-PCR test for SARS-Cov2 infection

Inclusion criteria

  • A SARS-Cov2 RT-PCR result with a known sampling date

Exclusion criteria

Exclusion criteria:

  • Patient refusing to participate in research
05

Study design

Observational model
Other
Time perspective
Retrospective
Enrollment
10,000,000 participants (estimated)
Patient registry
No
06

What researchers measure

Primary outcomes

  1. Detecting co-factors associated with Ct values

    Detecting co-factors associated with Ct values

    Time frame: 1 day

Secondary outcomes

  1. Detecting associations with epidemic spread

    Detecting associations with epidemic spread

    Time frame: 1 day

07

Study locations

1 of 1 sites recruiting
08

References and documents

Individual participant data

Plan to share: Undecided — NC

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on May 26, 2021, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT04738331
Lead sponsor
University Hospital, Montpellier
Responsible party
Sponsor
First posted
Feb 4, 2021
Start date
Feb 1, 2021
Primary completion
May 20, 2022 (estimated)
Completion
Jun 30, 2022 (estimated)
Last update
May 26, 2021

Study contacts

Samuel Alizon, PhD
Contact
samuel.alizon@cnrs.fr
610654902 ext. 33
Vincent Foulongne, PhD
Contact
v-foulongne@chu-montpellier.fr
467 330 254 ext. 33
Vincent Foulongne, PhD
study director · UH MONTPELLIER

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is status unknown, as verified in May 2021. You cannot join it, but the record below documents what was studied.

Follow this study

Get an email when the registry record changes — status, dates, results — or when someone posts here.

Sign in to follow

Discussion

Questions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.

Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.

Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.

Other studies in this condition

Infections→

Other studies from this sponsor

University Hospital, Montpellier

Start the discussion