FLUVAC EV-02
Efficiency in Population of Influenza Vaccination for Seasonal 2012-2013 for Flu Prevention of the Hospitalized Adults: an Observational Study
Sponsor study identifier
Secondary identifiers
REGISTRY · IDRCB
interventional
450
1 country
1
Study Start
December 2012
Date type not reportedThis date has not been verified as actual or estimated.
Primary Completion
April 2013
Actual (reported)Study Completion
May 2013
Actual (reported)This study assesses the seasonal of influenza vaccine effectiveness in adults hospitalised with laboratory-confirmed influenza through a network of hospitals in France
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
May 2013
Actual (reported)Click on a node to explore related trials.
Some registry-reported names shown below are not yet linked in this graph.
Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
December 2012
Date type not reportedThis date has not been verified as actual or estimated.
December 21, 2012
Actual (reported)January 9, 2013
Actual (reported)April 2013
Actual (reported)May 2013
Actual (reported)Measure of vaccine efficacy in population by comparing the number of influenza cases virologically documented in hospitalized patients vaccinated and unvaccinated.
The effectiveness of the vaccine in population will be calculated according to the formula VE = 1 - OR. an interval exact confidence of 95% will be calculated on the point estimate.
6 months
Measure of vaccine efficacy in population by comparing the number of influenza cases virologically documented in hospitalized patients vaccinated and unvaccinated according to age groups
6 months
Measure of vaccine efficacy in population by comparing the number of influenza cases virologically documented in hospitalized patients vaccinated and unvaccinated depending on the subtypes.
6 months
Description of the population hospitalized for ILI (socio-demographic characteristics, risk factors, pattern and duration of hospitalization...)
6 months
one will be taken nasopharyngeal all patients hospitalized for 24 hours with ILI in the last seven days.
The nasopharyngeal sample will be used to find the types and subtypes of influenza virus and other respiratory viruses.
Registry-reported names are shown in full. Names without a link have not yet been matched to a Syfrah profile.
Institut National de la Santé Et de la Recherche Médicale
Paris, 75654, France
Puig-Barbera J, Tormos A, Sominina A, Burtseva E, Launay O, Ciblak MA, Natividad-Sancho A, Buigues-Vila A, Martinez-Ubeda S, Mahe C; GIHSN Group. First-year results of the Global Influenza Hospital Surveillance Network: 2012-2013 Northern hemisphere influenza season. BMC Public Health. 2014 Jun 5;14:564. doi: 10.1186/1471-2458-14-564.
Puig-Barbera J, Natividad-Sancho A, Launay O, Burtseva E, Ciblak MA, Tormos A, Buigues-Vila A, Martinez-Ubeda S, Sominina A; GIHSN Group. 2012-2013 Seasonal influenza vaccine effectiveness against influenza hospitalizations: results from the global influenza hospital surveillance network. PLoS One. 2014 Jun 19;9(6):e100497. doi: 10.1371/journal.pone.0100497. eCollection 2014.
Odile Launay, PU-PH
Assistance Publique - Hôpitaux de Paris
450 participants (actual enrollment reported by the registry).
First Submitted
December 21, 2012
First Posted
January 9, 2013
Study Start
December 2012
Date type not reportedThis date has not been verified as actual or estimated.
Contact the study team to confirm eligibility.
Primary Completion
April 2013
Actual (reported)Study Completion
May 2013
Actual (reported)Last Updated
September 2, 2025
Record last verified: 2025-03
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Source: ClinicalTrials.gov.
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