Face Masks for Preventing Influenza Transmission
GRIPMASK
a Randomized Controlled Trial Evaluating the Effectiveness and the Safety of Surgical Masks Wared by the Index Patient for Preventing Secondary Transmission of Influenza A in Households
1 other identifier
interventional
372
1 country
1
Brief Summary
This work aims to measure the effectiveness of face mask worn by a patient with flu to avoid transmission to other persons in the household.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_4
Started Jan 2009
Shorter than P25 for phase_4
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
October 16, 2008
CompletedFirst Posted
Study publicly available on registry
October 17, 2008
CompletedStudy Start
First participant enrolled
January 1, 2009
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 1, 2009
CompletedStudy Completion
Last participant's last visit for all outcomes
September 1, 2009
CompletedApril 26, 2011
September 1, 2008
8 months
October 16, 2008
April 22, 2011
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
The number of household contacts who will develop within 7 days of the inclusion of the index patient a respiratory syndrome defined by fever> = 37.8 ° C and a cough or a sore throat.
during the study
Secondary Outcomes (9)
clinical events in all household members on the entire monitoring period (21 days).
21 days
Adverse events related to wearing a mask - a safety issue.
during the study
Number of days of wearing a mask, number of masks used.
during the study
Drug-consumption, in particular antibiotics
during the study
Sick-leave from work (for adults contacts), or from school (for children of school age).
during the study
- +4 more secondary outcomes
Study Arms (2)
2
PLACEBO COMPARATORNo intervention
1
EXPERIMENTALMask
Interventions
Non sterile surgical mask, high filtration "AEROKYN", type 2 with eardrop Masks will be worn at home by the patient over a period of 5 days following inclusion, whenever a member of the household will attend the same room or in other confined space (eg car), and changed after 3 hours of consecutive use or sooner if they are tor Masks will not be worn: * during the night, * when the patient is alone in the room. Moreover, for all households, an incentive in nocturnal isolation of index-patient will be recommended
Eligibility Criteria
You may qualify if:
- Patient seeking medical advice for:
- For symptoms less than 48 hours, combining fever\> = 37.8 ° C and a cough,
- during the period of a seasonal influenza epidemic (as defined by the Sentinel network)
- Older than 5 years
- And living in a household size between 3 to 8..
- The patient is the first case in the household (index patient). The patient has a positive rapid influenza A test.
- Informed consent.
- Affiliation to the social security.
You may not qualify if:
- When concomitant influenza cases are known in other householders
- When the patient is suffering from asthma or COPD (ongoing treatment):
- Hospitalization.
- Treatment by a neuraminidase inhibitor.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Hopital Saint Antoine
Paris, 75012, France
Related Publications (2)
Sies H, Akerboom TP, Tager JM. Mitochondrial and cytosolic NADPH systems and isocitrate dehydrogenase indicator metabolites during ureogensis from ammonia in isolated rat hepatocytes. Eur J Biochem. 1977 Jan;72(2):301-7. doi: 10.1111/j.1432-1033.1977.tb11253.x.
PMID: 13998RESULTCanini L, Andreoletti L, Ferrari P, D'Angelo R, Blanchon T, Lemaitre M, Filleul L, Ferry JP, Desmaizieres M, Smadja S, Valleron AJ, Carrat F. Surgical mask to prevent influenza transmission in households: a cluster randomized trial. PLoS One. 2010 Nov 17;5(11):e13998. doi: 10.1371/journal.pone.0013998.
PMID: 21103330DERIVED
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Fabrice CARRAT, MD PhD
Assistance Publique - Hôpitaux de Paris
Study Design
- Study Type
- interventional
- Phase
- phase 4
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
Study Record Dates
First Submitted
October 16, 2008
First Posted
October 17, 2008
Study Start
January 1, 2009
Primary Completion
September 1, 2009
Study Completion
September 1, 2009
Last Updated
April 26, 2011
Record last verified: 2008-09