Household Influenza Transmission Study
HITS
Study to Assess Effectiveness of Nonpharmaceutical Interventions (Handwashing, Face Mask Use) to Prevent Influenza Transmission in Households
1 other identifier
interventional
2,920
1 country
1
Brief Summary
The purpose of this study is to determine whether nonpharmaceutical interventions (i.e., handwashing and masks) reduce secondary transmission of influenza in households.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started Apr 2008
Longer than P75 for not_applicable
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
Study Start
First participant enrolled
April 9, 2008
CompletedFirst Submitted
Initial submission to the registry
December 1, 2010
CompletedFirst Posted
Study publicly available on registry
December 2, 2010
CompletedPrimary Completion
Last participant's last visit for primary outcome
November 12, 2012
CompletedStudy Completion
Last participant's last visit for all outcomes
November 1, 2013
CompletedSeptember 19, 2024
September 1, 2024
4.6 years
December 1, 2010
September 3, 2024
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Secondary influenza infection in household members
To determine the secondary attack rate (SAR) in households with a child with laboratory-confirmed influenza infection.
21 days
Study Arms (3)
Control
NO INTERVENTIONControl: nutrition, physical activity and smoking cessation education
Hand washing
EXPERIMENTALIntervention 1: hand washing education and material
Hand washing and surgical mask
EXPERIMENTALIntervention 2: hand washing education and material AND paper surgical face masks
Interventions
hand washing education and material and paper surgical face masks
Eligibility Criteria
You may qualify if:
- Child, 1 month through 15 years of age
- Resident of Bangkok Metropolitan Area
- Outpatient of Queen Sirikit National Institute of Child Health Children's
- Hospital seen during HITS' active study period
- Positive influenza rapid test result from patient presenting with influenza-like illness
- In addition to the index case, consent must be obtained from at least 2 household members ≥1 month of age who plan to sleep inside the house for a period of at least 21 days from the time of enrollment
You may not qualify if:
- Illness onset 48 hours or more before presentation and influenza testing at Queen Sirikit National Institute of Child Health Children's Hospital
- Treatment with influenza antiviral medications since it may decrease secondary attack rate
- Children who are at high risk for severe influenza disease (e.g., chronic lung disease, renal disease, chemotherapy for cancer, long-term aspirin therapy)
- Receipt of influenza vaccine by any household member during the preceding 12 months.
- Prior participation in HITS.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Queen Sirikit National Institute of Child Health
Ratchathewi, Bangkok, 10400, Thailand
Related Publications (2)
Simmerman JM, Suntarattiwong P, Levy J, Gibbons RV, Cruz C, Shaman J, Jarman RG, Chotpitayasunondh T. Influenza virus contamination of common household surfaces during the 2009 influenza A (H1N1) pandemic in Bangkok, Thailand: implications for contact transmission. Clin Infect Dis. 2010 Nov 1;51(9):1053-61. doi: 10.1086/656581.
PMID: 20879867RESULTSuntarattiwong P, Jarman RG, Levy J, Baggett HC, Gibbons RV, Chotpitayasunondh T, Simmerman JM. Clinical performance of a rapid influenza test and comparison of nasal versus throat swabs to detect 2009 pandemic influenza A (H1N1) infection in Thai children. Pediatr Infect Dis J. 2010 Apr;29(4):366-7. doi: 10.1097/INF.0b013e3181c6f05c.
PMID: 19949356RESULT
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Sonja J Olsen, PhD
Centers for Disease Control and Prevention
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- FED
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
December 1, 2010
First Posted
December 2, 2010
Study Start
April 9, 2008
Primary Completion
November 12, 2012
Study Completion
November 1, 2013
Last Updated
September 19, 2024
Record last verified: 2024-09