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RecruitingNCT06446232Updated Jun 6, 2024

Influenza Vaccine Effectiveness in Among Young Children in Taiwan

An observational study in Influenza Vaccine Allergy, sponsored by National Taiwan University Hospital. Recruiting at 1 site in Taiwan. Open to participants aged 6 Months to 18 Years. Per ClinicalTrials.gov, last updated 2024-06-06.

Sponsored by National Taiwan University Hospital · Observational

From the registry’s dates

  • Started Sep 2023; still recruiting 3 years 1 month later.
Study type
Observational
Model
Other
Time perspective
Other
Enrollment
1
Ages
6 Months to 18 Years
Sex
All
01

Study summary

This project uses questionnaires to statistically analyze whether influenza vaccination is protective for young children.

Read the detailed description

This plan is expected to admit 350 children who are admitted to the emergency department or hospitalized due to influenza and are aged from 6 months (inclusive) to under 18 years old. Vaccine status, statistical analysis of whether the flu vaccine is protective.

02

Conditions studied

  • Influenza Vaccine Allergy

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Keywords

  • Influenza Vaccine
03

In context

Influenza, Human

2,214 studies on the registry are indexed under Influenza, Human; 163 are open to participants now.

This study's planned enrollment of 1 is below the median of 300 across 305 observational studies indexed under Influenza, Human.

Browse Influenza, Human studies →

Lead sponsor

National Taiwan University Hospital is the lead sponsor of 2,563 studies on the registry; 569 are open to participants now.

Of its 11 completed or terminated interventional studies of FDA-regulated products, 2 (18%) have results posted.

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

04

Who can participate

Ages eligible
6 Months to 18 Years
Sexes eligible
All
Sampling method
Probability sample

Study population

Those who have performed a rapid influenza screening test, regardless of whether the result is negative or positive

Inclusion criteria

  • Clinical diagnosis of influenza by Flu A+B rapid antigen test
  • Known vaccination status

Exclusion criteria

Exclusion Criteria:

  • Unknown vaccination status
05

Study design

Observational model
Other
Time perspective
Other
Enrollment
1 participant (estimated)
Patient registry
No
06

What researchers measure

Primary outcomes

  1. Questionnaires

    This project uses questionnaires to statistically analyze whether the flu vaccine is protective for young children. Researchers collect flu rapid test results and invite subjects to write questionnaires. Data collectors administered a standardised questionnaire that included information on demographics, medical history (including flu vaccination status and self-reported prior flu infection).

    Time frame: 12 months

07

Study locations

1 of 1 sites recruiting
  • National Taiwan University Hospital
    Taipei, Taiwan
    Recruiting
08

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jun 6, 2024, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT06446232
Lead sponsor
National Taiwan University Hospital
Responsible party
Sponsor
First posted
Jun 6, 2024
Start date
Sep 1, 2023
Primary completion
Aug 31, 2028 (estimated)
Completion
Aug 31, 2029 (estimated)
Last update
Jun 6, 2024

Study contacts

Yi Jen Liau
Contact
u8809032@gmail.com
02-23123456 ext. 271729

Oversight

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

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