Study to Evaluate Impact of School-based Influenza Vaccination on School Populations

August 1, 2016 updated by: Pia S. Pannaraj, Children's Hospital Los Angeles

Prospective Study of School-based Influenza Vaccination's Impact on School Populations

Rates of confirmed influenza illness in vaccinated and non-vaccinated children will be compared between schools with and without vaccination programs. The investigators hypothesize that in addition to lowering rates of influenza in vaccinated children, raising vaccination rates by 30-40% through school-based vaccination programs will decrease incidence of influenza in non-vaccinated children attending those schools compared to non-vaccinated children in schools with low vaccination rates.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

This prospective cohort study will evaluate rates of virologically confirmed influenza in children attending schools with and without school-based vaccination programs. Eight schools (4455 students) in two school districts matched for size, race/ethnicity, socioeconomic status, and location will serve as intervention and control schools. During influenza season defined by local surveillance data, nasal/throat swabs will be obtained for rapid influenza detection assays from all children with fever and respiratory symptoms identified by teachers for evaluation in the school nurse's office. Absent children will be offered testing at a central location within the schools' communities.Rates of confirmed influenza illness in vaccinated and non-vaccinated children will be compared between schools with and without vaccination programs. Rates of absenteeism also will be evaluated. The investigators hypothesize that in addition to lowering rates of influenza in vaccinated children, raising vaccination rates by 30-40% through school-based vaccination programs will decrease incidence of influenza in non-vaccinated children attending those schools compared to non-vaccinated children in schools with low vaccination rates.

Study Type

Interventional

Enrollment (Actual)

4455

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • California
      • Los Angeles, California, United States, 90027
        • Childrens Hospital Los Angeles
      • Los Angeles, California, United States, 90012
        • Los Angeles County Department of Public Health

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

4 years to 18 years (Child, Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Children enrolled in target schools

Exclusion Criteria: none

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Prevention
  • Allocation: Non-Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Single

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
No Intervention: No Intervention
No school-based influenza vaccination program
Active Comparator: Intervention
School-based Influenza Vaccination Program
Biological: School-based influenza vaccination program
School-based influenza vaccination program

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Rates of Confirmed Influenza Illness in Vaccinated and Non-vaccinated Children Attending Schools With and Without School-based Influenza Vaccination Programs
Time Frame: 1 year
1 year

Secondary Outcome Measures

Outcome Measure
Time Frame
Rates of Absenteeism Among Children Attending Schools With and Without School-based Influenza Vaccination Programs
Time Frame: 1 year
1 year

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Children's Hospital Los Angeles

Collaborators

Los Angeles County Department of Public Health

Investigators

  • Principal Investigator: Pia S Pannaraj, MD, MPH, Childrens Hospital Los Angeles, University of Southern California

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

January 1, 2009

Primary Completion (Actual)

June 1, 2011

Study Completion (Actual)

June 1, 2011

Study Registration Dates

First Submitted

February 12, 2009

First Submitted That Met QC Criteria

February 12, 2009

First Posted (Estimate)

February 13, 2009

Study Record Updates

Last Update Posted (Estimate)

September 12, 2016

Last Update Submitted That Met QC Criteria

August 1, 2016

Last Verified

August 1, 2016

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • CHLA-08-00229

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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