Effects of Pneumococcal Vaccine on Nasopharyngeal Carriage

March 29, 2017 updated by: Arto Palmu

Effects of Pneumococcal Vaccine on Nasopharyngeal Carriage: a FinIP Effectiveness Trial Satellite Study During PCV National Vaccination Programme

The purpose of this study is to assess the direct effects of the ten-valent pneumococcal conjugate vaccine administered to infants on nasopharyngeal carriage at 3 to 5 years of age.

These children have been vaccinated in infancy in the cluster-randomized Finnish Invasive pneumococcal Disease (FinIP) Trial (a separate protocol reported at ClinicalTrials.gov Identifier:NCT00861380) during 2009 to 2011.

Also the indirect effect on nasopharyngeal carriage will be assessed on vaccinees' elder non-vaccinated siblings aged 5 to 9 years.

Study Overview

Detailed Description

This study includes a cross-sectional sampling of nasopharyngeal and oropharyngeal swabs in 2013 from vaccinated and unvaccinated children.

Study Type

Observational

Enrollment (Actual)

3900

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

      • Tampere, Finland, 33520
        • National Institute for Health and Welfare

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

3 years to 9 years (Child)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

Children vaccinated in infancy in the cluster-randomized Finnish Invasive pneumococcal Disease (FinIP) Trial (ClinicalTrials.gov Identifier:NCT00861380) during 2009 to 2011 and their unvaccinated older siblings.

Description

Inclusion Criteria for FinIP-vaccinated children:

  1. age 3 to 5 years
  2. enrolled in the FinIP trial and has received at least one dose of study vaccine in the infant vaccine schedule (3+1 or 2+1)
  3. at least one parent with fluent Finnish
  4. informed consent from one parent

Exclusion criteria for FinIP-vaccinated children

  1. PCV vaccination administered, other than the randomized study vaccine
  2. history of antimicrobial treatment within 4 weeks (the child can be enrolled later)

Inclusion criteria for unvaccinated siblings

  1. age 5 to 9 years
  2. younger sibling living in the same household having participated in the FinIP trial (regardless of the vaccination schedule)
  3. at least one parent with fluent Finnish
  4. informed consent from one parent

Exclusion criteria for unvaccinated siblings

  1. PCV vaccination administered
  2. history of antimicrobial treatment within 4 weeks (the child can be enrolled later)

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

Cohorts and Interventions

Group / Cohort
PCV-vaccinated infant, 3+1 schedule
PCV-vaccinated infant, 2+1 schedule
Control-vaccinated infant
PCV-vaccinated child, catch-up schedule
Control-vaccinated child, catch-up schedule

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Carriage due to any pneumococcal serotype included in the ten-valent pneumococcal conjugate vaccine (PCV10) in children vaccinated in infancy
Time Frame: one sampling at 3 to 5 years of age
Nasopharyngeal and oropharyngeal swabs taken once at 3 to 5 years of age
one sampling at 3 to 5 years of age

Secondary Outcome Measures

Outcome Measure
Time Frame
Carriage due to any pneumococcal serotype in children vaccinated in infancy
Time Frame: one sampling at 3 to 5 years of age
one sampling at 3 to 5 years of age

Other Outcome Measures

Outcome Measure
Time Frame
Carriage due to any pneumococcal serotype included in the PCV vaccine in unvaccinated older siblings of the PCV10-vaccinated children
Time Frame: one sampling at 5 to 9 years of age
one sampling at 5 to 9 years of age

Collaborators and Investigators

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

Sponsor

Collaborators

Investigators

  • Principal Investigator: Arto A Palmu, MD, PhD, Finnish Institute for Health and Welfare

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

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

August 1, 2013

Primary Completion (Actual)

December 1, 2016

Study Completion (Actual)

December 1, 2016

Study Registration Dates

First Submitted

August 15, 2013

First Submitted That Met QC Criteria

August 15, 2013

First Posted (Estimate)

August 19, 2013

Study Record Updates

Last Update Posted (Actual)

March 30, 2017

Last Update Submitted That Met QC Criteria

March 29, 2017

Last Verified

March 1, 2017

More Information

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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