Study Evaluating the Nasopharyngeal Carriage in Healthy Children (Carriage)

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT00768833
Recruitment Status : Completed
First Posted : October 8, 2008
Last Update Posted : August 21, 2014
Information provided by (Responsible Party):

Brief Summary:
The purpose of this study is to assess the prevalence of pneumococcal stereotypes in the nasopharynx of healthy children and to describe the changes of nasopharyngeal carriage at different ages over time.

Condition or disease
Healthy Subjects

Study Type : Observational
Actual Enrollment : 242 participants
Observational Model: Cohort
Time Perspective: Prospective
Official Title: Nasopharyngeal Carriage in Children After Introduction of General Pneumococcal Immunization in Germany
Study Start Date : October 2008
Actual Primary Completion Date : August 2014
Actual Study Completion Date : August 2014

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Pneumonia

Primary Outcome Measures :
  1. Number and frequency of S. pneumonia positive serotypes [ Time Frame: 57 months ]

Secondary Outcome Measures :
  1. Changes in number and frequency of S. pneumonia positive children at different ages over time [ Time Frame: 57 month ]

Information from the National Library of Medicine

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Ages Eligible for Study:   3 Months to 4 Months   (Child)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes
Sampling Method:   Non-Probability Sample
Study Population
community sample

Inclusion Criteria:

Main inclusion criteria:

  • Age at enrolment 3 to 4 month Main

Exclusion Criteria:

  • Malformation or injury of the nasopharynx
  • Known or suspected immunodeficiency
  • Relevant immunosuppression
  • Use of antibiotics up to 10 days prior to study inclusion

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT00768833

Pfizer Investigational Site
Offenbach, Germany, 63069
Sponsors and Collaborators
Study Director: Pfizer Call Center Pfizer

Additional Information:
Responsible Party: Pfizer Identifier: NCT00768833     History of Changes
Other Study ID Numbers: 0887X1-4453
First Posted: October 8, 2008    Key Record Dates
Last Update Posted: August 21, 2014
Last Verified: August 2014

Keywords provided by Pfizer:
S.pneumoniae healthy subjects
Healthy subjects