An observational study in Healthy Subjects, sponsored by Pfizer. Completed at 1 site in Germany. Open to participants aged 3 Months to 4 Months, including healthy volunteers. Per ClinicalTrials.gov, last updated 2014-08-21.
Sponsored by Pfizer · Observational
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.
Pfizer is the lead sponsor of 3,331 studies on the registry; 148 are open to participants now.
Of its 600 completed or terminated interventional studies of FDA-regulated products, 391 (65%) have results posted.
Counted across the registry records on this site, refreshed daily.
community sample
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Main inclusion criteria:
Exclusion Criteria:
Number and frequency of S. pneumonia positive serotypes
Time frame: 57 months
Changes in number and frequency of S. pneumonia positive children at different ages over time
Time frame: 57 month
This study is completed, as verified in Aug 2014. You cannot join it, but the record below documents what was studied.
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