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Phase 3 N=1,866 Randomized Quadruple-blind Prevention

Study Evaluating the Impact of a 13-valent Pneumococcal Conjugate Vaccine on Nasopharyngeal Colonization

Pneumococcal Infections

Enrolled (actual)
1,866
Serious AEs
6.0%
Results posted
Jul 2012
Primary outcome: Primary: Percentage of Participants With a New Acquisition of Serotype 6A' (6A + 6C) or 19A Combined 1 Month After the Infant Series to 24 Months of Age — 20.0; 36.0 percentage of participants

Study Design & Population

Study type
Interventional
Phase
Phase 3
Interventions
13-valent Pneumococcal Conjugate Vaccine (Biological); 7 valent pneumococcal conjugate vaccine (Biological)
Age
Pediatric · 0+ yrs
Sex
All
Sponsor
Pfizer
Primary completion
Aug 2011

Outcome Measures

OutcomeResultp-value
PRIMARY
Percentage of Participants With a New Acquisition of Serotype 6A' (6A + 6C) or 19A Combined 1 Month After the Infant Series to 24 Months of Age
20.0; 36.0
SECONDARY
Percentage of Participants With Nasopharyngeal Cultures Testing Positive for 6A' (6A + 6C) or 19A Serotypes of Streptococcus Pneumoniae (S. Pneumoniae) at 7, 12, 13, 18 and 24 Months of Age
7.3; 10.9; 8.1; 13.7; 5.4; 13.6

Summary

This study is designed to assess the impact of 13-valent Pneumococcal Conjugate Vaccine (13vPnC) on nasopharyngeal colonization with Streptococcus pneumoniae in healthy infants.

Eligibility Criteria

Inclusion Criteria

  • Healthy infants aged 2 months (42-98 days) at time of enrolment.
  • Available for the entire study period and whose parent/legal guardian can be reached by telephone.

Exclusion Criteria

  • Previous vaccination with licensed or investigational pneumococcal vaccine.
  • A previous anaphylactic reaction to any vaccine or vaccine-related component.
  • Contraindication to vaccination with a pneumococcal conjugate vaccine.
View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT00508742). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.

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