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Phase 4 N=84,496 Randomized Quadruple-blind Prevention

Study Evaluating the Effiacy of a 13-Valent Pneumococcal Conjugate Vaccine (13vPnC) in Adults

Pneumonia, Pneumococcal · Pneumococcal Infections · 13-valent Pneumococcal Vaccine

Enrolled (actual)
84,496
Serious AEs
0.9%
Results posted
Oct 2014
Primary outcome: Primary: Number of Participants With First Episode of Confirmed Vaccine-type Community-acquired Pneumonia (VT-CAP) — 49; 90 participants — p=0.0006

Study Design & Population

Study type
Interventional
Phase
Phase 4
Interventions
VACCINE: placebo (Biological); VACCINE: 13-valent pneumococcal conjugate vaccine (Biological)
Age
Older Adult · 65+ yrs
Sex
All
Sponsor
Pfizer
Primary completion
Oct 2013

Outcome Measures

OutcomeResultp-value
PRIMARY
Number of Participants With First Episode of Confirmed Vaccine-type Community-acquired Pneumonia (VT-CAP)
49; 90 0.0006 sig
SECONDARY
Number of Participants With First Episode of Nonbacteremic/Noninvasive (NB/NI) Vaccine-type Community-acquired Pneumonia (VT-CAP)
33; 60 0.0067 sig
SECONDARY
Number of Participants With First Episodes of Vaccine-type Invasive Pneumococcal Disease (VT-IPD) Cases
7; 28 0.0005 sig

Summary

The purpose of this study is to assess the efficacy of 13-valent pneumococcal conjugate vaccine in the prevention of the first episode of vaccine-type pneumococcal community-acquired pneumonia in adults.

Eligibility Criteria

Inclusion Criteria

  • Male or female adults aged 65 years or older on the day of vaccination and able to fulfill study requirements.

Exclusion Criteria

  • Previous vaccination with any licensed or experimental pneumococcal vaccine
  • Residence in a nursing home, long-term care facility, or similar facility
  • Known hypersensitivity to vaccination
  • Immune deficiency or suppression
View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT00744263). 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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