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Clinical trialNCT02079701CompletedPhase 4Interventional

Effectiveness of the Pneumococcal Polysaccharide Vaccine in Military Recruits

SponsorNaval Health Research CenterEnrollment152,723Acute Respiratory DiseasePneumonia
View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

The primary objective is to determine the clinical benefit of employing the 23-valent pneumococcal vaccine among US military trainees. Secondary objectives include: * determining the etiology of clinical pneumonia among U.S. military trainees; * comparing the serotype distribution of S. pneumoniae (Sp) isolates recovered from vaccinated and nonvaccinated trainees diagnosed with pneumonia; and * comparing days lost from training due to pneumonia or acute respiratory disease for vaccinated and nonvaccinated subjects.
clinicaltrials.gov ↗

Investigators

The overall officials registered on this study. Names that resolve to a FindMyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

5 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States
  • Marine Recruit Training Center

    San Diego, California, United States

  • Naval Recruit Training Center

    Great Lakes, Illinois, United States

  • Army Recruit Training Center

    Fort Leonard Wood, Missouri, United States

  • Army Recruit Training Center

    Fort Jackson, South Carolina, United States

  • Marine Recruit Training Center

    Parris Island, South Carolina, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

The drug and biological interventions registered on this study, normalized to their RxNorm ingredient where possible.

23-valent pneumococcal vaccinePlacebo
Linked drugs open the directory filtered to KOLs working with them.clinicaltrials.gov ↗

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
31 Oct 2000
Primary completion
30 Jun 2003
Completion
30 Jun 2007
Last update posted
6 Mar 2014
Registered enrollment
152,723
Registry id
NCT02079701
clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 4 Nov 2026. Registry facts are shown as registered by the study sponsor; FindMyKOL does not interpret them.