At a glance
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Double-Blind Placebo-Controlled Clinical Effectiveness Trial of the 23-Valent Pneumococcal Vaccine Among Military Trainees At Increased Risk of Respiratory Disease
In Brief
A Phase 4 clinical trial evaluating 23-valent pneumococcal vaccine and Placebo for Pneumonia and Acute Respiratory Disease. Completed, enrolled 152,723 participants across 5 sites.
Detailed Summary
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.
Study Details
Timeline
Interventions
randomization, based upon a random-number (block design) double-blind enrollment sequence. 1:1 ratio.