At a glance
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A Randomized, Double-blind, Placebo-Controlled Study to Evaluate the Safety of 3 New 6:2 Influenza Virus Reassortants in Adults
In Brief
A Phase 4 clinical trial evaluating Trivalent Influenza Virus Vaccine and Placebo for Influenza. Completed, enrolled 303 participants across 3 sites.
Detailed Summary
This prospective annual release study was designed to assess the safety of a trivalent influenza virus vaccine using two new strains recommended for the 2012-2013 influenza season not previously contained in the trivalent intranasal FluMist vaccine. Three hundred healthy adults will receive a single dose of vaccine or placebo and will be followed for 180 days after study vaccination.
Study Details
Timeline
Interventions
Trivalent vaccine is supplied in intranasal sprayers containing a total volume of 0.5 mL of sucrose phosphate buffer, egg allantoic fluid and approximately 10\^7 FFU (fluorescent focus units) of each of 3 cold-adapted, attenuated 6:2 reassortant influenza strains: A/H1N1 (A/California/7/2009), A/H3N2 (A/Victoria/361/2011), B (B Wisconsin/1/2010). A single dose of investigational product was administered on Day 1.
Placebo is suppllied in intranasal sprayers containing 0.5 mL of sucrose-phosphate buffer. A single dose of investigational product was administered on Day 1.