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A Study to Evaluate Safety, Immunogenicity, and Lot-to-Lot Consistency of H5N1 Subunit Influenza Virus Vaccine in Healthy Adult Subjects ≥18 Years of Age

NCT02839330 · Status: COMPLETED · Phase: PHASE3 · Type: INTERVENTIONAL · Enrollment: 3196

Last updated 2024-12-06

Study results available
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Summary

This Phase 3 study evaluates the safety, immunogenicity and lot-to lot consistency of 3 lots of aH5N1c vaccine for pandemic avian influenza, in approximately 2394 healthy adults ≥18 years of age receiving the vaccine and 797 healthy adults receiving placebo. Subjects were randomized in a 3:1 ratio to receive either aH5N1c vaccine or saline placebo. Enrollment was stratified by age: 18 to \<65 years of age and ≥65 years of age, to allow adequate safety assessment of the entire age spectrum.

Conditions

  • Avian Influenza

Interventions

BIOLOGICAL

aH5N1c

Intramuscular (IM) administration, containing 7.5 mcg H5N1 hemagglutinin antigen (HA) + 0.25 mL MF59 (approximately 0.5 mL total volume).

BIOLOGICAL

Placebo

Placebo: Saline injection

Sponsors & Collaborators

Principal Investigators

  • Clinical Program Director · Seqirus

Study Design

Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
DOUBLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2016-07-11
Primary Completion
2017-10-04
Completion
2017-10-04
FDA Drug
Yes

Countries

  • United States

Study Locations

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Entities

Drugs
Companies

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT02839330 on ClinicalTrials.gov