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Completed Phase 3 Interventional Accepts healthy volunteers Results available

Immunogenicity & Safety of GSK's Influenza Vaccine 1557484A Given to Adults Aged ≥18 Years

ClinicalTrials.gov ID: NCT00616928

Public ClinicalTrials.gov record NCT00616928. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 10, 2026, 3:14 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Trial to Evaluate the Safety and Immunogenicity of an Investigational Vaccination Regimen in Adults Aged ≥18 Years

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The purpose of this Phase 3, observer-blind, placebo-controlled, multi-center study is to characterize the immunogenicity \& safety of the investigation vaccination regimen of GSK 1557484A vaccine given to adults aged ≥18 years.

Study identification

NCT ID
NCT00616928
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
GlaxoSmithKline
Industry
Enrollment
4,561 participants

Conditions and interventions

Conditions

Interventions

Biological

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Accepts healthy volunteers

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jan 22, 2008
Primary completion
Oct 14, 2008
Completion
Mar 18, 2009
Last update posted
Jun 7, 2018

2008 – 2009

United States locations

U.S. sites
30
U.S. states
21
U.S. cities
30
Facility City State ZIP Site status
GSK Investigational Site Huntsville Alabama 35802
GSK Investigational Site Phoenix Arizona 85020
GSK Investigational Site Anaheim California 92801
GSK Investigational Site Jacksonville Florida 32216
GSK Investigational Site Melbourne Florida 32935
GSK Investigational Site Miami Florida 33143
GSK Investigational Site Pembroke Pines Florida 33024
GSK Investigational Site Stockbridge Georgia 30281
GSK Investigational Site Chicago Illinois 60610
GSK Investigational Site Peoria Illinois 61602
GSK Investigational Site South Bend Indiana 46601
GSK Investigational Site Lenexa Kansas 66219
GSK Investigational Site Wichita Kansas 67207
GSK Investigational Site Metairie Louisiana 70006
GSK Investigational Site Rockville Maryland 20850
GSK Investigational Site St Louis Missouri 63141
GSK Investigational Site Missoula Montana 59801
GSK Investigational Site Las Vegas Nevada 89104
GSK Investigational Site Edison New Jersey 08817
GSK Investigational Site Poughkeepsie New York 12601
GSK Investigational Site Rochester New York 14609
GSK Investigational Site Raleigh North Carolina 27612
GSK Investigational Site Cleveland Ohio 44122
GSK Investigational Site Erie Pennsylvania 16506
GSK Investigational Site Pittsburgh Pennsylvania 15236
GSK Investigational Site Spartanburg South Carolina 29303
GSK Investigational Site Nashville Tennessee 37203
GSK Investigational Site Austin Texas 78705
GSK Investigational Site Fort Worth Texas 76135
GSK Investigational Site San Angelo Texas 76904

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 10 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00616928, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jun 7, 2018 · Synced Sep 10, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00616928 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →