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Completed Phase 4 Interventional Accepts healthy volunteers Results available

Study of Fluzone® Influenza Virus Vaccine 2011-2012 Formulation (Intramuscular Route) Among Adults

ClinicalTrials.gov ID: NCT01430819

Public ClinicalTrials.gov record NCT01430819. 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 2, 2026, 6:35 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

Safety and Immunogenicity Among Adults of Fluzone®, Influenza Virus Vaccine 2011-2012 Formulation (Intramuscular Route)

Brief summary

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

The aim of the study is to evaluate the safety and immunogenicity of the 2011-2012 formulation of Fluzone and Fluzone High-Dose vaccines in participants aged 65 years and older. Objectives: * To describe the safety of Fluzone vaccine and Fluzone High-Dose vaccine among adults ≥ 65 years of age. * To describe the immunogenicity of Fluzone vaccine and Fluzone High-Dose vaccine among adults ≥ 65 years of age.

Study identification

NCT ID
NCT01430819
Recruitment status
Completed
Study type
Interventional
Phase
Phase 4
Enrollment
300 participants

Conditions and interventions

Eligibility (public fields only)

Age range
65 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
Aug 31, 2011
Primary completion
Jan 31, 2012
Completion
Jan 31, 2012
Last update posted
May 26, 2013

2011 – 2012

United States locations

U.S. sites
6
U.S. states
6
U.S. cities
6
Facility City State ZIP Site status
Not listed Colorado Springs Colorado 80920
Not listed Council Buffs Iowa 51503
Not listed Metairie Louisiana 70006
Not listed Springfield Missouri 65804
Not listed Bensalem Pennsylvania 19020
Not listed Austin Texas 78705

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

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01430819, 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 May 26, 2013 · Synced Sep 2, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01430819 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →