ClinicalTrials.gov record
Completed Phase 4 Interventional Accepts healthy volunteers Results available

FLUAD® vs. Fluzone® High-Dose Study

ClinicalTrials.gov ID: NCT03183908

Public ClinicalTrials.gov record NCT03183908. 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 May 16, 2026, 3:09 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 of Adjuvanted Versus High-Dose Inactivated Influenza Vaccines in Older Adults

Study identification

NCT ID
NCT03183908
Recruitment status
Completed
Study type
Interventional
Phase
Phase 4
Lead sponsor
Duke University
Other
Enrollment
757 participants

Conditions and interventions

Interventions

  • FLUAD® Biological
  • Fluzone® High-Dose Biological

Biological

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 27, 2017
Primary completion
Feb 13, 2019
Completion
Feb 13, 2019
Last update posted
Mar 29, 2021

2017 – 2019

United States locations

U.S. sites
4
U.S. states
4
U.S. cities
4
Facility City State ZIP Site status
Centers for Disease Control and Prevention Atlanta Georgia 30333
Boston Medical Center Boston Massachusetts 02118
Duke University Durham North Carolina 27705
Cincinnati Children's Hospital Medical Center Cincinnati Ohio 45229

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 NCT03183908, 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 Mar 29, 2021 · Synced May 16, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03183908 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →