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Completed Phase 2 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of Two Doses of H5N1 Influenza Vaccine in Elderly Subjects

ClinicalTrials.gov ID: NCT01766921

Public ClinicalTrials.gov record NCT01766921. 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, 5:39 AM 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 Phase II, Randomized, Observer-Blind, Multi-Center, Study to Evaluate Safety, Tolerability and Immunogenicity of an Adjuvanted Cell Culture-Derived H5N1 Subunit Influenza Virus Vaccine at Two Different Formulations in Healthy Elderly Subjects.

Brief summary

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

Evaluate Safety, Tolerability and Immune response of adjuvanted H5N1 cell culture derived influenza vaccine in elderly subjects

Study identification

NCT ID
NCT01766921
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Novartis Vaccines
Industry
Enrollment
1,393 participants

Conditions and interventions

Interventions

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
Dec 31, 2012
Primary completion
Jun 30, 2013
Completion
Jun 30, 2014
Last update posted
Jan 29, 2019

2013 – 2014

United States locations

U.S. sites
12
U.S. states
7
U.S. cities
10
Facility City State ZIP Site status
1 Tatum Highlands Med Ass PLLC Phoenix Arizona 85253
5 Broward Research Group Pembroke Pines Hollywood Florida 33024
7 Heartland Rsrch Ass LLC Wichita Kansas 67207
9 Heartland Research Associates Wichita Kansas 67207
2 Mercy Health Research St Louis Missouri 63141
3 Saint Louis University St Louis Missouri 63141
6 Regional Clinical Research Endwell, Endwell New York 13760
4 Benchmark Medical Research Austin Texas 78705
12 Tekton Research Georgetown Texas 78745
8 J. Lewis Research Inc. Salt Lake City Utah 84109
10 Foothill Family Clinic South Cottonwood Heights Utah 84121
11 Jordan River Family Medicine South Jordan Utah 84095

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 11 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01766921, 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 Jan 29, 2019 · Synced Sep 2, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01766921 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →