Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Completed Phase 4 Interventional Accepts healthy volunteers Results available

A Study of Fluzone® High-Dose Vaccine Compared With Fluzone® Vaccine In Elderly Adults

ClinicalTrials.gov ID: NCT01427309

Public ClinicalTrials.gov record NCT01427309. 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 12, 2026, 7:20 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

Efficacy Study of Fluzone® High-Dose Vaccine Compared With Fluzone® Vaccine In Elderly Adults

Study identification

NCT ID
NCT01427309
Recruitment status
Completed
Study type
Interventional
Phase
Phase 4
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Enrollment
31,989 participants

Conditions and interventions

Conditions

Interventions

  • High Dose Trivalent Inactivated Influenza Vaccine Biological
  • Trivalent Inactivated Influenza Vaccine 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 31, 2011
Primary completion
Apr 30, 2013
Completion
Oct 31, 2013
Last update posted
Apr 19, 2015

2011 – 2013

United States locations

U.S. sites
105
U.S. states
35
U.S. cities
91
Facility City State ZIP Site status
Not listed Mobile Alabama 36608
Not listed Chandler Arizona 85224
Not listed Glendale Arizona 85306
Not listed Glendale Arizona 85308
Not listed Mesa Arizona 85203
Not listed Mesa Arizona 85213
Not listed Phoenix Arizona 85020
Not listed Phoenix Arizona 85028
Not listed Phoenix Arizona 85050
Not listed Scottsdale Arizona 85251
Not listed Tempe Arizona 85283
Not listed Harrisburg Arkansas 72432
Not listed Anaheim California 92801
Not listed La Mesa California 91942
Not listed Oceanside California 92056
Not listed Redding California 96001
Not listed San Diego California 92103
Not listed Santa Rosa California 95405
Not listed Aurora Colorado 80045
Not listed Colorado Springs Colorado 80907
Not listed Colorado Springs Colorado 80922
Not listed Milford Connecticut 01757
Not listed Milford Connecticut 06460
Not listed Brooksville Florida 34601
Not listed Clearwater Florida 33756
Not listed Clearwater Florida 33761
Not listed Coral Gables Florida 33134
Not listed Crystal River Florida 34429
Not listed DeLand Florida 32720
Not listed Jacksonville Florida 32216
Not listed Melbourne Florida 32935
Not listed Pembroke Pine Florida 33026
Not listed Pinellas Park Florida 33781
Not listed Sarasota Florida 34231
Not listed Stockbridge Georgia 30281
Not listed Boise Idaho 83642
Not listed Chicago Illinois 60654
Not listed Peoria Illinois 61602
Not listed Mishawaka Indiana 46545
Not listed Lenexa Kansas 66219
Not listed Newton Kansas 67114
Not listed Overland Park Kansas 66212
Not listed Prairie Village Kansas 66206
Not listed Wichita Kansas 67205
Not listed Wichita Kansas 67207
Not listed Bardstown Kentucky 40004
Not listed Lexington Kentucky 40504
Not listed Columbia Maryland 21045
Not listed Elkridge Maryland 21075
Not listed Rockville Maryland 20850
Not listed Brockton Massachusetts 02301
Not listed Haverhill Massachusetts 01830
Not listed Edina Minnesota 55435
Not listed Kansas City Missouri 64114
Not listed St Louis Missouri 63141
Not listed Missoula Montana 59808
Not listed Bellevue Nebraska 68005
Not listed Omaha Nebraska 68114
Not listed Las Vega Nevada 89104
Not listed Newington New Hampshire 03801
Not listed Edison New Jersey 08817
Not listed Albuquerque New Mexico 87018
Not listed Binghamton New York 13901
Not listed Endwell New York 13760
Not listed Rochester New York 14609
Not listed Rochester New York 14642
Not listed Cary North Carolina 27518
Not listed Charlotte North Carolina 28209
Not listed Hickory North Carolina 28602
Not listed Raleigh North Carolina 27609
Not listed Raleigh North Carolina 27612
Not listed Salisbury North Carolina 28144
Not listed Wilmington North Carolina 28401
Not listed Winston-Salem North Carolina 27103
Not listed Fargo North Dakota 58104
Not listed Idaho Falls North Dakota 83404
Not listed Akron Ohio 44311
Not listed Cincinnati Ohio 45227
Not listed Cincinnati Ohio 45259
Not listed Cleveland Ohio 44122
Not listed Columbus Ohio 43213
Not listed Norman Oklahoma 73069
Not listed Erie Pennsylvania 16506
Not listed Pittsburgh Pennsylvania 15241
Not listed Scranton Pennsylvania 18510
Not listed Warwick Rhode Island 02886
Not listed Anderson South Carolina 29621
Not listed Clinton South Carolina 29325
Not listed Greer South Carolina 29650
Not listed Mt. Pleasant South Carolina 29464
Not listed Spartanburg South Carolina 29303
Not listed Bristol Tennessee 37620
Not listed Nashville Tennessee 37203
Not listed Nashville Tennessee 37212
Not listed Fort Worth Texas 76107
Not listed San Antonio Texas 78229
Not listed Tomball Texas 77375
Not listed Salt Lake City Utah 84109
Not listed Salt Lake City Utah 84121
Not listed Salt Lake City Utah 84124
Not listed South Jordan Utah 84095
Not listed West Jordan Utah 84088
Not listed Norfolk Virginia 23507
Not listed Williamsburg Virginia 23185
Not listed Winchester Virginia 22601

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 8 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01427309, 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 Apr 19, 2015 · Synced May 12, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01427309 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →