Influenza Vaccine Revaccination in Ambulatory Elderly Subjects
Public ClinicalTrials.gov record NCT00775450. 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.
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 Revaccination With Influenza Vaccine in Ambulatory Elderly Subjects Previously Vaccinated With Fluzone ID, Fluzone HD, and Fluzone® IM
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This is a multi-center study designed to evaluate the safety and immunogenicity of a Fluzone revaccination in elderly adults aged ≥ 65 years. Primary Objective: To describe the safety profile for all subjects. Secondary Objective: To describe immunogenicity 28 days following revaccination with one of three Fluzone formulations.
Study identification
- NCT ID
- NCT00775450
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Enrollment
- 807 participants
Conditions and interventions
Conditions
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
- Oct 2008 (Type not available)
- Primary completion
- Jun 2009 (Actual)
- Completion
- Jul 2009 (Actual)
- Last update posted
- Dec 31, 2013
2008 – 2009
United States locations
- U.S. sites
- 28
- U.S. states
- 16
- U.S. cities
- 27
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Not listed | Hoover | Alabama | 35216 | — |
| Not listed | Mobile | Alabama | 36608 | — |
| Not listed | Chandler | Arizona | 85224 | — |
| Not listed | Mesa | Arizona | 85213 | — |
| Not listed | Phoenix | Arizona | 85014 | — |
| Not listed | Tucson | Arizona | 85710 | — |
| Not listed | Fountain Valley | California | 92708 | — |
| Not listed | San Diego | California | 92103 | — |
| Not listed | Milford | Connecticut | 06460 | — |
| Not listed | Pembroke Pines | Florida | 33024 | — |
| Not listed | Pinellas Park | Florida | 33781 | — |
| Not listed | Chicago | Illinois | 60610 | — |
| Not listed | Wichita | Kansas | 67207 | — |
| Not listed | Kansas City | Missouri | 64114 | — |
| Not listed | Springfield | Missouri | 65802 | — |
| Not listed | St Louis | Missouri | 63110 | — |
| Not listed | Cary | North Carolina | 27518 | — |
| Not listed | Raleigh | North Carolina | 27609 | — |
| Not listed | Cincinnati | Ohio | 45249 | — |
| Not listed | Bensalem | Pennsylvania | 19020 | — |
| Not listed | Warwick | Rhode Island | 02886 | — |
| Not listed | Mt. Pleasant | South Carolina | 29464 | — |
| Not listed | Fort Worth | Texas | 76107 | — |
| Not listed | Galveston | Texas | 77555 | — |
| Not listed | Salt Lake City | Utah | 84109 | — |
| Not listed | Salt Lake City | Utah | 84121 | — |
| Not listed | West Jordan | Utah | 84088 | — |
| Not listed | Marshfield | Wisconsin | 54449 | — |
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 NCT00775450, 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 Dec 31, 2013 · Synced Oct 28, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT00775450 live on ClinicalTrials.gov.