Safety and Reactogenicity of FluBlok and Comparison of Immunogenicity, Efficacy and Effectiveness Against TIV
Public ClinicalTrials.gov record NCT00539864. 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
Evaluation of Safety and Reactogenicity of FluBlok, Trivalent Recombinant Influenza Vaccine, and Comparison of the Immunogenicity, Efficacy and Effectiveness of FluBlok to a Licensed Egg-Grown Influenza Vaccine in Adults Aged 50 to 64
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study was to evaluate and compare the safety, reactogenicity, immunogenicity, relative efficacy and effectiveness of FluBlok to a licensed trivalent influenza vaccine (TIV)in healthy adults age 50-64 years.
Study identification
- NCT ID
- NCT00539864
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 602 participants
Conditions and interventions
Conditions
Interventions
- FluBlok Influenza Vaccination Biological
- TIV (Fluzone) Influenza Vaccination Biological
Biological
Eligibility (public fields only)
- Age range
- 50 Years to 64 Years
- 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, 2007
- Primary completion
- Mar 31, 2008
- Completion
- Mar 31, 2008
- Last update posted
- Jul 26, 2011
2007 – 2008
United States locations
- U.S. sites
- 5
- U.S. states
- 2
- U.S. cities
- 5
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Kaiser Permanente Pediatric Clinic - Fresno | Fresno | California | 93726 | — |
| Kaiser Permanente Pediatric Clinic - Hayward | Hayward | California | 94545 | — |
| Kaiser Permanente Pediatric Clinic - Roseville | Roseville | California | 95661 | — |
| Kaiser Permanente Pediatric Clinic - Sacramento | Sacramento | California | 95823 | — |
| Kaiser Permanente | Honolulu | Hawaii | 96814 | — |
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 NCT00539864, 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 Jul 26, 2011 · Synced Sep 2, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00539864 live on ClinicalTrials.gov.