Immunogenicity, Safety, Reactogenicity, Efficacy, Effectiveness and Lot Consistency of FluBlok
Public ClinicalTrials.gov record NCT00539981. 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 the Immunogenicity, Safety, Reactogenicity, Efficacy, Effectiveness and Lot Consistency of FluBlok® Trivalent Recombinant Baculovirus-Expressed Hemagglutinin Influenza Vaccine in Healthy Adults Aged 18 to 49 Years
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study was to evaluate a single dose of FluBlok in terms of safety, efficacy and effectiveness in prevention of influenza and influenza-like illness and assess clinical lot-to-lot consistency in manufacturing by evaluating and comparing the immunogenicity of three different lots of FluBlok in a subset of participants.
Study identification
- NCT ID
- NCT00539981
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 4,648 participants
Conditions and interventions
Eligibility (public fields only)
- Age range
- 18 Years to 49 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
- Sep 15, 2007 (Actual)
- Primary completion
- May 28, 2008 (Actual)
- Completion
- May 28, 2008 (Actual)
- Last update posted
- Apr 6, 2022
2007 – 2008
United States locations
- U.S. sites
- 24
- U.S. states
- 17
- U.S. cities
- 23
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Impact Clinical Trials | Beverly Hills | California | 90211 | — |
| Benchmark Research - Sacramento | Sacramento | California | 95816 | — |
| Benchmark Research - San Francisco | San Francisco | California | 94102 | — |
| University Clinical Research, Inc | Pembroke Pines | Florida | 33024 | — |
| Vince and Associates | Overland Park | Kansas | 66212 | — |
| Kentucky pediatric /Adult Research | Bardstown | Kentucky | 40004 | — |
| Benchmarch Research - New Orleans | Metairie | Louisiana | 70006 | — |
| University of Maryland - Baltimore | Baltimore | Maryland | 21201 | — |
| Saint Louis University | St Louis | Missouri | 63110 | — |
| Meridian Clinical Research | Omaha | Nebraska | 68134 | — |
| Regional Clinical Research, Inc. | Endwell | New York | 13760 | — |
| Rochester Medical Center | Rochester | New York | 14642 | — |
| Carolina Medical Trials | Winston-Salem | North Carolina | 27103 | — |
| Sterling Research | Cincinnati | Ohio | 45246 | — |
| Primary Physicians Research - Pediatric Alliance St. Clair | Pittsburgh | Pennsylvania | 15241 | — |
| Primary Physicians Research | Pittsburgh | Pennsylvania | 15241 | — |
| Vanderbilt University Medical Center | Nashville | Tennessee | 37232 | — |
| Benchmarch Research - Austin | Austin | Texas | 78705 | — |
| Benchmark Research - Fort Worth | Fort Worth | Texas | 76135 | — |
| Baylor College of Medicine | Houston | Texas | 77030 | — |
| Benchmark Research - San Angelo | San Angelo | Texas | 76904 | — |
| Jean Brown Research | Salt Lake City | Utah | 84124 | — |
| University of Virginia Health System | Charlottesville | Virginia | 22908 | — |
| Marshfield Clinic | 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 NCT00539981, 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 6, 2022 · Synced Oct 17, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT00539981 live on ClinicalTrials.gov.