Trivalent rHA Dose Escalation Study in Elderly Subjects
Public ClinicalTrials.gov record NCT00170443. 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
A Phase II Evaluation of the Reactogenicity and Immunogenicity of Different Doses of Intramuscular Trivalent Baculovirus-expressed Influenza HA Vaccine in Healthy Elderly Adults
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This study will compare the safety and immunogenicity of three different dose levels of an experimental recombinant influenza HA protein vaccine to a standard inactivated influenza vaccine in heallthy elderly subjects ages 65-80. Blood and nasal secretions for assessment of antibody responses will be obtained from all subjects prior to and one month after vaccination.
Study identification
- NCT ID
- NCT00170443
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Enrollment
- 399 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 65 Years to 80 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
- Not listed
- Primary completion
- Not listed
- Completion
- May 31, 2004
- Last update posted
- Aug 11, 2011
Ends 2004
United States locations
- U.S. sites
- 3
- U.S. states
- 3
- U.S. cities
- 3
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Rochester | Rochester | New York | 14642 | — |
| Cincinnati Children's Hospital Medical Center | Cincinnati | Ohio | 45229 | — |
| Baylor College of Medicine | Houston | Texas | 77030 | — |
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 NCT00170443, 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 Aug 11, 2011 · Synced Sep 25, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00170443 live on ClinicalTrials.gov.