Comparison of Full-dose Flu Vaccine to Half-dose Flu Vaccine
Public ClinicalTrials.gov record NCT00283283. 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
Clinical Study to Compare the Immune Response of Half Dose Trivalent Inactivated Influenza Vaccine (TIV) to Full Dose
Study identification
- NCT ID
- NCT00283283
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- U.S. Army Medical Research and Development Command
- Federal
- Enrollment
- 1,316 participants
Conditions and interventions
Conditions
Interventions
- Fluzone® (Aventis Pasteur inactivated influenza vaccine) Biological
Biological
Eligibility (public fields only)
- Age range
- 18 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
- Oct 31, 2004
- Primary completion
- Oct 31, 2004
- Completion
- Apr 30, 2006
- Last update posted
- Feb 11, 2021
2004 – 2006
United States locations
- U.S. sites
- 2
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Pentagon | Washington D.C. | District of Columbia | 20050 | — |
| Walter Reed Army Medical Center | Washington D.C. | District of Columbia | 20307 | — |
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 NCT00283283, 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 Feb 11, 2021 · Synced Jul 24, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00283283 live on ClinicalTrials.gov.