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NCT00283283 · ClinicalTrials.gov registry record · Phase 2

Comparison of Full-dose Flu Vaccine to Half-dose Flu Vaccine

A Phase 2 study, sponsored by U.S. Army Medical Research and Development Command.

Completed
Registry status
Phase 2
Development phase
1,316
Enrollment target

NCT00283283: Completed Phase 2 study, sponsored by U.S. Army Medical Research and Development Command.

NCT00283283 is a Phase 2 study that has completed, run by U.S. Army Medical Research and Development Command. The registered enrollment target is 1,316 participants, above the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (889% higher). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00283283, a Phase 2 study, has completed, sponsored by U.S. Army Medical Research and Development Command.

COMPLETED
Registry status
Phase 2
Development phase
1,316 participants
Enrollment target

Study Summary

This study compared full-dose Flu vaccine to half-dose Flu-vaccine during the 2004-2005 flu season.

Primary Outcome

Immune response as measured by viral strain specific hemaggluttination inhibition (HAI) antibody levels for subjects ages 18-49

Interventions

  • BIOLOGICAL Fluzone® (Aventis Pasteur inactivated influenza vaccine)

Trial Details

FieldValue
Enrollment Target 1,316 participants
Start Date 2004-11
Est. Completion 2006-05
Phase Phase 2

What the finished NCT00283283 record still lists

NCT00283283 is an interventional study that assigns participants to a tested intervention. Its 1,316 participants enrollment target places it among the larger protocols in the corpus, above the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (889% higher).

The record links to 0 conditions, and to 1 intervention - of which Fluzone® (Aventis Pasteur inactivated influenza vaccine) is the first listed.

NCT00283283 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00283283 about?

NCT00283283 is a clinical study titled "Comparison of Full-dose Flu Vaccine to Half-dose Flu Vaccine". This study compared full-dose Flu vaccine to half-dose Flu-vaccine during the 2004-2005 flu season.

What is the current status of trial NCT00283283?

This trial is currently completed. It is a Phase 2 study. The enrollment target is 1,316 participants. The study started on 2004-11. Estimated completion is 2006-05.

What interventions are being tested in trial NCT00283283?

The interventions under investigation include: Fluzone® (Aventis Pasteur inactivated influenza vaccine) (BIOLOGICAL).

Who is sponsoring clinical trial NCT00283283?

This trial is sponsored by U.S. Army Medical Research and Development Command, which has 77 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT00283283's enrollment target sits among peer trials

1,316 13th of 2000 higher than 1,988 of 2,000 other Phase 2 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 2 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT00283283, the US trial registry maintained by the National Library of Medicine. NCT00283283 (large enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.