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NCT00242424 · ClinicalTrials.gov registry record · Phase 2

Safety and Immunogenicity of Inactivated Influenza Virus Vaccine Among Healthy Children 6-12 Weeks of Age

A Phase 2 study of Inactivated Influenza Vaccine, sponsored by Seattle Children's Hospital.

Completed
Registry status
Phase 2
Development phase
1,375
Enrollment target
1
Study location

NCT00242424: Completed Phase 2 study of Inactivated Influenza Vaccine, sponsored by Seattle Children's Hospital.

NCT00242424 is a Phase 2 study of Inactivated Influenza Vaccine that has completed, run by Seattle Children's Hospital. The registered enrollment target is 1,375 participants, above the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (934% higher). The trial reports 1 study location across 1 state. According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00242424, a Phase 2 study of Inactivated Influenza Vaccine, has completed, sponsored by Seattle Children's Hospital.

COMPLETED
Registry status
Phase 2
Development phase
1,375 participants
Enrollment target
1
Study location

Study Summary

Study of the safety and immunogenicity (antibody producing capability) comparing inactivated influenza vaccine to placebo given to infants at 2 and 3 months of age. Infants will receive inactivated influenza vaccine at the same time as other vaccines on the routine immunization schedule. Infants will be randomized at enrollment to receive inactivated influenza vaccine or placebo at a 2:1 ratio. This study is double-blind, randomized, and placebo-controlled.

Interventions

  • BIOLOGICAL 2005-2006 trivalent inactivated influenza vaccine

Study Locations (1)

Washington

  • Seattle Children's Hospital and Regional Medical Center - Seattle

Trial Details

FieldValue
Enrollment Target 1,375 participants
Start Date 2005-09
Est. Completion 2007-09
Phase Phase 2
Seattle Children's Hospital

168 total trials

What the finished NCT00242424 record still lists

NCT00242424 is an interventional study that assigns participants to a tested intervention. Its 1,375 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 (934% higher).

The record links to 1 condition, with Inactivated Influenza Vaccine appearing as the primary indexed condition, and to 1 intervention - of which 2005-2006 trivalent inactivated influenza vaccine is the first listed.

NCT00242424 reports a single indexed study location in Washington.

Frequently Asked Questions

What is clinical trial NCT00242424 about?

NCT00242424 is a clinical study titled "Safety and Immunogenicity of Inactivated Influenza Virus Vaccine Among Healthy Children 6-12 Weeks of Age". Study of the safety and immunogenicity (antibody producing capability) comparing inactivated influenza vaccine to placebo given to infants at 2 and 3 months of age. Infants will receive inactivated influenza vaccine at the same time as other vaccines on the routine immunization schedule. Infants wil...

What is the current status of trial NCT00242424?

This trial is currently completed. It is a Phase 2 study. The enrollment target is 1,375 participants. The study started on 2005-09. Estimated completion is 2007-09.

What conditions does trial NCT00242424 study?

This clinical trial studies the following conditions: Inactivated Influenza Vaccine.

What interventions are being tested in trial NCT00242424?

The interventions under investigation include: 2005-2006 trivalent inactivated influenza vaccine (BIOLOGICAL).

Who is sponsoring clinical trial NCT00242424?

This trial is sponsored by Seattle Children's Hospital, which has 168 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT00242424 being conducted?

This trial has 1 study location across Washington. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

How this trial's enrollment target compares

Where NCT00242424's enrollment target sits among peer trials

1,375 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 NCT00242424, the US trial registry maintained by the National Library of Medicine. NCT00242424 (large enrollment · single site footprint · completed) retrieved and formatted by PlainTrial, see methodology.