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Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Clinical Trial of CSL's 2009 H1N1 Influenza Vaccine (CSL425) in a Healthy Pediatric Population in the USA

ClinicalTrials.gov ID: NCT00958243

Public ClinicalTrials.gov record NCT00958243. 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.

ClinicalTrials.gov public records Last synced Oct 20, 2026, 5:33 AM EDT

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, Multicenter, Randomized, Observer-Blind, Placebo-Controlled Study to Evaluate the Immunogenicity, Safety and Tolerability of CSL's 2009 H1N1 Influenza Vaccine (CSL425) in a Healthy Pediatric Population

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The purpose of this study is to evaluate the immunogenicity and safety profile of CSL425 (CSL's 2009 H1N1 influenza vaccine) in a healthy pediatric population.

Study identification

NCT ID
NCT00958243
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Seqirus
Industry
Enrollment
473 participants

Conditions and interventions

Conditions

Interventions

Biological

Eligibility (public fields only)

Age range
6 Months to 9 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
Aug 2009 (Type not available)
Primary completion
Nov 2009 (Actual)
Completion
Apr 2010 (Actual)
Last update posted
May 23, 2018

2009 – 2010

United States locations

U.S. sites
13
U.S. states
9
U.S. cities
13
Facility City State ZIP Site status
Not listed Chandler Arizona 85224 —
Not listed Melbourne Florida 32935 —
Not listed Bardstown Kentucky 40004 —
Not listed Metairie Louisiana 70006 —
Not listed Omaha Nebraska 68134 —
Not listed Austintown Ohio 44515 —
Not listed Cincinnati Ohio 45246 —
Not listed Latrobe Pennsylvania 15650 —
Not listed Pittsburgh Pennsylvania 15227 —
Not listed Austin Texas 78705 —
Not listed Fort Worth Texas 76135 —
Not listed Houston Texas 77030 —
Not listed Murray Utah 84107 —

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 NCT00958243, 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 May 23, 2018 · Synced Oct 20, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT00958243 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →