A Clinical Trial of CSL's 2009 H1N1 Influenza Vaccine (CSL425) in a Healthy Pediatric Population in the USA
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.
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
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
- CSL's 2009 H1N1 Influenza Vaccine (CSL425) Biological
- Placebo Biological
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
- Jul 31, 2009
- Primary completion
- Oct 31, 2009
- Completion
- Mar 31, 2010
- Last update posted
- May 22, 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 22, 2018 · Synced Jun 26, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00958243 live on ClinicalTrials.gov.