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

> **NCT00958243** · PHASE2 · COMPLETED · sponsor: **Seqirus** · enrollment: 473 (actual)

## Conditions studied

- Influenza

## Interventions

- **BIOLOGICAL:** CSL's 2009 H1N1 Influenza Vaccine (CSL425)
- **BIOLOGICAL:** CSL's 2009 H1N1 Influenza Vaccine (CSL425)
- **BIOLOGICAL:** Placebo

## Key facts

- **NCT ID:** NCT00958243
- **Lead sponsor:** Seqirus
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2009-08
- **Primary completion:** 2009-11
- **Final completion:** 2010-04
- **Target enrollment:** 473 (ACTUAL)
- **Last updated:** 2018-05-23


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00958243

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00958243, "A Clinical Trial of CSL's 2009 H1N1 Influenza Vaccine (CSL425) in a Healthy Pediatric Population in the USA". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT00958243. Licensed CC0.

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