# Study of Inactivated, Split-Virion Influenza Vaccine Compared With the Reference Vaccine Vaxigrip® in the Elderly

> **NCT00383526** · PHASE3 · COMPLETED · sponsor: **Sanofi Pasteur, a Sanofi Company** · enrollment: 3707 (actual)

## Conditions studied

- Orthomyxoviridae Infection
- Influenza
- Myxovirus Infection

## Interventions

- **BIOLOGICAL:** Inactivated, split-virion influenza vaccine
- **BIOLOGICAL:** Inactivated, split-virion influenza vaccine

## Key facts

- **NCT ID:** NCT00383526
- **Lead sponsor:** Sanofi Pasteur, a Sanofi Company
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2006-09
- **Primary completion:** 2009-06
- **Final completion:** 2009-09
- **Target enrollment:** 3707 (ACTUAL)
- **Last updated:** 2014-01-14


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00383526

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00383526, "Study of Inactivated, Split-Virion Influenza Vaccine Compared With the Reference Vaccine Vaxigrip® in the Elderly". Retrieved via AI Analytics 2026-09-03 from https://api.ai-analytics.org/clinical/NCT00383526. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*