# Post-marketing Study to Evaluate the Efficacy of Influenza Vaccine

> **NCT00197223** · PHASE3 · COMPLETED · sponsor: **GlaxoSmithKline** · enrollment: 6213 (actual)

## Conditions studied

- Influenza

## Interventions

- **BIOLOGICAL:** Influenza vaccine

## Key facts

- **NCT ID:** NCT00197223
- **Lead sponsor:** GlaxoSmithKline
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2005-09
- **Primary completion:** 2005-10
- **Final completion:** 2006-05
- **Target enrollment:** 6213 (ACTUAL)
- **Last updated:** 2017-03-23


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00197223

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00197223, "Post-marketing Study to Evaluate the Efficacy of Influenza Vaccine". Retrieved via AI Analytics 2026-07-12 from https://api.ai-analytics.org/clinical/NCT00197223. Licensed CC0.

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