# Phase IV Clinical Trial of an Inactivated Influenza Split Vaccine

> **NCT01511744** · PHASE4 · COMPLETED · sponsor: **Hualan Biological Engineering, Inc.** · enrollment: 6000 (actual)

## Conditions studied

- Human Influenza

## Interventions

- **BIOLOGICAL:** Inactivated influenza split vaccine

## Key facts

- **NCT ID:** NCT01511744
- **Lead sponsor:** Hualan Biological Engineering, Inc.
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2011-11
- **Primary completion:** 2011-11
- **Final completion:** 2012-03
- **Target enrollment:** 6000 (ACTUAL)
- **Last updated:** 2012-08-14


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01511744

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01511744, "Phase IV Clinical Trial of an Inactivated Influenza Split Vaccine". Retrieved via AI Analytics 2026-06-08 from https://api.ai-analytics.org/clinical/NCT01511744. Licensed CC0.

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