# Immunogenicity Trial of Egg- Versus Non-Egg-Based Influenza Vaccines Among HCP

> **NCT03722589** · PHASE4 · COMPLETED · sponsor: **Centers for Disease Control and Prevention** · enrollment: 944 (actual)

## Conditions studied

- Influenza

## Interventions

- **BIOLOGICAL:** Flublok
- **BIOLOGICAL:** Flucelvax
- **BIOLOGICAL:** Fluarix
- **BIOLOGICAL:** Fluzone
- **BIOLOGICAL:** Fluzone High-Dose

## Key facts

- **NCT ID:** NCT03722589
- **Lead sponsor:** Centers for Disease Control and Prevention
- **Sponsor class:** FED
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2018-09-12
- **Primary completion:** 2020-07-31
- **Final completion:** 2020-07-31
- **Target enrollment:** 944 (ACTUAL)
- **Last updated:** 2024-07-22

## Collaborators

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- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03722589

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03722589, "Immunogenicity Trial of Egg- Versus Non-Egg-Based Influenza Vaccines Among HCP". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT03722589. Licensed CC0.

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