# Systems Analyses of the Immune Response to the Seasonal Influenza Vaccine

> **NCT04025580** · PHASE2 · COMPLETED · sponsor: **National Institute of Allergy and Infectious Diseases (NIAID)** · enrollment: 98 (actual)

## Conditions studied

- Healthy Volunteer

## Interventions

- **BIOLOGICAL:** Flucelvax
- **BIOLOGICAL:** Fluvirin
- **BIOLOGICAL:** Fluzone High Dose

## Key facts

- **NCT ID:** NCT04025580
- **Lead sponsor:** National Institute of Allergy and Infectious Diseases (NIAID)
- **Sponsor class:** NIH
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2019-10-02
- **Primary completion:** 2023-01-31
- **Final completion:** 2023-01-31
- **Target enrollment:** 98 (ACTUAL)
- **Last updated:** 2024-01-02


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04025580

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04025580, "Systems Analyses of the Immune Response to the Seasonal Influenza Vaccine". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT04025580. Licensed CC0.

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