# A Pragmatic Assessment of Influenza Vaccine Effectiveness in the DoD

> **NCT03734237** · PHASE4 · ACTIVE_NOT_RECRUITING · sponsor: **Henry M. Jackson Foundation for the Advancement of Military Medicine** · enrollment: 15448 (actual)

## Conditions studied

- Influenza
- Influenza-like Illness
- Influenza Vaccines

## Interventions

- **BIOLOGICAL:** Egg based influenza vaccines
- **BIOLOGICAL:** Recombinant influenza vaccines
- **BIOLOGICAL:** Cell-culture based influenza vaccines

## Key facts

- **NCT ID:** NCT03734237
- **Lead sponsor:** Henry M. Jackson Foundation for the Advancement of Military Medicine
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2018-11-06
- **Primary completion:** 2022-07-07
- **Final completion:** 2026-06-30
- **Target enrollment:** 15448 (ACTUAL)
- **Last updated:** 2026-04-02

## Collaborators

- [object Object]
- [object Object]
- [object Object]
- [object Object]
- [object Object]
- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03734237

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03734237, "A Pragmatic Assessment of Influenza Vaccine Effectiveness in the DoD". Retrieved via AI Analytics 2026-07-01 from https://api.ai-analytics.org/clinical/NCT03734237. Licensed CC0.

---

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