# Gene Signatures of Influenza Vaccine Responses in Older Adults

> **NCT03603509** · PHASE4 · COMPLETED · sponsor: **Mayo Clinic** · enrollment: 241 (actual)

## Conditions studied

- Influenza

## Interventions

- **DRUG:** Fluad Vaccine
- **DRUG:** Fluzone High-Dose

## Key facts

- **NCT ID:** NCT03603509
- **Lead sponsor:** Mayo Clinic
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2018-08-27
- **Primary completion:** 2019-01-02
- **Final completion:** 2019-01-02
- **Target enrollment:** 241 (ACTUAL)
- **Last updated:** 2023-05-16

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03603509

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03603509, "Gene Signatures of Influenza Vaccine Responses in Older Adults". Retrieved via AI Analytics 2026-05-23 from https://api.ai-analytics.org/clinical/NCT03603509. Licensed CC0.

---

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