# Effects of Aging on Primary and Secondary Vaccine Responses

> **NCT03312699** · PHASE1 · COMPLETED · sponsor: **Stanford University** · enrollment: 54 (actual)

## Conditions studied

- Influenza
- Hepatitis A
- Typhoid
- Healthy Adults

## Interventions

- **BIOLOGICAL:** Fluzone® quadrivalent
- **BIOLOGICAL:** Fluzone High Dose
- **BIOLOGICAL:** Fluad
- **BIOLOGICAL:** Vaqta
- **BIOLOGICAL:** Typhim Vi
- **BIOLOGICAL:** Vivotif

## Key facts

- **NCT ID:** NCT03312699
- **Lead sponsor:** Stanford University
- **Sponsor class:** OTHER
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2017-09-19
- **Primary completion:** 2023-12-31
- **Final completion:** 2023-12-31
- **Target enrollment:** 54 (ACTUAL)
- **Last updated:** 2024-12-16

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03312699

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03312699, "Effects of Aging on Primary and Secondary Vaccine Responses". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT03312699. Licensed CC0.

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