# The Effects of Attenuated Versus Inactivated Flu Vaccine in Twin Sets

> **NCT03898986** · PHASE1 · COMPLETED · sponsor: **Stanford University** · enrollment: 18 (actual)

## Conditions studied

- Influenza

## Interventions

- **BIOLOGICAL:** Live attenuated influenza vaccine (LAIV4)
- **BIOLOGICAL:** Inactivated Influenza Vaccine (IIV4)

## Key facts

- **NCT ID:** NCT03898986
- **Lead sponsor:** Stanford University
- **Sponsor class:** OTHER
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2019-10-08
- **Primary completion:** 2023-12-31
- **Final completion:** 2023-12-31
- **Target enrollment:** 18 (ACTUAL)
- **Last updated:** 2025-03-06

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03898986

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03898986, "The Effects of Attenuated Versus Inactivated Flu Vaccine in Twin Sets". Retrieved via AI Analytics 2026-06-05 from https://api.ai-analytics.org/clinical/NCT03898986. Licensed CC0.

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