# A Clinical Trial of A Quadrivalent Influenza Vaccine

> **NCT03744104** · PHASE3 · COMPLETED · sponsor: **Shanghai Institute Of Biological Products** · enrollment: 2688 (actual)

## Conditions studied

- Influenza

## Interventions

- **BIOLOGICAL:** Quadrivalent influenza vaccine
- **BIOLOGICAL:** Trivalent influenza vaccine A
- **BIOLOGICAL:** Trivalent influenza vaccine B

## Key facts

- **NCT ID:** NCT03744104
- **Lead sponsor:** Shanghai Institute Of Biological Products
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2018-10-11
- **Primary completion:** 2019-10-08
- **Final completion:** 2019-10-08
- **Target enrollment:** 2688 (ACTUAL)
- **Last updated:** 2024-01-02


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03744104

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03744104, "A Clinical Trial of A Quadrivalent Influenza Vaccine". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT03744104. Licensed CC0.

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