# Comparative Immunogenicity Study of Two Hepatitis A Vaccines

> **NCT03231605** · PHASE4 · UNKNOWN · sponsor: **China National Biotec Group Company Limited** · enrollment: 300 (estimated)

## Conditions studied

- Hepatitis A

## Interventions

- **BIOLOGICAL:** Hepatitis A Vaccine

## Key facts

- **NCT ID:** NCT03231605
- **Lead sponsor:** China National Biotec Group Company Limited
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2017-07-26
- **Primary completion:** 2017-08-31
- **Final completion:** 2017-12-29
- **Target enrollment:** 300 (ESTIMATED)
- **Last updated:** 2017-08-01

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03231605

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03231605, "Comparative Immunogenicity Study of Two Hepatitis A Vaccines". Retrieved via AI Analytics 2026-05-24 from https://api.ai-analytics.org/clinical/NCT03231605. Licensed CC0.

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