# Evaluation of Immunoprotection Provided by Hepatitis B Vaccine After Birth in Healthy Children

> **NCT04439435** · — · UNKNOWN · sponsor: **Children's Hospital of Chongqing Medical University** · enrollment: 100 (estimated)

## Conditions studied

- Vaccine Reaction

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04439435
- **Lead sponsor:** Children's Hospital of Chongqing Medical University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2020-07
- **Primary completion:** 2020-12
- **Final completion:** 2021-10
- **Target enrollment:** 100 (ESTIMATED)
- **Last updated:** 2020-06-19


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04439435

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04439435, "Evaluation of Immunoprotection Provided by Hepatitis B Vaccine After Birth in Healthy Children". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT04439435. Licensed CC0.

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