# Immunogenicity of the Hepatitis B Vaccine

> **NCT04540653** · PHASE4 · UNKNOWN · sponsor: **Universidade Federal de Goias** · enrollment: 240 (actual)

## Conditions studied

- Vaccine Response Impaired
- Hepatitis B
- Aging

## Interventions

- **BIOLOGICAL:** Standard vaccination schedule
- **BIOLOGICAL:** Reinforced vaccination schedule

## Key facts

- **NCT ID:** NCT04540653
- **Lead sponsor:** Universidade Federal de Goias
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2017-07-29
- **Primary completion:** 2020-07-03
- **Final completion:** 2022-03-31
- **Target enrollment:** 240 (ACTUAL)
- **Last updated:** 2020-09-09


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04540653

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04540653, "Immunogenicity of the Hepatitis B Vaccine". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT04540653. Licensed CC0.

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