# Understanding Poor Vaccine Responses to Hepatitis B Vaccination

> **NCT04674462** · PHASE4 · ACTIVE_NOT_RECRUITING · sponsor: **NYU Langone Health** · enrollment: 101 (actual)

## Conditions studied

- Vaccine Reaction

## Interventions

- **BIOLOGICAL:** CpG-adjuvanted HBV Vaccine
- **BIOLOGICAL:** Traditional HBV Vaccine

## Key facts

- **NCT ID:** NCT04674462
- **Lead sponsor:** NYU Langone Health
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2022-07-07
- **Primary completion:** 2026-07
- **Final completion:** 2026-07
- **Target enrollment:** 101 (ACTUAL)
- **Last updated:** 2025-12-15

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04674462

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04674462, "Understanding Poor Vaccine Responses to Hepatitis B Vaccination". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT04674462. Licensed CC0.

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