# Hepatitis B Vaccine in Seniors

> **NCT04162223** · EARLY_PHASE1 · COMPLETED · sponsor: **University of Maryland, Baltimore** · enrollment: 52 (actual)

## Conditions studied

- Hepatitis B Vaccination

## Interventions

- **BIOLOGICAL:** Subcutaneous fat injection of Recombivax-HB
- **BIOLOGICAL:** Intramuscular injection of Recombivax-HB

## Key facts

- **NCT ID:** NCT04162223
- **Lead sponsor:** University of Maryland, Baltimore
- **Sponsor class:** OTHER
- **Phase:** EARLY_PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2000-03-29
- **Primary completion:** 2003-05-20
- **Final completion:** 2003-05-20
- **Target enrollment:** 52 (ACTUAL)
- **Last updated:** 2019-11-14


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04162223

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04162223, "Hepatitis B Vaccine in Seniors". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT04162223. Licensed CC0.

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