# Challenge Dose of Hepatitis B Vaccine in Subjects Who Previously Received Engerix™-B Vaccine

> **NCT00524576** · PHASE4 · COMPLETED · sponsor: **GlaxoSmithKline** · enrollment: 144 (actual)

## Conditions studied

- Hepatitis B

## Interventions

- **BIOLOGICAL:** Engerix™-B

## Key facts

- **NCT ID:** NCT00524576
- **Lead sponsor:** GlaxoSmithKline
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2007-11-28
- **Primary completion:** 2008-05-14
- **Final completion:** 2008-05-14
- **Target enrollment:** 144 (ACTUAL)
- **Last updated:** 2018-09-07


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00524576

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00524576, "Challenge Dose of Hepatitis B Vaccine in Subjects Who Previously Received Engerix™-B Vaccine". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT00524576. Licensed CC0.

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