# An Hepatitis B Vaccine Model for HIV Vaccine Trials in Drug Users

> **NCT00841477** · PHASE3 · COMPLETED · sponsor: **National Institute on Drug Abuse (NIDA)** · enrollment: 1260 (actual)

## Conditions studied

- Hepatitis B Infection
- Hepatitis C Infection
- HIV Infection

## Interventions

- **BIOLOGICAL:** hepatitis B vaccine 3 dose schedule (0,1,2 month)
- **BEHAVIORAL:** HBV Vaccination Self-Efficacy Intervention

## Key facts

- **NCT ID:** NCT00841477
- **Lead sponsor:** National Institute on Drug Abuse (NIDA)
- **Sponsor class:** NIH
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2004-01
- **Primary completion:** 2007-06
- **Final completion:** 2009-12
- **Target enrollment:** 1260 (ACTUAL)
- **Last updated:** 2017-01-11


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00841477

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00841477, "An Hepatitis B Vaccine Model for HIV Vaccine Trials in Drug Users". Retrieved via AI Analytics 2026-07-20 from https://api.ai-analytics.org/clinical/NCT00841477. Licensed CC0.

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