# Dose Study of ACAM2000 Smallpox Vaccine in Previously Vaccinated Adults

> **NCT00053482** · PHASE2 · COMPLETED · sponsor: **Emergent BioSolutions** · enrollment: 357 (actual)

## Conditions studied

- Smallpox

## Interventions

- **BIOLOGICAL:** ACAM2000 Smallpox Vaccine
- **BIOLOGICAL:** Vaccinia virus (calf lymph) smallpox vaccine: Dryvax®

## Key facts

- **NCT ID:** NCT00053482
- **Lead sponsor:** Emergent BioSolutions
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2003-01
- **Primary completion:** 2003-04
- **Final completion:** 2003-10
- **Target enrollment:** 357 (ACTUAL)
- **Last updated:** 2024-03-18


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00053482

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00053482, "Dose Study of ACAM2000 Smallpox Vaccine in Previously Vaccinated Adults". Retrieved via AI Analytics 2026-05-29 from https://api.ai-analytics.org/clinical/NCT00053482. Licensed CC0.

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